Cabletron Systems 8H02-16 User Manual
8H02-16 SmartSwitch 10/100
USER’S GUIDE
SmartSwitch 10/100
VIRTUAL NETWORKING
AST
F
ECURE
S
WITH
12X
11X
10X
9X
PWR
CPU
3X
2X
1X
RESET
COM
8H02-16
8X
7X
6X
5X
4X
MMAC
Smart
SWITCH
16
15
14X
13X
1742-00
Only qualified personnel should install the 8H02-16.
NOTICE
Cabletron Systems reserves the right to make changes in specifications and other information
contained in this document without prior notice. The reader should in all cases consult Cabletron
Systems to determine whether any such changes have been made.
The hardware, firmware, or software described in this manual is subject to change without notice.
IN NO EVENT SHALL CABLETRON SYSTEMS BE LIABLE FOR ANY INCIDENTAL,
INDIRECT, SPECIAL, OR CONSEQUENTIAL DAMAGES WHATSOEVER (INCLUDING BUT
NOT LIMITED TO LOST PROFITS) ARISING OUT OF OR RELATED TO THIS MANUAL OR
THE INFORMATION CONTAINED IN IT, EVEN IF CABLETRON SYSTEMS HAS BEEN
ADVISED OF, KNOWN, OR SHOULD HAVE KNOWN, THE POSSIBILITY OF SUCH
DAMAGES.
Copyright 1996 by Cabletron Systems, Inc., P.O. Box 5005, Rochester, NH 03866-5005
All Rights Reserved
Printed in the United States of America
Order Number: 9031742-02 August 1996
SPECTRUM, LANVIEW
FE-100FX, FE-100TX, S
All other product names mentioned in this manual may be trademarks or registered trademarks of
their respective companies.
, and
MMAC
are registered trademarks and
, and
ECUREFAST
Printed on Recycled Paper
SmartSwitch
are trademarks of Cabletron Systems, Inc.
Element Manager
,
8H02-16 User’s Guide i
Notice
FCC NOTICE
This device complies with Part 15 of the FCC rules. Operation is subject to the following two
conditions: (1) this device may not cause harmful interference, and (2) this device must accept any
interference received, including interference that may cause undesired operation.
NOTE:
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 uses, generates, and can radiate radio frequency energy and if not installed in
accordance with the operator’s manual, may cause harmful interference to radio communications.
Operation of this equipment in a residential area is likely to cause interference in which case the user
will be required to correct the interference at his own expense.
WARNING:
party responsible for compliance could void the user’s authority to operate the equipment.
Changes or modifications made to this device which are not e xpressly appro v ed by the
DOC NOTICE
This digital apparatus does not exceed the Class A limits for radio noise emissions from digital
apparatus set out in the Radio Interference Regulations of the Canadian Department of
Communications.
Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les limites applicables
aux appareils numériques de la class A prescrites dans le Règlement sur le brouillage radioélectrique
édicté par le ministère des Communications du Canada.
VCCI NOTICE
This equipment is in the 1st Class Category (information equipment to be used in commercial and/or
industrial areas) and conforms to the standards set by the Voluntary Control Council for Interference
by Information T echnology Equipment (VCCI) aimed at preventing radio interference in commercial
and/or industrial areas.
Consequently, when used in a residential area or in an adjacent area thereto, radio interference may be
caused to radios and TV receivers, etc.
Read the instructions for correct handling.
ii 8H02-16 User’s Guide
Notice
CABLETRON SYSTEMS, INC. PROGRAM LICENSE AGREEMENT
IMPORTANT:
This document is an agreement between you, the end user, and Cabletron Systems, Inc. (“Cabletron”)
that sets forth your rights and obligations with respect to the Cabletron software program (the
“Program”) contained in this package. The Program may be contained in firmware, chips or other
media. BY UTILIZING THE ENCLOSED PRODUCT, YOU ARE AGREEING TO BECOME
BOUND BY THE TERMS OF THIS AGREEMENT, WHICH INCLUDES THE LICENSE AND
THE LIMITATION OF WARRANTY AND DISCLAIMER OF LIABILITY. IF YOU DO NOT
AGREE TO THE TERMS OF THIS AGREEMENT , PR OMPTLY RETURN THE UNUSED
PRODUCT TO THE PLACE OF PURCHASE FOR A FULL REFUND.
Before utilizing this product, carefully read this License Agreement.
CABLETRON SOFTWARE PROGRAM LICENSE
1. LICENSE
package subject to the terms and conditions of this License Agreement.
You may not copy, reproduce or transmit any part of the Program except as permitted by the
Copyright Act of the United States or as authorized in writing by Cabletron.
2. OTHER RESTRICTIONS. You may not reverse engineer, decompile, or disassemble the
Program.
3. APPLICABLE LA W. This License Agreement shall be interpreted and governed under the laws
and in the state and federal courts of New Hampshire. You accept the personal jurisdiction and
venue of the New Hampshire courts.
. You have the right to use only the one (1) copy of the Program provided in this
EXCLUSION OF WARRANTY AND DISCLAIMER OF LIABILITY
1. EXCLUSION OF
writing, Cabletron makes no warranty, expressed or implied, concerning the Program (including
its documentation and media).
CABLETRON DISCLAIMS ALL WARRANTIES, OTHER THAN THOSE SUPPLIED TO
YOU BY CABLETRON IN WRITING, EITHER EXPRESSED OR IMPLIED, INCLUDING
BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE, WITH RESPECT TO THE PROGRAM, THE
ACCOMP ANYING WRITTEN MA TERIALS, AND ANY A CCOMP ANYING HARDWARE.
2. NO LIABILITY FOR CONSEQUENTIAL DAMAGES. IN NO EVENT SHALL
CABLETRON OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER
(INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF BUSINESS,
PROFITS, BUSINESS INTERRUPTION, LOSS OF BUSINESS INFORMATION, SPECIAL,
INCIDENTAL, CONSEQUENTIAL, OR RELIANCE DAMAGES, OR OTHER LOSS)
ARISING OUT OF THE USE OR INABILITY TO USE THIS CABLETRON PRODUCT,
EVEN IF CABLETRON HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
DAMAGES. BECAUSE SOME STATES DO NOT ALLOW THE EXCLUSION OR
LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR
ON THE DURATION OR LIMITATION OF IMPLIED WARRANTIES, IN SOME
INSTANCES THE ABOVE LIMITATIONS AND EXCLUSIONS MAY NOT APPLY TO
YOU.
WARRANTY. Except as may be specifically provided by Cabletron in
8H02-16 User’s Guide iii
Notice
UNITED STATES GOVERNMENT RESTRICTED RIGHTS
The enclosed product (a) was developed solely at private expense; (b) contains “restricted computer
software” submitted with restricted rights in accordance with Section 52227-19 (a) through (d) of the
Commercial Computer Software - Restricted Rights Clause and its successors, and (c) in all respects
is proprietary data belonging to Cabletron and/or its suppliers.
For Department of Defense units, the product is licensed with “Restricted Rights” as defined in the
DoD Supplement to the Federal Acquisition Regulations, Section 52.227-7013 (c) (1) (ii) and its
successors, and use, duplication, disclosure by the Government is subject to restrictions as set forth in
subparagraph (c) (1) (ii) of the Rights in Technical Data and Computer Software clause at
252.227-7013. Cabletron Systems, Inc., 35 Industrial Way, Rochester, New Hampshire 03867-0505.
iv 8H02-16 User’s Guide
CONTENTS
CHAPTER 1 INTRODUCTION
1.1 Using This Guide.........................................................................1-1
1.2 Structure of This Guide................................................................1-2
1.3 8H02-16 Overview.......................................................................1-3
1.4 Local Management Features.......................................................1-6
1.5 Optional Features........................................................................1-6
1.6 Document Conventions............................................................... 1-7
1.7 Getting Help.................................................................................1-8
1.8 Related Manuals..........................................................................1-9
CHAPTER 2 NETWORK REQUIREMENTS
2.1 Network Requirements................................................................2-1
2.2 100BASE-TX Network Cable Lengths.........................................2-4
CHAPTER 3 INSTALLATION
3.1 Required Tools............................................................................ 3-1
3.2 Unpacking the 8H02-16...............................................................3-1
3.3 8H02-16 Options .........................................................................3-2
3.4 Installing the 8H02-16..................................................................3-2
3.5 Connecting to the Network.......................................................... 3-6
CHAPTER 4 TROUBLESHOOTING
4.1 Using LANVIEW.......................................................................... 4-1
4.2 FE-100TX LED............................................................................ 4-3
4.3 Troubleshooting Checklist........................................................... 4-5
4.4 Using the RESET Button.............................................................4-6
CHAPTER 5 COM PORT AND TELNET CONNECTIONS
5.1 Local Management Terminal Connection....................................5-1
5.2 Configuring the Terminal............................................................. 5-1
5.3 Connecting a Management Terminal to the 8H02-16..................5-3
5.4 Connecting the UPS to the 8H02-16........................................... 5-3
5.5 Runtime IP Address Discovery....................................................5-4
5.6 COM Port and Telnet Connections..............................................5-4
8H02-16 User’s Guide v
Contents
CHAPTER 6 LOCAL MANAGEMENT
6.1 Overview......................................................................................6-1
6.2 Local Management Keyboard Conventions.................................6-2
6.3 Accessing Local Management.....................................................6-3
6.4 Device Menu Screen....................................................................6-6
6.5 Device Configuration Menu Screen .............................................6-8
6.6 General Configuration Screen ...................................................6-10
6.7 SNMP Community Names Screen.............................................6-23
6.8 SNMP Traps Screen..................................................................6-26
6.9 Configuring the Trap Table ........................................................6-27
6.10 Bridge Configuration Screen......................................................6-28
6.11 Device Specific Configuration Menu Screen..............................6-31
6.12 Full Duplex Configuration Screen ..............................................6-33
6.13 System Resources Screen ........................................................6-36
6.14 High Speed Interface Configuration Screen ..............................6-39
6.15 Flash Download Screen.............................................................6-44
6.16 Clear NVRAM Screen................................................................6-48
6.17 Port Redirect Function Screen...................................................6-50
6.18 Device Statistics Menu Screen ..................................................6-53
6.19 Bridge Statistics Screen.............................................................6-54
6.20 Port Statistics Screen.................................................................6-55
6.21 Network Tools............................................................................6-58
APPENDIX A SPECIFICATIONS
A.1 Device Specifications..................................................................A-1
A.2 Physical Properties .....................................................................A-1
A.3 Electrical Specifications ..............................................................A-1
A.4 Environmental Requirements...................................................... A-1
A.5 Input/Output Ports.......................................................................A-2
A.6 COM Port/Pin Assignments ........................................................A-2
A.7 Agency Approvals....................................................................... A-3
APPENDIX B FE-100TX AND FE-100FX SPECIFICATIONS
B.1 FE-100TX.................................................................................... B-1
B.2 FE-100FX.................................................................................... B-2
vi 8H02-16 User’s Guide
Contents
APPENDIX C OPTIONAL INSTALLATIONS AND
MODE SWITCH BANK SETTINGS
C.1 Required Tools............................................................................C-1
C.2 Removing the Chassis Cover......................................................C-2
C.3 Setting the Mode Switch..............................................................C-4
C.4 Installing Optional Fast Ethernet Interface Modules....................C-6
INDEX
8H02-16 User’s Guide vii
Contents
viii 8H02-16 User’s Guide
CHAPTER 1
INTRODUCTION
Welcome to the Cabletron Systems
User’s Guide
provides information concerning network requirements, installation,
troubleshooting, and the use of Local Management for device local
control and management.
. This guide describes the 8H02-16 SmartSwitch and
8H02-16 SmartSwitch 10/100
1.1 USING THIS GUIDE
Read through this guide completely to understand the 8H02-16
SmartSwitch features, capabilities, and Local Management functions. A
general working knowledge of Ethernet and IEEE 802.3 type data
communications networks and their physical layer components is helpful
when using Local Management.
NOTE
In this document, the 8H02-16 SmartSwitch is referred to as
either the “8H02-16” or the “device.”
8H02-16 User’s Guide 1-1
Chapter 1:
Introduction
1.2 STRUCTURE OF THIS GUIDE
This guide is organized as follows:
Chapter 1,
Introduction
, outlines the contents of this manual and briefly
describes the 8H02-16 features. Directions about how to receive
additional help and a list of related manuals are also included.
Chapter 2,
Network Requirements
, explains the network requirements
to consider before installing the 8H02-16.
Chapter 3,
Installation
, provides instructions on how to install the unit
and connect segments to the device.
Chapter 4,
Troubleshooting
, details the 8H02-16 LANVIEW LEDs that
enable you to quickly diagnose network/operational problems.
Chapter 5,
COM Port and Telnet Connections
, describes how to attach
a management console to the 8H02-16 to access Local Management (LM)
or attach an uninterruptible power supply (UPS).
Chapter 6,
Local Management
, describes how to access Local
Management and use the Local Management screens to manage the
8H02-16.
Appendix A,
Specifications
, contains information on functionality and
operating specifications, connector pinouts, environmental requirements,
and physical properties.
Appendix B,
FE-100TX and FE-100FX Specifications
, contains
information about FE-100TX pinouts and information concerning cable
types used with the FE-100FX.
Appendix C,
Optional Installations and Mode Switch Bank Settings
,
describes how to remove the top cover to gain access to and set the Mode
Switch Bank, and install optional Fast Ethernet Interface Modules.
1-2 8H02-16 User’s Guide
8H02-16 Overview
1.3 8H02-16 OVERVIEW
The 8H02-16 is a standalone 16-port high-speed network switch device
that supports traditional switching (bridging). Ports 15 and 16 support
optional Fast Ethernet Interface Modules and can provide uplinks to
100BASE-TX or 100BASE-FX fast Ethernet networks.
The 8H02-16 is used to connect individual high-bandwidth user devices,
such as workstations, and provide a central switching point for multiple
Ethernet segments built using devices such as Cabletron Systems
HUBSTACK or other third party stackable devices.
The 8H02-16 is a tabletop unit that can also be installed in a standard
19-inch rack using the supplied rack mounting hardware.
The 8H02-16 has a universal ac power supply with automatic voltage
sensing that allows operation using 100–125 or 200–250 Vac, 50/60 Hz.
1.3.1 8H02-16 Features
The 8H02-16, shown in Figure 1-1, has the features listed below.
SmartSwitch 10/100
WITH
S
ECURE
F
AST VIRTUAL NETWORKING
8H02-16
RESET
COM
PWR
CPU
1X 2X 3X 4X 5X 6X 7X 8X 9X 10X 11X 12X 13X 14X 15 16
Port Status LEDs
System LEDs
COM Port
RESET Button
Network Ports 1-14
Fast Ethernet Interface
Module Ports 15 & 16
MMAC
Smart
SWITCH
Figure 1-1 The 8H02-16
• Intel i960 RISC processor control
• 14 Port High-Speed Workgroup Switch with two optional ports for
Fast Ethernet Interface Modules providing high speed uplinks to
100 Mbps fast Ethernet technologies
8H02-16 User’s Guide 1-3
174248
Chapter 1:
Introduction
• Full Duplex Switched Ethernet (FDSE) support for 20 Mbps links to
bandwidth intensive users/servers
• Runtime IP Address Discovery that allows the 8H02-16 to send out a
RARP or BootP request to determine its IP address
• Manageable using Simple Network Management Protocol (SNMP)
and Remote Monitoring (RMON)
• Support for traditional switching services as well as for Cabletron
Systems S
ECUREFAST
Switching Virtual Network technology
• Possible linking of existing stackable or third party hubs to 100 Mbps
Fast Ethernet backbones
• IEEE 802.3 compatibility with support for IEEE 802.1d and DEC
Spanning Tree Algorithms
• LANVIEW Diagnostic LEDs
1.3.2 Connectivity
The 8H02-16 connects to Ethernet networks or workstations through
fourteen RJ45 ports on the front panel. These ports support Unshielded
Twisted Pair (UTP) and Shielded Twisted Pair (STP) cables at lengths up
to 100 meters. The ports are IEEE 802.3 10BASE-T compliant.
The 8H02-16 has two front panel slots (ports 15 and 16) for optional Fast
Ethernet Interface Modules to support an uplink to 100 Mbps Ethernet
backbones or a high speed connection to a local server.
1.3.3 Full Duplex Switched Ethernet
Each switched Ethernet port supports full wire-speed Ethernet
communications and can be configured to operate in Full Duplex
Switched Ethernet mode.
1-4 8H02-16 User’s Guide
8H02-16 Overview
1.3.4 Management
Management of the 8H02-16 is accomplished using Local Management
tools or remote SNMP management stations. Out-of-band local
management is provided through the RS232 COM port on the front panel
using a VT100 terminal or a VT100 terminal emulator. In-band remote
management is possible through any SNMP compliant Network
Management Software.
1.3.5 Traditional Switching
The 8H02-16 provides traditional Switching or S
Virtual Network Services between all of the front panel interfaces
including the optional ports 15 and 16.
Through Cabletron Systems Synthesis framework, the 8H02-16 supports
operations in traditional Switching mode or S
mode. S
ECUREFAST
Switching allows for future migration to Virtual
Network technologies without requiring the replacement of existing
equipment.
ECUREFAST
ECUREFAST
Switching
Switching
1.3.6 Standards Compatibility
The 8H02-16 provides IEEE 802.1d Spanning Tree Algorithm (STA)
support to enhance the overall reliability of the network and protect
against “loop” conditions. The 8H02-16 supports a wide variety of
industry standard MIBs including RFC 1213 (MIB II), RFC 1271
(RMON), RFC 1371 (RS232 MIB), RFC 1493 (Bridge MIB) and RFC
1354 (FIB MIB). A full suite of Cabletron Systems Enterprise MIBs
provide a wide array of statistical information to enhance troubleshooting.
1.3.7 LANVIEW Diagnostic LEDs
LANVIEW diagnostic LEDs serve as an important troubleshooting aid by
providing an easy way to observe the status of indi vidual ports and overall
network operations. Chapter 4 provides details about the 8H02-16
LANVIEW LEDs.
8H02-16 User’s Guide 1-5
Chapter 1:
Introduction
1.4 LOCAL MANAGEMENT FEATURES
Local Management provides the tools that allow management of the
8H02-16 and any of the optional Fast Ethernet Interface Modules
installed as ports 15 and 16. It also allows the following tasks to be
performed:
• Assign an IP address and subnet mask to the 8H02-16.
• Select a default gateway and default interface.
• Control local and remote access.
• Designate workstations to receive SNMP traps from the 8H02-16.
• Configure module specific SNMP MIB objects including the IETF
Bridge MIB objects and many of the RMON MIB objects.
Chapter 6 provides detailed information about Local Management.
1.5 OPTIONAL FEATURES
The two optional Memory Upgrade Kits for the 8H02-16 SmartSwitch
are listed below:
• The 8H02-16-MEM-UGK Memory Upgrade Kit provides an 8 MB
DRAM SIMM that allows the 8H02-16 to run SFS (Secure Fast
Switching) and all groups of RMON.
• The 8H02-8D/4F-ADV Advanced Memory Upgrade Kit provides
8 MB DRAM, 4 MB of FLASH with a preloaded image, and image
diskettes that allows the 8H02-16 to run VLAN (Virtual Local Area
Network), SFS, and RMON.
1-6 8H02-16 User’s Guide
Document Conventions
• Cabletron Systems provides Fast Ethernet Interface Modules to
support uplinks to 100 Mbps Ethernet backbones or high speed
connections to local servers. The Fast Ethernet Interface Modules are
listed in Table 1-1.
Table 1-1 Fast Ethernet Interface Modules
P/N Description Application
FE-100TX
FE-100FX
Uses RJ45
connector
Uses SC
connector
Supports Unshielded Twisted Pair (UTP) cabling.
Supports multimode fiber optic cabling.
1.6 DOCUMENT CONVENTIONS
The following conventions are used throughout this document:
Note
NOTE
TIP
CAUTION
!
symbol. Calls the reader’s attention to any item of
information that may be of special importance.
Tip
symbol. Conveys helpful hints concerning procedures or
actions.
Caution
symbol. Contains information essential to avoid
damage to the equipment.
Electrical Hazard Warning
symbol. Warns against an action
that could result in personal injury or death due to an electrical
hazard.
WARNING
Warning
personal injury or death.
symbol. Warns against an action that could result in
8H02-16 User’s Guide 1-7
Chapter 1:
Introduction
1.7 GETTING HELP
If you need additional support related to this device, or if you have any
questions, comments, or suggestions concerning this manual, contact
Cabletron Systems Technical Support:
Phone (603) 332-9400
Monday – Friday; 8 A.M. – 8 P.M. Eastern Time
CompuServe GO CTRON from any ! prompt
Internet mail support@ctron.com
FTP ctron.com (134.141.197.25)
Login
Password
BBS (603) 335-3358
Modem setting 8N1: 8 data bits, 1 stop bit, No parity
For additional information about Cabletron Systems products, visit our
W orld W ide Web site: http://www .cabletron.com/
Before calling Cabletron Systems Technical Support, have the following
information ready:
anonymous
your email address
• A description of the failure
• A description of any action(s) already taken to resolve the problem
(e.g., changing mode switches, rebooting the unit, etc.)
• A description of your network environment (layout, cable type, etc.)
• Network load and frame size at the time of trouble (if known)
• The serial and revision numbers of all Cabletron Systems products in
the network
• The device history (i.e., have you returned the device before, is this a
recurring problem, etc.)
• Any previous Return Material Authorization (RMA) numbers
1-8 8H02-16 User’s Guide
Related Manuals
1.8 RELATED MANUALS
The following manuals may help the user to control and manage the
8H02-16 using SNMP network management systems:
Cabletron Systems
Cabletron Systems
Applications
SPECTRUM Element Manager for Windows
SPECTRUM and SPECTRUM Portable Management
(SPMA) products
Third Party SNMP compliant Network Management Packages
8H02-16 User’s Guide 1-9
Chapter 1:
Introduction
1-10 8H02-16 User’s Guide
CHAPTER 2
NETWORK REQUIREMENTS
This chapter contains general networking guidelines. Before attempting
to use the 8H02-16 or to install a Fast Ethernet Interface Module
(FE-100TX or FE-100FX), review the requirements and specifications
outlined in this chapter.
2.1 NETWORK REQUIREMENTS
The network installation must meet the guidelines included in this chapter
to ensure satisfactory performance of this equipment. Failure to follow
these guidelines may produce poor network performance.
Refer to the following sections that apply to your specific network
configuration.
2.1.1 10BASE-T Twisted Pair Network
When connecting a 10BASE-T twisted pair segment to any of the
8H02-16 ports (Interfaces 1 through 14), ensure the network meets the
following requirements:
Length
The IEEE 802.3 standard for 10BASE-T requires that 10B ASE-T de vices
transmit over a 100 meter (328 foot) link using 22–24 AWG Unshielded
Twisted Pair (UTP) wire. However, cable quality largely determines
maximum link length. If you use high quality, low attenuation cable, you
can achieve link lengths of up to 200 meters. Cable delay limits the
maximum link length to 200 meters.
NOTE
8H02-16 User’s Guide 2-1
Losses introduced by connections at punch-down blocks and
other equipment reduce total segment length. For each
connector or patch panel in the link, subtract 12 meters from
the total length of the cable.
Chapter 2: Network Requirements
Impedance
Cabletron Systems 10BASE-T twisted pair products work on twisted pair
cable with 75 to 165 ohms impedance. UTP cables typically have an
impedance from 85 to 110 ohms. Shielded twisted pair cables, such as
IBM Type 1 cable with an impedance of 150 ohms may also be used.
Temperature
Multi-pair PVC 24 AWG telephone cables typically have an attenuation
of approximately 8–10 dB/100 m at 20°C (68°F). The attenuation of PVC
insulated cable varies significantly with temperature. At temperatures
greater than 40°C (104°F), use plenum-rated cable to ensure that
attenuation remains within specification.
2.1.2 100BASE-TX Twisted Pair Network
The 8H02-16 with an FE-100TX installed in ports 15 or 16 provides an
RJ45 connection that supports UTP cabling. The device at the other end
of the twisted pair segment must meet IEEE 802.3u 100BASE-TX
specifications for the devices to operate at 100 Mbps. Use Category 5
UTP cabling for networks operating at 100 Mbps. Use Category 3, 4, or 5
UTP cabling for networks operating at 10 Mbps.
NOTE
The 8H02-16 with an FE-100TX installed is capable of
operating at either 10 or 100 Mbps. The FE-100TX senses the
speed of the other device and adjusts its speed accordingly.
When connecting a 100BASE-TX twisted pair segment to port 15 or 16
with an FE-100TX interface module, the network must meet the
following requirements:
Length
The IEEE 802.3u standard for 100BASE-TX requires that 100BASE-TX
devices be capable of transmitting over a 100 meter (328 foot) link using
Category 5 UTP cable.
The IEEE 802.3 standard for 10BASE-T requires that 10B ASE-T de vices
be capable of transmitting over a 100 meter (328 foot) link using
Category 3, 4, or 5 UTP cable.
2-2 8H02-16 User’s Guide
Network Requirements
Propagation Delay
Propagation delay is the amount of time it takes data to travel from the
sending device to the receiving device.
Total propagation delay allowed for a 100B ASE-TX (100 Mbps) network
is 256 bit times or 2.56 microseconds (2.56 µs). If the total propagation
delay between any two nodes on a 100BASE-TX network exceeds
2.56 µs, then use bridges or other devices to further segment the network.
Total propagation delay allowed for a 10BASE-T (10 Mbps) network is
256 bit times or 25.6 µs. If the total propagation delay between any two
nodes on a 10BASE-T network exceeds 25.6 µs, then use bridges or other
devices to further segment the network.
Temperature
The attenuation of PVC insulated cable varies significantly with
temperature. At temperatures greater than 40°C (104°F), use plenum rated
cables to ensure that cable attenuation remains within specification.
2.1.3 100BASE-FX Fiber Optic Network
Ports 15 and 16 of the 8H02-16 support the Cabletron Systems FE-100FX
fiber optic interface module. The FE-100FX meets the IEEE 802.3u
standard. When connecting a fiber optic segment to the 8H02-16, the
network must meet the following requirements:
Cable Loss
T est the fiber optic cable with a fiber optic attenuation test set adjusted for
an 850 nm wavelength. This test verifies that the signal loss is within an
acceptable level. The maximum loss for a multimode cable is 11.0 dB.
Fiber Optic Budget and Propagation Delay
Determine the maximum fiber optic cable length by calculating the fiber
optic budget delay and total network propagation before fiber optic cable
runs are incorporated in any network design.
Fiber optic budget is the combination of the optical loss due to the fiber
optic cable, in-line splices, and fiber optic connectors.
8H02-16 User’s Guide 2-3
Chapter 2: Network Requirements
Propagation delay (collision delay) is the amount of time it takes data to
travel from the sending device to the receiving device. Total propagation
delay allowed for the entire network is 256 bit times (2.56 µs). If the total
propagation delay between any two nodes on the network exceeds
2.56 µs, then use bridges or other devices to further segment the network.
2.2 100BASE-TX NETWORK CABLE LENGTHS
This section details the maximum network cable lengths specified by the
IEEE 802.3u standard. As stated in the pre vious sections, the physical size
of the network is limited primarily by propagation delay. The total
propagation delay cannot exceed 256 bit times or 2.56 µs.
A 100BASE-TX/FX network might use all copper (UTP) links, all fiber
links or a combination of both. The maximum length of any segment is
determined by the types and combination of links and by the type of
repeater (if any) between segments. IEEE 802.3u standards specify two
repeater classes (Class 1 and Class 2) and the maximum cable lengths for
each media type.
If this device is being installed in a 100BASE-TX/FX environment with
repeaters, use the repeater instruction manual to determine the maximum
cable lengths when laying out your network.
UTP Maximum Cable Lengths
An Unshielded Twisted Pair copper segment in a 100BASE-TX
environment may be no more than 100 meters in length.
The maximum length of a UTP segment may be no more than
100 meters.
!
CAUTION
Multimode Fiber Cable Lengths
The maximum length of a 100BASE-FX segment may be no more than
412 meters between Data Terminal Equipment (DTE to DTE) in half
duplex mode or 2 km (DTE to DTE) in full duplex mode.
2-4 8H02-16 User’s Guide
CHAPTER 3
INSTALLATION
Only qualified personnel should install the 8H02-16.
This chapter covers the following items:
• Required tools
• Unpacking the 8H02-16
• Installing the 8H02-16 on a shelf or into a standard rack
• Connecting to the power source
• Connecting to the network
3.1 REQUIRED T OOLS
A Phillips screwdriver is required to install the equipment.
3.2 UNPACKING THE 8H02-16
To unpack the shipment, proceed as follows:
1. Carefully remove the 8H02-16 from the shipping box. Save all
shipping material in case any items need to be returned.
2. Visually inspect the 8H02-16 and any optional equipment.
3. If there are any signs of damage, contact Cabletron Systems Technical
Support. Refer to Section 1.7, Getting Help, for details.
8H02-16 User’s Guide 3-1
Chapter 3: Installation
3.3 8H02-16 OPTIONS
NOTE
If the 8H02-16 is to be installed with optional Fast Ethernet Interface
Modules, refer to Appendix C for installation instructions. For more
information on the two Fast Ethernet Interface Modules and the two
optional memory kits, refer to Section 1.5, Optional Features.
3.4 INSTALLING THE 8H02-16
Install the options first before proceeding to Section 3.4.
The 8H02-16 may be installed on a tabletop, shelf, or in a 19-inch rack.
Refer to Section 3.4.1 for information concerning a tabletop or shelf
installation. Section 3.4.2 describes the rackmount installation.
3.4.1 Tabletop or Shelf Installation
This section provides guidelines for installation on a tabletop or shelf.
B
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WITH S
ECURE
F
AST VIRTUAL NETWORKING
A
PWR
CPU
RESET
8H02-16
1X 2X 3X 4X 5X 6X 7X 8X 9X 10X 11X 12X 13X 14X 15 16
COM
C
MMAC
Smart
SWITCH
A = 15 cm (6 in)
D
B = 46 cm (18 in)
C = 53 cm (21 in)
D = 213 cm (7 ft)
1742_06
Figure 3-1 Tabletop or Shelf Installation
Proceed to Section 3.4.3 for instructions about connecting power.
3-2 8H02-16 User’s Guide
Installing the 8H02-16
3.4.2 Rackmount Installation
To install the 8H02-16 in a 19-inch rack, Cabletron Systems includes an
accessory kit containing the rackmount brackets, mounting screws, and a
strain-relief bracket for cable management.
Before installing the 8H02-16 into a rack, ensure that the rack
WARNING
Tabletop and shelf installations must be within reach of the network
cabling and meet the requirements listed below:
• Locate the 8H02-16 within seven feet of an appropriate grounded
• Maintain a temperature of between 5°C (41°F) and 40°C (104°F) at
CAUTION
supports the device(s) without compromising the stability of the
rack. Otherwise, personal injury and/or equipment damage
may result.
power receptacle that meets the power supply requirements listed in
Appendix A, Specifications.
the installation site with fluctuations of less than 10°C per hour.
To ensure proper ventilation and prevent overheating, leave a
minimum clearance space of 5.1 cm (2.0 in) at the left, right
!
and rear of the 8H02-16.
8H02-16 User’s Guide 3-3
Chapter 3: Installation
Attaching the Strain-Relief Bracket
Attach the strain-relief bracket to the front of the 8H02-16 as follows:
1. Locate the strain-relief bracket and four 8-32 x 3/8-inch pan-head
screws in the rackmount kit.
Do not attempt to attach the strain-relief bracket with screws
other than the 8-32 x 3/8-inch screws included with the
8H02-16. Use of longer screws may damage the unit or cause
electrical shock.
2. Attach the strain-relief bracket to the bottom of the 8H02-16 using the
four 8-32 x 3/8-inch pan-head screws (Figure 3-2).
Screws (4)
Strain-Relief Bracket
COM
MMAC
SWITCH
Smart
1X 2X 3X 4X 5X 6X 7X 8X 9X 10X 11X 12X 13X 14X 15 16
CPU
PWR
RESET
F
AST VIRTUAL NETWORKING
8H02-16
WITH
S
ECURE
SmartSwitch 10/100
174247
Figure 3-2 Attaching the Strain-Relief Bracket
3-4 8H02-16 User’s Guide
Installing the 8H02-16
Rack Mounting the 8H02-16
Proceed as follows to install the 8H02-16 into a 19-inch rack.
1. Remove and discard the four cover screws (two from each side)
located along the front edges of each side of the 8H02-16.
2. Locate the four 6-32 x 3/8-inch flat head cover replacement screws in
the rackmount kit. Use these screws to attach the rackmount brackets
to the 8H02-16 as shown in Figure 3-3.
Rackmount
Brackets (2)
SmartSwitch 10/100
WITH
S
ECURE
F
AST VIRTUAL NETWORKING
RESET
8H02-16
COM
PWR
CPU
1X 2X 3X 4X 5X 6X 7X 8X 9X 10X 11X 12X 13X 14X 15 16
Screws (4)
MMAC
Smart
SWITCH
1742-04
Figure 3-3 Installing the Rackmount Brackets
3. With the mounting brackets installed, position the 8H02-16 between
the vertical frame members of the 19-inch rack and fasten it securely
with mounting screws as shown in Figure 3-4.
19-Inch Rack
SmartSwitch 10/100
WITH S
ECURE
F
AST VIRTUAL NETWORKING
RESET
8H02-16
COM
PWR
CPU
1X 2X 3X 4X 5X 6X 7X 8X 9X 10X 11X 12X 13X 14X 15 16
Screws (4)
MMAC
Smart
SWITCH
1742-03
Figure 3-4 Installing the 8H02-16 in a Rack
8H02-16 User’s Guide 3-5
Chapter 3: Installation
3.4.3 Connecting to the Power Source
NOTE
The 8H02-16 has a power supply with automatic voltage
sensing that allows connection to power sources ranging from
100–125 Vac or 200–250 Vac, 50/60 Hz.
To connect the 8H02-16 to a power source, proceed as follows:
1. Plug the power cord into a grounded wall outlet. The POWER LED
turns ON (green) and the CPU LED turns ON (green) briefly.
NOTE
It takes approximately one minute for the 8H02-16 to boot up.
2. Observe the LANVIEW LEDs. After boot up, the CPU LED becomes
solid green. If the CPU LED is not solid green, check the power cord
connection and power source. If the CPU LED is still not solid green
after approximately one minute, contact Cabletron Systems Technical
Support. Refer to Section 1.7, Getting Help, for details.
3.5 CONNECTING TO THE NETWORK
This section provides the procedures for connecting UTP and multimode
fiber optic segments from the network or other devices to the 8H02-16.
Ports 1 through 14 on the 8H02-16 have RJ45 connectors for UTP
connections. Ports 15 and 16 support FE-100TX or FE-100FX Fast
Ethernet Interface Modules. The FE-100TX has an RJ45 connector for a
UTP cable connection. The FE-100FX has an SC style connector for a
multimode fiber optic cable connection.
Refer to Section 3.5.1 to make UTP connections to ports 1 through 14.
Refer to Section 3.5.2 to make a UTP connection to an FE-100TX.
Refer to Section 3.5.3 to make a fiber optic connection to an FE-100FX.
3-6 8H02-16 User’s Guide
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