Cisco MWR 1941-DC - 1941 Mobile Wireless Router, MWR-1941-DC-2T1 - MWR 1941 Mobile Wireless Edge Router, MWR 1941-DC Hardware Installation Manual

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Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 USA http://www.cisco.com Tel: 408 526-4000

800 553-NETS (6387)

Fax: 408 526-4100

Cisco MWR 1941-DC Mobile Wireless Edge Router Hardware Installation Guide

Customer Order Number: DOC-7815827= Text Part Number: 78-15827-06B0

THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE. ALL STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF ANY PRODUCTS.

THE SOFTWARE LICENSE AND LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT ARE SET FORTH IN THE INFORMATION PACKET THAT SHIPPED WITH THE PRODUCT AND ARE INCORPORATED HEREIN BY THIS REFERENCE. IF YOU ARE UNABLE TO LOCATE THE SOFTWARE LICENSE OR LIMITED WARRANTY, CONTACT YOUR CISCO REPRESENTATIVE FOR A COPY.

The following information is for FCC compliance of Class A devices: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio-frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference, in which case users will be required to correct the interference at their own expense.

The following information is for FCC compliance of Class B devices: The equipment described in this manual generates and may radiate radio-frequency energy. If it is not installed in accordance with Cisco’s installation instructions, it may cause interference with radio and television reception. This equipment has been tested and found to comply with the limits for a Class B digital device in accordance with the specifications in part 15 of the FCC rules. These specifications are designed to provide reasonable protection against such interference in a residential installation. However, there is no guarantee that interference will not occur in a particular installation.

Modifying the equipment without Cisco’s written authorization may result in the equipment no longer complying with FCC requirements for Class A or Class B digital devices. In that event, your right to use the equipment may be limited by FCC regulations, and you may be required to correct any interference to radio or television communications at your own expense.

You can determine whether your equipment is causing interference by turning it off. If the interference stops, it was probably caused by the Cisco equipment or one of its peripheral devices. If the equipment causes interference to radio or television reception, try to correct the interference by using one or more of the following measures:

• Turn the television or radio antenna until the interference stops.

• Move the equipment to one side or the other of the television or radio.

• Move the equipment farther away from the television or radio.

• Plug the equipment into an outlet that is on a different circuit from the television or radio. (That is, make certain the equipment and the television or radio are on circuits controlled by different circuit breakers or fuses.)

Modifications to this product not authorized by Cisco Systems, Inc. could void the FCC approval and negate your authority to operate the product.

The Cisco implementation of TCP header compression is an adaptation of a program developed by the University of California, Berkeley (UCB) as part of UCB’s public domain version of the UNIX operating system. All rights reserved. Copyright © 1981, Regents of the University of California.

NOTWITHSTANDING ANY OTHER WARRANTY HEREIN, ALL DOCUMENT FILES AND SOFTWARE OF THESE SUPPLIERS ARE PROVIDED “AS IS” WITH ALL FAULTS. CISCO AND THE ABOVE-NAMED SUPPLIERS DISCLAIM ALL WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, THOSE OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OR ARISING FROM A COURSE OF DEALING, USAGE, OR TRADE PRACTICE.

IN NO EVENT SHALL CISCO OR ITS SUPPLIERS BE LIABLE FOR ANY INDIRECT, SPECIAL, CONSEQUENTIAL, OR INCIDENTAL DAMAGES, INCLUDING, WITHOUT LIMITATION, LOST PROFITS OR LOSS OR DAMAGE TO DATA ARISING OUT OF THE USE OR INABILITY TO USE THIS MANUAL, EVEN IF CISCO OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

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All other trademarks mentioned in this document or Website are the property of their respective owners. The use of the word partner does not imply a partnership relationship between Cisco and any other company. (0501R)

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CONTENTS

About This Guide vii

Objectives vii

Audience vii

Organization viii

Conventions viii

Related Documentation

For information beyond the scope of this document, or for additional information about the Cisco MWR 1941-DC router, use the following resources:

• Cisco MWR 1941-DC Regulatory Compliance and Safety Information

• Cisco MWR 1941-DC Software Configuration Guide

• Cisco MWR 1941-DC Rack Mounting Instructions

• MGX-RPM-1FE-CP Back Card Installation and Configuration Note

• VWIC-2MFT-T1-DIR, VWIC-2MFT-E1-DIR Installation Instructions

• Quick Start Guide: Network Modules for Cisco 2600 Series, Cisco 3600 Series, Cisco 3700 Series,

and Cisco MWR 1941-DC Mobile Wireless Edge Routers

Avvertenza Questo simbolo di avvertenza indica un pericolo. La situazione potrebbe causare infortuni alle

persone. Prima di lavorare su qualsiasi apparecchiatura, occorre conoscere i pericoli relativi ai circuiti elettrici ed essere al corrente delle pratiche standard per la prevenzione di incidenti. La traduzione delle avvertenze riportate in questa pubblicazione si trova nel documento Regulatory Compliance and Safety Information (Conformità alle norme e informazioni sulla sicurezza) che accompagna questo dispositivo.

Advarsel Dette varselsymbolet betyr fare. Du befinner deg i en situasjon som kan føre til personskade. Før du

utfører arbeid på utstyr, må du vare oppmerksom på de faremomentene som elektriske kretser innebærer, samt gjøre deg kjent med vanlig praksis når det gjelder å unngå ulykker. Hvis du vil se oversettelser av deadvarslene som finnes i denne publikasjonen, kan du se i dokumentet Regulatory Compliance and Safety Information (Overholdelse av forskrifter og sikkerhetsinformasjon) som ble levert med denne enheten.

Aviso Este símbolo de aviso indica perigo. Encontra-se numa situação que lhe poderá causar danos

físicos. Antes de começar a trabalhar com qualquer equipamento, familiarize-se com os perigos relacionados com circuitos eléctricos, e com quaisquer práticas comuns que possam prevenir possíveis acidentes. Para ver as traduções dos avisos que constam desta publicação, consulte o documento Regulatory Compliance and Safety Information (Informação de Segurança e Disposições Reguladoras) que acompanha este dispositivo.

¡Advertencia! Este símbolo de aviso significa peligro. Existe riesgo para su integridad física. Antes de manipular

cualquier equipo, considerar los riesgos que entraña la corriente eléctrica y familiarizarse con los procedimientos estándar de prevención de accidentes. Para ver una traducción de las advertencias que aparecen en esta publicación, consultar el documento titulado Regulatory Compliance and Safety Information (Información sobre seguridad y conformidad con las disposiciones reglamentarias) que se acompaña con este dispositivo.

Varning Denna varningssymbol signalerar fara. Du befinner dig i en situation som kan leda till personskada.

Innan du utför arbete på någon utrustning måste du varamedveten om farorna med elkretsar och känna till vanligt förfarande för att förebygga skador. Se förklaringar av de varningar som förkommer i denna publikation i dokumentet Regulatory Compliance and Safety Information (Efterrättelse av föreskrifter och säkerhetsinformation), vilket medföljer denna anordning.

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About This Guide

Obtaining Documentation

• Cisco Network Modules Hardware Installation Guide

• Interface Cards for Cisco 1600 Series, Cisco 1700 Series, Cisco 2600 Series, Cisco 3600 Series, and

Cisco 3700 Series Routers

• Cisco Interface Cards Installation Guide

Obtaining Documentation

Cisco documentation and additional literature are available on Cisco.com. Cisco also provides several ways to obtain technical assistance and other technical resources. These sections explain how to obtain technical information from Cisco Systems.

Cisco.com

You can access the most current Cisco documentation at this URL:

http://www.cisco.com/univercd/home/home.htm

You can access the Cisco website at this URL:

http://www.cisco.com

You can access international Cisco websites at this URL:

http://www.cisco.com/public/countries_languages.shtml

Documentation DVD

Cisco documentation and additional literature are available in a Documentation DVD package, which may have shipped with your product. The Documentation DVD is updated regularly and may be more current than printed documentation. The Documentation DVD package is available as a single unit.

Registered Cisco.com users (Cisco direct customers) can order a Cisco Documentation DVD (product number DOC-DOCDVD=) from the Ordering tool or Cisco Marketplace.

Cisco Ordering tool:

http://www.cisco.com/en/US/partner/ordering/

Cisco Marketplace:

http://www.cisco.com/go/marketplace/

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About This Guide

Documentation Feedback

Ordering Documentation

You can find instructions for ordering documentation at this URL:

http://www.cisco.com/univercd/cc/td/doc/es_inpck/pdi.htm

You can order Cisco documentation in these ways:

• Registered Cisco.com users (Cisco direct customers) can order Cisco product documentation from

the Ordering tool:

http://www.cisco.com/en/US/partner/ordering/

• Nonregistered Cisco.com users can order documentation through a local account representative by

calling Cisco Systems Corporate Headquarters (California, USA) at 408 526-7208 or, elsewhere in North America, by calling 1 800 553-NETS (6387).

Documentation Feedback

You can send comments about technical documentation to bug-doc@cisco.com.

You can submit comments by using the response card (if present) behind the front cover of your document or by writing to the following address:

Cisco Systems Attn: Customer Document Ordering 170 West Tasman Drive San Jose, CA 95134-9883

We appreciate your comments.

Cisco Product Security Overview

Cisco provides a free online Security Vulnerability Policy portal at this URL:

http://www.cisco.com/en/US/products/products_security_vulnerability_policy.html

From this site, you can perform these tasks:

• Report security vulnerabilities in Cisco products.

• Obtain assistance with security incidents that involve Cisco products.

• Register to receive security information from Cisco.

A current list of security advisories and notices for Cisco products is available at this URL:

http://www.cisco.com/go/psirt

If you prefer to see advisories and notices as they are updated in real time, you can access a Product Security Incident Response Team Really Simple Syndication (PSIRT RSS) feed from this URL:

http://www.cisco.com/en/US/products/products_psirt_rss_feed.html

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About This Guide

Obtaining Technical Assistance

Reporting Security Problems in Cisco Products

Cisco is committed to delivering secure products. We test our products internally before we release them, and we strive to correct all vulnerabilities quickly. If you think that you might have identified a vulnerability in a Cisco product, contact PSIRT:

• Emergencies— security-alert@cisco.com

• Nonemergencies— psirt@cisco.com

Tip We encourage you to use Pretty Good Privacy (PGP) or a compatible product to encrypt any sensitive

information that you send to Cisco. PSIRT can work from encrypted information that is compatible with PGP versions 2.x through 8.x.

Never use a revoked or an expired encryption key. The correct public key to use in your correspondence with PSIRT is the one that has the most recent creation date in this public key server list:

http://pgp.mit.edu:11371/pks/lookup?search=psirt%40cisco.com&op=index&exact=on

In an emergency, you can also reach PSIRT by telephone:

• 1 877 228-7302

• 1 408 525-6532

Obtaining Technical Assistance

For all customers, partners, resellers, and distributors who hold valid Cisco service contracts, Cisco Technical Support provides 24-hour-a-day, award-winning technical assistance. The Cisco Technical Support Website on Cisco.com features extensive online support resources. In addition, Cisco Technical Assistance Center (TAC) engineers provide telephone support. If you do not hold a valid Cisco service contract, contact your reseller.

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About This Guide

Obtaining Technical Assistance

Cisco Technical Support Website

The Cisco Technical Support Website provides online documents and tools for troubleshooting and resolving technical issues with Cisco products and technologies. The website is available 24 hours a day, 365 days a year, at this URL:

http://www.cisco.com/techsupport

Access to all tools on the Cisco Technical Support Website requires a Cisco.com user ID and password. If you have a valid service contract but do not have a user ID or password, you can register at this URL:

http://tools.cisco.com/RPF/register/register.do

Note Use the Cisco Product Identification (CPI) tool to locate your product serial number before submitting

a web or phone request for service. You can access the CPI tool from the Cisco Technical Support Website by clicking the Too l s & Re s ou r c es link under Documentation & Tools. Choose Cisco Product

Identification Tool from the Alphabetical Index drop-down list, or click the Cisco Product Identification Tool link under Alerts & RMAs. The CPI tool offers three search options: by product ID

or model name; by tree view; or for certain products, by copying and pasting show command output. Search results show an illustration of your product with the serial number label location highlighted. Locate the serial number label on your product and record the information before placing a service call.

Submitting a Service Request

Using the online TAC Service Request Tool is the fastest way to open S3 and S4 service requests. (S3 and S4 service requests are those in which your network is minimally impaired or for which you require product information.) After you describe your situation, the TAC Service Request Tool provides recommended solutions. If your issue is not resolved using the recommended resources, your service request is assigned to a Cisco TAC engineer. The TAC Service Request Tool is located at this URL:

http://www.cisco.com/techsupport/servicerequest

For S1 or S2 service requests or if you do not have Internet access, contact the Cisco TAC by telephone. (S1 or S2 service requests are those in which your production network is down or severely degraded.) Cisco TAC engineers are assigned immediately to S1 and S2 service requests to help keep your business operations running smoothly.

To open a service request by telephone, use one of the following numbers:

Asia-Pacific: +61 2 8446 7411 (Australia: 1 800 805 227) EMEA: +32 2 704 55 55 USA: 1 800 553-2447

For a complete list of Cisco TAC contacts, go to this URL:

http://www.cisco.com/techsupport/contacts

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About This Guide

Obtaining Additional Publications and Information

Definitions of Service Request Severity

To ensure that all service requests are reported in a standard format, Cisco has established severity definitions.

Severity 1 (S1)—Your network is “down,” or there is a critical impact to your business operations. You and Cisco will commit all necessary resources around the clock to resolve the situation.

Severity 2 (S2)—Operation of an existing network is severely degraded, or significant aspects of your business operation are negatively affected by inadequate performance of Cisco products. You and Cisco will commit full-time resources during normal business hours to resolve the situation.

Severity 3 (S3)—Operational performance of your network is impaired, but most business operations remain functional. You and Cisco will commit resources during normal business hours to restore service to satisfactory levels.

Severity 4 (S4)—You require information or assistance with Cisco product capabilities, installation, or configuration. There is little or no effect on your business operations.

Obtaining Additional Publications and Information

Information about Cisco products, technologies, and network solutions is available from various online and printed sources.

• Cisco Marketplace provides a variety of Cisco books, reference guides, and logo merchandise. Visit

Cisco Marketplace, the company store, at this URL:

http://www.cisco.com/go/marketplace/

• Cisco Press publishes a wide range of general networking, training and certification titles. Both new

and experienced users will benefit from these publications. For current Cisco Press titles and other information, go to Cisco Press at this URL:

http://www.ciscopress.com

• Pack et magazine is the Cisco Systems technical user magazine for maximizing Internet and

networking investments. Each quarter, Packet delivers coverage of the latest industry trends, technology breakthroughs, and Cisco products and solutions, as well as network deployment and troubleshooting tips, configuration examples, customer case studies, certification and training information, and links to scores of in-depth online resources. You can access Packet magazine at this URL:

http://www.cisco.com/packet

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Obtaining Additional Publications and Information

• iQ Magazine is the quarterly publication from Cisco Systems designed to help growing companies

learn how they can use technology to increase revenue, streamline their business, and expand services. The publication identifies the challenges facing these companies and the technologies to help solve them, using real-world case studies and business strategies to help readers make sound technology investment decisions. You can access iQ Magazine at this URL:

http://www.cisco.com/go/iqmagazine

• Internet Protocol Journal is a quarterly journal published by Cisco Systems for engineering

professionals involved in designing, developing, and operating public and private internets and intranets. You can access the Internet Protocol Journal at this URL:

http://www.cisco.com/ipj

• World-class networking training is available from Cisco. You can view current offerings at

this URL:

http://www.cisco.com/en/US/learning/index.html

CHA P TER

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Overview of the Cisco MWR 1941-DC Router

The MWR 1941-DC Mobile Wireless Edge Router is a networking platform optimized for use in mobile wireless networks; specifically designed to be used at the cell site edge as a part of an IP Radio Access Network (IP-RAN) or Cell Site Data Communications Network (DCN).

The MWR 1941-DC router offers high performance at a low cost while meeting the critical requirements for deployment in cell sites, including small size, high availability, and DC input power flexibility.

This chapter includes the following sections:

• Primary Uses of the MWR 1941-DC Router, page 1-1

• Hardware Features, page 1-4

• Fixed Interfaces, page 1-5

• Voice/WAN Interface Cards, page 1-5

• Cisco Network Modules, page 1-7

• Compact Flash, page 1-7

• Overview of MWR 1941-DC Power Supply, page 1-8

• Environmental Monitoring Temperature Sensor, page 1-9

• System Specifications, page 1-9

• Cisco MWR 1941-DC Router Interface Numbering, page 1-9

• Regulatory Compliance, page 1-11

Primary Uses of the MWR 1941-DC Router

The MWR 1941-DC router is designed to be used at a cell site as part of an IP-RAN or Cell Site DCN solution.

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Chapter 1 Overview of the Cisco MWR 1941-DC Router

Primary Uses of the MWR 1941-DC Router

IP-RAN Solution Implementation

In an IP RAN solution, the MWR 1941-DC extends IP connectivity to the cell site and Base Transceiver Station (BTS). Through a FastEthernet interface to the BTS, provides bandwidth-efficient IP transport of voice and data bearer traffic, as well as maintenance, control, and signalling traffic, over the leased line backhaul network between the BTS and leased line termination and aggregation node via compression (cRTP/cUDP) and packet multiplexing (PPPmux and MLPPP).

Figure 1-1 shows the placement of and connections for the MWR 1941-DC in an IP-RAN solution.

Figure 1-1 MWR 1941-DC in an IP-RAN Solution

In the IP-RAN solution, the BTS site consists of a pair of MWR 1941-DC routers. The pair of MWR 1941-DC routers provides for an active and standby router for redundancy. A failure of the active MWR 1941-DC causes the standby router to take over as the active router for the BTS site.

Each pair of MWR 1941-DC routers at the BTS site is identical in hardware configuration. They connect to each other through the BTS via the Fast Ethernet interfaces. The individual backhaul links to an MWR 1941-DC router are cabled from a single T1/E1 termination block in the BTS, connecting to both the active and standby routers utilizing a “Y” cable. The redundancy design to control the active/standby transitions of the router pair leverages HSRP to control the relays on the VWIC-2MFT-T1-DIR (or VWIC-2MFT-E1-DIR) in each router to ensure that the relays on the active router are closed and the relays on the standby router are open to avoid double termination of the T1 (or E1).

Cell Site DCN Solution Implementation

With Cisco IOS Release 12.2(15)MC1a and later, the MWR 1941-DC can be used to extend the mobile operators data communications network (DCN) to the cell site, providing the ability to remotely manage radio and ancillary cell site equipment from the operations center.

A Cell Site DCN minimizes the need to dispatch technicians for every problem that might occur by providing the ability to remotely perform the following types of tasks:

• troubleshooting

• diagnosis

• repairs

• control

• upgrades

• routine maintenance of the cell site devices

A Cell Site DCN also provides IP connectivity to the cell site, enabling IP-related applications that facilitate operation support (for example, web camera for site surveillance, IP telephone for voice connectivity, and the LAN extension to the cell site to provide access to network applications and data, and access to the Internet and/or intranet).

Active

pBTS

MWR 1900 IP BTS router pair

100BaseT

T1/E1 backhaul link to

IP RAN aggregation node

Standby

65827

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Chapter 1 Overview of the Cisco MWR 1941-DC Router

Primary Uses of the MWR 1941-DC Router

The Cisco MWR 1941-DC provides connectivity options at the cell site through support of Cisco network modules and WAN interface cards.

Figure 1-2 shows an example of the placement of and connections for the MWR 1941-DC in a Cell Site

DCN solution.

Figure 1-2 MWR 1941-DC in an Cell Site DCN Solution

In the Cell Site DCN solution, the MWR 1941-DC provides a channelized T1/E1 interface to the BTS and routes management and control traffic via one DS0 from a T1. In addition the MWR 1941-DC router supports Asynchronous and Ethernet interfaces to monitored and controlled devices at the cell site.

Network Operations

Center

BTS Node B

DCN traffic

10/100 Base-T

T1/E1

MWR 1941-DC, 7200, 1/0 DACS

BSC/RNC

Voice circuits

T1/E1

Cisco MWR

1941-DC

Drop

and

Insert

T1/E1

10/100 Base-T

RF monitoring Unit Microwave Equipment Tower Light Controller Battery System

Email access for trouble tickets OSS network access Database access for inventory and technical knowledge Cisco IP SoftPhone or FXO/FXS VoIP for tech and support services Web camera for Security Local data archival

RS-232

101070

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Chapter 1 Overview of the Cisco MWR 1941-DC Router

Hardware Features

Figure 1-3 shows the front of the router. Figure 1-4 shows the back of the router.

The configuration in this graphic is as follows:

• A VWIC is installed in two of the three WIC slots

• A 4-port asynchronous/synchronous serial network module is installed in the network module slot

(Cell Site DCN implementation).

Figure 1-3 Front Panel of the Cisco MWR 1941-DC Router

Figure 1-4 Back Panel of the Cisco MWR 1941-DC Router

The Cisco MWR 1941-DC router includes the following features:

• Two DIMM-168 SDRAM (4 banks) sockets

• SysAD bus speed and SDRAM local bus speed is 80Mhz

• External Compact Flash (CF)

98716

L B

T A

X D

/ L

X D

/ L

R X

T X

SERIAL A/S

Serial 0/3

Serial 0/2

Serial 0/1

Serial 0/0

Serial 1/3

Serial 1/2

Serial 1/1

Serial 1/0

FE1

FE0

Console

port

Auxiliary

port

Power

connector

Fan

Rack mount bracket

(both sides)

Grounding

nut/screw

65784

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Chapter 1 Overview of the Cisco MWR 1941-DC Router

Fixed Interfaces

• Two fixed LAN 10/100 Base-T Ethernet Ports

• Three WIC/VIC expansion slots (third slot supported in Cell Site implementation only)

• One network module slot (Cell Site DCN implementation only)

• Redundancy support via a two T1/E1 WIC capable of port switching ON/OFF via relays (IP-RAN

implementation only)

• Console RS-232 port

• Auxiliary Serial Port with hardware flow control

• Front (connector side) to rear airflow using four 40mm, 10 CFM exhaust fans

• + 27/-48 VDC (+/- 20 to 60 VDC supply tolerance) universal power supply

• Three green chassis LEDs for Power (PS is operational), System Ready (software is up and running),

and Activity (interrupts/packet transfers running)

Fixed Interfaces

The MWR 1941-DC router has two fixed LAN ports offering 10/100 Base-T Ethernet attachment. The ports are fully compliant with the IEEE 802.3 and 802.3U standards and integrate the media access control (MAC) functions and a dual-speed MII interface. Both ports can operate in half- or full-duplex mode and can run independently of one another. For each FE interface, there are two green LEDs, one for Link Integrity and one for Link Activity.

Voice/WAN Interface Cards

The Cisco MWR 1941-DC router supports the following Voice/WAN interface cards (VWICs):

• 2-port T1/Fractional T1 Drop and Insert Multiflex Trunk Interface Card: VWIC-2MFT-T1-DIR(=)

• 2-port E1/Fractional E1 Drop and Insert Multiflex Trunk Interface Card: VWIC-2MFT-E1-DIR(=)

• 2-port Asynchronous/Synchronous WAN Interface Card: WIC-2A/S(=)

Note The WIC-2A/S is supported by the Cell Site DCN implementation only with Cisco IOS

Release 12.2(15)MC1a and later.

IVWIC-2MFT-T1/E1-DIR

The Cisco VWIC-2MFT-T1-DIR and VWIC-2MFT-E1-DIR VWICs support data applications on the Cisco MWR 1941-DC Mobile Wireless Edge Router for T1/E1 networks. These cards are dual-port, T1/Fractional T1 or E1/Fractional E1, Drop and Insert Multiplexers with integrated T1 CSU/DSUs or E1 DSUs. The T1 version supports framed and unframed traffic, and the E1 version supports framed traffic and unframed traffic that conforms to the ITU-T G.703 standard for full 2.048 Mbps bandwidth.

The Drop and Insert multiplexer diverts (drops) streams of an aggregate Time Division Multiplexed (TDM) traffic stream, and introduces (inserts) different streams for transmission in the time slots that were previously occupied by the dropped streams. Each VWIC supports a limited channelized capability where the T1 or E1 can be flexibly split into two fractional channel groups, one on each port or two on one port. The switching operation can be maintained through router restarts and reloads of Cisco IOS software.

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Chapter 1 Overview of the Cisco MWR 1941-DC Router

Voice/WAN Interface Cards

Each card also features protection switch solid state relays on the line interfaces, which together with redundancy logic and relay control added to the base Cisco IOS feature set on the MWR 1941-DC, provides T1/E1 Protection Switching between redundant routers.

The MWR 1941-DC router provides three WAN interface slots.

Additional information is contained in separate publications.

• For information on the VWIC-2MFT-T1/E1-DIR VWICs, see the publication VWIC-2MFT-T1DIR,

VWIC-2MFT-E1DIR Installation Instructions.

• For software configuration information, see the publication Cisco MWR 1941-DC Software

Configuration Guide.

These manuals are on Cisco.com. See “Obtaining Documentation” section on page xi for more information.

WIC-2A/S

The dual-serial port WAN Interface Card (WIC-2A/S) provides higher levels of serial port density for a single WIC on the MWR 1941-DC router in a Cell Site DCN implementation. The low serial speed WIC-2A/S supports up to 128 Kbps synchronous or 115.2 Kbps asynchronous serial links. Each port on a WIC is a different physical interface and can support different protocols such as Point-to-Point Protocol (PPP) or Frame Relay and Data Terminal Equipment/Data Communications Equipment (DTE/DCE). This WIC supports mixed asynchronous and synchronous operation on a single card as well.

These dual-serial port WICs feature Cisco's new, compact, Smart Serial connectors to support a wide variety of electrical interfaces when used with the appropriate transition cable. This includes: V.35, RS-232, RS-449, RS-530, RS-530A in male and female versions for both DTE and DCE devices. This feature provides easy configuration and reconfiguration as network requirements change, without the need of purchasing a different serial interface card.

The WIC-2A/S provides two serial ports using the Smart Serial connector.

• Asynchronous support with a maximum speed of 115.2 Kbps, and a minimum of 600 bps. If you

need to run at speeds lower than 600 bps, use the AUX port instead.

• Synchronous support with a maximum speed of 128 Kbps.

Additional information is contained in separate publications.

• For instructions on installing the WIC-2A/S and detailed information about the WIC-2A/S, see the

Cisco Interface Cards Installation Guide.

• For software configuration information, see the publication Cisco MWR 1941-DC Software

Configuration Guide.

These manuals are on Cisco.com. See “Obtaining Documentation” section on page xi for more information.

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Cisco Network Modules

For implementation in a Cell Site DCN, with Cisco IOS Release 12.2(15)MC1a, the Cisco MWR 1941-DC router also supports the following Cisco network modules:

• Alarm Interface Card—NM-AIC-64(=)

• 16-port Ethernet Switch—NM-16ESW(=)

Note When using the NM-16ESW with the MWR 1941-DC router, shielded cables are required

and IP phone inline power is not supported.

• Asynchronous

–

16-port Asynchronous Serial—NM-16A(=)

–

4-port Asynchronous/Synchronous Serial: NM-4A/S(=)

–

8-port Asynchronous/Synchronous Serial: NM-8A/S(=)

• 1-port T3/E3: NM-1T3/E3(=)

Note When used with the MWR 1941-DC router, the NM-1T3/E3 supports line rate throughput

for traffic with packet sizes of 1500 bytes. For traffic with smaller packet sizes, degradation in throughput will be seen.

Additional information is contained in separate publications.

• For instructions on installing these network modules and details on each of these network modules

and their interfaces, see the Cisco Network Modules Hardware Installation Guide.

• For software configuration information, see the publication Cisco MWR 1941-DC Software

Configuration Guide.

These manuals are on Cisco.com. See “Obtaining Documentation” section on page xi for more information.

Compact Flash

One external Compact Flash (CF) device is used on the MWR 1941-DC router. The MWR 1941-DC Compact Flash memory cards is available in 32 MB and 64 MB of memory. This device is configured in memory mapped mode (PCMCIA) to allow for hot insertion. This device is required for the MWR 1941-DC router to function because the IOS image and troubleshooting logs reside on this device. For information about replacing or upgrading the CF, see the “Replacing or Upgrading the CF” section

on page 3-13.

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Overview of MWR 1941-DC Power Supply

The MWR 1941-DC router is equipped with a +27/-48 VDC universal power supply.

Table 1-1 lists DC power supply specifications of the Cisco MWR 1941-DC router.

The Cisco MWR 1941-DC router uses a small, three-wire connector for input to the power supply. The connector ships in the accessory kit and is Phoenix Contact part number 1756272.

With the connector installed in the chassis, the pins from top to bottom are 1, 2 and 3. Table 1-2 and

Table 1-3 list the pinout configurations for the connector based on power source.

Table 1-1 Cisco MWR 1941-DC Power Supply Specifications

Specification +27/-48 VDC

Input voltage, DC power supply

Maximum input current

Note If the input voltage drops

below 18.5 VCD, the router will go into shut down mode.

+27/-48 VDC (±20 to 60 VDC supply tolerance) universal power supply

3.5A

Wire gauge for DC-input power connections

18 AWG

Power Dissipation 70 W (maximum) 35 W (typical)

Table 1-2 Power Supply Connectors Pinout—+27 VDC Application

PIN +27 VDC Power Source

1+27 VDC

2Ground

3RTN

Table 1-3 Power Supply Connectors Pinout—-48 VDC Application

PIN -48 VDC Power Source

1RTN

2Ground

3-48 VDC

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Environmental Monitoring Temperature Sensor

The MWR 1941-DC router has a temperature sensor to detect over-temperature conditions inside the chassis. The over-temperature detection trips at 75°C +/- 5%. This condition is reported to the processor as an interrupt and software then takes action on this interrupt to generate the appropriate alarming. If the router reaches a temperature of 90°C, the power supply will cycle to prevent the box from exceeding that temperature in a powered up state.

System Specifications

Table 1-4 lists the Cisco MWR 1941-DC router system specifications.

Cisco MWR 1941-DC Router Interface Numbering

Each network interface on a Cisco MWR 1941-DC router is identified by a slot number and a port number.

Figure 1-5 shows an example of interface numbering on a Cisco MWR 1941-DC router with the

following configuration for a Cell Site DCN implementation:

• A VWIC in two of the three VWIC slots

• A 4-port asynchronous/synchronous serial network module in slot 1

• Two built-in Fast Ethernet interfaces

Table 1-4 Cisco MWR 1941-DC Router System Specifications

Description Specification

Dimensions (H x W x D) 1.72 x 17.5 x 12.5 in. (4.368 x 44.45 x 31.75 cm) 1RU/19.00 Rack

Mount

Weight 10.5 lb (4.77 kg)

Console and Auxiliary ports RJ-45 connector

Operating Temperature 32 to 122°F (0 to + 50°C)

1. When two or less VWIC-2MFT-T1/E1-DIRs are installed in the Cisco MWR 1941-DC router, an operating temperature range of 14 to 131°F (-10 to +55°C) is supported

Non-Operational Temperature -40 to 185°F (-40 to 85°C)

Operating Humidity 5 to 90% RH (non-condensing)

Operating Altitude +3000m @ 113°F (45°C)

Operating Vibration 0.41 Grms, 3 to 500 Hz/2 hours per axis

GR-63-CORE earthquake resistance, Zone 4, shelf-level

Non-Operational Vibration 1.12 Grms, 3 to 500 Hz/30 minutes per axis

Operating Acoustics < 60 dBa

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Cisco MWR 1941-DC Router Interface Numbering

Figure 1-5 Cisco MWR 1941-DC Router Port Numbers

Slot and Port Numbering

Note The IP-RAN implementation does not support the third VWIC or network module slot.

The Cisco MWR 1941-DC router chassis contains the following LAN and WAN interface types:

• Two built-in Fast Ethernet LAN interfaces

• Three slots in which you can install Voice/WAN interface cards (VWICs)

• One slot in which you can install a network module

The slot numbers are as follows:

• 0 for all built-in interfaces

• 0 for all built-in VWIC slots

• 1 for the network module slot

The numbering format is:

Interface type Slot number/Interface number

Interface (port) numbers begin at 0 for each interface type, and continue from right to left.

• The two built-in Ethernet 10/100 interfaces are Fast Ethernet 0/0 and Fast Ethernet 0/1.

• The slot number for all VWIC interfaces in the built-in VWIC slot is always 0. (The W0, W1, and

W2 slot designations are for physical slot identification only.) Interfaces in the VWICs are numbered from right to left, starting with 0/0 for each interface type, regardless of the physical VWIC slot in which the VWICs are installed.

98716

L B

T A

/ L

X D

/ L

X D

/ L

R X

T X

SERIAL A/S

Serial 0/3

Serial 0/2

Serial 0/1

Serial 0/0

Serial 1/3

Serial 1/2

Serial 1/1

Serial 1/0

FE1

FE0

Console

port

Auxiliary

port

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Regulatory Compliance

For example, if you have a VWIC in two of the VWIC slots (W0 and W1), then the interfaces are:

–

Serial 0/0 and Serial 0/1 in physical slot W0

–

Serial 0/2 and Serial 0/3 in physical slot W1

However, if you install a VWIC in physical slot W1 (leaving slot W0 empty), the interfaces in slot W1 are Serial 0/0 and Serial 0/1. If you then add a VWIC to slot W0, the interface numbering will shift. The configuration that you created for interfaces Serial 0/0 and Serial 0/1 will now be applied to the VWIC in slot W0 and you will need to create a new configuration for the interfaces that you previously configured on W1 (which will now be Serial 0/2 and Serial 0/3).

• The slot number of WIC/VWIC interfaces installed in slot 1 using a WAN network module is always

1 and the interfaces are always numbered from the right to left.

• The slot number for all network module interfaces is always 1 and the interfaces are always

numbered from right to left starting with 1/0.

Regulatory Compliance

For regulatory compliance and safety information, see the Regulatory Compliance and Safety Information for the Cisco MWR 1941-DC Mobile Wireless Edge Router document. This document

shipped with your router and is also available on Cisco.com. See “Obtaining Documentation” section on

page xi for more information.

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Regulatory Compliance

CHA P TER

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Preparing to Install the Router

This chapter describes site requirements and equipment needed to install your Cisco MWR 1941-DC router. It includes the following sections:

• Safety Recommendations, page 2-1

• General Site Requirements, page 2-3

• Installation Checklist, page 2-6

• Console and Auxiliary Port Considerations, page 2-6

• Inspecting the Router, page 2-5

• Required Tools and Equipment for Installation and Maintenance, page 2-4

• Console and Auxiliary Port Considerations, page 2-6

• Preparing to Connect to a Network, page 2-8

Safety Recommendations

Follow these guidelines to ensure general safety:

• Keep the chassis area clear and dust-free during and after installation.

• Keep tools away from walk areas where you or others could fall over them.

• Do not wear loose clothing that may get caught in the chassis. Fasten your tie or scarf and roll up

your sleeves.

• Wear safety glasses when working under conditions that may be hazardous to your eyes.

• Do not perform any action that creates a potential hazard to people or makes the equipment unsafe.

Warning

Only trained and qualified personnel should be allowed to install or replace this equipment.

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Safety Recommendations

Safety with Electricity

Warning

Before performing any of the following procedures, ensure that power is removed from the DC circuit.

Warning

This unit is intended for installation in restricted access areas. A restricted access area can be accessed only through the use of a special tool, lock and key, or other means of security.

Warning

Before working on equipment that is connected to power lines, remove jewelry (including rings, necklaces, and watches). Metal objects will heat up when connected to power and ground and can cause serious burns or weld the metal object to the terminals.

Warning

Before working on a chassis or working near power supplies, unplug the power cord on AC units; disconnect the power at the circuit breaker on DC units.

Follow these guidelines when working on equipment powered by electricity:

• Locate the room’s emergency power-OFF switch. Then, if an electrical accident occurs, you can

quickly shut the power OFF.

• Before working on the system, turn the DC main circuit breaker off and disconnect the power

cord/terminal block cable.

• Disconnect all power before doing the following:

–

Working on or near power supplies

–

Installing or removing a router chassis or network processor module

–

Performing most hardware upgrades

• Do not work alone if potentially hazardous conditions exist.

• Look carefully for possible hazards in your work area, such as moist floors, ungrounded power

extension cables, and missing safety grounds.

• Never assume that power is disconnected from a circuit. Always check.

• If an electrical accident occurs, proceed as follows:

–

Use caution, and do not become a victim yourself.

–

Turn OFF power to the system.

–

If possible, send another person to get medical aid. Otherwise, determine the condition of the victim and then call for help.

–

Determine if the person needs rescue breathing or external cardiac compressions; then take appropriate action.

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General Site Requirements

Preventing Electrostatic Discharge Damage

Electrostatic discharge (ESD) can damage equipment and impair electrical circuitry. It can occur if electronic printed circuit cards are improperly handled and can cause complete or intermittent failures. Always follow ESD prevention procedures when removing and replacing modules:

• Ensure that the router chassis is electrically connected to earth ground.

• Wear an ESD-preventive wrist strap, ensuring that it makes good skin contact. Connect the clip to

an unpainted surface of the chassis frame to channel unwanted ESD voltages safely to ground. To guard against ESD damage and shocks, the wrist strap and cord must operate effectively.

• If no wrist strap is available, ground yourself by touching a metal part of the chassis.

Caution For the safety of your equipment, periodically check the resistance value of the antistatic strap. It should

be between 1 and 10 megohms (Mohm).

General Site Requirements

You can mount the Cisco MWR 1941-DC router in a 19-inch rack (with a 17.5- or 17.75-inch opening).

The following information will help you plan your equipment rack configuration:

• Allow clearance around the rack for maintenance.

• Enclosed racks must have adequate ventilation. Ensure that the rack is not congested, because each

router generates heat. An enclosed rack should have louvered sides and a fan to provide cooling air. Heat generated by equipment near the bottom of the rack can be drawn upward into the intake ports of the equipment above.

• When mounting a chassis in an open rack, ensure that the rack frame does not block the intake or

exhaust ports. If the chassis is installed on slides, check the position of the chassis when it is seated into the rack.

• Baffles can help to isolate exhaust air from intake air, which also helps to draw cooling air through

the chassis. The best placement of the baffles depends on the airflow patterns in the rack, which can be found by experimenting with different configurations.

• When equipment installed in a rack (particularly in an enclosed rack) fails, try operating the

equipment by itself, if possible. Power OFF other equipment in the rack (and in adjacent racks) to allow the router under test a maximum of cooling air and clean power.

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Required Tools and Equipment for Installation and Maintenance

You need the following tools and equipment to install and upgrade the router and its components:

• ESD-preventive cord and wrist strap

• Number 2 Phillips screwdriver

• Flat-blade screwdrivers: small, 3/16-inch (0.476 cm) and medium, 1/4-inch (0.625 cm)

• Screws to fit your rack

• Cables for connection to the WAN and LAN ports (dependent on configuration)

• Ethernet hub or PC with a network interface card for connection to the Ethernet (LAN) port(s).

• Console terminal (an ASCII terminal or a PC running terminal emulation software) configured for

9600 baud, 8 data bits, no parity, and 2 stop bits.

• Modem for connection to the auxiliary port for remote administrative access (optional).

• Console cable for connection to the console port. You can supply this cable yourself or order one

from Cisco (PN ACS-1900ASYN=).

• Ratcheting torque screwdriver with a Phillips head that exerts up to 15 pound-force inches (lbf-in)

of pressure.

• Crimping tool as specified by the ground lug manufacturer.

• 10-AWG copper ground wire (insulated or noninsulated).

• #6, ring-style ground lug.

• 18-AWG copper wire for the power cord.

• Wire-stripping tool(s) for stripping both 10- and 18-AWG wire.

In addition, depending on the type of modules you plan to use, you might need the following equipment to connect a port to an external network:

• Cables for connection to the WAN and LAN ports (dependent on configuration).

Note For more information on cable specifications, refer to the Appendix B, “Cable

Specifications.”

• Ethernet hub or PC with a network interface card for connection to Ethernet (LAN) ports.

• Console terminal (an ASCII terminal or a PC running terminal emulation software) configured for

9600 baud, 8 data bits, no parity, and 2 stop bits.

• Modem for connection to the auxiliary port for remote administrative access (optional).

• Serial interfaces may require a data service unit (DSU) or channel service unit/data service unit

(CSU/DSU).

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Inspecting the Router

Do not unpack the router until you are ready to install it. If the final installation site will not be ready for some time, keep the chassis in its shipping container to prevent accidental damage. When you are ready to install the router, proceed with unpacking it.

The router, cables, publications, and any optional equipment you ordered may be shipped in more than one container. When you unpack the containers, check the packing list to ensure that you received all the following items:

• Router

• Black 3-pin terminal block connector (Phoenix part number 1756272) located in the accessory kit

that shipped with your router

• Rack-mount brackets

• This publication, the Regulatory Compliance and Safety Information document, optional companion

publications, or Documentation CD-ROM, as specified in your order

• Cisco Information Packet publication

Inspect all items for shipping damage. If anything appears to be damaged, or if you encounter problems installing or configuring your router, contact customer service. Warranty, service, and support information is in the Cisco Information Packet that shipped with your router.

Creating a Site Log

The Site Log provides a record of all actions related to the router. Keep it in an accessible place near the chassis where anyone who performs tasks has access to it. Use the Installation Checklist (a sample is included in the following section) to verify steps in the installation and maintenance of the router. Site Log entries might include the following:

• Installation progress—Make a copy of the Installation Checklist and insert it into the Site Log. Make

entries as each procedure is completed.

• Upgrade and maintenance procedures—Use the Site Log as a record of ongoing router maintenance

and expansion history. A Site Log might include the following events:

–

Installation of network modules

–

Removal or replacement of network modules and other upgrades

–

Configuration changes

–

Maintenance schedules and requirements

–

Maintenance procedures performed

–

Intermittent problems

–

Comments and notes

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Installation Checklist

The sample Installation Checklist lists items and procedures for installing a new router. Make a copy of this checklist and mark the entries when completed. Include a copy of the checklist for each router in your Site Log (described in the next section, “Console and Auxiliary Port Considerations”).

Console and Auxiliary Port Considerations

The router includes an asynchronous serial console port and an auxiliary port. The console and auxiliary ports provide access to the router either locally using a console terminal, or remotely using a modem connected to the auxiliary port. This section discusses important cabling information to consider before connecting a console terminal, which can be either an ASCII terminal or a PC running terminal emulation software, to the console port or modem to the auxiliary port.

The main difference between the console and auxiliary ports is that the auxiliary port supports hardware flow control and the console port does not. Flow control paces the transmission of data between a sending device and a receiving device. Flow control ensures that the receiving device can absorb the data sent to it before the sending device sends more. When the buffers on the receiving device are full, a

Installation Checklist for site Router name

Task Verified by Date

Installation Checklist copied

Background information placed in Site Log

Site power voltages verified

Installation site power check completed

Required tools available

Additional equipment available

Router received

This publication and the Regulatory Compliance and Safety Information document received

Optional printed documentation or CD-ROM documentation received

Cisco Information Packet publication received

Chassis components verified

Initial electrical connections established

ASCII terminal (for local configuration) or modem (for remote configuration)

Signal distance limits verified

Startup sequence steps completed

Initial operation verified

Software image verified

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Console and Auxiliary Port Considerations

message is sent to the sending device to suspend transmission until the data in the buffers has been processed. Because the auxiliary port supports flow control, it is ideally suited for use with the high-speed transmissions of a modem. Console terminals transmit at slower speeds than modems; therefore, the console port is ideally suited for use with console terminals.

Note Console and rollover cables are not included with the MWR 1941-DC router. You can order the console

cable from Cisco Systems (PN ACS-1900ASYN=). You must supply your own rollover cable.

Console Port Connections

The router includes an EIA/TIA-232 asynchronous serial console port (RJ-45). Depending on the cable and the adapter used, this port will appear as a data terminal equipment (DTE) or data communications equipment (DCE) device at the end of the cable.

To connect an ASCII terminal to the console port, use the RJ-45 rollover cable with the female RJ-45-to-DB-25 adapter (labeled TERMINAL). To connect a PC running terminal emulation software to the console port, use the RJ-45 rollover cable with the female RJ-45-to-DB-9 adapter (labeled TERMINAL). The default parameters for the console port are 9600 baud, 8 data bits, no parity, and 2 stop bits. The console port does not support hardware flow control. For detailed information about installing a console terminal, see the “Connecting the Console Terminal and Modem” section on

page 3-3.

For cable and port pinouts, see the online document Cisco Modular Access Router Cable Specifications. This document is located on the Documentation CD-ROM that accompanied your router, and on Cisco.com.

Auxiliary Port Connections

The router includes an EIA/TIA-232 asynchronous serial auxiliary port (RJ-45) that supports flow control. Depending on the cable and the adapter used, this port will appear as a DTE or DCE device at the end of the cable.

To connect a modem to the auxiliary port, use the RJ-45 rollover cable with the male RJ-45-to-DB-25 adapter (labeled MODEM). For detailed information about connecting devices to the auxiliary port, see the “Connecting the Console Terminal and Modem” section on page 3-3.

For cable and port pinouts, see the online document Cisco Modular Access Router Cable Specifications. This document is located on the Documentation CD-ROM that accompanied your router, and Cisco.com.

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Preparing to Connect to a Network

When setting up your router, consider distance limitations and potential electromagnetic interference (EMI) as defined by the applicable local and international regulations.

Network connection considerations are provided for several types of network interfaces and are described in the following sections:

• Ethernet Connections, page 2-8

• Serial Connections, page 2-9

Refer to the following online documents for more information about network connections and interfaces:

• Cisco Network Modules Hardware Installation Guide

• Cisco Interface Cards Installation Guide

• Appendix B, “Cable Specifications.”

Warning

To avoid electric shock, do not connect safety extra-low voltage (SELV) circuits to telephone-network voltage (TNV) circuits. LAN ports contain SELV circuits, and WAN ports contain TNV circuits. Some LAN and WAN ports both use RJ-45 connectors. To see translations of the warnings that appear in this publication, refer to the Regulatory Compliance and Safety Information document that accompanied this device.

Ethernet Connections

The IEEE has established Ethernet as standard IEEE 802.3. The most common Ethernet implementations are as follows:

• 100BASE-T—2-pair Category 5 or unshielded twisted-pair (UTP) straight-through RJ-45 cable.

• 10BASE-2—Ethernet on thin coaxial cable, also known as thin Ethernet. The maximum segment

distance is 607 feet (186 meters).

• 10BASE-5—Ethernet on thick coaxial cable, also known as thick Ethernet. The maximum segment

distance is 1,640 feet (500 meters).

• 10BASE-T—Ethernet on unshielded twisted-pair (UTP) cable. The maximum segment distance is

328 feet (100 meters). UTP cables look like the wiring used for ordinary telephones; however, UTP cables meet certain electrical standards that telephone cables do not meet.

Refer to theAppendix B, “Cable Specifications” for information about Ethernet cables, connectors, and pinouts.

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Preparing to Connect to a Network

Serial Connections

Serial connections are provided by WAN interface cards and network modules. For more information on WAN interface cards, refer to the Cisco Interface Cards Installation Guide. For more information on network modules, refer to the Cisco Network Modules Hardware Installation Guide. These documents are accessible online and on the Cisco Documentation CD-ROM.

Before you connect a device to a serial port, you need to know the following:

• Type of device, data terminal equipment (DTE) or data communications equipment (DCE), you are

connecting to the synchronous serial interface

• Type of connector, male or female, required to connect to the device

• Signaling standard required by the device

Configuring Serial Connections

The serial ports on the asynchronous/synchronous serial network modules and the serial WAN interface card use DB-60 connectors. Serial ports can be configured as DTE or DCE, depending on the serial cable used.

Serial DTE or DCE Devices

A device that communicates over a synchronous serial interface is either a DTE or DCE device. A DCE device provides a clock signal that paces the communications between the device and the router. A DTE device does not provide a clock signal. DTE devices usually connect to DCE devices. The documentation that accompanied the device should indicate whether it is a DTE or DCE device. (Some devices have a jumper to select either DTE or DCE mode.) Tab le 2-1 lists typical DTW and DCE devices.

Table 2-1 Typical DTE and DCE Devices

Device Type Gender Typical Devices

DTE Male

1. If pins protrude from the base of the connector, the connector is male.

Ter m i n a l

DCE Female

2. If the connector has holes to accept pins, the connector is female.

Modem

CSU/DSU

Multiplexer

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Preparing to Connect to a Network

Signaling Standards Supported

The synchronous serial ports available for the router support the following signaling standards: EIA/TIA-232, EIA/TIA-449, V.35, X.21, and EIA-530. You can order a Cisco DB-60 shielded serial transition cable that has the appropriate connector for the standard you specify. The documentation for the device you want to connect should indicate the standard used for that device. The router end of the shielded serial transition cable has a DB-60 connector, which connects to the DB-60 port on a serial WAN interface card. The other end of the serial transition cable is available with a connector appropriate for the standard you specify.

The synchronous serial port can be configured as DTE or DCE, depending on the attached cable (except EIA-530, which is DTE only). To order a shielded cable, contact customer service. See the “Obtaining

Technical Assistance” section on page xiii.

Note All serial ports configured as DTE require external clocking from a CSU/DSU or other DCE device.

Although manufacturing your own serial cables is not recommended (because of the small size of the pins on the DB-60 serial connector), cable pinouts are provided in Appendix B, “Cable Specifications.”

Distance Limitations

Serial signals can travel a limited distance at any given bit rate; generally, the slower the data rate, the greater the distance. All serial signals are subject to distance limits, beyond which a signal significantly degrades or is completely lost.

Note Only the serial WAN interface card supports bit rates above 128 Kbps.

Table 2-2 lists the recommended maximum speeds and distances for each serial interface type; however,

you might get good results at speeds and distances greater than those listed, if you understand the electrical problems that might arise and can compensate for them. For instance, the recommended maximum rate for V.35 is 2 Mbps, but 4 Mbps is commonly used.

Table 2-2 Serial Signal Transmission Speeds and Distances

EIA/TIA-232 Distance

EIA/TIA-449, X.21, V.35, EIA-530 Distance

Rate (bps) Feet Meters Feet Meters

2400 200 60 4100 1250

4800 100 30 2050 625

9600 50 15 1025 312

19200 25 7.6 513 156

38400 12 3.7 256 78

56000 8.6 2.6 102 31

1544000 (T1) — — 50 15

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Preparing to Connect to a Network

Balanced drivers allow EIA/TIA-449 signals to travel greater distances than EIA/TIA-232 signals. The recommended distance limits for EIA/TIA-449 shown in Tab le 2-2 are also valid for V.35, X.21, and EIA-530. Typically, EIA/TIA-449 and EIA-530 can support 2-Mbps rates, and V.35 can support 4-Mbps rates.

Asynchronous/Synchronous Serial Module Baud Rates

The following baud-rate limitations apply to the slow-speed serial interfaces found in the asynchronous/synchronous serial modules:

• Asynchronous interface—Maximum baud rate is 115.2 kbps.

• Synchronous interface—Maximum baud rate is 128-kbps full duplex.

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Chapter 2 Preparing to Install the Router

Preparing to Connect to a Network

CHA P TER

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Installing the Router

This chapter describes how to install your Cisco MWR 1941-DC router and connect it to networks and external devices. It contains the following sections:

• Installing Network Modules and Interface Cards, page 3-1

• Rack Mounting the Chassis, page 3-2

• Connecting the Console Terminal and Modem, page 3-3

• Connecting the Network Cables, page 3-5

• Connecting the MWR 1941-DC Router to a DC-Input Power Supply, page 3-10

• Replacing or Upgrading the CF, page 3-13

• What to Do After Installing the Hardware, page 3-20

Warning

Only trained and qualified personnel should be allowed to install, replace, or service this equipment.

Installing Network Modules and Interface Cards

Cisco routers are normally shipped with network modules, voice and WAN interface cards (VWICs), and WAN interface cards (WICs) already installed. If you need to remove or install any of these items, refer to the applicable documents online.

For network modules:

• Quick Start Guide: Network Modules for Cisco 2600 Series, Cisco 3600 Series, Cisco 3700 Series,

and Cisco MWR 1941-DC Routers

• Cisco Network Modules Hardware Installation Guide

For VWICs:

• VWIC-2MFT-T1-DIR, VWIC-2MFT-E1-DIR Installation Instructions

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Chapter 3 Installing the Router

Rack Mounting the Chassis

For WICs:

• Quick Start Guide: Interface Cards for Cisco 1600, 1700, 2600, 3600, 3700 Series, and Cisco

MWR 1941-DC Routers

• Cisco Interface Cards Hardware Installation Guide

If there are modules, interface cards, or power supplies to be removed or installed, Cisco suggests that you perform the installation or removal before you install the chassis. If a chassis cover needs to be removed, the chassis may have to be removed from the rack to permit cover removal.

Rack Mounting the Chassis

You can mount the Cisco MWR 1941-DC router in a 19-inch rack that conforms to EIA-310-D specification (the inside width of the rack should be 17.72 to 17.80 inches per the EIA-310-D specification). The MWR 1941-DC router requires this minimum width and occupies 1U (1.75 inches) of vertical space.

Warning

To prevent bodily injury when mounting or servicing this unit in a rack, you must take special precautions to ensure that the system remains stable. The following guidelines are provided to ensure your safety:

• This unit should be mounted at the bottom of the rack if it is the only unit in the rack.

• When mounting this unit in a partially filled rack, load the rack from the bottom to the top with the heaviest component at the bottom of the rack.

• If the rack is provided with stabilizing devices, install the stabilizers before mounting or servicing the unit in the rack

Attaching the Brackets

Attach the mounting brackets to the chassis as shown, using the screws provided in the bracket kit. Attach the second bracket to the opposite side of the chassis. Use a number 2 Phillips screwdriver to install the bracket screws.

Three screws are required on each side. Figure 3-1 shows how the bracket is attached.

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Chapter 3 Installing the Router

Connecting the Console Terminal and Modem

Figure 3-1 Attaching the Bracket

Installing the Router in the Rack

Install the chassis in the rack. Rack-mounting screws are not provided with the router. Use three screws for each side (supplied with the rack).

Connecting the Console Terminal and Modem

This section describes how to connect a console terminal and a modem to the router. You can connect only a terminal to the console port. Use the auxiliary port with a terminal or a modem for remote access to the router.

These ports provide administrative access to your router either locally (with a console terminal) or remotely (with a modem).

Identifying a Rollover Cable

Use a rollover cable to connect to the asynchronous serial console and auxiliary ports. You can identify a rollover cable by comparing the two modular ends of the cable. Holding the cables side-by-side, with the tab at the back, the wire connected to the pin on the outside of the left plug should be the same color as the wire connected to the pin on the outside of the right plug. (See Figure 3-2.) If your cable came from Cisco, pin 1 will be white on one connector, and pin 8 will be white on the other (a rollover cable reverses pins 1 and 8, 2 and 7, 3 and 6, and 4 and 5).

56K

AUXILIA

Rack-mount bracket

65785

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Chapter 3 Installing the Router

Connecting the Console Terminal and Modem

Figure 3-2 Identifying a Rollover Cable

Console Port

Take the following steps to connect a terminal or a PC running terminal emulation software to the console port on the router:

Step 1 Connect the terminal using an RJ-45 rollover cable and an RJ-45-to-DB-25 or RJ-45-to-DB-9 adapter

(labeled TERMINAL).

Note The RJ-45-to-DB-25 adapter (Cisco part number 29-0810-01) can be purchased from Cisco.

Step 2 Configure your terminal or terminal emulation software for 9600 baud, 8 data bits, no parity, and 2 stop

bits.

Note Because hardware flow control is not possible on the console port, Cisco does not recommend

that modems be connected to the console port. Modems should always be connected to the auxiliary port.

Pin 1

Pin 8

H3824

Pin 1 and pin 8

should be the

same color

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Chapter 3 Installing the Router

Connecting the Network Cables

Auxiliary Port

Take the following steps to connect a modem to the auxiliary port on the router:

Step 1 Connect a modem to the auxiliary port using an RJ-45 rollover cable with an RJ-45-to-DB-25 adapter.

The provided adapter is labeled MODEM. For cable pinouts, see the online publication Cisco Modular Access Router Cable Specifications available both on the Documentation CD-ROM and CCO.

Step 2 Make sure that your modem and the router auxiliary port are configured for the same transmission speed

(up to 115200 bps is supported) and hardware flow control with Data Carrier Detect (DCD) and Data Terminal Ready (DTR) operations.

Connecting the Network Cables

This section describes connecting the following support MWR 1941-DC router interfaces:

• Connecting the Fixed FE Interface Cables, page 3-5

• Connecting the VWIC Interface Cables, page 3-6

• Connecting the WIC-2A/S Interface Cables, page 3-8

• Connecting the Network Module Interface Cables, page 3-9

Connecting the Fixed FE Interface Cables

The RJ-45 port supports standard straight-through and crossover Category 5 unshielded twisted-pair (UTP) cables (refer to Figure 3-15). Cisco Systems does not supply Category 5 UTP cables; these cables are available commercially.

Step 1 Confirm that the router is turned off. Step 2 Connect one end of the cable to the FE port on the router. Step 3 Connect the other end to the BTS patch or demarcation panel at your site.

Figure 3-3 shows the RJ-45 port and connector.

Figure 3-3 RJ-45 Port and Plug

H2936

8 7 6 5 4 3 2 1

RJ-45 connector

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Connecting the Network Cables

Table 3-1 lists the pinouts and signals for the RJ-45 port.

Connecting the VWIC Interface Cables

How you connect the ports of the T1/E1 Multiflex VWIC depends on whether you are using the MWR 1941-DC router in a redundant (IP-RAN implementations only) or a non-redundant configuration.

For redundant configurations, use a Y-cable (as described in Y-Cable Specifications, page 3-7).

Note HSRP and the Y-cable mode must be configured for redundancy to allow one router to become active

(CD LED on, AL LED off) and the other to become the standby CD LED off, AL LED on due to no framing). For more information, see the MWR 1941-DC Software Configuration Guide.

Step 1 Confirm that both routers are turned off. Step 2 Connect the end of one of the Y-cable stubs to the T1 or E1 port on the card on the first router. Step 3 Connect the end of the other Y-cable stub to the T1 or E1 port (using the same type of port as in Step 2)

on the card in the second router.

Step 4 Connect the other end of the Y-cable to the BTS patch or demarcation panel at your site. Step 5 Turn on power to the routers. Step 6 Check that the CD LEDs goes on, which means that the cards’ internal CSU/DSU is communicating

with the CSU/DSU at the T1 or E1 service provider central office.

For non-redundant configurations, use a straight-through, shielded RJ-48C-to-RJ-48C cable.

Note If you choose to use the T1/E1 Multiflex VWIC in a non-redundant configuration, you must close

the relays on the card using the standalone subcommand. For more information, see the Cisco MWR 1941-DC Software Configuration Guide.

Step 1 Confirm that the router is turned off. Step 2 Connect one end of the cable to the T1 or E1 port on the card. Step 3 Connect the other end to the BTS patch or demarcation panel at your site.

Table 3-1 RJ-45 Pinout

Pin Description

1 Receive Data + (RxD+)

2 RxD-

3 Transmit Data + (TxD+)

6 TxD-

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Connecting the Network Cables

Step 4 Turn on power to the router. Step 5 Check that the CD LED goes on, which means that the card’s internal CSU/DSU is communicating

with the CSU/DSU at the T1 or E1 service provider central office.

The T1/E1 Multiflex VWIC uses an RJ-48C connection, as shown in Figure 3-4.

Figure 3-4 RJ-48C Connection

Table 3-2 shows the pinout configuration of the RJ-48C connectors on the T1/E1 Multiflex VWIC.

Y-Cable Specifications

Although it can be used in a standalone MWR 1941-DC router, the T1/E1 Multiflex VWIC is designed to be used in redundant configurations in an IP-RAN implementation. Such configurations require a special Y-cable for connecting the active and standby routers. The Y-cable provides a dual E1 or T1 PRI connection.

This section describes the specifications of the Y-cable used in redundant configurations in an IP-RAN implementation.

• T1/E1 Multiflex VWIC Y-cables should be made with 4 twisted-pair, shielded, 28-gauge cables.

• The cable length of each stub (from the RJ-48C connector to the junction point) should not exceed

3 inches (76 mm).

24939

8 7 6 5 4 3 2 1

RJ-48C connector

Table 3-2 RJ-48C Pinout

Pin Description

1 receive tip

2 receive ring

3 receive shield

4 transmit tip

5 transmit ring

6 transmit shield

7not used

8not used

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Chapter 3 Installing the Router

Connecting the Network Cables

• The cable length from junction point to the patch panel is determined by the customer.

• All signals that propagate in the same direction must share the same twisted pair. For example, RX

TIP and RX RING must form a single twisted pair.

• All unused twisted pairs should be cut flush on both ends of the cable. Any unused wire in a twisted

pair where one wire is in use should be cut flush at both ends.

Connecting the WIC-2A/S Interface Cables

This section describes how to connect the 2-port asynchronous/synchronous (A/S) serial modules (WIC-2A/S) when using with the MWR 1941-DC router in a Cell Site DCN implementation.

The 2-port A/S serial module has “smart” serial ports. The serial cable attached to one of the module's ports can determine the electrical interface type and mode (DTE or DCE).

Six types of serial cables (also called serial adapter cables or serial transition cables) are available from Cisco Systems for use with the 2-port A/S serial module:

• EIA/TIA-232 serial cable assembly

• EIA/TIA-449 serial cable assembly

• V.35 serial cable assembly

• X.21 serial cable assembly

• EIA/TIA-530 serial cable assembly

• EIA/TIA-530A serial cable assembly

All serial cables have a universal plug at the interface module end. The network end of each cable provides the physical connectors that are most commonly used for the interface. For example, the network end of the EIA/TIA-232 serial cable is a DB-25 connector, which is the most widely used EIA/TIA-232 connector.

All serial interface types, except EIA-530, are available in DTE or DCE mode: DTE with a plug connector at the network end and DCE with a receptacle at the network end. The V.35 assembly is available in either mode with either gender at the network end. The EIA/TIA-530 assembly is available in DTE only.

After you install the 2-port A/S serial module, use the appropriate serial cable to connect the serial port on the module to one of the following types of equipment (see Figure 3-5):

• Synchronous modem

• DSU/CSU

• Other DCE, if connecting to a digital WAN line

Stubs

Y- C a b l e

Patch panel

Junction point

MWR 1941-DC

95459

E1/

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Chapter 3 Installing the Router

Connecting the Network Cables

To connect the 2-port A/S serial module, perform these steps:

Step 1 Power off the MWR 1941-DC router. Step 2 Connect one end of the appropriate serial cable to a DB-60 port on the module, as shown in Figure 3-5. Step 3 Connect the other end of the cable to the appropriate type of equipment, as shown in Figure 3-5. Step 4 Power on the Cisco MWR 1941-DC router. Step 5 Verify that the CONN LED turns green, indicating that the serial port on the module detects the WAN

serial connection.

Figure 3-5 Connecting a 2-Port A/S Serial Module (WIC-2A/S)

Connecting the Network Module Interface Cables

With Cisco IOS Release 12.2(15)MC1a and later, the MWR 1941-DC router supports certain Cisco network modules for implementation in a Cell-Site DCN.

For a list of supported network modules, see the “Cisco Network Modules” section on page 1-7.

For information on connecting the interface cables for the Cisco network modules supported on the Cisco MWR 1941-DC router, see the Quick Start Guide, Network Modules for Cisco 2600 Series,

Cisco 3600 Series, Cisco 3700 Series and Cisco MWR 1941-DC Routers

and the Cisco Network Modules

Hardware Installation Guide.

Serial transition

cable

DSU/CSU or

other DCE

EIA/TIA-232, EIA/TIA-449, V.35,

X.21, or EIA-530 connector

H7370

Synchronous serial

port (DB-60)

CONN LED

CONN

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Chapter 3 Installing the Router

Connecting the MWR 1941-DC Router to a DC-Input Power Supply

This section contains instructions for:

• Required Tools and Equipment

• Grounding the Router

• Wiring the DC-Input Power Source

• Powering On the Router

Required Tools and Equipment

You need the following tools and equipment:

• Black terminal block connector (Phoenix part number 1756272; located in the accessory kit that

shipped with the router).

• Ratcheting torque screwdriver with a Phillips head that exerts up to 15 pound-force inches (lbf-in)

of pressure.

• Crimping tool as specified by the ground lug manufacturer.

• 10-AWG copper ground wire (insulated or noninsulated).

• 18-AWG copper wire for the power cord.

• Wire-stripping tool(s) for stripping both 10- and 18-AWG wire.

Grounding the Router

Follow these steps to ground the router to earth ground. Make sure to follow any grounding requirements at your site.

Warning

This equipment must be grounded. Never defeat the ground conductor or operate the equipment in the absence of a suitably installed ground conductor. Contact the appropriate electrical inspection authority or an electrician if you are uncertain that suitable grounding is available.

Warning

When installing the unit, the ground connection must always be made first and disconnected last.

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Chapter 3 Installing the Router

Connecting the MWR 1941-DC Router to a DC-Input Power Supply

Step 1 Remove the ground-lug screw from the rear panel of the router (shown in Figure 1-4 on page 1-4). Use

a standard Phillips screwdriver or a ratcheting torque screwdriver with a Phillips head.

Step 2 Set the screw aside. Step 3 If your ground wire is insulated, use a wire-stripping tool to strip the 10-AWG ground wire to 0.5 inch

± 0.02 inch (as shown below).

Step 4 Slide the open end of your ground lug over the exposed area of the 10-AWG wire. Step 5 Using a crimping tool (as specified by the ground lug manufacturer), crimp the ground lug to the 10-AWG

wire (as shown below).

Step 6 Use the screw to attach the ground lug and wire assembly to the rear panel of the switch. Step 7 Using a ratcheting torque screwdriver, torque the ground-lug screw to 15 1bf-in (or 240 ounce-force

inches [240 ozf-in]).

Insulation

Wire lead

0.50" ± 0.02"

10358

10360

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Chapter 3 Installing the Router

Connecting the MWR 1941-DC Router to a DC-Input Power Supply

Wiring the DC-Input Power Source

Warning

This product relies on the building’s installation for short-circuit (overcurrent) protection. Ensure that the protective device is rated not greater than: 10A minimum, 60VDC

Caution A readily accessible listed circuit breaker (rated 60VDC, 10A) should be available as the primary

disconnect device.

Note The installation must comply with the 1996 National Electric Code (NEC) and other applicable codes.

To connect the DC power supply to the Cisco MWR 1941-DC router, do the following:

Step 1 Turn OFF the DC power source at the circuit breaker and tape the circuit breaker in the OFF position. Step 2 Plug the black terminal block connector (Phoenix part number 1756272; located in the accessory kit that

shipped with the router) into the power connector located on the right-hand side of the back of the MWR 1941-DC router.

Step 3 Connect one end of the customer-supplied power cord (18-AWG copper wire) to the DC power source. Step 4 Plug the connector on the power supply cord into the connector that you plugged into the back of the

MWR 1941-DC router in Step 2.

Warning

An exposed wire lead from a DC-input power source can conduct harmful levels of electricity. Be sure that no exposed portion of the DC-input power source wire extends from the terminal block plug.

Warning

Secure all power cabling when installing this unit to avoid disturbing field-wiring connections.

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Chapter 3 Installing the Router

Replacing or Upgrading the CF

Powering On the Router

Warning

After wiring the DC power supply, remove the tape from the circuit breaker switch handle and reinstate power by moving the handle of the circuit breaker to the ON position.

Warning

Do not touch the power supply when the power cord is connected. For systems with a power switch, line voltages are present within the power supply even when the power switch is off and the power cord is connected. For systems without a power switch, line voltages are present within the power supply when the power cord is connected.

Warning

This equipment is intended to be grounded. Ensure that the host is connected to earth ground during normal use.

To power on the router, do the following:

Step 1 Turn on the power supply at the circuit breaker. Step 2 The LED labeled PWR on the front panel should go on.

If you encounter problems when you power on the router, see Appendix A, “Troubleshooting.”

Replacing or Upgrading the CF

This section describes how to remove, install, and format the external Compact Flash (CF).

The MWR 1941-DC router is shipped with a 32MB CF included (64MB CF separately orderable for Cell Site DCN implementations). The CF contains the appropriate IOS software image. However, you may need to replace or upgrade the CF at some point. If you do, follow the steps outlined below. This procedure can also be used to make copies of the CF.

Step 1 Copy the desired IOS image to a remote TFTP server. Step 2 Power up the MWR 1941-DC router to the ROMMON prompt. Step 3 Boot the router with the existing IOS image. Step 4 Remove the CF cover. Step 5 Remove the current CF from the CF Slot. See Removing a CF Memory Card from an External Slot, page

3-14 for more information.

Step 6 Place a new CF into the CF Slot. Step 7 Format the CF using the format slot0: command. See Formatting Procedures for CF Memory Cards,

page 3-15 for more information.

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Step 8 Issue a copy tftp slot0: command to copy the customer-ordered IOS image from the remote TFTP server

back to the CF.

Note Ensure that the IOS image is the first file on the CF. Otherwise, the router will not boot. To avoid

naming conflicts, we recommend that you copy the file as mwr1941-i-mz.boot.

Step 9 Reboot the system to the ROMMON prompt. Step 10 Boot the customer-ordered IOS image from the new CF. Step 11 Upon successful booting of the image, replace the CF cover. If the boot process is unsuccessful, repeat

Step 6 through Step 10.

Removing a CF Memory Card from an External Slot

Complete the following steps to remove a CF memory card from an external slot:

Caution Do not remove the CF memory card while it is performing a read or write operation, because the router

will shut down and the file system will be damaged.

Step 1 Locate the CF memory card in its slot in the front panel of the chassis. See Figure 1-3 on page 1-4. Step 2 Move the release button, located next to the slot, to its fully extended position, and press the button to

unseat the card.

Step 3 Carefully pull the card out of the slot. Step 4 Place the removed CF memory card on an antistatic surface or in a static shielding bag.

Installing a CF Memory Card in an External Slot

Complete the following steps to install a CF memory card:

Step 1 Locate the CF memory-card slot in the front panel of the chassis.See Figure 1-3 on page 1-4. Step 2 With the label facing up, insert the connector end of the CF memory card into the slot until the card is

seated in the connector and the release button is pushed out. The card is keyed so that it cannot be inserted wrong.

Step 3 Pull the release button out and move it to the left, to latch the card in the slot. Step 4 Refer to the “Formatting Procedures for CF Memory Cards” section for instructions on formatting the

CF memory card.

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Chapter 3 Installing the Router

Replacing or Upgrading the CF

Formatting Procedures for CF Memory Cards

For the Cisco MWR 1941-DC router, Cisco recommends that you format/erase new CF memory cards to initialize them with a Class C Flash file system. This ensures proper formatting and enables the ROM monitor to recognize and boot the Flash.

The Class C Flash file system is similar to the standard DOS file system; however, a CF memory card formatted with the standard DOS file system does not support booting from the ROM monitor.

Formatting CF Memory as a DOS File System

To format a new external CF memory card, or to remove the files from a previously installed external CF memory card, enter the format slot0: command.

The following example shows output for formatting a CF memory card formatted with a Class C Flash file system:

Router# format slot0:

Format operation may take a while. Continue? [confirm] Format operation will destroy all data in "slot0:". Continue? [confirm] Enter volume ID (up to 64 chars)[default slot0]: Current Low End File System flash card in flash will be formatted into DOS File System flash card! Continue? [confirm] Format:Drive communication & 1st Sector Write OK...

Writing Monlib sectors ...................................................................

Monlib write complete .. Format:All system sectors written. OK...

Format:Total sectors in formatted partition:250592 Format:Total bytes in formatted partition:128303104 Format:Operation completed successfully.

Format of flash complete

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Replacing or Upgrading the CF

File and Directory Procedures

The following sections describe file and directory procedures for external CF memory cards formatted with a Class C Flash file system.

Copy Files

To copy the files to another location, use the copy slot0: source-filename { slot0: | tfp: | lex: | null: | nvram: | pram: | rcp: | system: | tftp: | xmodem: | ymodem: | running-config | startup-config}

destination-filename command.

The following example shows output for copying a Cisco IOS file from an external CF memory card to a TFTP server:

Router# copy slot0:mwr1900-i-mz.tmp tftp:

Destination filename [mwr1941-i-mz.tmp]? CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC 6458584 bytes copied in 202.940 secs (31973 bytes/sec)

Display the Contents of a CF Card

To display the contents (directories and files) of a CF memory card formatted with a Class C Flash file system, use the dir slot0: command.

The following example shows output for displaying the contents of an external CF memory card with a Class C Flash file system:

Router# dir slot0:

Directory of slot0:/

3 -rw- 6455048 Mar 01 2001 00:04:06 mwr1900-i-mz 1579 -rw- 6458584 Mar 01 2001 00:24:38 mwr1900-i-mz.new

15912960 bytes total (2998272 bytes free)

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Replacing or Upgrading the CF

Display Geometry and Format Information

To display the geometry and format information of a CF memory card formatted with a Class C Flash file system, use the show slot0: command.

The following example shows output for displaying the geometry and format information of an external CF memory card formatted with a Class C Flash file system:

Router# show slot0:

******** ATA Flash Card Geometry/Format Info ********

ATA CARD GEOMETRY Number of Heads: 2 Number of Cylinders 490 Sectors per Cylinder 32 Sector Size 512 Total Sectors 31360

ATA CARD FORMAT Number of FAT Sectors 12 Sectors Per Cluster 8 Number of Clusters 3885 Number of Data Sectors 31264 Base Root Sector 152 Base FAT Sector 128 Base Data Sector 184

Please use "dir" command to display the contents of the card.

Delete Files from Flash

To delete a file from a CF memory card, use the delete slot0: filename command.

The following example shows output for deleting a Cisco IOS file from an external CF card:

Router# delete slot0:mwr1900-i-mz.tmp

Delete filename [mwr1941-i-mz.tmp]? Delete slot0:mwr1941-i-mz.tmp? [confirm] Router# dir slot0: Directory of slot0:/

No files in directory

128094208 bytes total (128094208 bytes free)

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Replacing or Upgrading the CF

Rename a File in Flash

To rename a file in a CF memory card, use the rename slot0: original-filename slot0: new-filename command.

The following example shows output for renaming a Cisco IOS file in an external CF card:

Router# rename slot0:mwr1900-i-mz.tmp slot0:mwr1900-i-mz

Destination filename [mwr1900-i-mz]? Router# dir slot0:

Directory of slot0:/

1580 -rw- 6462268 Mar 06 1993 06:14:02 mwr1900-i-mz.1941ata 3 -rw- 6458388 Mar 01 1993 00:01:24 mwr1900-i-mz

63930368 bytes total (51007488 bytes free)

Display File Content

To display the content of a file in a CF memory card, use the more slot0: filename command.

The following example shows output from the more command on an external CF card:

Router# more slot0:mwr1900-i-mz.tmp

00000000: 7F454C46 01020100 00000000 00000000 .ELF .... .... ....

00000010: 00020061 00000001 80008000 00000034 ...a .... .... ...4

00000020: 00000054 20000001 00340020 00010028 ...T ... .4. ...(

00000030: 00050008 00000001 0000011C 80008000 .... .... .... ....

00000040: 80008000 00628A44 00650EEC 00000007 .... .b.D .e.l ....

00000050: 0000011C 0000001B 00000001 00000006 .... .... .... ....

00000060: 80008000 0000011C 00004000 00000000 .... .... ..@. ....

00000070: 00000000 00000008 00000000 00000021 .... .... .... ...!

00000080: 00000001 00000002 8000C000 0000411C .... .... ..@. ..A.

00000090: 00000700 00000000 00000000 00000004 .... .... .... ....

000000A0: 00000000 00000029 00000001 00000003 .... ...) .... ....

000000B0: 8000C700 0000481C 00000380 00000000 ..G. ..H. .... ....

000000C0: 00000000 00000004 00000000 0000002F .... .... .... .../

000000D0: 00000001 10000003 8000CA80 00004B9C .... .... ..J. ..K.

000000E0: 00000020 00000000 00000000 00000008 ... .... .... ....

000000F0: 00000000 0000002F 00000001 10000003 .... .../ .... ....

00000100: 8000CAA0 00004BBC 00623FA4 00000000 ..J ..K< .b?$ ....

00000110: 00000000 00000008 00000000 3C1C8001 .... .... .... <...

00000120: 679C4A80 3C018001 AC3DC70C 3C018001 g.J. <... ,=G. <... 00000130: AC3FC710 3C018001 AC24C714 3C018001 ,?G. <... ,$G. <... 00000140: AC25C718 3C018001 AC26C71C 3C018001 ,%G. <... ,&G. <... 00000150: AC27C720 3C018001 AC30C724 3C018001 ,'G <... ,0G$ <... 00000160: AC31C728 3C018001 AC32C72C 3C018001 ,1G( <... ,2G, <...

--More-- q

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Chapter 3 Installing the Router

Replacing or Upgrading the CF

Create a New Directory

To create a directory in CF memory, use the mkdir slot0: directory-name command.

The following example shows output for first displaying the contents of an external CF card, and then creating a directory named config and a subdirectory named test-config:

Router# dir slot0:

Directory of slot0:/

3 -rw- 6458208 Mar 01 1993 00:04:08 mwr1941-i-mz.tmp

128094208 bytes total (121634816 bytes free) Router# mkdir slot0:/config

Create directory filename [config]? Created dir slot0:/config Router# mkdir slot0:/config/test-config

Create directory filename [/config/test-config]? Created dir slot0:/config/test-config Router# dir slot0:

Directory of slot0:/

3 -rw- 6458208 Mar 01 1993 00:04:08 mwr1941-i-mz.tmp 1580 drw- 0 Mar 01 1993 23:48:36 config

128094208 bytes total (121626624 bytes free) Router# cd slot0:/config

Router# dir slot0:

Directory of slot0:/config/

1581 drw- 0 Mar 01 1993 23:50:08 test-config

128094208 bytes total (121626624 bytes free)

Remove a Directory

To remove a directory from CF memory, use the rmdir slot0:/directory-name command.

Before you can remove a directory, all files and subdirectories must be removed from the directory.

The following example shows output for displaying the contents of an external CF card, then removing the subdirectory named test-config:

Router# dir slot0:

Directory of slot0:/config/

1581 drw- 0 Mar 01 1993 23:50:08 test-config

128094208 bytes total (121626624 bytes free) Router# rmdir slot0:/config/test-config

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Chapter 3 Installing the Router

What to Do After Installing the Hardware

Remove directory filename [/config/test-config]? Delete slot0:/config/test-config? [confirm] Removed dir slot0:/config/test-config Router# dir slot0:

Directory of slot0:/config/

No files in directory

128094208 bytes total (121630720 bytes free)

Enter a Directory and Determine the Current Directory

To enter a directory in CF memory, use the cd slot0:/directory-name command. To determine which directory you are in, use the pwd command.

The following example shows output for the following actions:

• Entering the home directory of a CF memory card in an external slot (slot0:/)

• Verifying that you are in the slot0:/ directory

Router# cd slot0:

Router# pwd

slot0:/

What to Do After Installing the Hardware

When you have installed the router hardware, see the Cisco MWR 1941-DC Software Configuration Guide for initial software configuration information.

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APPENDIX

Troubleshooting

Your Cisco MWR 1941-DC router goes through extensive testing before leaving the factory. If you encounter problems, use the information in this appendix to help isolate problems or to eliminate the router as the source of the problem.

This appendix contains the following sections:

• Problem Solving, page A-1

• Reading the LEDs, page A-4

If you cannot locate the source of the problem, contact a customer service representative for information on how to proceed. For technical support information, see the Cisco Information Packet publication that shipped with your router. Before you call, have the following information ready:

• Chassis type and serial number

• Maintenance agreement or warranty information

• Type of software and version number

• Date you received the new chassis

• Brief description of the problem

• Brief explanation of the steps you have taken to isolate the problem

Problem Solving

The key to problem solving is to isolate the problem to a specific subsystem by comparing what the router is doing to what it should be doing.

The LEDs on the front panel of the router enable you to determine router performance and operation. For a description of these LEDs, see Reading the LEDs, page A-4.

When problem solving, consider the following router subsystems:

• Power and cooling systems—External power source, power cable, router power supply and circuit

breaker, and router blower and fan. Also consider inadequate ventilation or air circulation.

• Modules—LEDs on the modules help identify a failure.

• Cables—External cables that connect the router to the network.

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Appendix A Troubleshooting

Problem Solving

Troubleshooting the Power and Cooling Systems

Both the power LED and the fans can help you troubleshoot a power problem. Check the following items to help isolate the problem:

Check the following items to help isolate problems with the power supply installation:

• With the MWR 1941-DC router connected to the power source, is the power LED on the front panel

on?

–

If not, check the DC input, DC source, and the power supply wiring.

–

Check the power supply connection to the motherboard.

–

If the power LED is still off, the problem might be a power supply failure.

• Does the router shut down after being on a short time?

–

Check the fans. If the fans are not working, the router will overheat and shut itself down.

–

If the fans are not working, check the power supply connections to the fans.

–

Ensure that the chassis intake and exhaust vents are clear.

Check the environmental site requirements in the “System Specifications” section on page 1-9.

• Does the router partially boot, but the LEDs do not go on?

–

Check for a power supply failure by inspecting the power LED on the front panel of the router. If the power LED is on, the power supply is functional.

–

If the power LED is not on, refer to the Cisco Information Packet for warranty information or contact customer service.

Environmental Reporting Features

If the router is operating at an abnormally high temperature, you see the following message on the console screen:

%SYS-1-OVERTEMP: System detected OVERTEMPERATURE condition. Please resolve cooling problem immediately!

Some causes of abnormally high router temperature are:

• Fan failure

• Air conditioner failure in the room

• Air blockage to cooling vents

Take steps to correct the problem. For information about environmental operating conditions, see

“System Specifications” section on page 1-9.

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Problem Solving

Troubleshooting Modules, Cables, and Connections

Network problems can be caused by a module, cables or cable connections, or external devices such as a modem, transceiver, hub, wall jack, WAN interface, or terminal. Check for the following symptoms to help isolate the problem:

• Module is not recognized by the router.

–

Make sure the module is firmly seated in its slot.

–

Check the LEDs on the module. Each module has its own set of LEDs. For information on these LEDs, see Reading the LEDs, page A-4.

–

Make sure you have a version of Cisco IOS software that supports the module.

• Module is recognized, but interface ports do not initialize.

–

Make sure the module is firmly seated in its slot.

–

Check external cable connections.

–

Make sure you have a version of Cisco IOS software that supports the module.

• Router does not boot properly, or constantly or intermittently reboots.

–

Make sure the module is firmly seated in its slot.

–

Check the router chassis or software. Refer to the Cisco Information Packet publication that shipped with your router for warranty information, or contact customer service.

• Router boots, but the console screen is frozen.

–

Check the external console connection.

–

Verify that the parameters for your terminal are set as follows:

(a) The same data rate as configured for the router (9600 bps is the default)

(b) 8 data bits

(d) 2 stop bits

• Router powers on and boots only when a particular module is removed.

–

Check the module. Refer to the Cisco Information Packet publication that accompanied your order for warranty information, or contact customer service.

• Router powers on and boots only when a particular cable is disconnected.

–

There may be a problem with the module or cable. Refer to the Cisco Information Packet publication for warranty information, or contact customer service.

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Appendix A Troubleshooting

Reading the LEDs

The LEDs on the front panel of the router enable you to determine router performance and operation.

Figure A-1 shows the locations of the LEDs.

Figure A-1 Front Panel of the MWR 1941-DC

Table A-1 Chassis LEDs

LED Color Status

Power Green Operating voltages on the mainboard are within acceptable ranges.

Off The router is not connected to a power supply or an error condition has

been detected in the operating voltages.

Status Green The router’s software has booted up and the system is operational.

Off The router has not yet booted or an error condition has been detected in

the boot process.

Activity Green Packets or idle contexts are being processed by the PXF.

Off No PXF activity is occurring.

Table A-2 Fast Ethernet Connector LEDs

LED Color Status

Activity Green Data is being transmitted on the link.

Off No data is being transmitted.

Speed Green 100 Mbps communication speed attained.

Off 10 Mbps communication speed attained, or no link established.

Link Green Ethernet link is established.

Off No established link.

98716

L B

T A

X D

/ L

X D

/ L

T X

SERIAL A/S

Serial 0/3

Serial 0/2

Serial 0/1

Serial 0/0

Serial 1/3

Serial 1/2

Serial 1/1

Serial 1/0

FE1

FE0

Console

port

Auxiliary

port

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Appendix A Troubleshooting

Reading the LEDs

Note In a redundant configuration, when the relays of the VWIC close, the Carrier Detect LED on the T1 ports

will remain lit and the Alarm LED will go off. When the router is inactive, the ALARM LED will be lit (due to no framing) and the Carrier Detect LED will be off.

Note For information about the LEDs of network modules and WICs not covered in this appendix, see the

Cisco Network Module Installation Guide and the Cisco Interface Card Installation Guide.

Table A-3 VWIC LEDs

LED Color Description

Loopback Amber A loopback or line state is detected or is manually set by the user.

Off Normal operation.

Alarm Amber A local or remote alarm state.

Off Normal operation.

Carrier Detect Green A carrier has been detected and the internal DSU/CSU in the WAN

interface card is communicating with another DSU/CSU. This LED is on during normal operation.

Off No carrier has been detected.

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Reading the LEDs

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APPENDIX

Cable Specifications

If you prefer to build your own cables, this appendix provides cable specifications for Cisco MWR 1941-DC router.

This document includes:

• Warning Conventions

• Console and Auxiliary Port Signals and Pinouts

• Ethernet Cable Pinouts

• Fast Ethernet Connector Pinouts

• T1/E1 Trunk and DigitaSl Voice Port Pinouts (RJ-48)

• Serial Connection Signals and Pinouts

• Smart Serial Connection Signals and Pinouts

Note All pins not listed in the tables in this document are not connected.

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Appendix B Cable Specifications

Warning Conventions

Warning

IMPORTANT SAFETY INSTRUCTIONS

This warning symbol means danger. You are in a situation that could cause bodily injury. Before you work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents. Use the statement number provided at the end of each warning to locate its translation in the translated safety warnings that accompanied this device.

Statement 1071

SAVE THESE INSTRUCTIONS

Waarschuwing

BELANGRIJKE VEILIGHEIDSINSTRUCTIES

Dit waarschuwingssymbool betekent gevaar. U verkeert in een situatie die lichamelijk letsel kan veroorzaken. Voordat u aan enige apparatuur gaat werken, dient u zich bewust te zijn van de bij elektrische schakelingen betrokken risico's en dient u op de hoogte te zijn van de standaard praktijken om ongelukken te voorkomen. Gebruik het nummer van de verklaring onderaan de waarschuwing als u een vertaling van de waarschuwing die bij het apparaat wordt geleverd, wilt raadplegen.

BEWAAR DEZE INSTRUCTIES

Varoitus

TÄRKEITÄ TURVALLISUUSOHJEITA

Tämä varoitusmerkki merkitsee vaaraa. Tilanne voi aiheuttaa ruumiillisia vammoja. Ennen kuin käsittelet laitteistoa, huomioi sähköpiirien käsittelemiseen liittyvät riskit ja tutustu onnettomuuksien yleisiin ehkäisytapoihin. Turvallisuusvaroitusten käännökset löytyvät laitteen mukana toimitettujen käännettyjen turvallisuusvaroitusten joukosta varoitusten lopussa näkyvien lausuntonumeroiden avulla.

SÄILYTÄ NÄMÄ OHJEET

Attention

IMPORTANTES INFORMATIONS DE SÉCURITÉ

Ce symbole d'avertissement indique un danger. Vous vous trouvez dans une situation pouvant entraîner des blessures ou des dommages corporels. Avant de travailler sur un équipement, soyez conscient des dangers liés aux circuits électriques et familiarisez-vous avec les procédures couramment utilisées pour éviter les accidents. Pour prendre connaissance des traductions des avertissements figurant dans les consignes de sécurité traduites qui accompagnent cet appareil, référez-vous au numéro de l'instruction situé à la fin de chaque avertissement.

CONSERVEZ CES INFORMATIONS

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Appendix B Cable Specifications

Warning Conventions

Warnung

WICHTIGE SICHERHEITSHINWEISE

Dieses Warnsymbol bedeutet Gefahr. Sie befinden sich in einer Situation, die zu Verletzungen führen kann. Machen Sie sich vor der Arbeit mit Geräten mit den Gefahren elektrischer Schaltungen und den üblichen Verfahren zur Vorbeugung vor Unfällen vertraut. Suchen Sie mit der am Ende jeder Warnung angegebenen Anweisungsnummer nach der jeweiligen Übersetzung in den übersetzten Sicherheitshinweisen, die zusammen mit diesem Gerät ausgeliefert wurden.

BEWAHREN SIE DIESE HINWEISE GUT AUF.

Avvertenza

IMPORTANTI ISTRUZIONI SULLA SICUREZZA

Questo simbolo di avvertenza indica un pericolo. La situazione potrebbe causare infortuni alle persone. Prima di intervenire su qualsiasi apparecchiatura, occorre essere al corrente dei pericoli relativi ai circuiti elettrici e conoscere le procedure standard per la prevenzione di incidenti. Utilizzare il numero di istruzione presente alla fine di ciascuna avvertenza per individuare le traduzioni delle avvertenze riportate in questo documento.

CONSERVARE QUESTE ISTRUZIONI

Advarsel

VIKTIGE SIKKERHETSINSTRUKSJONER

Dette advarselssymbolet betyr fare. Du er i en situasjon som kan føre til skade på person. Før du begynner å arbeide med noe av utstyret, må du være oppmerksom på farene forbundet med elektriske kretser, og kjenne til standardprosedyrer for å forhindre ulykker. Bruk nummeret i slutten av hver advarsel for å finne oversettelsen i de oversatte sikkerhetsadvarslene som fulgte med denne enheten.

TA VARE PÅ DISSE INSTRUKSJONENE

Aviso

INSTRUÇÕES IMPORTANTES DE SEGURANÇA

Este símbolo de aviso significa perigo. Você está em uma situação que poderá ser causadora de lesões corporais. Antes de iniciar a utilização de qualquer equipamento, tenha conhecimento dos perigos envolvidos no manuseio de circuitos elétricos e familiarize-se com as práticas habituais de prevenção de acidentes. Utilize o número da instrução fornecido ao final de cada aviso para localizar sua tradução nos avisos de segurança traduzidos que acompanham este dispositivo.

GUARDE ESTAS INSTRUÇÕES

¡Advertencia!

INSTRUCCIONES IMPORTANTES DE SEGURIDAD

Este símbolo de aviso indica peligro. Existe riesgo para su integridad física. Antes de manipular cualquier equipo, considere los riesgos de la corriente eléctrica y familiarícese con los procedimientos estándar de prevención de accidentes. Al final de cada advertencia encontrará el número que le ayudará a encontrar el texto traducido en el apartado de traducciones que acompaña a este dispositivo.

GUARDE ESTAS INSTRUCCIONES

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Appendix B Cable Specifications

Warning Conventions

Varning!

VIKTIGA SÄKERHETSANVISNINGAR

Denna varningssignal signalerar fara. Du befinner dig i en situation som kan leda till personskada. Innan du utför arbete på någon utrustning måste du vara medveten om farorna med elkretsar och känna till vanliga förfaranden för att förebygga olyckor. Använd det nummer som finns i slutet av varje varning för att hitta dess översättning i de översatta säkerhetsvarningar som medföljer denna anordning.

SPARA DESSA ANVISNINGAR

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Appendix B Cable Specifications

Console and Auxiliary Port Signals and Pinouts

Your router comes with a console and auxiliary cable kit, which contains the cable and adapters you need to connect a console terminal (an ASCII terminal or PC running terminal emulation software) or modem to your router. The console and auxiliary cable kit includes the following items:

• RJ-45-to-RJ-45 rollover cable

• RJ-45-to-DB-9 female DTE adapter (labeled TERMINAL)

• RJ-45-to-DB-25 female DTE adapter (labeled TERMINAL)

• RJ-45-to-DB-25 male DCE adapter (labeled MODEM)

For console connections, proceed to the “Console Port Signals and Pinouts” section on page B-5; for modem connections, proceed to the “Auxiliary Port Signals and Pinouts” section on page B-6.

Console Port Signals and Pinouts

Use the thin, flat, RJ-45-to-RJ-45 roll-over cable and RJ-45-to-DB-9 female DTE adapter (labeled “TERMINAL”) to connect the console port to a PC running terminal emulation software. Figure B-1 shows how to connect the console port to a PC. Tab le B-1 lists the pinouts for the asynchronous serial console port, the RJ-45-to-RJ-45 rollover cable, and the RJ-45-to-DB-9 female DTE adapter (labeled TERMINAL).

Figure B-1 Connecting the Console Port to a PC

Table B-1 Console Port Signaling and Cabling Using a DB-9 Adapter

Console Port (DTE)

RJ-45-to-RJ-45 Rollover Cable

RJ-45-to-DB-9 Terminal Adapter (connected to Rollover Cable)

Console Device

Signal RJ-45 Pin RJ-45 Pin DB-9 Pin Signal

RTS 1

1. Pin 1 is connected internally to pin 8

88 CTS

DTR 2 7 6 DSR

TxD 3 6 2 RxD

GND 4 5 5 GND

GND 5 4 5 GND

RxD 6 3 3 TxD

DSR 7 2 4 DTR

CTS 8

17 RTS

H7226

RJ-45-to-RJ-45

rollover cable

RJ-45-to-DB-9 adapter

(labeled TERMINAL)

Router

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Appendix B Cable Specifications

Console and Auxiliary Port Signals and Pinouts

Table B-2 lists the pinouts for the asynchronous serial console port, the RJ-45-to-RJ-45 rollover cable,

and the RJ-45-to-DB-25 female DTE adapter (labeled TERMINAL).

Auxiliary Port Signals and Pinouts

Table B-3 lists the pinouts for the asynchronous serial auxiliary port, the RJ-45-to-RJ-45 rollover cable,

and the RJ-45-to-DB-25 male DCE adapter (labeled MODEM).

Table B-2 Console Port Signaling and Cabling Using a DB-25 Adapter

Console Port (DTE)

1. You can use the same cabling to connect a console to the auxiliary port

RJ-45-to-RJ-45 Rollover Cable

RJ-45-to-DB-25 Terminal Adapter

Console Device

Signal RJ-45 Pin RJ-45 Pin DB-25 Pin Signal

RTS 1

2. Pin 1 is connected internally to pin 8

85 CTS

DTR 2 7 6 DSR

TxD 3 6 3 RxD

GND 4 5 7 GND

GND 5 4 7 GND

RxD 6 3 2 TxD

DSR 7 2 20 DTR

CTS 8

14 RTS

Table B-3 Auxiliary Port Signaling and Cabling Using a DB-25 Adapter

Auxiliary Port (DTE)

RJ-45-to-RJ-45 Roll-Over Cable

RJ-45-to-DB-25 Modem Adapter Modem

Signal RJ-45 Pin RJ-45 Pin DB-25 Pin Signal

RTS 1

1. Pin 1 is connected internally to pin 8.

84 RTS

DTR 2 7 20 DTR

TxD 3 6 3 TxD

GND 4 5 7 GND

GND 5 4 7 GND

RxD 6 3 2 RxD

DSR 7 2 8 DCD

CTS 8

15 CTS

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Appendix B Cable Specifications

Ethernet Cable Pinouts

You can identify a rollover cable by comparing the modular plugs at the two ends of the cable. When you hold the plugs side by side, with the tab at the back, the wire connected to the pin on the outside of the left plug should be the same color as the wire connected to the pin on the outside of the right plug. (See Figure B-2.) If you purchased your cable from Cisco Systems, pin 1 is white on one connector, and pin 8 is white on the other (a rollover cable connects pins 1 and 8, 2 and 7, 3 and 6, and 4 and 5).

Figure B-2 Identifying a Rollover Cable

Ethernet Cable Pinouts

This section describes the Ethernet AUI Cable Pinouts and the 10BaseT Connector Pinouts.

Ethernet AUI Cable Pinouts

Figure B-3 shows the Ethernet (AUI) cable assembly and Table B-4 lists the pinouts.

Figure B-3 Ethernet (AUI) Cable Assembly

Pin 1

Pin 8

H3824

Pin 1 and pin 8

should be the

same color

H1031a

J2-1 J2-9

J2-15 J2-8

J1-1 J1-9

J1-15

J1-8

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Appendix B Cable Specifications

Ethernet Cable Pinouts

10BaseT Connector Pinouts

Figure B-4 shows the 10BaseT connector (RJ-45) and Tab le B-5 lists its pinouts.

Figure B-4 10BaseT Connector (RJ-45)

Table B-4 Ethernet (AUI) Pinouts

Pin Ethernet Circuit Signal Name

3 DO-A Data Out Circuit A

10 DO-B Data Out Circuit B

11 DO-S Data Out Circuit Shield

5 DI-A Data In Circuit A

12 DI-B Data In Circuit B

4 DI-S Data In Circuit Shield

7 CO-A Control Out Circuit A (not connected)

15 CO-B Control Out Circuit B (not connected)

8 CO-S Control Out Circuit Shield (not connected)

2 CI-A Control In Circuit A

9 CI-B Control In Circuit B

1 CI-S Control In Circuit Shield

6 VC Voltage Common

13 VP Voltage Plus

14 VS Voltage Shield (L25 and M25)

Shell PG Protective Ground

H7316

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Appendix B Cable Specifications

Fast Ethernet Connector Pinouts

This section illustrates the Fast Ethernet 100BaseTX (RJ-45) connector and lists its pinout and signal descriptions.

Figure B-5 shows the 100BaseTX RJ-45 connector, and Tabl e B- 6 lists its pinout. The 1-port Fast

Ethernet network module RJ-45 port actively terminates wire pair 4 and 5 and wire pair 7 and 8. Common-mode termination reduces electromagnetic interference (EMI) and susceptibility to common-mode sources.

Figure B-5 100BaseTX RJ-45 Connector

Table B-5 10BaseT Connector (RJ-45) Pinouts

1. Any pin not described is not connected

Description

1TX+

2TX–

3RX+

4–

5–

6RX–

7–

8–

Table B-6 RJ-45 Connector Pinout

Pin Signal

1TX+

2TX–

3RX+

6RX–

H1567

Pin 1

Pin 8

RJ-45 (both ends)

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Appendix B Cable Specifications

T1/E1 Trunk and DigitaSl Voice Port Pinouts (RJ-48)

Figure B-6 shows the RJ-48 connector wiring for the T1/E1 trunk cable and the digital voice port cable; Table B-7 lists the pinouts.

Figure B-6 RJ-48-to-RJ-48 T1/E1 Cable Wiring

Serial Connection Signals and Pinouts

This section provides information about the 1-port serial WAN interface card. With the appropriate serial transition cable, this card can provide an EIA/TIA-232, EIA/TIA-449, V.35, X.21, DTE/DCE, EIA-530 DTE, or NRZ/NRZI serial interface.

Table B-7 Pinouts for T1/E1 Trunk and Digital Voice Port (RJ-48)

1. Any pin not referenced on a connector is not connected.

Signal

1 RX (input)

2 RX (input)

3–

4TX (output)

5TX (output)

6–

7–

8–

H11419

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Appendix B Cable Specifications

Serial Connection Signals and Pinouts

Types of Serial Cables

Six types of serial cables (also called serial adapter cables or serial transition cables) are available from Cisco Systems:

• EIA/TIA-232 Interface

• EIA/TIA-449 Interface

• V. 3 5 I nt er fa c e

• X.21 Serial Cable Assembly

• EIA-530 Interface

All serial cables provide a universal plug at the interface card end. The network end of each cable provides the physical connectors most commonly used for the interface. For example, the network end of the EIA/TIA-232 serial cable is a DB-25 connector, the most widely used EIA/TIA-232 connector.

All serial interface types except EIA-530 are available in DTE or DCE format: DTE with a plug connector (male) at the network end and DCE with a receptacle (female) at the network end. V.35 is available in either mode with either gender at the network end. EIA-530 is available in DTE only.

Connecting the Card to the Network

Note The serial WAN interface card uses a universal high-density, 60-pin receptacle. Each universal port

requires a serial port adapter cable that determines the port’s electrical interface type and mode: DTE or DCE. Although all port adapter cables use a universal plug at the quad serial module end, the network end of each cable type uses the physical connectors commonly used for the interface. (For example, the network end of the EIA/TIA-232 port adapter cable is a DB-25 connector, the most widely used EIA/TIA-232 connector.)

After you install the serial WAN interface card, use the appropriate serial cable to connect the interface card’s DB-60 serial port to one of the following types of equipment:

• An asynchronous modem, if connecting to an analog telephone line

• A synchronous modem, data service unit/channel service unit (DSU/CSU), or other data

circuit-terminating equipment (DCE), if connecting to a digital WAN line

EIA/TIA-232 Interface

This section contains the following topics:

• EIA/TIA-232 Connections

• EIA/TIA-232 Serial Cable Assembly

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Serial Connection Signals and Pinouts

EIA/TIA-232 Connections

EIA/TIA-232 supports unbalanced circuits at signal speeds up to 64 kbps. The network end of the adapter cable is a standard 25-pin D-shell connector known as a DB-25. (See Figure B-7.) The router console and auxiliary ports also use EIA/TIA-232 connections; however, the serial module ports support synchronous connections, and the console and auxiliary ports support asynchronous connections.

Figure B-7 EIA/TIA-232 Adapter Cable Connectors, Network End

EIA/TIA-232 Serial Cable Assembly

Figure B-8 shows the EIA/TIA-232 serial cable assembly. Table B-8 lists the DTE pinout and Tab le B-9

lists the DCE pinout. Arrows indicate signal direction: —> means DTE to DCE and <— means DCE to DTE.

Figure B-8 EIA/TIA-232 Cable Assembly

H1343a

DTE

DCE

Table B-8 EIA/TIA-232 DTE Cable Pinout (DB-60 to DB-25)

60-Pin Signal Note Direction 25-Pin Signal

J1-50 J1-51 J1-52

MODE_0 GND MODE_DC E

Shorting group – – –

J1-46 Shield

GND

Single – J2-1 Shield

GND

J1-46 Shield

GND

Single – J2-1 Shield

GND

H1972

60-pin connector (J1) 25-pin connector (J2)

Connectors are not to scale.

J2-13 J2-25

J2-14 J2-1

J1-46 J1-45 J1-16 J1-15

J1-1 J1-30 J1-31 J1-60

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Serial Connection Signals and Pinouts

J1-41 Shield

TXD/RXD–Twisted pair no. 5 —>

–

J2-2 Shield

TXD –

J1-36 Shield

RXD/TXD–Twistsed pair no. 9 <—

–

J2-3 Shield

RXD –

J1-42 Shield

RTS / CTS–Twisted pair no. 4 —>

–

J2-4 Shield

RTS –

J1-35 Shield

CTS/RTS–Twisted pair no. 10 <—

–

J2-5 Shield

CTS –

J1-34 Shield

DSR/DTR–Twisted pair no. 11 <—

–

J2-6 Shield

DSR –

J1-45 Shield

Circuit GND –

Twisted pair no. 1 –

–

J2-7 Shield

Circuit GND –

J1-33 Shield

DCD/LL –

Twisted pair no. 12 <—

–

J2-8 Shield

DCD –

J1-37 Shield

TXC/NIL–Twisted pair no. 8 <—

–

J2-15 Shield

TXC –

J1-38 Shield

RXC/TXC E –

Twisted pair no. 7 <—

–

J2-17 Shield

RXC –

J1-44 Shield

LL/DCD –

Twisted pair no. 2 —>

–

J2-18 Shield

LTST –

J1-43 Shield

DTR/DSR–Twisted pair no. 3 —>

–

J2-20 Shield

DTR –

J1-39 Shield

TXCE/TXC–Twisted pair no. 6 —>

–

J2-24 Shield

TXCE –

Table B-9 EIA/TIA-232 DCE Cable Pinout (DB-60 to DB-25)

60-Pin Signal Note Direction 25-Pin Signal

J1-50 J1-51

MODE_0 GND

Shorting group – – –

J1-36 Shield

RXD/TXD–Twisted pair no. 9 <—

–

J2-2 Shield

TXD –

J1-41 Shield

TXD/RXD–Twisted pair no. 5 —>

–

J2-3 Shield

RXD –

J1-35 Shield

CTS/RTS–Twisted pair no. 10 <—

–

J2-4 Shield

RTS –

J1-42 Shield

RTS / CTS–Twisted pair no. 4 —>

–

J2-5 Shield

CTS –

J1-43 Shield

DTR/DSR–Twisted pair no. 3 —>

–

J2-6 Shield

DSR –

Table B-8 EIA/TIA-232 DTE Cable Pinout (DB-60 to DB-25) (continued)

60-Pin Signal Note Direction 25-Pin Signal

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Appendix B Cable Specifications

Serial Connection Signals and Pinouts

EIA/TIA-449 Interface

This section contains the following topics:

• EIA/TIA-449 Connections

• EIA/TIA-449 Serial Cable Assembly

EIA/TIA-449 Connections

EIA/TIA-449, which supports balanced (EIA/TIA-422) and unbalanced (EIA/TIA-423) transmissions, is a faster (up to 2 Mbps) version of EIA/TIA-232 that provides more functions and supports transmissions over greater distances.

The EIA/TIA-449 standard was intended to replace the EIA/TIA-232 standard, but it was not widely adopted primarily because of the large installed base of DB-25 hardware and because of the larger size of the 37-pin EIA/TIA-449 connectors, which limited the number of connections possible (fewer than possible with the smaller, 25-pin EIA/TIA-232 connector).

J1-45

Shield

Circuit GND –

Twisted pair no. 1 –

–

J2-7 Shield

Circuit GND

J1-44

Shield

LL/DCD–Twisted pair no. 2 —>

–

J2-8 Shield

DCD –

J1-39

Shield

TXCE/TX C –

Twisted pair no. 7 —>

–

J2-15 Shield

TXC –

J1-40

Shield

NIL/RXC–Twisted pair no. 6 —>

–

J2-17 Shield

RXC –

J1-33

Shield

DCD/LL–Twisted pair no. 12 <—

–

J2-18 Shield

LTST –

J1-34

Shield

DSR/DTR–Twisted pair no. 11 <—

–

J2-20 Shield

DTR –

J1-38

Shield

RXC/TXC E –

Twisted pair no. 8 <—

–

J2-24 Shield

TXCE –

Table B-9 EIA/TIA-232 DCE Cable Pinout (DB-60 to DB-25) (continued)

60-Pin Signal Note Direction 25-Pin Signal

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Serial Connection Signals and Pinouts

The network end of the EIA/TIA-449 adapter cable provides a standard 37-pin D-shell connector. (See Figure B-9.) EIA/TIA-449 cables are available as either DTE (DB-37 plug) or DCE (DB-37 receptacle).

Figure B-9 EIA/TIA-449 Adapter Cable Connectors, Network End

EIA/TIA-449 Serial Cable Assembly

Figure B-10 shows the EIA/TIA-449 serial cable assembly. Tab le B-10 lists the DTE pinout and Table B-11 lists the DCE pinout. Arrows indicate signal direction: —> means DTE to DCE and <—

means DCE to DTE.

Figure B-10 EIA/TIA-449 Serial Cable Assembly

H1344a

DTE

DCE

Table B-10 EIA/TIA-449 DTE Cable Pinout (DB-60 to DB-37)

60-Pin Signal Name Note Direction 37-Pin Signal Name

J1-49 J1-48

MODE_1 GND

Shorting group – – –

J1-51 J1-52

GND MODE_DCE

Shorting group – – –

J1-46 Shield_GND Single _ J2-1 Shield GND

J1-11 J1-12

TXD/RXD+ TXD/RXD–

Twisted pair no. 6 —>

—>

J2-4 J2-22

SD+ SD–

J1-24 J1-23

TXC/RXC+ TXC/RXC–

Twisted pair no. 9 <—

<—

J2-5 J2-23

ST+ ST–

J1-28 J1-27

RXD/TXD+ RXD/TXD–

Twisted pair no. 11 <—

<—

J2-6 J2-24

RD+ RD–

H1973

60-pin connector (J1)

37-pin connector (J2)

Connectors are not to scale.

J2-19 J2-37

J2-20 J2-1

J1-46 J1-45 J1-16 J1-15

J1-1 J1-30 J1-31 J1-60

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Serial Connection Signals and Pinouts

J1-9 J1-10

RTS / CTS+ RTS / CTS–

Twisted pair no. 5 —>

—>

J2-7 J2-25

RS+ RS–

J1-26 J1-25

RXC/TXCE+ RXC/TXCE–

Twisted pair no. 10 <—

<—

J2-8 J2-26

RT+ RT–

J1-1 J1-2

CTS/RTS+ CTS/RTS–

Twisted pair no. 1 <—

<—

J2-9 J2-27

CS+ CS–

J1-44 J1-45

LL/DCD Circuit_GND

Twisted pair no. 12 —>

J2-10 J2-37

LL SC

J1-3 J1-4

DSR/DTR+ DSR/DTR–

Twisted pair no. 2 <—

<—

J2-11 J2-29

DM+ DM–

J1-7 J1-8

DTR/DSR+ DTR/DSR–

Twisted pair no. 4 —>

—>

J2-12 J2-30

TR+ TR–

J1-5 J1-6

DCD/DCD+ DCD/DCD–

Twisted pair no. 3 <—

<—

J2-13 J2-31

RR+ RR–

J1-13 J1-14

TXCE/TXC+ TXCE/TXC–

Twisted pair no. 7 —>

—>

J2-17 J2-35

TT+ TT–

J1-15 J1-16

Circuit_GND Circuit_GND

Twisted pair no. 9 –

–

J2-19 J2-20

SG RC

Table B-11 EIA/TIA-449 DCE Cable Pinout (DB-60 to DB-37)

60-Pin Signal Name Note Direction 37-Pin Signal Name

J1-49 J1-48

MODE_1 GND

Shorting group – – –

J1-46 Shield_GND Single – J2-1 Shield GND

J1-28 J1-27

RXD/TXD+ RXD/TXD–

Twisted pair no. 11 <—

<—

J2-4 J2-22

SD+ SD–

J1-13 J1-14

TXCE/TXC+ TXCE/TXC–

Twisted pair no. 7 —>

—>

J2-5 J2-23

ST+ ST–

J1-11 J1-12

TXD/RXD+ TXD/RXD–

Twisted pair no. 6 —>

—>

J2-6 J2-24

RD+ RD–

J1-1 J1-2

CTS/RTS+ CTS/RTS–

Twisted pair no. 1 <—

<—

J2-7 J2-25

RS+ RS–

J1-24 J1-23

TXC/RXC+ TXC/RXC–

Twisted pair no. 9 —>

—>

J2-8 J2-26

RT+ RT–

J1-9 J1-10

RTS / CTS+ RTS / CTS–

Twisted pair no. 5 —>

—>

J2-9 J2-27

CS+ CS–

J1-29 J1-30

NIL/LL Circuit_GND

Twisted pair no. 12 —>

–

J2-10 J2-37

LL SC

J1-7 J1-8

DTR/DSR+ DTR/DSR–

Twisted pair no. 4 —>

—>

J2-11 J2-29

DM+ DM–

Table B-10 EIA/TIA-449 DTE Cable Pinout (DB-60 to DB-37) (continued)

60-Pin Signal Name Note Direction 37-Pin Signal Name

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Serial Connection Signals and Pinouts

V.35 Interface

This section contains the following topics:

• V.35 Connections

• V.35 Serial Cable Assembly

V.35 Connections

The V.35 interface is recommended for speeds up to 48 kbps, although in practice it is used successfully at 4 Mbps.

The network end of the V.35 adapter cable provides a standard 34-pin Winchester-type connector. (See Figure B-11.) V.35 cables are available with a standard V.35 plug or receptacle in either DTE or DCE mode.

Figure B-11 V.35 Adapter Cable Connectors, Network End

V.35 Serial Cable Assembly

Figure 12 shows the V.35 serial cable assembly. Tabl e B - 12 lists the DTE pinout and Tab l e B - 1 3 lists the DCE pinout. Arrows indicate signal direction: —> means DTE to DCE and <— means DCE to DTE.

J1-3 J1-4

DSR/DTR+ DSR/DTR–

Twisted pair no. 2 <—

<—

J2-12 J2-30

TR+ TR–

J1-5 J1-6

DCD/DCD+ DCD/DCD–

Twisted pair no. 3 —>

—>

J2-13 J2-31

RR+ RR–

J1-26 J1-25

RXC/TXCE+ RXC/TXCE–

Twisted pair no. 10 <—

<—

J2-17 J2-35

TT+ TT–

J1-15 J1-16

Circuit_GND Circuit_GND

Twisted pair no. 8 _

J2-19 J2-20

SG RC

Table B-11 EIA/TIA-449 DCE Cable Pinout (DB-60 to DB-37) (continued)

60-Pin Signal Name Note Direction 37-Pin Signal Name

H1616a

DTE

DCE

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Serial Connection Signals and Pinouts

Figure B-12 V.35 Serial Cable Assembly

Table B-12 V.35 DTE Cable Pinout (DB-60 to Winchester-Type 34-Pin)

60-Pin Signal Name Type Direction 34-Pin Signal Name

J1-49 J1-48

MODE_1 GND

Shorting group – – –

J1-50 J1-51 J1-52

MODE_0 GND MODE_DCE

Shorting group – – –

J1-53 J1-54 J1-55 J1-56

TxC/NIL RxC_TxCE RxD/TxD GND

Shorting group – – –

J1-46 Shield_GND Single – J2-A Frame GND

J1-45 Shield

Circuit_GND–Twisted pair no. 12 –

–

J2-B Shield

Circuit GND –

J1-42 Shield

RTS / CTS –

Twisted pair no. 9 —>

–

J2-C Shield

RTS –

J1-35 Shield

CTS/RTS –

Twisted pair no. 8 <—

–

J2-D Shield

CTS –

J1-34 Shield

DSR/DTR –

Twisted pair no. 7 <—

–

J2-E Shield

DSR –

J1-33 Shield

DCD/LL –

Twisted pair no. 6 <—

–

J2-F Shield

RLSD –

J1-43 Shield

DTR/DSR –

Twisted pair no. 10 —>

–

J2-H Shield

DTR –

J1-44 Shield

LL/DCD –

Twisted pair no. 11 —>

–

J2-K ShieldLT–

J1-18 J1-17

TxD/RxD+ TxD/RxD–

Twisted pair no. 1 —>

—>

J2-P J2-S

SD+ SD–

J1-28 J1-27

RxD/TxD+ RxD/TxD–

Twisted pair no. 5 <—

<—

J2-R J2-T

RD+ RD–

J1-20 J1-19

TxCE/TxC+ TxCE/TxC–

Twisted pair no. 2 —>

—>

J2-U J2-W

SCTE+ SCTE–

H1975

J1-46 J1-45 J1-16 J1-15

J1-1 J1-30 J1-31 J1-60

Connectors are not to scale.

60-pin connector (J1)

34-pin connector (J2)

J2-B J2-D J2-A J2-C

J2-KK J2-MM J2-LL J2-NN

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Serial Connection Signals and Pinouts

J1-26 J1-25

RxC/TxCE+ RxC/TxCE–

Twisted pair no. 4 <—

<—

J2-V J2-X

SCR+ SCR–

J1-24 J1-23

TxC/RxC+ TxC/RxC–

Twisted pair no. 3 <—

<—

J2-Y J2-AA

SCT+ SCT–

Table B-13 V.35 DCE Cable Pinout (DB-60 to Winchester-Type 34-Pin)

60-Pin Signal Name Type Direction 34-Pin Signal Name

J1-49 J1-48

MODE_1 GND

Shorting group – – –

J1-50 J1-51

MODE_0 GND

Shorting group – – –

J1-53 J1-54 J1-55 J1-56

TxC/NIL RxC_TxCE RxD/TxD GND

Shorting group – – –

J1-46 Shield_GND Single – J2-A Frame GND

J1-45 Shield

Circuit_GND–Twisted pair no. 12 –

–

J2-B Shield

Circuit GND –

J1-35 Shield

CTS/RTS –

Twisted pair no. 8 <—

–

J2-C Shield

RTS –

J1-42 Shield

RTS / CTS –

Twisted pair no. 9 —>

–

J2-D Shield

CTS –

J1-43 Shield

DTR/DSR –

Twisted pair no. 10 —>

–

J2-E Shield

DSR –

J1-44 Shield

LL/DCD –

Twisted pair no. 11 —>

–

J2-F Shield

RLSD –

J1-34 Shield

DSR/DTR –

Twisted pair no. 7 <—

–

J2-H Shield

DTR –

J1-33 Shield

DCD/LL –

Twisted pair no. 6 <—

–

J2-K ShieldLT–

J1-28 J1-27

RxD/TxD+ RxD/TxD–

Twisted pair no. 5 <—

<—

J2-P J2-S

SD+ SD–

J1-18 J1-17

TxD/RxD+ TxD/RxD–

Twisted pair no. 1 —>

—>

J2-R J2-T

RD+ RD–

J1-26 J1-25

RxC/TxCE+ RxC/TxCE–

Twisted pair no. 4 <—

<—

J2-U J2-W

SCTE+ SCTE–

J1-22 J1-21

NIL/RxC+ NIL/RxC–

Twisted pair no. 3 —>

—>

J2-V J2-X

SCR+ SCR–

J1-20 J1-19

TxCE/TxC+ TxCE/TxC–

Twisted pair no. 2 —>

—>

J2-Y J2-AA

SCT+ SCT–

Table B-12 V.35 DTE Cable Pinout (DB-60 to Winchester-Type 34-Pin) (continued)

60-Pin Signal Name Type Direction 34-Pin Signal Name

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Serial Connection Signals and Pinouts

X.21 Interface

This section contains the following topics:

• X.21 Connections

• X.21 Serial Cable Assembly

X.21 Connections

The X.21 interface uses a 15-pin connection for balanced circuits and is commonly used in the United Kingdom to connect public data networks. X.21 relocates some of the logic functions to the DTE and DCE interfaces and, as a result, requires fewer circuits and a smaller connector than EIA/TIA-232.

The network end of the X.21 adapter cable is a standard DB-15 connector. (See Figure B-13.) X.21 cables are available as either DTE (DB-15 plug) or DCE (DB-15 receptacle).

Figure B-13 X.21 Adapter Cable Connectors, Network End

X.21 Serial Cable Assembly

Figure B-14 shows the X.21 serial cable assembly. Ta ble B-14 lists the DTE pinout and Tab l e B- 1 5 lists

the DCE pinout.

Arrows indicate signal direction: —> means DTE to DCE and <— means DCE to DTE.

Figure B-14 X.21 Serial Cable Assembly

DCE

DTE

H1346a

H1974

60-pin connector (J1)

34-pin connector (J2)

Connectors are not to scale.

J2-8 J2-15

J2-9 J2-1

J1-46 J1-45 J1-16 J1-15

J1-1 J1-30 J1-31 J1-60

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Serial Connection Signals and Pinouts

Table B-14 X.21 DTE Cable Pinout (DB-60 to DB-15)

60-Pin Signal Name Type Direction 15-Pin Signal Name

J1-48 J1-47

GND MODE_2

Shorting group - – –

J1-51 J1-52

GND MODE_DCE

Shorting group – – –

J1-46 Shield_GND Single – J2-1 Shield GND

J1-11 J1-12

TXD/RXD+ TXD/RXD–

Twisted pair no. 3 —>

—>

J2-2 J2-9

Transmit+ Transmit–

J1-9 J1-10

RTS / CTS+ RTS / CTS–

Twisted pair no. 2 —>

—>

J2-3 J2-10

Control+ Control–

J1-28 J1-27

RXD/TXD+ RXD/TXD–

Twisted pair no. 6 <—

<—

J2-4 J2-11

Receive+ Receive–

J1-1 J1-2

CTS/RTS+ CTS/RTS–

Twisted pair no. 1 <—

<—

J2-5 J2-12

Indication+ Indication–

J1-26 J1-25

RXC/TXCE+ RXC/TXCE–

Twisted pair no. 5 <—

<—

J2-6 J2-13

Timing+ Timing–

J1-15 Shield

Control_GN D –

Twisted pair no. 4 –

–

J2-8 Shield

Control GND –

Table B-15 X.21 Serial DCE Cable Pinout (DB-60 to DB-15)

60 Pin Signal Name Type Direction 15 Pin Signal Name

J1-48 J1-47

GND MODE_2

Shorting group – – –

J1-46 Shield_GND Single – J2-1 Shield GND

J1-28 J1-27

RXD/TXD+ RXD/TXD–

Twisted pair no. 6 <—

<—

J2-2 J2-9

Transmit+ Transmit–

J1-1 J1-2

CTS/RTS+ CTS/RTS–

Twisted pair no. 1 <—

<—

J2-3 J2-10

Control+ Control–

J1-11 J1-12

TXD/RXD+ TXD/RXD–

Twisted pair no. 3 —>

—>

J2-4 J2-11

Receive+ Receive–

J1-9 J1-10

RTS/CTS+ RTS/CTS–

Twisted pair no. 2 —>

—>

J2-5 J2-12

Indication+ Indication–

J1-24 J1-23

TXC/RXC+ TXC/RXC–

Twisted pair no. 4 —>

—>

J2-6 J2-13

Timing+ Timing–

J1-15 Shield

Control_GN D –

Twisted pair no. 5 –

–

J2-8 Shield

Control GND –

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Appendix B Cable Specifications

Serial Connection Signals and Pinouts

EIA-530 Interface

This section contains the following topics:

• EIA-530 Connections

• EIA-530 Serial Cable Assembly

EIA-530 Connections

EIA-530, which supports balanced transmission, provides the increased functionality, speed, and distance of EIA/TIA-449 on the smaller DB-25 connector used for EIA/TIA-232, instead of the 37-pin connectors used for EIA/TIA-449. Like EIA/TIA-449, EIA-530 refers to the electrical specifications of EIA/TIA-422 and EIA/TIA-423. Although the specification recommends a maximum speed of 2 Mbps, EIA-530 is used successfully at 4 Mbps or faster speeds over short distances.

The EIA-530 adapter cable is available in DTE mode only. The network end of the EIA-530 adapter cable is a standard DB-25 plug commonly used for EIA/TIA-232 connections. Figure B-15 shows the DB-25 connector at the network end of the adapter cable.

Figure B-15 EIA-530 Adapter Cable Connector, Network End

EIA-530 Serial Cable Assembly

Figure B-16 shows the EIA-530 serial cable assembly, and Ta ble B-16 lists the pinout. Arrows indicate

signal direction: —> means DTE to DCE and <— means DCE to DTE.

The EIA-530 interface cannot be operated in DCE mode, and no DCE cable is available for it.

Figure B-16 EIA-530 Serial Cable Assembly

DTE

H1615a

H1972

60-pin connector (J1) 25-pin connector (J2)

Connectors are not to scale.

J2-13 J2-25

J2-14 J2-1

J1-46 J1-45 J1-16 J1-15

J1-1 J1-30 J1-31 J1-60

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Serial Connection Signals and Pinouts

Table B-16 EIA-530 DTE Cable Pinout (DB-60 to DB-25)

60-Pin Signal Name 25-Pin Signal Name Direction

J1-11 J1-12

TXD/RXD+ TXD/RXD–

J2-2 J2-14

BA(A), TXD+ BA(B), TXD–

—> —>

J1-28 J1-27

RXD/TXD+ RXD/TXD–

J2-3 J2-16

BB(A), RXD+ BB(B), RXD–

<— <—

J1-9 J1-10

RTS/CTS+ RTS/CTS–

J2-4 J2-19

CA(A), RTS + CA(B), RTS –

—> —>

J1-1 J1-2

CTS/RTS+ CTS/RTS–

J2-5 J2-13

CB(A), CTS+ CB(B), CTS–

<— <—

J1-3 J1-4

DSR/DTR+ DSR/DTR–

J2-6 J2-22

CC(A), DSR+ CC(B), DSR–

<— <—

J1-46 J1-47

Shield_GND MODE_2

J2-1 –

Shield –

Shorted

J1-48 J1-49

GND MODE_1

– –

Shorted

J1-5 J1-6

DCD/DCD+ DCD/DCD–

J2-8 J2-10

CF(A), DCD+ CF(B), DCD–

<— <—

J1-24 J1-23

TXC/RXC+ TXC/RXC–

J2-15 J2-12

DB(A), TXC+ DB(B), TXC–

<— <—

J1-26 J1-25

RXC/TXCE+ RXC/TXCE–

J2-17 J2-9

DD(A), RXC+ DD(B), RXC–

<— <—

J1-44 J1-45

LL/DCD Circuit_GND

J2-18 J2-7

LL Circuit_ GND

—> –

J1-7 J1-8

DTR/DSR+ DTR/DSR–

J2-20 J2-23

CD(A), DTR+ CD(B), DTR–

—> —>

B-24

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Appendix B Cable Specifications

Smart Serial Connection Signals and Pinouts

The Smart Serial cable interface supports two independent serial interface ports. Each port supports six types of serial interfaces: EIA/TIA-232, EIA/TIA-449, X.21, V.35 in both DTE and DCE modes, and EIA530/EIA530A in DTE mode. The serial end of the Smart Serial cable is a 26-pin connector. These cables are used with the 2-port serial and 2-port asynchronous/synchronous WAN interface cards.

Figure B-17 shows the serial transition cables you can connect to the DB-60 port on the

asynchronous/synchronous serial modules and serial WAN interface card.

Figure B-17 Smart Serial Interface Adapter Cables

J1-13

J1-14

TXCE/TXC+ TXCE/TXC–

J2-24 J2-11

DA(A), TXCE+ DA(B), TXCE–

—> —>

J1-51

J1-52

GND MODE_DCE––

– –

Shorted

Table B-16 EIA-530 DTE Cable Pinout (DB-60 to DB-25) (continued)

60-Pin Signal Name 25-Pin Signal Name Direction

Router connections

EIA/TIA-449 V.35 X.21

Network connections at the modem or CSU/DSU

H2485

EIA/TIA-232 EIA-530

B-25

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Appendix B Cable Specifications

Smart Serial Connection Signals and Pinouts

EIA/TIA-232 Smart Serial Cable Assembly

Table B-17 lists the DTE pinout and Table B-18 lists the DCE pinout for the EIA/TIA-232 Smart Serial

cable. Arrows indicate signal direction: —> means DTE to DCE and <— means DCE to DTE.

Table B-17 EIA/TIA-232 DTE Smart Serial Cable Pinout

26-Pin Signal Name Note Direction

DB-25 Pin Signal Name

J1-23 J1-24

MODE_0 MODE_DCE

Local connections

Drain wire

Shield — J2-01 Shield_GND

J1-05 J1-18

I_RXD/TXD+ GND+

Twisted pair no. 9 <—

—

J2-03 RXD

GND

J1-01 J1-14

O_TXD/RXD+ GND+

Twisted pair no. 5 —>

—

J2-02 TXD

GND

J1-11 J1-12

I_CTS/RTS+ I_DSR/DTR+

Twisted pair no. 2 <—

<—

J2-05 J2-06

CTS DSR

J1-08 J1-07

O_RTS/CTS O_DTR/DSR+

Twisted pair no. 4 —>

—>

J2-04 J2-20

RTS DTR

J1-06 J1-19

B_DCD/DCD+ GND+

Twisted pair no. 1 <—

—

J2-08 J2-07

DCD GND

J1-03 J1-16

B_TXC/TXC+ GND+

Twisted pair no. 7 <—

—

J2-15 TXC

GND

J1-02 J1-15

O_TXCE/RXC + GND+

Twisted pair no. 6 —>

—

J2-24 TXCE

GND

J1-13 J1-26

B_LL/LL+ GND+

Twisted pair no. 3 —>

—

J2-18 LTST

GND

J1-04 J1-17

I_RXC/TXCE + GND+

Twisted pair no. 8 <—

–

J2-17 RXC

GND

Table B-18 EIA/TIA-232 DCE Smart Serial Cable Pinout

26-Pin Signal Name Note Direction

DB-25 Pin Signal Name

J1-23 MODE_0 Local connections

Drain wire

Shield — J2-01 Shield_GND

J1-05 J1-18

I_RXD/TXD+ GND+

Twisted pair no. 5 <—

—

J2-02 TXD

GND

J1-01 J1-14

O_TXD/RXD+ GND+

Twisted pair no. 9 —>

—

J2-03 RXD

GND

B-26

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Appendix B Cable Specifications

Smart Serial Connection Signals and Pinouts

EIA/TIA-449 Smart Serial Cable Assembly

Table B-19 lists the DTE pinout and Table B-20 lists the DCE pinout for the EIA/TIA-449 Smart Serial

cable. Arrows indicate signal direction: —> means DTE to DCE and <— means DCE to DTE.

J1-11

J1-12

I_CTS/RTS+ I_DSR/DTR+

Twisted pair no. 2 <—

<—

J2-04 J2-20

RTS DTR

J1-08

J1-07

O_RTS/CTS O_DTR/DSR+

Twisted pair no. 4 —>

—>

J2-05 J2-06

CTS DSR

J1-06

J1-19

B_DCD/DCD+ GND+

Twisted pair no. 1 —>

—

J2-08 J2-07

DCD GND

J1-03

J1-16

B_TXC/TXC+ GND+

Twisted pair no. 7 —>

—

J2-15 TXC

GND

J1-02

J1-15

O_TXCE/RXC + GND+

Twisted pair no. 8 —>

—

J2-17 RXC

GND

J1-13

J1-26

B_LL/LL+ GND+

Twisted pair no. 3 <—

—

J2-18 LTST

GND

J1-04

J1-17

I_RXC/TXCE + GND+

Twisted pair no. 6 <—

–

J2-24 TXCE

GND

Table B-18 EIA/TIA-232 DCE Smart Serial Cable Pinout (continued)

26-Pin Signal Name Note Direction

DB-25 Pin Signal Name

Table B-19 EIA/TIA-449 DTE Smart Serial Cable Pinout

26-Pin Signal Name Note Direction

DB-37 Pin

Signal Name

Drain

wire

Shield — J2-01 Shield_GN

J1-22

J1-24

MODE_I MODE_DCE

Twisted pair no. 2 —

—

J2-19 J2-20SGRC

J1-01

J1-14

O_TXD/RXD+ O_TXD/RXD–

Twisted pair no. 5 —>

—>

J2-04 J2-22

SD+ SD–

J1-03

J1-16

B_TXC/TXC+ B_TXC/TXC–

Twisted pair no. 7 <—

<—

J2-05 J2-23

ST+ ST–

J1-05

J1-18

I_RXD/TXD+ I_RXD/TXD–

Twisted pair no. 9 <—

<—

J2-06 J2-24

RD+ RD–

J1-08

J1-09

O_RTS/CTS O_RTS/CTS–

Twisted pair no. 1 —>

—>

J2-07 J2-25

RS+ RS–

J1-04

J1-17

I_RXC/TXCE + I_RXC/TXCE–

Twisted pair no. 8 <—

<—

J2-08 J2-26

RT+ RT–

B-27

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Appendix B Cable Specifications

Smart Serial Connection Signals and Pinouts

J1-11 J1-10

I_CTS/RTS+ I_CTS/RTS–

Twisted pair no. 4 <—

<—

J2-09 J2-27

CS+ CS–

J1-13 J1-26

B_LL/LL+ GND+

Twisted pair no. 12 —>

—

J2-10 J2-37LLSC

J1-12 J1-25

I_DTR/DSR+ I_DTR/DSR–

Twisted pair no. 10 <—

<—

J2-11 J2-29

DM+ DM–

J1-07 J1-20

O_DTR/DSR+ O_DTR/DSR–

Twisted pair no. 3 —>

—>

J2-12 J2-30

TR+ TR–

J1-02 J1-15

O_TXCE/RXC + O_TXCE/RXC –

Twisted pair no. 6 —>

—>

J2-17 J2-35

TT+ TT–

J1-06 J1-19

B_DCD/DCD+ B_DCD/DCD–

Twisted pair no. 11 <—

<—

J2-13 J2-31

RR+ RR–

Table B-20 EIA/TIA-449 DCE Smart Serial Cable Pinout

26-Pin Signal Name Note Direction

DB-37 Pin

Signal Name

Drain wire

Shield — J2-01 Shield_GN

J1-22 MODE_I Twisted pair no. 2 —

Not used

J2-19 J2-20SGRC

J1-05 J1-18

I_RXD/TXD+ I_RXD/TXD–

Twisted pair no. 5 <—

<—

J2-04 J2-22

SD+ SD–

J1-03 J1-16

B_TXC/TXC+ B_TXC/TXC–

Twisted pair no. 7 —>

—>

J2-05 J2-23

ST+ ST–

J1-01 J1-14

O_TXD/RXD+ O_TXD/RXD–

Twisted pair no. 9 —>

—>

J2-06 J2-24

RD+ RD–

J1-11 J1-10

I_CTS/RTS+ I_CTS/RTS–

Twisted pair no. 1 <—

<—

J2-07 J2-25

RS+ RS–

J1-02 J1-15

O_TXCE/RXC + O_TXCE/RXC –

Twisted pair no. 8 —>

—>

J2-08 J2-26

RT+ RT–

J1-08 J1-09

O_RTS/CTS O_RTS/CTS–

Twisted pair no. 4 —>

—>

J2-09 J2-27

CS+ CS–

J1-06 J1-19

B_DCD/DCD+ B_DCD/DCD–

Twisted pair no. 11 —>

—>

J2-13 J2-31

RR+ RR–

J1-07 J1-20

O_DTR/DSR+ O_DTR/DSR–

Twisted pair no. 10 —>

—>

J2-11 J2-29

DM+ DM–

Table B-19 EIA/TIA-449 DTE Smart Serial Cable Pinout (continued)

26-Pin Signal Name Note Direction

DB-37 Pin

Signal Name

B-28

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Appendix B Cable Specifications

Smart Serial Connection Signals and Pinouts

X.21 Smart Serial Cable Assembly

Table B-21lists the DTE pinout and Table B-22 lists the DCE pinout for the X.21 Smart Serial cable.

Arrows indicate signal direction: —> means DTE to DCE and <— means DCE to DTE.

J1-12

J1-25

I_DTR/DSR+ I_DTR/DSR–

Twisted pair no. 3 <—

<—

J2-12 J2-30

TR+ TR–

J1-13

J1-26

B_LL/LL+ GND+

Twisted pair no. 12 —>

—

J2-10 J2-37LLSC

J1-04

J1-17

I_RXC/TXCE + I_RXC/TXCE–

Twisted pair no. 6 <—

<—

J2-17 J2-35

TT+ TT–

Table B-20 EIA/TIA-449 DCE Smart Serial Cable Pinout (continued)

26-Pin Signal Name Note Direction

DB-37 Pin

Signal Name

Table B-21 X.21 DTE Smart Serial Cable Pinout

26-Pin Signal Name Note Direction

DB-15 Pin Signal Name

J1-21

J1-24

MODE_2 MODE_DCE

Local connections

Drain

wire

Shield — J2-01 Shield_GND

J1-05

J1-18

I_RXD/TXD+ I_RXD/TXD–

Twisted pair no. 8 <—

<—

J2-04 J2-11

RECEIVE+ RECEIVE–

J1-01

J1-14

O_TXD/RXD+ O_TXD/RXD–

Twisted pair no. 5 —>

—>

J2-03 J2-09

TRANSMIT+ TRANSMIT–

J1-11

J1-10

I_CTS/RTS+ I_DSR/DTR+

Twisted pair no. 2 <—

<—

J2-05 J2-12

INDICATION + INDICATION –

J1-08

J1-09

O_RTS/CTS O_DTR/DSR+

Twisted pair no. 3 —>

—>

J2-03 J2-10

CONTROL+ CONTROL–

J1-26 GND+

Not used

Twisted pair no. 1 — J2-08 CCT GND

Not used

J1-04

J1-17

I_RXC/TXCE + I_RXC/TXCE–

Twisted pair no. 7 <—

<—

J2-06 J2-13

TIMING+ TIMING–

Not used Twisted pair no. 4 Not used

Not used Twisted pair no. 6 Not used

Not used Twisted pair no. 9 Not used

B-29

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Appendix B Cable Specifications

Smart Serial Connection Signals and Pinouts

V.35 Smart Serial Cable Assembly

Table B-23 lists the DTE pinout and Tabl e B- 24 lists the DCE pinout for the V.35 Smart Serial cable.

Arrows indicate signal direction: —> means DTE to DCE and <— means DCE to DTE.

Table B-22 X.21 DCE Smart Serial Cable Pinout

26-Pin Signal Name Note Direction

DB-15 Pin Signal Name

J1-21 MODE_2 Local connections

Drain wire

Shield — J2-01 Shield_GND

J1-05 J1-18

I_RXD/TXD+ I_RXD/TXD–

Twisted pair no. 5 <—

<—

J2-02 J2-09

TRANSMIT+ TRANSMIT–

J1-01 J1-14

O_TXD/RXD+ O_TXD/RXD–

Twisted pair no. 8 —>

—>

J2-04 J2-11

RECEIVE+ RECEIVE–

J1-11 J1-10

I_CTS/RTS+ I_DSR/DTR+

Twisted pair no. 3 <—

<—

J2-03 J2-10

CONTROL+ CONTROL–

J1-08 J1-09

O_RTS/CTS O_DTR/DSR+

Twisted pair no. 2 —>

—>

J2-05 J2-12

INDICATION + INDICATION –

J1-02 J1-15

O_TXCE/RXC + O_TXCE/RXC +

Twisted pair no. 7 —>

—>

J2-06 J2-13

TIMING+ TIMING–

J1-26 GND

Not used

Twisted pair no. 1 — J2-08 CCT GND

Not used

Not used Twisted pair no. 4 Not used

Not used Twisted pair no. 6 Not used

Not used Twisted pair no. 9 Not used

Table B-23 V.35 DTE Smart Serial Cable Pinout

26-Pin Signal Name Note Direction

V.35 Pin Signal Name

J1-22 J1-23 J1-24

MODE_1 MODE_0 MODE_DCE

Local connections

Drain wire

Shield — J2-A Shield_GND

J1-06 J1-19

B_DCD/DCD+ GND+

Twisted pair no. 1 <—

—

J2-F RLSD

GND

J1-13 J1-26

B_LL/LL+ GND

Twisted pair no. 3 —>

—

J2-K J2-BLTGND

B-30

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Appendix B Cable Specifications

Smart Serial Connection Signals and Pinouts

J1-05

J1-18

I_RXD/TXD+ I_RXD/TXD–

Twisted pair no. 9 <—

<—

J2-R J2-T

RD+ RD–

J1-01

J1-14

O_TXD/RXD+ O_TXD/RXD–

Twisted pair no. 5 —>

—>

J2-P J2-S

SD+ SD–

J1-11

J1-12

I_CTS/RTS+ I_DSR/DTR+

Twisted pair no. 2 <—

<—

J2-D J2-E

CTS DSR

J1-08

J1-07

O_RTS/CTS O_DTR/DSR+

Twisted pair no. 4 —>

—>

J2-C J2-H

RTS DTR

J1-04

J1-17

I_RXC/TXCE + I_RXC/TXCE–

Twisted pair no. 8 <—

<—

J2-V J2-X

SCR+ SCR–

J1-02

J1-15

O_TCXE/RXC + 0_TXCE/RXC –

Twisted pair no. 6 —>

—>

J2-U J2-W

SCTE+ SCTE–

J1-03

J1-16

B_TXC/TXC+ B_TXC/TXC–

Twisted pair no. 7 <—

<—

J2-Y J2-AA

SCT+ SCT–

Table B-24 V.35 DCE Smart Serial Cable Pinout

26-Pin Signal Name Note Direction

V.35 Pin Signal Name

J1-22

J1-23

MODE_1 MODE_0

Local connections

Drain

wire

Shield — J2-A Shield_GND

J1-06

J1-19

B_DCD/DCD+ GND+

Twisted pair no. 1 —>

—

J2-F RLSD

GND

J1-13

J1-26

B_LL/LL+ GND

Twisted pair no. 3 —>

—

J2-K J2-BLTGND

J1-05

J1-18

I_RXD/TXD+ I_RXD/TXD–

Twisted pair no. 5 <—

<—

J2-P J2-S

SD+ SD–

J1-01

J1-14

O_TXD/RXD+ O_TXD/RXD–

Twisted pair no. 9 —>

—>

J2-R J2-T

RD+ RD–

J1-11

J1-12

I_CTS/RTS+ I_DSR/DTR+

Twisted pair no. 4 <—

<—

J2-C J2-H

RTS DSR

J1-08

J1-07

O_RTS/CTS O_DTR/DSR+

Twisted pair no. 2 —>

—>

J2-D J2-E

CTS DSR

J1-04

J1-17

I_RXC/TXCE + I_RXC/TXCE–

Twisted pair no. 6 <—

<—

J2-U J2-W

SCTE+ SCTE–

Table B-23 V.35 DTE Smart Serial Cable Pinout (continued)

26-Pin Signal Name Note Direction

V.35 Pin Signal Name

B-31

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Appendix B Cable Specifications

Smart Serial Connection Signals and Pinouts

EIA-530 Smart Serial Cable Assembly

Table B-25 lists the DTE pinout and Table B-26 lists the DCE pinout for the EIA-530 Smart Serial cable.

Arrows indicate signal direction: —> means DTE to DCE and <— means DCE to DTE.

J1-02 J1-15

O_TCXE/RXC + 0_TXCE/RXC –

Twisted pair no. 8 —>

—>

J2-V J2-X

SCR+ SCR–

J1-03 J1-16

B_TXC/TXC+ B_TXC/TXC–

Twisted pair no. 7 —>

—>

J2-Y J2-AA

SCT+ SCT–

Table B-24 V.35 DCE Smart Serial Cable Pinout (continued)

26-Pin Signal Name Note Direction

V.35 Pin Signal Name

Table B-25 EIA-530 DTE Smart Serial Cable Pinout

26-Pin Signal Name Note Direction

DB-25 Pin Signal Name

J1-21 J1-23 J1-24

MODE_2 MODE_0 MODE_DCE

Local connections

Drain wire

Shield — J2-01 Shield_GND

J1-06 J1-19

B_DCD/DCD+ B_DCD/DCD–

Twisted pair no. 11 <—

<—

J2-08 j2-10

CF(A); DCD+ CF(B); DCD–

J1-13 J1-26

B_LL/LL+ GND

Twisted pair no. 12 —>

—

J2-18 J2-07LLGND

J1-05 J1-18

I_RXD/TXD+ I_RXD/TXD–

Twisted pair no. 9 <—

<—

J2-03 J2-16

BB(A); RXD+ BB(B); RXD–

J1-01 J1-14

O_TXD/RXD+ O_TXD/RXD–

Twisted pair no. 5 —>

—>

J2-02 J2-14

BA(A); TXD+ BA(B); TXD–

J1-11 J1-10

I_CTS/RTS+ I_DSR/RTS–

Twisted pair no. 4 <—

<—

J2-05 J2-13

CB(A); CTS+ CB(B); CTS–

J1-03 J1-16

B_TXC/TXC+ B_TXC/TXC–

Twisted pair no. 7 <—

<—

J2-15 J2-12

DB(A); TXC+ DB(B); TXC–

J1-12 J1-25

I_DSR/DTR+ I_DSR/DTR–

Twisted pair no. 10 <—

<—

J2-06 J2-22

CC(A); DSR+ CC(B); DSR–

J1-08 J1-09

O_RTS/CTS O_RTS/CTS–

Twisted pair no. 1 —>

—>

J2-04 J2-19

CA(A); RTS+ CA(B); RTS–

J1-04 J1-17

I_RXC/TXCE + I_RXC/TXCE–

Twisted pair no. 8 <—

<—

J2-17 J2-09

DD(A); RXC+ DD(B); RXC–

B-32

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Appendix B Cable Specifications

Smart Serial Connection Signals and Pinouts

J1-02

J1-15

O_TCXE/RXC + 0_TXCE/RXC –

Twisted pair no. 6 —>

—>

J2-24 J2-11

DB(A); TXCE+ DB(B); TXCE–

J1-03

J1-16

B_TXC/TXC+ B_TXC/TXC–

Twisted pair no. 7 <—

<—

J2-15 J2-12

DB(A); TXC+ DB(B); TXC–

J1-07

J1-20

O_DTR/DSR+ O_DTR/DSR–

Twisted pair no. 3 —>

—>

J2-20 J2-23

CD(A); DTR+ CD(B); DTR–

Not used Twisted pair no. 2 Not used

Table B-26 RS-530A DCE Smart Serial Cable Pinout

26-Pin Signal Name Note Direction

DB-25 Pin Signal Name

J1-21

J1-22

J1-24

MODE_2 MODE_1 MODE_DCE

Local connections

Drain

wire

Shield — J2-01 Shield_GND

J1-06

J1-19

B_DCD/DCD+ B_DCD/DCD–

Twisted pair no. 11 <—

<—

J2-08 j2-10

CF(A); DCD+ CF(B); DCD–

J1-13

J1-26

B_LL/LL+ GND

Twisted pair no. 12 —>

—

J2-18 J2-07LLAB; GND

J1-05

J1-18

I_RXD/TXD+ I_RXD/TXD–

Twisted pair no. 9 <—

<—

J2-03 J2-16

BB(A); RXD+ BB(B); RXD–

J1-01

J1-14

O_TXD/RXD+ O_TXD/RXD–

Twisted pair no. 5 —>

—>

J2-02 J2-14

BA(A); TXD+ BA(B); TXD–

J1-11

J1-10

I_CTS/RTS+ I_DSR/RTS–

Twisted pair no. 4 <—

<—

J2-05 J2-13

CB(A); CTS+ CB(B); CTS–

J1-12

J1-25

I_DSR/DTR+ GND

Twisted pair no. 10 <—

—

J2-06 CC(A); DSR+

AC; GND

J1-03

J1-16

B_TXC/TXC+ B_TXC/TXC–

Twisted pair no. 7 <—

<—

J2-15 J2-12

DB(A); TXC+ DB(B); TXCS–

J1-08

J1-09

O_RTS/CTS O_RTS/CTS–

Twisted pair no. 1 —>

—>

J2-04 J2-19

CA(A); RTS+ CA(B); RTS–

J1-04

J1-17

I_RXC/TXCE + I_RXC/TXCE–

Twisted pair no. 8 <—

<—

J2-17 J2-09

DD(A); RXC+ DD(B); RXC–

Table B-25 EIA-530 DTE Smart Serial Cable Pinout (continued)

26-Pin Signal Name Note Direction

DB-25 Pin Signal Name

B-33

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Appendix B Cable Specifications

Smart Serial Connection Signals and Pinouts

J1-02 J1-15

O_TCXE/RXC + 0_TXCE/RXC –

Twisted pair no. 6 —>

—>

J2-24 J2-11

DB(A); TXCE+ DB(B); TXCE–

J1-03 J1-16

B_TXC/TXC+ B_TXC/TXC–

Twisted pair no. 7 <—

<—

J2-15 J2-12

DB(A); TXC+ DB(B); TXC––

J1-07 J1-20

O_DTR/DSR+ GND+

Twisted pair no. 3 —>

—

J2-20 J2-23

CD(A); DTR+ AC; GND

Not used Twisted pair no. 2 Not used

Table B-26 RS-530A DCE Smart Serial Cable Pinout (continued)

26-Pin Signal Name Note Direction

DB-25 Pin Signal Name

B-34

Cisco MWR 1941-DC Mobile Wireless Edge Router Hardware Installation Guide

78-15827-06B0

Appendix B Cable Specifications

Smart Serial Connection Signals and Pinouts

Cisco MWR 1941-DC - 1941 Mobile Wireless Router, MWR-1941-DC-2T1 - MWR 1941 Mobile Wireless Edge Router, MWR 1941-DC Hardware Installation Manual

Specifications and Main Features

Frequently Asked Questions

User Manual