Cisco MDS 9148T Hardware Installation Manual

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Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

First Published: 2018-04-10

Last Modified: 2018-04-11

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The following information is for FCC compliance of Class B devices: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If the equipment causes interference to radio or television reception, which can be determined by turning the equipment off and on, users are encouraged to try to correct the interference by using one or more of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and receiver.

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• Consult the dealer or an experienced radio/TV technician for help.

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CONTENTS

CHAPTER 1

CHAPTER 2

CHAPTER 3

Preface 1

Audience 1

Document Conventions 1

Related Documentation

The documentation set for the Cisco MDS 9000 Series Switches includes the following documents.

Release Notes

http://www.cisco.com/c/en/us/support/storage-networking/mds-9000-nx-os-san-os-software/ products-release-notes-list.html

Regulatory Compliance and Safety Information

http://www.cisco.com/c/en/us/td/docs/switches/datacenter/mds9000/hw/regulatory/compliance/RCSI.html

Compatibility Information

http://www.cisco.com/c/en/us/support/storage-networking/mds-9000-nx-os-san-os-software/ products-device-support-tables-list.html

Installation and Upgrade

http://www.cisco.com/c/en/us/support/storage-networking/mds-9000-nx-os-san-os-software/ products-installation-guides-list.html

Configuration

http://www.cisco.com/c/en/us/support/storage-networking/mds-9000-nx-os-san-os-software/ products-installation-and-configuration-guides-list.html

CLI

http://www.cisco.com/c/en/us/support/storage-networking/mds-9000-nx-os-san-os-software/ products-command-reference-list.html

Troubleshooting and Reference

http://www.cisco.com/c/en/us/support/storage-networking/mds-9000-nx-os-san-os-software/ tsd-products-support-troubleshoot-and-alerts.html

To find a document online, use the Cisco MDS NX-OS Documentation Locator at:

http://www.cisco.com/c/en/us/td/docs/storage/san_switches/mds9000/roadmaps/doclocater.html

Obtaining Documentation and Submitting a Service Request

For information on obtaining documentation, using the Cisco Bug Search Tool (BST), submitting a service request, and gathering additional information, see What's New in Cisco Product Documentation.

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Preface

Obtaining Documentation and Submitting a Service Request

To receive new and revised Cisco technical content directly to your desktop, you can subscribe to the What's

New in Cisco Product Documentation RSS feed. RSS feeds are a free service.

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Obtaining Documentation and Submitting a Service Request

Preface

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

CHAPTER 2

Overview of Cisco MDS 9148T Fibre Channel Switch

The Cisco MDS 9148T switch has 48 x 4/8/16/32-Gbps multispeed ports and is a powerful and compact 1-rack unit (1RU) SAN fabric switch. This switch has the following major features:

• Provides consistent 32-Gbps quality performance for every Fibre Channel port on the switch.

• Provides availability and reliability similar to the previous generations of the Cisco MDS9000 Series switches. Additionally, port-channel link members can be used across the three 16-port port groups providing additional high availability.

• Provides minimum configuration option of twenty four 32-Gbps Fibre Channel ports in the base variant, which can be enabled in increments of 8 ports to up to 48 ports. This allows four possible configurations of 24, 32, 40, and 48 ports.

• Supports enterprise-class features, such as Auto Zone, Smart Zoning, Slow Drain Detection and Isolation, Virtual SAN (VSAN) and Inter-VSAN routing (IVR), and migration from fabricwide Quality of Service (QoS) from SAN islands to enterprisewide storage networks.

• Provides intelligent diagnostics tools such as Inter-Switch Link (ISL) diagnostics, HBA diagnostics with leading HBA vendors, read diagnostic parameters, protocol decoding, network analysis tools, and integrated Cisco Call Home.

• Supports the Virtual Machine Identifier (VMID) feature that provides visibility into virtual machines that are accessing the storage devices in the fabric.

• Supports Representational State Transfer (REST) and Cisco NX-API capabilities.

• Supports onboard hardware that protects the switch from malicious attacks by securing access to critical components such as the bootloader, system image loader, and Joint Test Action Group (JTAG) interface.

• Switch Overview, on page 5

• Chassis Components, on page 8

Switch Overview

Front View

The following figure shows the front view of a Cisco MDS 9148T Switch:

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Switch Overview

Overview of Cisco MDS 9148T Fibre Channel Switch

Figure 1: Front View of the Cisco MDS 9148T Switch

Link status LED6

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Activity status LED7Serial console port1

Ethernet management ports (2)8System status LED2

Fixed FC ports9Power status LED3

FC port status LEDs (48)10Fan status LED4

Airflow grill11USB port5

Overview of Cisco MDS 9148T Fibre Channel Switch

Rear View

The following figure shows the rear view of a Cisco MDS 9148T Switch:

Figure 2: Rear View of the Cisco MDS 9148T Switch

Switch Overview

Power supply status LED6Power supply failure status LED1

Power supply units (2 units)7Power supply unit fan2

Chassis fan modules (4 units)8Power supply unit handle3

Chassis fan module release latches (8)9Unswitched power receptacle4

Power supply unit latch release5

Side View

The following figure shows the side view of a Cisco MDS 9148T Switch:

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Chassis Components

Overview of Cisco MDS 9148T Fibre Channel Switch

Figure 3: Side View of the Cisco MDS 9148T Switch

Chassis Components

Fan Modules

The Cisco MDS 9148T Switch fan modules have a fixed handle for insertion and removal from the chassis. The Cisco MDS 9148T Switch requires a minimum of two operating fan modules to prevent automatic shutdown. It supports up to four fan modules. This provides redundancy for uninterrupted operation in the event of fan module failure. The Cisco MDS 9148T Switch fan modules are hot-swappable to also allow swapping out of a fan module during operation for uninterrupted operation. During a fan module replacement, the internal airflow through the chassis is changed. If the internal airflow is disrupted for too long, the preset temperature thresholds will be exceeded and the system will automatically shut down to prevent permanent damage.

Rack mounting holes3Grounding point1

Rear side of the switch4Port side of the switch2

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Overview of Cisco MDS 9148T Fibre Channel Switch

Figure 4: Cisco MDS 9148T Fan Module

To facilitate different data center cooling configurations of hot or cold aisles and racks, there are two models of fan modules. The first type has airflow with port-side intake and exhaust at the rear of the chassis. The second type has airflow in the opposite direction, that is, rear-chassis intake and port-side exhaust. The airflow direction is denoted on each fan module as follows:

Power Supplies

For more information on installing and removing fan modules, see Installing and Removing Fan Modules.

Power Supplies

The Cisco MDS 9148T Switch PSUs have an unswitched power receptacle, a PSU status LED and a handle for insertion and removal of the PSU from the chassis. The Cisco MDS 9148T Switch requires a minimum of one operating PSU. It supports up to two PSUs. This provides redundancy for uninterrupted operation in the event of PSU or grid failure. The PSUs are hot-swappable to allow swapping out of a PSU during operation for uninterrupted operation. During a PSU replacement, the internal airflow through the chassis is changed. If the internal airflow is disrupted for too long, the preset temperature thresholds will be exceeded and the system will automatically shut down to prevent permanent damage.

Figure 5: Cisco MDS 9148T PSU

• Red—Port-side intake airflow

• Blue—Port-side exhaust airflow

To facilitate different data center cooling configurations of hot or cold aisles and racks, there are two models of PSUs. The first type has airflow with port-side intake and exhaust at the rear of the chassis. The second

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

LEDs

Overview of Cisco MDS 9148T Fibre Channel Switch

type has airflow in the opposite direction, that is, rear-chassis intake and port-side exhaust. The airflow direction is denoted on each PSU as follows:

• Red—Port-side intake airflow

• Blue—Port-side exhaust airflow

The switch supports PSUs of only one airflow type at a time. Both PSUs have to be either port-side exhaust, or port-side intake PSUs.

Note

The direction of PSU airflow must match the direction of the fan module airflow.

For more information on installing and removing PSUs, see Installing and Removing Power Supply Units.

The Cisco MDS 9148T switch has LEDs on both the front and back of the switch to indicate the status of different system components during bootup tests and online operation. The following tables describe the location of each LED and the meaning of its color:

Table 1: Chassis Activity LEDs for a Cisco MDS 9148T Switch

Power LED

Front panel of the chassis

Power/Health

StateStatusColorFunctionLocationIndicator

OffOffChassis

Either of the following conditions exists:

• The system is not receiving sufficient power from the PSUs.

• The operating system is not running.

Solid OnGreen

Both PSUs are installed and operational.

Solid OnRed

Either of the following conditions exists:

• A PSU has failed.

• A PSU has been removed.

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Overview of Cisco MDS 9148T Fibre Channel Switch

LEDs

StateStatusColorFunctionLocationIndicator

Status LED

the chassis

System StatusFront panel of

Solid OnGreen

All diagnostics have passed, Cisco NX-OS is running and the system is operational.

Solid OnOrange

Any of the following conditions exists:

• The system is running bootup diagnostics.

• The system is booting.

• A minor temperature threshold is exceeded.

BlinkingRed

Mismatched airflow direction observed in one of the following modules:

• Fan modules—The switch will go down in 10-15 seconds.

• PSUs—The switch will go down after 10 minutes.

Fan status

Front panel of the chassis

Solid On

Solid onGreenFan health

• Fan modules and PSUs—The switch will go down after 10 minutes.

One of the following conditions exists:

• A diagnostic test failed or another fault occurred during bootup.

• A major temperature threshold is exceeded.

All fan modules are operational.

Fan failure.Solid onRed

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

LEDs

Overview of Cisco MDS 9148T Fibre Channel Switch

StateStatusColorFunctionLocationIndicator

PSU Status Indicators

Fan Status

each PSU

Faceplate of each fan module

PSU input/outputFaceplate of

No input to the PSU.OffGreen

PSU output is OK.Solid on

Blinking

PSU output is not OK, but input is OK.

AmberPSU operation

Solid on

PSU is operating normally.Off

One of the following conditions exists in the PSU:

Over voltage

Over current

Over temperature

Fan failure.

Blinking

PSU has a fault, but is still operational.

Solid onGreenFan module

Fan module is operating normally.

Solid onAmber

The fan in the fan module has failed.

The following table describes the Ethernet port LEDs for a Cisco MDS 9148T switch.

StateStatusLED

Position

There is no link.OffLeft

Solid Green

Indicates a physical link.

OffRight

There is no link traffic.

Indicates link traffic.Blinking

Yellow

The following table describes the Fibre Channel port LEDs for a Cisco MDS 9148T switch.

StateStatus

The link is up.Solid Green

The link is up and the port beacon is active.Regular Blinking Green

The link is up (and traffic is flowing through the port).Intermittent Blinking

Green

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Overview of Cisco MDS 9148T Fibre Channel Switch

LEDs

StateStatus

The link is disabled by the software.Solid Orange

A fault condition exists.Blinking Orange

No link.Off

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

LEDs

Overview of Cisco MDS 9148T Fibre Channel Switch

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Cabinet and Rack Installation

• Cabinet and Rack Requirements, on page 15

Cabinet and Rack Requirements

This section provides the Cisco MDS 9000 Series switches requirements for the following types of cabinets and racks in an external ambient air temperature range of 0 to 40°C. If you are selecting an enclosed cabinet, we recommend that you choose one of these thermally validated types:

• Standard perforated cabinets

• Solid-walled cabinets with a roof fan tray (bottom-to-top cooling)

General Requirements for Cabinets and Racks

A cabinet or rack must belong to one of the following types:

• Standard 19-in. four-post EIA cabinet or rack, with mounting posts that conform to English universal hole spacing per section 1 of ANSI/EIA-310-D-1992. See Requirements Specific to Perforated Cabinets and Requirements Specific to Solid-Walled Cabinets.

CHAPTER 3

• Standard two-post telco rack, with mounting posts that conform to English universal hole spacing per section 1 of ANSI/EIA-310-D-1992.

The cabinet or rack must also meet the following requirements:

• The minimum vertical rack space per chassis should be 1 RU, equal to 1.75 in. (4.4 cm).

• The width between the inside edges of the mounting posts must be at least 17.75 in. (45.1 cm). This is the distance between the two front posts of the four-post EIA racks.

• The minimum rack-load ratings per RU are listed in the following table:

MDS 9148TRack Type

7.5 lb (3.4 kg)EIA (4 post)

15 lb (6.8 kg)Telco (2 post)

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Requirements Specific to Perforated Cabinets

For four-post EIA cabinets (perforated or solid-walled):

• The distance between the front door and front mounting posts should be a minimum of 3 in. (7.6 cm) to allow for the bend radius of FC port fibre-optic patch cables.

• The distance between the outside face of the front mounting post and the outside face of the back mounting post should be 26 to 32 in. (66 to 81 cm) to allow for installation with the Cisco rack mounting kit.

• The distance between the rear of the chassis and the perforated rear door of the cabinet (required for airflow in the cabinet, if used) should be a minimum of 3.0 in. (7.6 cm).

• No clearance is required between the chassis and the sides of the rack or cabinet (no side airflow).

• The amount of clearance required for interface cables is 3 in. [7.6 cm] minimum and module handles is 1 in. [25 mm] minimum.

Cabinet and Rack Installation

Note

• Optional jumper power cords are available for use in a cabinet.

• Cisco MDS 9148T switches are compatible with Cisco racks (such as Cisco R42612) and PDUs.

Requirements Specific to Perforated Cabinets

In addition to the requirements listed in the General Requirements for Cabinets and Racks, on page 15 section, perforated cabinets with front-to-back airflow must meet the following requirements:

• The front and rear doors must have at least a 60 percent open area perforation pattern, with at least 15 sq. in. (96.7 sq cm) of open area per rack unit of door height.

• We recommend that the roof be perforated with at least 20 percent open area, unless the cabinet only contains Cisco MDS 9148T switch, in which case the roof does not have to be perforated.

• We recommend an open or perforated cabinet floor to enhance cooling but it is not required.

Reference Perforated Cabinet

A perforated cabinet that conforms to the above requirements is available from Rittal Corporation:

Rittal Corporation One Rittal Place Springfield, OH 45504 Phone: (800) 477-4000 Cabinet P/N: Rittal 9969427 Cabinet description: PS-DK/OEM Cabinet Assembly, 1998 x 600 x 1000 (H x W x D) (42U)

Requirements Specific to Solid-Walled Cabinets

In addition to the requirements listed in the General Requirements for Cabinets and Racks, on page 15 section, solid-walled cabinets must meet the following requirements:

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Cabinet and Rack Installation

Requirements Specific to Solid-Walled Cabinets

• A roof-mounted fan tray and an air-cooling scheme in which the fan tray pulls air in at the bottom of the cabinet and sends it out from the top, with a minimum airflow of 849.5 m3/h exiting the cabinet roof through the fan tray, to be available.

• Nonperforated (solid and sealed) front and back doors and side panels to be present so that air travels predictably from bottom to top.

• The overall cabinet depth to be 36 to 42 in. (91.4 to 106.7 cm) to allow the doors to close and to facilitate adequate airflow.

• A minimum of 150 sq. in. (968 sq. cm) of open area to be available at the floor air intake of the cabinet.

• The lowest piece of equipment to be installed at a minimum of 1 RU (1.75 in. or 4.4 cm) above the floor openings to prevent blockage of the floor intake.

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Requirements Specific to Solid-Walled Cabinets

Cabinet and Rack Installation

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

CHAPTER 4

Installing the Cisco MDS 9148T Switch

This chapter describes how to install a Cisco MDS 9148T switch and its components.

Before you install, operate, or service the system, see the Regulatory Compliance and Safety Information for

the Cisco MDS 9000 Family document for important safety information.

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. Statement 1017

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

Statement 1030

• Preinstallation, on page 19

• Installing the Switch, on page 26

• Grounding the Switch, on page 33

• Installing and Removing Components, on page 34

Preinstallation

Cisco MDS 9000 Series Telco and EIA Shelf Bracket

The optional Telco and EIA Shelf Bracket Kit (part number DS-SHELF=) can temporarily or permanently support the Cisco MDS 9148T switch during installation. After the front rack-mount brackets are securely attached to the rack-mounting rails, the shelf bracket can be removed.

The Telco and EIA Shelf Bracket kit supports the following configurations:

• A Cisco MDS 9148T Switch in a two-post Telco rack

• A Cisco MDS 9148T Switch in a four-post EIA rack

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Shelf-Installation Guidelines

Note

Telco and EIA Shelf Bracket optional kit is not provided with the switch; to order the kit, contact your switch supplier.

This section describes the procedure for installing a Cisco MDS 9148T switch in a rack or cabinet using the optional Telco and EIA Shelf Bracket Kit.

Shelf-Installation Guidelines

Installing the Cisco MDS 9148T Switch

Caution

• If the rack is on wheels, ensure that the brakes are engaged or the rack is otherwise stabilized.

• If you are installing this kit in an EIA rack, attach the shelf to all four rack-mounting posts; the EIA posts may not be thick enough to prevent flexing of shelf brackets if only two posts are used.

Before Installing the Shelf Brackets

Before installing the shelf brackets, inspect the contents of your kit. The following table lists the contents of the shelf bracket kit:

Required Equipment

Part DescriptionQuantity

Slider brackets2

Shelf brackets2

Crossbar1

10-32 x 3/8-in. Phillips pan-head screws2

12-24 x 3/4-in. Phillips screws16

10-24 x 3/4-in. Phillips screws16

You need the following equipment for this installation:

• Number 2 Phillips screwdriver

• Tape measure and level (to ensure that shelf brackets are at level with each other)

Installing the Shelf Bracket Kit into a Two-Post Telco Rack

The following figure shows the installation of the shelf bracket kit into a two-post Telco rack:

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Installing the Cisco MDS 9148T Switch

Figure 6: Installing the Shelf Bracket Kit into a Telco Rack

Installing the Shelf Bracket Kit into a Four-Post EIA Rack

10-32 screws3Rack-mounting post1

Crossbar4Shelf bracket2

To install the shelf brackets in a Telco rack, follow these steps:

Step 1 Position a shelf bracket inside a rack-mounting post as shown in Figure 6: Installing the Shelf Bracket Kit into a Telco

Rack, on page 21 and align the screw holes at the front of the shelf bracket with the holes in the rack-mounting post.

Then, attach the shelf bracket to the rack-mounting post using a minimum of four 12-24 or 10-24 screws.

Note

The bottom hole of the shelf bracket should align with the bottom hole (the hole immediately above the 1/2 in. spacing) of a rack unit on the rack-mounting post.

Step 2 Repeat Step 1 with the other shelf brackets.

Step 3 Verify that the shelf brackets are at the same height (using the level or tape measure, as desired).

Step 4 Attach the crossbar to the rear of the shelf brackets, as shown in Figure 6: Installing the Shelf Bracket Kit into a Telco

Rack, on page 21, using the 10-32 screws.

Installing the Shelf Bracket Kit into a Four-Post EIA Rack

The following figure shows the installation of the shelf bracket kit into a four-post EIA rack:

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Installing the Shelf Bracket Kit into a Four-Post EIA Rack

Figure 7: Installing the Shelf Bracket Kit into an EIA Rack

Installing the Cisco MDS 9148T Switch

Crossbar4Rack-mounting post1

10-32 screws5Shelf bracket2

Slider post3

To install the shelf brackets in an EIA rack, follow these steps:

Step 1 Position a shelf bracket inside the rack-mounting posts, as shown in Figure 7: Installing the Shelf Bracket Kit into an

EIA Rack, on page 22. Align the screw holes at the front of the shelf bracket with the holes in the front rack-mounting

post. Then, attach the shelf bracket to the front rack-mounting post using a minimum of four 12-24 or 10-24 screws.

Note

The bottom hole of the shelf bracket should align with the bottom hole (the hole immediately above the 1/2 in. spacing) of a rack unit on the rack-mounting post.

Step 2 Repeat Step 1 with the other shelf brackets.

Step 3 Verify that the shelf brackets are at the same height (using the level or tape measure, as desired).

Step 4 Attach the crossbar to the shelf brackets, as shown in Figure 7: Installing the Shelf Bracket Kit into an EIA Rack, on page

22, using the 10-32 screws.

Step 5 Insert the slider posts into the shelf brackets, as shown in Figure 7: Installing the Shelf Bracket Kit into an EIA Rack, on

page 22. Attach them to the rear rack-mounting posts, using a minimum of four 12-24 or 10-24 screws.

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Installing the Cisco MDS 9148T Switch

Preinstallation Guidelines

Airflow Considerations

The switch comes with fan modules and power supply units that have either port-side intake or port-side exhaust airflow for cooling the switch. If you are orienting the switch with the FC ports facing a cold aisle, make sure that the switch has a port-side intake fan and power supply modules with red colorings. If you are orienting the switch with the fan and power supply modules facing a cold aisle, make sure that the switch has port-side exhaust fan and power supply units with blue colorings. All fan modules and power-supply modules must have the same direction of airflow.

Connection Guidelines for AC-Powered Systems

To connect to the Cisco MDS 9396T switch AC power supply units to the site power source, follow these guidelines:

• For power redundancy, each power supply should be connected to a separate power feed (at a minimum, separate branch circuits).

• Circuits should be sized according to local and national codes.

Preinstallation Guidelines

• The AC power receptacles that are used to power the chassis must be the grounding type. The grounding conductors that connect to the receptacles should connect to protective earth ground in the service equipment.

Installation Guidelines

Follow these guidelines when installing the Cisco MDS 9148T switch:

• Each new switch requires a license. See the Cisco MDS 9000 Family NX-OS Licensing Guide for instructions on installing a license.

• Plan your site configuration and prepare the site before installing the switch.

• Ensure that there is adequate space around the switch to allow for servicing the switch and for adequate airflow. The airflow requirements are listed the Technical Specifications section.

• Ensure that you are positioning the switch in a rack so that it takes in cold air from the cold aisle and exhausts air to the hot aisle. For more information, see the Airflow Considerations section.

• Ensure that the air-conditioning meets the heat dissipation requirements listed in the Technical

Specifications section.

• Ensure that the cabinet or rack meets the requirements listed in the Cabinet and Rack Installation section.

• Ensure that the chassis is adequately grounded. If the switch is not mounted in a grounded rack, we recommend that you connect both the system ground on the chassis and the site power ground to an earth ground.

• Ensure that the site power meets the power requirements listed in the Technical Specifications section. If available, you can use an uninterruptible power supply (UPS) to protect against power failures.

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Unpacking and Inspecting the Switch

Installing the Cisco MDS 9148T Switch

Caution

Avoid UPS types that use ferro-resonant technology. These UPS types can become unstable with systems such as the Cisco MDS 9000 Series, triggered by substantial current draw fluctuations due to fluctuating data traffic patterns.

• Ensure that electrical circuits are sized according to local and national codes.

For North America, the 650 W power supplies require a 15 A circuit. If you are using a 200 or 240 VAC power source in North America, the circuit must be protected by a two-pole circuit breaker.

Caution

To prevent loss of input power, ensure that the total maximum loads on the circuits supplying power to the switch are within the electrical current ratings for circuit for wiring and breakers.

Unpacking and Inspecting the Switch

Caution

When handling switch components, wear an ESD strap and handle modules using only the carrier edges.

Tip

Retain the shipping container in case the chassis has to be shipped in the future.

Note

The switch is thoroughly inspected before shipment. If any damage occurs during transportation, or if any item is missing, contact your customer representative immediately. If you purchased Cisco support through a Cisco reseller, contact the reseller directly. If you purchased support directly from Cisco, contact Cisco

Technical Support.

To inspect the shipment, follow these steps:

1. Compare the shipment to the equipment list provided by your customer service representative and verify that you have received all items, including the following:

• Grounding lug kit

• Rack-mount kit

• ESD wrist strap

• Cables and connectors

• Optional items, if any, ordered

2. Check for damage and report any discrepancies or damage, to your customer service representative. Have the following information ready:

• Invoice number of shipper (see packing slip)

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Installing the Cisco MDS 9148T Switch

3. Check if all the power supplies and the fan trays have the expected direction of airflow. Port-side intake

NEBS Compliance

In case of port-side intake airflow, the chassis is not Network Equipment-Building System (NEBS) compliant by default. To be NEBS compliant, install the NEBS kit by performing these steps:

1. Install the NEBS rack-mount brackets onto the switch.

2. Install the NEBS air baffle by aligning the notches on the baffle with the slots on the brackets and sliding

NEBS Compliance

• Model and serial number of the damaged unit

• Description of damage

• Effect of damage on the installation

airflow modules have a red coloring, and port-side exhaust airflow modules have blue coloring. For more information, see thePower Supplies and Fan Modules sections.

the ends of the baffle so that the baffle locks into place.

Figure 8: NEBS Kit for 2-Post Installation

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Installing the Switch

Installing the Cisco MDS 9148T Switch

Figure 9: NEBS Kit for 4-Post Installation

For more information on how to install the switch, see the Installing the Switch in a 4-Post Rack and Installing

the Switch into a 2-Post Rack.

Installing the Switch

This section describes how to use the rack mount kit to install the Cisco MDS 9148T switch into a cabinet or rack that meets the requirements described in the Cabinet and Rack Requirements section.

Installing the Switch in a 4-Post Rack

To install the switch, you must attach the front and rear mounting guides to the switch, install the slider rails on the rear of the rack, slide the switch into the slider rails, and secure the switch to the front of the rack. Typically, the front of the rack is the side that is easiest to access for maintenance.

Before you begin

• Inspect the switch shipment to ensure that you have everything you ordered.

• Make sure that the switch rack-mount kit includes the following parts:

notch3NEBS air baffle1

slot4NEBS rack-mount brackets2

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Installing the Cisco MDS 9148T Switch

• Rack-mount brackets (2)

• Rack-mount guides (2)

• Slider rails (2)

• M4 x 0.7 x 8-mm Phillips countersink screws (12)

• The rack is installed and secured to its location.

• If your switch must meet NEBS standards, ensure that it is configured to be compliant. For more information, see the NEBS Compliance.

• Determine how you want to set up your switch:

1. Determine which end of the chassis is to be located in the cold aisle as follows:

Installing the Switch in a 4-Post Rack

1. If the switch has port-side intake modules (fan modules and power supply units with red coloring), position the switch so that its ports are in the cold aisle.

2. If the switch has port-side exhaust modules (fan modules and power supply units with blue coloring), position the switch so that its fan modules and power supply units are in the cold aisle.

2. Determine which way the chassis should slide in and out of the rack—port-side entry first or rear-side entry first. You might consider whether the front or back of the rack provides better clearance for maneuvering the chassis in and out during installation and servicing. The end that needs to enter the rack first requires the guides and the other end the brackets.

Step 1 Install two rack-mount brackets to the switch as follows:

1. Position a rack-mount bracket so that four of its screw holes are aligned to the screw holes on the side of the chassis. You can align any four of the holes in the rack-mount bracket to four of the six screw holes on the side of the chassis. The holes that you use depend on the requirements of your rack and the amount of clearance. For more information on clearance, see the General Requirements for Cabinets and Racks, on page 15.

2. You can install the rack-mount bracket either at the front or rear of the chassis. The choice is determined by which end of the chassis will be inserted into the rack first. If the rear end of the chassis is to be inserted first, then mount the brackets on the front of the chassis, and vice versa.

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Installing the Switch in a 4-Post Rack

Figure 10: Installing Rack-Mount Brackets on the Front Side of the Chassis

Installing the Cisco MDS 9148T Switch

Rack-mount guide3.Four M4 screws1.

Two M4 screws4Rack-mount bracket2.

3. Secure the rack-mount bracket to the chassis using the four M4 screws and tighten each screw to 12 in-lb (1.36 N·m) of torque.

4. Repeat Step 1 for the other rack-mount bracket on the other side of the switch, and be sure to position it in the same distance from the front of the switch.

Step 2 Install the two rack-mount guides on the chassis, as follows:

1. Align the two screw holes on a rack-mount guide to the middle two screw holes in the remaining six screw holes on a side of the chassis.

2. Attach the guide to the chassis using two M4 screws. Tighten the screws to 12 in-lb (1.36 N·m) of torque.

3. Repeat Step 2 for the other rack-mount guide on the other side of the switch.

Step 3 If you are installing the chassis into an ungrounded rack, you must attach a customer-supplied grounding wire to the

chassis, as explained in Grounding the Switch. However, if you are installing the chassis into a grounded rack, you can skip this step.

Step 4 Install the slider rails into the rack or cabinet, as follows:

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Installing the Cisco MDS 9148T Switch

1. Determine which two posts of the rack or cabinet you should use for the slider rails. Of the four vertical posts in the rack or cabinet, two will be used for the rack-mount brackets, and the other two posts will have the slider rails.

2. Position a slider rail at the desired level side of the rack and use two 12-24 screws or two 10-32 screws, depending on the rack thread type, to attach the slider rail to the rack. Tighten the 12-24 screws to 30 in-lb (3.39 N·m) of torque, or tighten the 10-32 screws to 20 in-lb (2.26 N·m) of torque.

3. Repeat Step 3 to attach the other slider rail to the other side of the rack.

To make sure that the slider rails are at the same level, you should use a level tool or tape measure, or carefully count the screw holes in the vertical mounting posts.

Step 5 Insert the switch into the rack and attach it as follows:

Installing the Switch in a 4-Post Rack

1. Holding the switch with both hands, position the two rack-mount guides on the switch between the rack or cabinet posts that do not have slider rails attached to them.

2. Align the two rack-mount guides on either side of the switch with the slider rails installed in the rack. Slide the guides onto the slider rails, and then gently slide the switch all the way into the rack until the brackets come in contact with two rack or cabinet posts.

Note

If you attached a grounding cable to the chassis, you will need to flex one of the rack-mount posts slightly to allow the grounding lug to go behind the post.

Direction of insertion3.Fan-tray end of the chassis1.

Slider rails4.rack-mount screws2.

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Installing the Cisco MDS 9148T Switch

Installing the Switch into a 2-Post Rack

3. Holding the chassis level, insert two screws (12-24 or 10-32, depending on the rack type) into each of the two brackets (using a total of four screws), and into the cage nuts or threaded holes in the rack or cabinet posts.

4. Tighten the 10-32 screws to 20 in-lb (2.26 N·m), or tighten the 12-24 screws to 30 in-lb (3.39 N·m).

Step 6 If you have attached a grounding wire to the chassis grounding pad, connect the other end of the wire to the facility

ground.

Installing the Switch into a 2-Post Rack

Before you begin

• If your switch must meet NEBS standards, ensure that it is configured to be compliant. For more information, see the NEBS Compliance.

• Determine how you want to set up your switch:

• Determine which end of the chassis is to be located in the cold aisle as follows:

1. If the switch has port-side intake modules (fan modules and power supply units with red coloring), position the switch so that its ports are in the cold aisle.

2. If the switch has port-side exhaust modules (fan modules and power supply units with blue coloring), position the switch so that its fan modules and power supply units are in the cold aisle.

• Determine which way the chassis should slide in and out of the rack—port side entry first or rear-side entry first. You might consider whether the front or back of the rack provides better clearance for maneuvering the chassis in and out during installation and servicing. The end that needs to enter the rack first requires the guides and the other end the brackets.

Step 1 Install two rack–mount brackets onto the switch as follows:

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Installing the Cisco MDS 9148T Switch

Figure 11: Installing Rack-Mount Brackets on the Front Side of the Chassis

Installing the Switch into a 2-Post Rack

Step 2 If you are installing the chassis into an ungrounded rack, you must attach a customer-supplied grounding wire to the

chassis, as explained in Grounding the Switch. However, if you are installing the chassis into a grounded rack, you can skip this step.

Step 3 Install the switch onto the 2-post rack:

1. Holding the switch with both hands, position the back of the switch between the two posts of the rack. Then gently move the switch until the rack-mount brackets come in contact with two rack posts.

2. Holding the chassis level, insert three screws (12-24 or 10-32, depending on the rack type) into each of the two rack-mount brackets (using a total of six screws) and into the cage nuts or threaded holes in the rack or cabinet posts.

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Installing the Switch into a 2-Post Rack

Figure 12: Installing the Switch onto the 2-Post Rack From the Front Side of the Chassis

Installing the Cisco MDS 9148T Switch

Figure 13: Installing the Switch onto the 2-Post Rack From the Rear Side of the Chassis

3. Tighten the 10-32 screws to 20 in-lb (2.26 N.m) or tighten the 12-24 screws to 30 in-lb (3.39 N.m).

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Installing the Cisco MDS 9148T Switch

Grounding the Switch

Step 4 If you have attached a grounding wire to the chassis grounding pad, connect the other end of the wire to the facility

ground.

Grounding the Switch

The switch chassis is automatically grounded when you install the switch properly in a grounded rack with metal-to-metal connections between the switch and rack.

Alternatively, you can ground the chassis (this is required if the rack is not grounded) by attaching a customer-supplied grounding cable to the chassis grounding pad and the facility ground.

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. Statement 1024

Warning

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

Statement 1046

Step 1 Use a wire-stripping tool to remove approximately 0.75 in. (1.9 cm) of the covering from the end of the grounding wire.

Step 2 Insert the stripped end of the grounding wire into the open end of the grounding lug, and use a crimping tool to crimp

the lug to the wire. Verify that the ground wire is securely attached to the grounding lug by attempting to pull the wire out of the crimped lug.

Step 3 Remove the label covering the grounding pad on the chassis. Secure the grounding lug to the chassis grounding pad with

two M4 screws, and tighten each screw to 11.5 to 15 in-lb (1.3 to 1.7 N·m) of torque.

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Installing and Removing Components

Figure 14: Grounding the Switch

Installing the Cisco MDS 9148T Switch

Step 4 Prepare the other end of the grounding wire and connect it to an appropriate grounding point in your site to ensure an

adequate earth ground for the switch. If the rack is fully bonded and grounded, connect the grounding wire, as explained in the documentation provided by the vendor from whom you bought the rack.

Installing and Removing Components

Warning

Caution

Installing the ESD Grounding Strap

Hazardous voltage or energy is present on the backplane when the system is operating. Use caution when servicing. Statement 1034

During this procedure, wear grounding wrist straps to avoid ESD damage to the switch.

This section illustrates how to prepare yourself before removing the chassis from the sealed antistatic bag.

The figures show how to cuff the ESD strap around the wrist and the ground cord that connects the cuff to the ground. ESD wrist straps are the primary means of controlling static charge on personnel.

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Installing the Cisco MDS 9148T Switch

Note

These images are for only representation purposes. The chassis' actual appearance and size may vary.

Figure 15: Wearing the ESD Strap

Installing the ESD Grounding Strap

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Installing and Removing Power Supply Units

Figure 16: Handling the Chassis

Installing the Cisco MDS 9148T Switch

Installing and Removing Power Supply Units

This section provides instructions for installing and removing the power supply units in the Cisco MDS 9148T switch.

Installing Power Supply Units

You can replace one power supply unit (PSU) while the other one provides power to the switch.

Before you begin

• To implement n+n redundancy, each PSU must be connected to a separate power feed. Otherwise, only one power feed is required.

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Installing the Cisco MDS 9148T Switch

Removing Power Supply Units

• There must be an earth ground connection to the chassis to which you are installing the replacement module. Typically, the chassis is grounded by its metal-to-metal connection with a grounded rack. If you need to ground the chassis, see Grounding the Switch.

Step 1 Holding the PSU with one hand underneath it and the other hand holding the handle, turn the PSU so that its release latch

is on the right side, and align the back end (the end with the electrical connections) to the open power supply slot. Carefully slide the PSU all the way into the slot until it clicks into place.

Note

If the PSU does not fit into the slot opening, turn the unit over and try again.

Step 2 Test the installation by trying to pull the PSU out of the slot without using the release latch.

If the PSU does not move out of place, it is secured in the slot. If the PSU moves, carefully press it all the way into the slot until it clicks in place.

Step 3 Attach the power cable to the electrical outlet on the front of the PSU.

Step 4 Make sure that the other end of the power cable is attached to the appropriate power feed for the PSU. If the power feed

has a switch, slide it to the On position.

Note

Depending on the outlet receptacle on your power distribution unit, you might need the optional jumper cable to connect the switch to your outlet receptacle.

Step 5 Verify that the PSU is operational by making sure that the PSU LEDs are both green. For information on what the PSU

LEDs indicate, see the LEDs section.

Removing Power Supply Units

You can remove one faulty PSU, while the other one provides enough power to operate the switch.

Step 1 Holding the plug for the power cable, pull the plug out from the power receptacle on the PSU, and wait until both the

PSU LEDs are off.

Step 2 Grasp the PSU handle while pressing the release latch towards the handle.

Step 3 Place your other hand under the PSU to support it while you slide it out of the chassis.

Caution

Do not touch the electrical connectors on the back side of the unit and prevent anything else from coming into contact with and damaging the connectors.

Installing and Removing Fan Modules

This section provides instructions for installing and removing the fan modules for the Cisco MDS 9148T switch.

You can replace one of the four fan modules even when the switch is operating so long as you perform the replacement within one minute of removing the old fan module. If you cannot perform the replacement within one minute, leave the original fan module in the chassis to maintain the designed airflow until you have the replacement fan module on hand and can perform the replacement.

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Installing a Fan Module

Installing the Cisco MDS 9148T Switch

Caution

If you are replacing a module during operation, be sure that the replacement fan module has the correct direction of airflow, which means that it has the same airflow direction as the other modules in the chassis. Also, be sure that the airflow direction takes in air from a cold aisle and sends it out to a hot aisle. Otherwise, the switch can overheat and shut down.

If you are changing the airflow direction of all the modules in the chassis, you must shut down the switch before replacing all the fan and power supply modules with modules using the other airflow direction. During operation, all the modules must have the same direction of airflow.

Installing a Fan Module

To install a new fan module, follow these steps:

Before you begin

• You must have a new fan module on hand and ready to install within one minute of removing the original fan module if the switch is operating.

• The new fan module must have the same airflow direction as the other fan and power supply modules installed in the switch. All of these modules must have either red coloring (port-side intake airflow) or blue coloring (port-side exhaust airflow).

• Remove any blank plate or existing fan module from the fan slot.

Step 1 Holding the fan module by its handle, align the back of the fan module (the side with the electrical connectors) to the

open fan slot in the chassis.

Step 2 Slide the fan module into the fan module bay until it clicks into place.

Step 3 Verify that the Status LED turns on and becomes green. For more information on what the LEDs indicate, see the LEDs.

Removing a Fan Module

The fan module is designed to be removed and replaced while the system is operating without presenting an electrical hazard or damaging the system.

Caution

Warning

The Cisco MDS 9000 Series Switches have internal temperature sensors that can shut down the system if the temperature within the chassis exceed certain safety thresholds. To accurately monitor the system temperature, the temperature sensors require sufficient airflow through the chassis. In the event that a fan module is removed from the chassis and the airflow is reduced, the system will bypass the temperature sensor information and shut down after five minutes to prevent undetected overheating. However, the switches will shut down sooner if the major temperature threshold is exceeded.

While removing the fan module, keep your hands and fingers away from the spinning fan blades. Let the fan blades completely stop before you remove the fan module. Statement 258

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Installing the Cisco MDS 9148T Switch

Removing a Fan Module

To remove an existing fan module, follow these steps:

Step 1 On the fan module that you are removing, press the two sides of the fan module handle next to where it connects to the

fan module and pull on the handles enough to unseat it from its connectors.

Step 2 Holding the handle, pull the module out of the chassis.

Caution

Do not touch the electrical connectors on the back side of the module and prevent anything else from coming into contact with and damaging the connectors.

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Removing a Fan Module

Installing the Cisco MDS 9148T Switch

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

CHAPTER 5

Connecting the Cisco MDS 9148T Switch

The Cisco MDS 9148T switch provides the following types of ports:

• Console port—An RS-232 port that you can use for a local management connection.

• MGMT 10/100/1000 Ethernet port—Two Ethernet ports that you can use to access and manage the switch by IP address, such as through the CLI or Fabric Manager. One of the Ethernet ports can also be used to export analytic data.

• Fibre Channel ports—Fibre Channel ports that you can use to connect to the SAN, or for in-band management.

• USB port—USB port for USB disk that you can use for configuration file backups, and capturing logs to file.

This chapter describes how to connect the various components of the Cisco MDS 9148T switch.

• Preparing for Network Connections, on page 41

• Connecting the Console Port, on page 42

• Connecting the Management Ports, on page 44

• Connecting to a Fibre Channel Port, on page 44

• Powering Up the Switch, on page 47

Preparing for Network Connections

When preparing your site for network connections to the Cisco MDS 9148T switch, consider the following for each type of interface:

• Cabling required for each interface type

• Distance limitations for each signal type

• Additional interface equipment needed

Before installing the component, have all the additional external equipment and cables available.

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Connecting the Console Port

This section describes how to connect the RS-232 console port to a PC. The console port allows you to perform the following functions:

• Configure the switch from the CLI.

• Monitor network statistics and errors.

• Configure SNMP agent parameters.

• Download software updates to the switch or distribute software images residing in flash memory to attached devices.

• Perform initial switch configuration

• Perform password recovery

Connecting the Cisco MDS 9148T Switch

Connecting the Console Port to a PC

You can connect the console port to a PC serial port for local administrative access to the Cisco MDS 9148T switch.

Note

The PC must support VT100 terminal emulation. The terminal emulation software—frequently a PC application, such as HyperTerminal Plus—makes the communication between the Cisco MDS 9148T switch and your PC possible during setup and configuration.

To connect the console port to a PC, follow these steps:

Step 1 Configure the baud rate and character format of the PC terminal emulation program to match the following management

port default characteristics:

• 9600 baud

• 8 data bits

• 1 stop bit

• No parity

Step 2 Attach the adapter required for your PC to its communication port. It must present an RJ-45 socket towards the switch.

• For a DB-9 serial port, attach the supplied RJ-45-to-DB-9 female adapter.

• For a DB-25 serial port, attach the supplied RJ-45-to-DB-25 female adapter.

• For a USB port, attach a customer-supplied USB-to-serial dongle.

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Connecting the Cisco MDS 9148T Switch

Connecting a Modem to a Console Port

Step 3 Connect one end of the supplied console cable (a rollover RJ-45-to-RJ-45 cable) to the console port. Connect the other

end to the female RJ-45 adapter attached to the PC communication port.

Connecting a Modem to a Console Port

Caution

Do not connect the console port to a modem while the switch is booting. Connect the console port to a modem either before powering the switch on or after the switch has completed the boot process.

To connect the console port to a modem before the switch is powered on, follow these steps:

Step 1 Connect the supplied console cable (a rollover RJ-45-to-RJ-45 cable) to the console port.

Step 2 Connect the other end of the console cable to the supplied RJ-45-to-DB-25 adapter.

Step 3 Connect the RJ-45-to-DB-25 adapter to the DB-25 port on the modem.

Step 4 Power on the switch. The switch boots automatically, and the following default console port characteristics are applied

to the modem connection:

• 9600 baud

• 8 data bits

• 1 stop bit

• No parity

• Default initialization string (ATE0Q1&D2&C1S0=1\015) if previously configured

Note

For instructions on how to change these settings, see the Cisco Fabric Manager Fundamentals Configuration

Guide.

To connect the console port to a modem after the switch is powered on, follow these steps:

Step 1 Ensure that the system has completed booting and the system image is running.

Step 2 Connect the supplied console cable (a rollover RJ-45-to-RJ-45 cable) to the console port.

Step 3 Connect the other end of the console cable to the supplied RJ-45-to-DB-25 adapter.

Step 4 Connect the RJ-45-to-DB-25 adapter to the DB-25 port on the modem.

Step 5 Initialize and configure the modem as specified in the Cisco Fabric Manager Fundamentals Configuration Guide and the

Cisco NX-OS Fundamentals Configuration Guide.

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Connecting the Management Ports

The autosensing 10/100/1000 Mbps Ethernet management ports are located on the left side of the front panel (labeled MGMT ETH0 and MGMT ETH1), below the console port. MGMT ETH0 is the default Ethernet management port (interface mgmt0). This port is used for out-of-band management and data streaming to remote receivers.

Note

The MGMT ETH1 port is disabled in Cisco MDS NX-OS Release 8.3(1).

Use a modular, RJ-45, straight-through UTP cable to connect the management ports to an external hub or switch. To connect to a router, use a crossover cable.

Connecting to a Fibre Channel Port

Connecting the Cisco MDS 9148T Switch

Warning

Note

The Fibre Channel ports in the Cisco MDS 9148T switch are compatible with FC LC-type fiber-optic SFP+ transceivers and cables (see the Removing and Installing Cables into SFP Transceivers section). You can use these ports to connect to the SAN or for in-band management. For information about configuring the switch for in-band management, see the Cisco Fabric Manager Fundamentals Configuration Guide or the Cisco

NX-OS Fundamentals Configuration Guide.

Each transceiver must match the transceiver at the other end of the cable, and the cable must not exceed the stipulated cable length for reliable communications. SFP+ transceivers can be ordered either separately or with the Cisco MDS 9148T switch.

Class 1 laser product. Statement 1008

Invisible laser radiation may be emitted from disconnected fibers or connectors. Do not stare into beams or view directly with optical instruments. Statement 1051

Wear an ESD wrist strap connected to the chassis when handling transceivers. Keep optical connectors covered when not in use, and do not touch connector ends. The fiber-optic connectors must be free of dust, oil, and other contaminants.

Removing and Installing Cables into SFP Transceivers

Caution

To prevent damage to the fiber-optic cables, do not place more tension on them than the rated limit and do not bend to a radius of less than one inch (2.5 cm) if there is no tension in the cable, or two inches (5 cm) if there is tension in the cable.

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Connecting the Cisco MDS 9148T Switch

Installing a Cable into an SFP Transceiver

Caution

To prevent possible damage to the cable or transceiver, install the transceiver in the port before installing the cable in the transceiver.

To install a cable into a transceiver, follow these steps:

Step 1 Attach an ESD-preventive wrist strap and follow its instructions for use.

Step 2 Remove the dust cover from the connector on the cable.

Step 3 Remove the dust plug from the cable end of the transceiver.

Step 4 Align the cable connector with the transceiver and insert the connector into the transceiver until it clicks into place.

Figure 17: Connecting an LC-Type Cable to a Fibre Channel Port

Caution

The LC connector has keys to allow insertion only one way into the transceiver. If the cable does not install easily, ensure that it is correctly oriented before continuing.

For instructions on verifying connectivity, see the Cisco Fabric Manager Fundamentals Configuration Guide and the

Cisco NX-OS Fundamentals Configuration Guide.

Removing a Cable from an SFP Transceiver

Caution

• When pulling a cable from a transceiver, grip the body of the connector. Do not pull on the jacket sleeve because this can compromise the fiber optic termination in the connector.

• If the cable does not remove easily, ensure that any latch present on the cable has been released before continuing.

To remove the cable, follow these steps:

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Connecting the Cisco MDS 9148T Switch

Removing and Installing SFP Transceivers

Step 1 Attach an ESD-preventive wrist strap and follow its instructions for use.

Step 2 Press the release latch on the cable, grasp the connector near the connection point, and gently pull the connector from

the transceiver.

Step 3 Insert a dust plug into the cable-end of the transceiver.

Step 4 Install a dust cover over the end of the cable.

Removing and Installing SFP Transceivers

Warning

Removing and installing an SFP transceiver can shorten its useful life. Do not remove and insert SFP transceivers more often than is absolutely necessary. We recommend that you disconnect the cables before installing or removing SFP transceivers to prevent damage to the cable or transceiver.

Note

Use only Cisco transceivers in the Cisco MDS 9148T switch. Each Cisco transceiver is encoded with model information that enables the switch to verify that the transceiver meets the requirements for the switch.

The Cisco MDS 9148T switch supports transceivers with the following types of latching devices:

• Mylar tab latch

• Bale-clasp latch

Installing an SFP Transceiver

To install an SFP+ transceiver, follow these steps:

Step 1 Attach an ESD-preventive wrist strap and follow its instructions for use.

Step 2 Remove the dust plug from the FC port.

Step 3 Insert the transceiver into the port.

Caution

The transceiver can only be inserted one way into the FC port. If the transceiver does not install easily, ensure that it is correctly oriented and the tab or clasp are in the correct position before continuing.

Step 4 Insert or leave the dust plug in the cable-end of the transceiver if a cable is not being installed in the transceiver.

Removing an SFP Transceiver

To remove an SFP+ transceiver, follow these steps:

Step 1 Attach an ESD-preventive wrist strap and follow its instructions for use.

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Connecting the Cisco MDS 9148T Switch

Maintaining SFP Transceivers and Fiber-Optic Cables

Step 2 Remove attached fibre-optic cables, if any. For more information, see the Removing a Cable from an SFP Transceiver

section.

Step 3 Remove the transceiver from the port:

• If the transceiver has a Mylar tab latch, gently pull the tab straight out (do not twist), and then pull the transceiver out of the port.

• If the transceiver has a bale-clasp latch, open the clasp by pressing it downwards, and then pull the transceiver out of the port.

Step 4 Insert a dust cover into the cable-end of the transceiver and place the transceiver on an antistatic mat or into a static

shielding bag.

Step 5 Protect the FC port by inserting a clean dust plug if another transceiver is not being installed.

Maintaining SFP Transceivers and Fiber-Optic Cables

SFP transceivers and fiber optic cables must be kept clean and dust-free to maintain high signal accuracy and prevent damage to the connectors. Attenuation (loss of light) is increased by contamination. Therefore, attenuation should be kept below 0.35 dB.

Follow these maintenance guidelines:

• SFP transceivers are static-sensitive. To prevent ESD damage, wear an ESD-preventive wrist strap that is connected to the chassis while handling transceivers.

• Do not remove and reinsert a transceiver more often than necessary. Repeated removals and insertions can shorten its useful life.

• Keep all optical connections covered when not in use. If they become dusty, clean them before using in order to prevent dust from scratching the fiber-optic cable ends.

• Do not touch the ends of connectors. This prevents fingerprints and other contamination of the connectors.

• Inspect cables before installation for dust and damage. If damage is suspected, clean the ends and check for excessive light loss with a light meter.

Powering Up the Switch

This section provides instructions for powering up the switch and verifying component installation.

Caution

During this procedure, wear grounding wrist straps to avoid ESD damage to the switch.

Note

Do not connect the MGMT ETH0 port to the LAN until the initial switch configuration has been performed through the console connection. For instructions on connecting this port, see the Connecting the Management

Ports section.

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Connecting the Cisco MDS 9148T Switch

Powering Up the Switch

To power up the switch and verify hardware operation, follow these steps:

Step 1 Verify that sufficient PSUs and fan modules are installed.

Step 2 Plug the power cables into the power supplies and arrange the cables so that they cannot be accidentally pulled out.

Note

Depending on the outlet receptacle on your power distribution unit, you may need the optional jumper power cord to connect the Cisco MDS 9148T Switch to your outlet receptacle.

Step 3 Connect the other end of the power cables to the site power outlets that have the required power specification.

Step 4 Ensure that the switch is adequately grounded, as described in the Grounding the Switch section.

Step 5 Connect a terminal device to the serial console port. For more information, see the Connecting the Console Port section.

Step 6 If using Power On Automatic Provisioning (POAP), insert the USB stick with the required files into the USB port.

Step 7 Turn the site power outlet switches to On. The switch boots automatically.

Step 8 Listen for the fans; they should begin operating as soon as the switch is powered on.

Note

Do not operate the switch without a functioning fan module, except briefly during the fan module replacement procedure. Cisco MDS 9000 Series Switches can operate for only a few minutes without any functioning fan modules before they begin to overheat.

Step 9 Verify that the LED behavior is as follows when the switch has finished booting:

• Fan status LED is green.

• Both LEDs on each PSU are green.

• The switch status LED is green. If this LED is orange or red, it indicates that one or more environmental monitors is reporting a problem.

• The Ethernet port link LEDs should not be On unless the cable is connected.

Note

The LEDs for the Fibre Channel ports remain orange until the ports are enabled, and the LED for the management port remains Off until the port is connected.

Step 10 If a component is not operating properly, try removing and reinstalling it. If it still does not operate correctly, contact

your customer service representative for a replacement.

Note

If you purchased Cisco support through a Cisco reseller, contact the reseller directly. If you purchased support directly from Cisco, contact Cisco Technical Support.

Step 11 Verify that the system software has booted and the switch has initialized without error messages. If any problems occur,

see the Cisco MDS 9000 Series System Messages Guide. If you cannot resolve an issue, contact your customer service representative.

Step 12 If not using POAP, manually complete the initial configuration of the switch via the automatically launched setup script

through the console connection.

Step 13 Complete the worksheets provided in Site Planning and Maintenance Records for future reference.

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Connecting the Cisco MDS 9148T Switch

Powering Up the Switch

Note

A setup utility is automatically launched the first time you boot the switch and guides you through the basic configuration. For instructions about how to configure the switch and check module connectivity, see the

Cisco Fabric Manager Fundamentals Configuration Guide.

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Powering Up the Switch

Connecting the Cisco MDS 9148T Switch

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Technical Specifications

• Switch Specifications, on page 51

• Power Specifications, on page 52

Switch Specifications

The following table lists the environmental specifications for the Cisco MDS 9148T switch:

Table 2: Environmental Specifications for the Cisco MDS 9148T Switch

nonoperating and storage

CHAPTER 6

SpecificationDescription

32 to 104°F (0 to 40°C)Temperature, ambient operating

-40 to 158°F (-40 to 70°C)Temperature, ambient nonoperating and storage

10 to 90%Humidity (RH), ambient (noncondensing) operating

10 to 95%Humidity (RH), ambient (noncondensing)

The following table lists the physical specifications for the Cisco MDS 9148T switch.

Table 3: Physical Specifications for the Cisco MDS 9148T Switch

Dimensions (HxWxD)

-197 to 6500 ft (-60 to 2000 m)Altitude, operating

SpecificationDescription

1.72 x 17.3 x 22.3 in. (4.37 x 43.94 x 56.64 cm) excluding PSU and fan module handles

Chassis requires 1 RU (1.75 in. or 4.45 cm)Rack Space

18.73 lb (8.5 kg)Weight

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Power Specifications

Technical Specifications

SpecificationDescription

Power Supply

Airflow

• 650-W AC, port-side exhaust variant (up to 2 per switch)

• 650-W AC, port-side intake variant (up to 2 per switch)

• AC input—100 to 240 V AC (10% range)

• Frequency—50 to 60 Hz (nominal)

• Back to front (toward ports) using port-side exhaust fans

• Front to back (into ports) using port-side intake fans

• 50 CFM (0.02 m3/s) through system fan assembly at 25°C

• 100 CFM (0.04 m3/s) maximum

We recommend that you maintain a minimum air space of 2.5 in. (6.4 cm) between walls and chassis air vents and a minimum horizontal separation of 6 in. (15.2 cm) between two chassis to prevent overheating.

Power Specifications

General Power Supply Specifications

The following table lists the specifications for the Cisco MDS 9148T switch AC power supply:

Table 4: Power Supply Specifications

SpecificationAC Input Power

100 to 240 VACAC input voltage

Nominal = 50 to 60 HzAC input frequency

650 WPower supply output capacity

20 msOutput holdup time

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Technical Specifications

Power Supply Requirement Specifications

The following table provides a sample calculation of power for the Cisco MDS 9148T switch AC power supply:

Table 5: Power Dissipation for AC Power Supply

Power Supply Requirement Specifications

Mode

PSUPower

VoltageTemperatureTraffic

Rate

Optics Speed

Optics Number

Fan Trays

Power at 110V/60HZ (Watts)

Power at 220V/50HZ (Watts)

25125742432G-SWNominal25°C50%2Typical

29730548

100%2Max

26026742432G-SWNominal25°C

3153234832G-LW

31532232G-SW40°C

34837432G-LW55°C

385403Nominal

+ 5%

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Power Supply Requirement Specifications

Technical Specifications

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

APPENDIX A

Cable and Port Specifications

This appendix includes information about the cables and connectors used with the Cisco MDS 9148T Multilayer Fabric Switch.

Caution

We strongly recommend that power cable runs and other potential noise sources be located as far away as practical from network cabling that terminates at Cisco equipment. In situations where long parallel cable runs exist, but cannot be separated by at least 3.3 ft. (1 m), we recommend that you shield these potential noise sources. To avoid interference, the source should be shielded by housing it in a grounded metallic conduit.

• Cables and Adapters, on page 55

• Console Port, on page 56

• Out of Band Ethernet Management Port, on page 57

• Supported Power Cords and Plugs, on page 59

Cables and Adapters

The Cisco MDS 9148T Switch accessory kit includes the following:

• 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)

Note

Additional cables and adapters can be ordered from your customer service representative.

Note

If you purchased this product through a Cisco reseller, contact the reseller directly for technical support. If you purchased this product directly from Cisco, contact Cisco Technical Support at

http://www.cisco.com/c/en/us/support/index.html.

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Console Port

The console port is an asynchronous RS-232 serial port with an RJ-45 connector. You can use the RJ-45-to-RJ-45 rollover cable and the RJ-45-to-DB-9 female adapter or the RJ-45-to-DB-25 female DTE adapter (depending on your computer serial port) to connect the console port to a computer running terminal emulation software.

Console Port Pinouts

The following table lists the pinouts for the console port on the Cisco MDS 9148T switch:

Table 6: Console Port Pinouts

Cable and Port Specifications

SignalPin

RTS1

DTR2

TxD3

GND4

GND5

RxD6

DSR7

CTS8

1. Pin 1 is connected internally to pin 8.

Connecting the Console Port to a Computer Using the DB-25 Adapter

You can use the RJ-45-to-RJ-45 rollover cable and the RJ-45-to-DB-25 female DTE adapter (labeled Terminal) to connect the console port to a computer running terminal emulation software. The following table lists the pinouts for the console port, the RJ-45-to-RJ-45 rollover cable, and the RJ-45-to-DB-25 female DTE adapter:

Table 7: Port-Mode Signaling and Pinouts with DB-25 Adapter

RJ-45-to-RJ-45 Rollover CableConsole Port

Terminal Adapter

Console DeviceRJ-45-to-DB-25

SignalDB-25 PinRJ-45 PinRJ-45 PinSignal

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

CTS581RTS

DSR672DTR

RxD363TxD

Cable and Port Specifications

Connecting the Console Port to a Computer Using the DB-9 Adapter

RJ-45-to-RJ-45 Rollover CableConsole Port

Terminal Adapter

Console DeviceRJ-45-to-DB-25

GND754GND

GND745GND

TxD236RxD

DTR2027DSR

RTS418CTS

Connecting the Console Port to a Computer Using the DB-9 Adapter

You can use the RJ-45-to-RJ-45 rollover cable and RJ-45-to-DB-9 female DTE adapter (labeled Terminal) to connect the console port to a computer running terminal emulation software. The following table lists the pinouts for the console port, the RJ-45-to-RJ-45 rollover cable, and the RJ-45-to-DB-9 female DTE adapter:

Table 8: Port-Mode Signaling and Pinouts with DB-9 Adapter

RJ-45-to-RJ-45 Rollover CableConsole Port

Terminal Adapter

Console DeviceRJ-45-to-DB-9

SignalDB-9 PinRJ-45 PinRJ-45 PinSignal

Out of Band Ethernet Management Port

Use a modular, RJ-45, straight-through UTP cable to connect the 10/100/1000 management Ethernet port to external hubs and switches.

CTS881RTS

DSR672DTR

RxD263TxD

GND554GND

GND545GND

TxD336RxD

DTR427DSR

RTS718CTS

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Cable and Port Specifications

Figure 18: RJ-45 Interface Cable Connector

Cable and Port Specifications

1. Pin 1

2. Pin 8

The following table lists the connector pinouts and signal names for a 10/100/1000BASE-T management port (MDI) cable.

Table 9: 10/100/1000 BASE-T Management Port Cable Pinout

SignalPin

BI DA+1

BI DA-2

BI DB+3

BI DC+4

BI DC-5

BI DB-6

BI DD+7

BI DD-8

The following figure shows a schematic representation of the 10/100/1000 BASE-T cable:

Figure 19: Twisted-Pair 10/100/1000 BASE-T Cable

The following table lists the connector pinouts and signal names for a 10/100 BASE-T management port (MDI) cable:

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Cable and Port Specifications

Table 10: 10/100 BASE-T Management Port Cable Pinout

The following figure shows a schematic of the 10/100 BASE-T cable:

Figure 20: Twisted-Pair 10/100 BASE-T Cable Schematic

Supported Power Cords and Plugs

SignalPin

TD+1

TD-2

RD+3

RD-4

Not used5

Not used6

Not used7

Not used8

Supported Power Cords and Plugs

Each switch power supply unit requires one power cord. Cisco approved cords may be ordered with the product. There are two types: standard power cords with a country specific plug for use with wall outlets and jumper power cords for use with cabinet outlets. The user may also source their own power cords for the product, as long as they meet the power cord specifications for this product.

Note

Only the standard power cords or jumper power cords ordered from Cisco are supported.

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Standard Power Cords

Cable and Port Specifications

Caution

If you do not order a power cord with the system, you are responsible for selecting the appropriate power cord for the product. Using a noncompatible power cord with this product may result in electrical safety hazard. Orders delivered to Argentina, Brazil, and Japan must have the appropriate power cord ordered with the system.

Standard Power Cords

Cisco standard power cords for the Cisco MDS 9148T switch have an IEC C15 connector on the outlet end of the cord and a country specific plug on the inlet end of the cord. To see the list of supported standard power cords, see the Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Data Sheet.

Jumper Power Cord

Jumper power cords have an IEC C15 connector on the outlet end of the cord and an IEC C14 connector on the inlet end of the cord. This cord is compatible with IEC C13 outlet receptacles. This type of outlet receptacle is commonly used for power distribution inside cabinets.

To see the list of supported jumper power cords, see the Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel

Switch Data Sheet.

Fibre Cable Specifications

For information on the fibre cable specifications, see the Cisco MDS 9000 Family Pluggable Transceivers

Data Sheet.

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Site Planning and Maintenance Records

This section includes a site planning checklist and maintenance records to use when installing the Cisco MDS 9148T Multilayer Fabric Switch.

For information about how to query the switch for configuration information, see the Cisco NX-OS

Fundamentals Configuration Guide.

• Site Preparation Checklist, on page 61

• Contact and Site Information, on page 63

• Chassis and Network Information, on page 63

Site Preparation Checklist

Planning the location and layout of your equipment rack or wiring closet is essential for successful switch operation, ventilation, and accessibility. The following table lists the site planning tasks we recommend that you complete before installing the Cisco MDS 9148T Switch.

Consider heat dissipation when sizing the air-conditioning requirements for an installation.

APPENDIX B

Table 11: Site Planning Checklist

Space evaluation:

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

DateTimeVerified ByPlanning ActivityTask No.

• Space and layout

• Floor covering

• Impact and vibration

• Lighting

• Maintenance access

Site Planning and Maintenance Records

DateTimeVerified ByPlanning ActivityTask No.

Environmental evaluation:

• Ambient temperature

• Humidity

• Altitude

• Atmospheric contamination

• Air flow

Power Evaluation:

• Input power type

• Power receptacles

• Receptacle proximity to the equipment

• Dedicated circuit for power supply

• Dedicated (separate) circuits for redundant power supplies

• UPS2for power failures

Grounding evaluation:

• Circuit breaker size

• CO ground (ACpowered systems)

Cable and interface equipment evaluation:

• Cable type

• Connector type

• Cable distance limitations

• Interface equipment (transceivers)

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Site Planning and Maintenance Records

Contact and Site Information

DateTimeVerified ByPlanning ActivityTask No.

1. Verify that the power supply installed in the chassis has a dedicated AC source circuit.

2. UPS = uninterruptible power supply.

3. RFI = radio frequency interference.

Electromagnetic interference (EMI) evaluation:

• Distance limitations for signaling

• Site wiring

• RFI3levels

Contact and Site Information

Use the following worksheet to record contact and site information:

Table 12: Contact and Site Information

Contact person

Contact phone

Contact E-Mail

Building/site name

Data center location

Floor location

Address (line 1)

Address (line 2)

City

State

Zip code

Country

Chassis and Network Information

Use the following worksheet to record chassis and network information:

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Site Planning and Maintenance Records

Contract Number :

Chassis Serial Number:

Product Number:

Switch IP address

Switch IP netmask

Host name

Domain name

IP broadcast address

Gateway/router address

DNS address

Modem telephone number

Site Planning and Maintenance Records

Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide

Cisco MDS 9148T Hardware Installation Manual

Specifications and Main Features

Frequently Asked Questions

User Manual