HP J3175A, J3177A User Manual
Installationand
Reference Guide
HPJ3175A
HPJ3177A
HPAdvanceStack
Switch 208/224
HP Customer Support Services
How to get the latest software/agent firmware
You can download from the World Wide Web, HP FTP Library Service, CompuServe,
and HP BBS a compressed file (j3178xx.exe) containing the latest version of the HP
Switch 208/224 Management Module software and proprietary MIB. After you download the file, extract the file by typing
For example, j317801 [Enter].
World Wide Web
http://www.hp.com/go/network_city
Select the “Support” section.
From this web site, you can also download information on the HP networking prod-
ucts. If you have a growing network, download the Designing HP AdvanceStack
Workgroup Networks Guide or call 1-80 0-752-0900 in the U.S. to receive a copy through
the mail.
HP FTP Library Service
1. FTP to Internet IP Address — ftp ftp.hp.com.
2. Log in as anonymous and press [Return] at the passwor d prompt.
3. Enter bin to set the transfer type.
4. Enter cd /pub/networking/software.
5. Enter get
filename
to transfer the file to your computer, then quit.
filename
and pressing [Enter].
CompuServe
1. Login to CompuServe.
2. Go to the “hp” service.
3. Select “HP Systems, Disks, Tapes, etc.”
4. Select “Networking Products” library.
5. Download
HP BBS
Set your modem to no par ity, eight bits, 1 st op bit, se t speed up to 14400 bps, and with
your telecommuni cation pr ogram (e. g. , Windows T ermina l) dial (208) 344 -1691 in the
U.S. to get the latest software for your HP networking product. For other countries,
see http://www.hp.com/cposupport/eschome.html.
(over for more services)
filename
and then quit.
✂
Obtain the latest console code (j3178xx.exe) f rom:
HP FTP Library: ftp ftp-boi.external.hp.com
World Wide Web: http://www.hp.com/go/network_ci ty
HP BBS: (208) 344-1691
(over)
HP FIRST Fax Retrieval Service
HP FIRST is an automated fax retrieva l servi ce that is avail able 24 hours a day, seven
days a week. HP FIRST provides information on the following topics:
■ Product information
■ Troubleshooting instructions
■ Technical reviews and articles
■ Configuration information
To access HP FIRST, dial one of the following phone numbers:
Location Phone Number
U.S. and Canada Only Dial 1 (80 0) 33 3-1 917 with your fax m achi ne o r to uch -tone phon e
Outside the U.S. and Canada Dial 1 (208) 344-4809 from your fax machine and press 9.
To re c eiv e a li st of c urr e nt ly a va il ab le do cu me nt s, e nt er do cu me nt n u mbe r 1 994 1. The i nf orm at i o n
you requested will be sent to you by return fax. For other countries, see http://www.hp.com/
cposupport/eschome.html.
and press 1.
Additional HP Support Services
In addition to the above services, you can purchase various HP telephone support
services which provide you expert HP technical assistance:
■ Network Phone-In Support provides you support at an hourly rate. In the U.S.,
call 1-800-790-5544. In other countries, please contact your local HP Response
Center to see if this service is available in your country.
■ HP SupportPack Comprehensive Network Support provides complete prob-
lem resolution for medium to large interconnected local and wide area
networks. Contact your HP Authorized Reseller or the nearest HP Sales and
Support Office for more information.
HP offers other hardware support services. Please contact your reseller for more
information.
CompuServe: Go hpsys
Network Phone-In
Support (hourly):
Lib 7.
Download j3178xx.exe
1-800-790-5544
✂
HP AdvanceStack Switch 208/224
Installation and Reference Guide
© Copyright 1997 Hewlett-Packard Company
All Rights Reserved.
This document contains information which is protected by
copyright. Reproduction, adaptation, or translation without
prior permission is prohi bited, except as allow ed under the
copyright laws.
Publication N umber
5966-5225
Edition 1
March 19 9 7
Applicable Products
HP J3175A Ad vanceStac k Switch 208T
HP J3177A Ad vanceStac k Switch 224T
Disclaimer
The information contained in this document is subject to
change with out notice.
HEWLETT-PACKARD COMPANY MAKES NO WARRANTY
OF ANY KIND WITH REGARD TO THIS MATERIAL,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE. Hewlett-Packard shall not
be liabl e for err o r s co n tained her ei n or for inc ide ntal or
consequential damages in connect ion with t he furnishing,
performance, or us e of this material.
Hewlett-Packard assumes no responsibility for the use or
reliability of its software on equipment that is not furnished
by Hewlett-P a ck ard.
Warrant y
A copy of the specific warr anty terms applicable to your
Hewlett- Packard products and replacemen t parts can be
obtained from your HP Sales an d Service Office or
authorized dealer .
Hewlett-Packard Company
8000 Foothills Boulevard, m/s 5552
Roseville, Californ ia 95747-5552
http://www.hp.com/ go/network_city
Contents
1 Installing the Swi tch 208/224
Included P a rts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Installation Step s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
1. Prepare the Installation S ite . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2. Install Any Optional Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
3. Verify the Switch’s Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
4. Mount the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1- 8
5. Connect the Switch to a Power Source . . . . . . . . . . . . . . . . . . . . . . 1-12
6. Connect the Network Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13
Sample Network Topologies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-15
As a Segment Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-15
As a Desktop Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-16
Connecting to a Backbone Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-17
Cable Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-18
Where to Go From Here . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-18
2 Switch 20 8/224 Descripti on
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Front of the Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2- 2
Network Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2- 3
Management Slot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Back of the Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
Power Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
Redundant Power Supply (RPS) Connector . . . . . . . . . . . . . . . . . . . . . 2-5
Expansion Slot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
Switch Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Address Table Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Simultaneous Network Communicat ions . . . . . . . . . . . . . . . . . . . . . . . 2- 7
iii
3 Troubleshooting
Solutions to Common Pro blems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3- 1
LED Error Indications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Diagnostic Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Testing the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3- 4
Testing Twis t e d -Pair Cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Testing End-to-End Network Communications . . . . . . . . . . . . . . . . . . 3-5
Testing Switch-to-Device Network Communications . . . . . . . . . . . . . 3-5
Resetting the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
HP Customer Support Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3- 6
A Cables and Connectors
Twisted-Pair Cable/Connector Pin-Outs . . . . . . . . . . . . . . . . . . . . . . . A-1
Twisted-Pair Cable for Switch (MDI-X) to
Computer (MDI) Network Connection . . . . . . . . . . . . . . . . . . . . . . . . A-2
Twisted-Pair Cable for Switch (MDI-X) to
Hub or Switch (MDI-X) Network Connection . . . . . . . . . . . . . . . . . . . A- 3
Twisted-Pair Cable Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . A-4
Fiber-Optic Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A- 4
B Specif ic a t i ons
C Safety and Regu latory Statement s
Mounting Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-1
Power Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-2
Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-3
Safety Informa tion (J apanese) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-8
Regulatory Statements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-9
Declaration of Conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-10
Index
iv
Installing the Switch 208/224
The HP AdvanceStack Switch 208T and 224T are low-latency, high-speed
switches that you can use to build high- p erformance switched workgroup
networks.
The two switch models are:
HP J3175A AdvanceStack Switch 208T
HP J3177A AdvanceStack Switch 224T
1
Installing t he Swi tch 208/22 4
Throughout this manual, these switches will be abbreviated as the Switch 208T
and Switch 224T, or, when common characteristics are being descri bed, as
the Switch 208/224.
The Switch 208T and 224T have eigh t and twenty-four 10Base- T ports, respe ctively, and two 100Ba se-T ports: one fixed RJ- 45 port and one transceiver slot
for installing an HP 100Base-TX or 100Base-FX Transceiver Module.
With these switches you can build a switched n etw o rk infrastructure by
connecting hubs or other switches, or you can connect computers, printers,
and servers to these switches to provide dedicated bandwidth to those
devices.
This chapter shows you how to ins tall your Switch 208T or 224T.
1-1
Installing the S witch 208/ 22 4
Included Parts
Included Parts
The Switch 208T and 224T have the following c omponents ship ped with them:
■ HP AdvanceStack Switch 208/224 Installation and Reference Guide
(5964-5225), this manual
■ Warranty booklet
Installing t he Swi tch 208/224
■ Accessory kit (5063-8570)
• two mounting brackets
• t w o ca b le ties
• four 10 mm M3 thread-forming screw s to attach the mounting
brackets to the switch
• four 5/8-inch number 12-24 screws to attach the switch to a rack
■ Power cord, one of the following:
Australia/New Zealand/China (8120-6810)
Denmark (8120-6 814)
Europe (8120-6811)
Japan (8120-6798)
Switzerland (8120-6815)
United Kingdom (8120-6 809)
United Sta tes/Canada (8120-6 812)
1-2
Installation Steps
Follow these easy s teps to install your switch. The res t of this chapter provides
details on these steps.
1. Prepare the installation site
2. In st a l l an y optional m o dules
3. Verify that the switch passes self test
4. Mount the switch
5. Connect power to the switch
6. Connect the network cables
Installing the Switch 208/224
Installation Steps
1. Prepare the Installation Sit e
■ Cabling Infrastructure - Ensure that the cabling infrastructure meets
the necessary network specifications:
• For the 10Base-T ports, use category 3, 4, or 5, four-pair, 100 ohm UTP
(unshielded twisted-pair) cables. Cable lengths can be up to 100
meters for category 3 or 4, and 150 meters for category 5. For
connecting these ports to end nodes, use “straight-through” cable; for
connecting to hubs or other switches, use “crossover” cable. See
appendix A, “Cables and Connectors” for more information
• For the fixed 100Base-TX por t and 100B ase-T X transceiver s that yo u
install in the transceiver slot, use categor y 5, 100-ohm UTP cables.
Cable lengths can be up to 100 meters.
For connecting these ports to end nodes, use “straight-through” cable;
for connecting to hubs and switches, use “crossover” cable.
• For 100Base-FX transceiver s that yo u in stall in the transceiver slot ,
use 1300 nm multi-mode fiber-optic cables that are fitted with SC
connectors, and conform to ISO/IEC 793-2 type B1 and ITU-T G.652
standards. Cable lengths can be up to 1 kilometer.
■ Installation Precautions -
• Before installin g the switch, pl an it s locati on and orien ta tion r el ative
to other devices and equipment. In the front of the switch, leave at
least 3 inches (7.6 cm) of space for the twis ted -pair and fiber-optic
cabling. In the back, leave at least 1 1/2 inches (3.8 cm) of space fo r
the power cord.
• Caution: Ensure that the switch does not overload the power
circuits, wiring, and over-current protection. To determine the possibility of overloading the supply circuits, add together the ampere
ratings of all devices installed on the same circuit as the switch and
compare the total with the rating l imit for the circuit. The maximum
ampere ratings are usual ly printed on the device s near the A C power
connectors.
• Caution: Ensure t h a t t h e p o wer source ci r cuits are p ro perly
grounded. See the Safety Statements at the end of this manual.
• Do not install the switch in an environment where the operating
ambient temperature might exceed 55°C (131°F).
• Make sure the air flow around the sides of the switch is not restricted.
Installing t he Swi tch 208/22 4
1-3
Installing the S witch 208/ 22 4
Installation Steps
2. Install Any Optional Modules
Install optional modules into the Management Slot, Expansion Slot, or transceiver slot by follo wing the instru ctions in the manuals that accompany these
products.
Each of the slot cove rs can b e removed with either a fl at-bl aded or T orx T-10
screwdriver. Retain the slot covers for future use.
Installing t he Swi tch 208/224
Caution To avoid damage to circuitry in the switch and any modules, always unplug
the power from the switch before installing a module into the Expansion Slot,
Management Slot, or tran sceiver slot, and when removing any modules.
If you do not install an optional module, make sure that the cover plate is st ill
attached over the slot for safe operation and proper switch cooling.
Installing Modules
Front of Switch
Management Slot
HP J3178A AdvanceStack Swi tch 208/224 Management Module
1-4
Installing the Switch 208/224
Installation Steps
Back of Switch
Expansion Slot
support ed expansion module
Note An expansion slot module uses the switch port 1 circuitry to communicate
with the other switch ports. Therefore, installing an expansion module
disables port 1 as reflected by the LED on the front of the switch.
Installing Transceivers
Installing t he Swi tch 208/22 4
Blue color bar w ith “100 T” in it,
and “B”, or late r, model numbe r
identifi es a corr ect transceiver
for the Switch 208T and 224T
Install either of these HP 100Base-T transceiver modules into the transceiver
slot:
- HP J3192B 100Base-TX Twisted-Pair Transceiver Module
- HP J3193B 100Base-FX Fiber-Optic Transceiver Module
Cautions Make sure you install only t he “B” model or later versions of these
100Base-T transceiver modules into the Switch 208/224.
Do not install any 100VG transceiver modules in this slot.
1-5
Installing the S witch 208/ 22 4
p
Installation Steps
3. Verify the Switch’s Operat ion
After you have installed any modules, but before mounting the switch in its
network location, you should first verify that it is working properly by plugging
it into a power source and verifying that it passes its self test.
1. Connect the power c ord supplied w ith the switch t o the power connecto r
on the back of the switch, and then into a properly grounded electrical
outlet.
Installing t he Swi tch 208/224
Connec t power cord to
ower conne ctor.
Note The Switch 208/2 24 does not hav e a power switch. It is powered on when the
power cord is connected to the switch and to a power source.
If your installation requires a different power cord than the one supplied with
the switch, be sure to use a power cord displaying the mark of the safety
agency that defines the regulations for power cords in your country. The mark
is your assurance that the power cord can be used safely with the switch.
1-6
2. Check the LEDs on the switch’s front panel (and on the Switch Manage-
ment Module, if one is installed in the switch). The LED behavior is
described on the next page.
switch LEDs
Switch Management Module LEDs
Installing the Switch 208/224
Installation Steps
When the switch is powered on, it performs its diagnostic self test. With
the Switch Management Module insta lled, the self test takes approximately 15 seconds to complete. Without the Switch Management Module,
the test completes in approximately 4 seconds.
LED Behavior:
During the self test:
• Initially, all LEDs are on.
• With a Management Module installed, the switch port LEDs all g o off
after approximately 10 seconds, and the Management Module Self
Test and Fault LEDs stay on for an additional 5 to 7 seconds.
When the self test completes successfully:
• The Power LED and, if an RPS is connected, the RPS LED remain on.
The “100” LED for port A also stays on.
• The Fault LED on the switch, and the Self Test and Fault LEDs on the
Management Module go off.
• The port LEDs go into their normal operational mode, if they are
connected to active network devices.
If the LED display is different than what is described above, especially if
any Fault LEDs stay on for more than 30 seconds or flash, the self test has
not completed correctly. Refer to chapter 3, “Troubleshooting” for diagnostic help.
Installing t he Swi tch 208/22 4
1-7
Installing the S witch 208/ 22 4
Installation Steps
4. Mount the Sw itch
After the modules are inserted and you have verified that the switch passes
self test, you are ready to mount the switch in a stable location. The Switch
208/224 can be mounted in three ways:
■ in a rack or cabinet
■ on a wall
■ on a horizontal surface
Installing t he Swi tch 208/224
Mounting the Switch in a Rack or Cabinet
The Switch 208/224 is designed to be mounted in any EIA-standard 19-inch
telco equipment rack. To order a rack for your switch, call HP at 1-800-5388787 to order product number HP 46298D.
For safe operation, please read the mounting precautions in
appendix C, “Safety and Regulatory” before mounting a switch.
1. Use a #1 Phillips (cross-head) or Pozidriv screwdriver and attach the
mounting brackets to the swit ch with the includ ed 10-mm M3 threadforming screws .
1-8
10 mm
M3
scre w s
Installing the Switch 208/224
Installation Steps
2. Partially install a screw (5/ 8-inch number 12-2 4) into the top h ole of a p air
of holes that are 0.5 inches apart in each rack/cabine t uprigh t as shown
in the illustration below. Tighten each screw enough to support the weight
of the switch, approximately two turns. Ensure that the screws are at the
same level in each up ri g h t .
Insert a screw into
the top hole of a
close (0.5-inch)
3. Place the switch in t he ra ck and l ower it so the notches in the bottom of
the bracket slide onto th e screws. T ighten thes e screws-be careful not to
overtighten.
Installing t he Swi tch 208/22 4
1-9
Installing the S witch 208/ 22 4
Installation Steps
4. Install the oth er number 12- 24 s crew into th e upper hole in eac h bracket .
Tighten these screws-be careful not to overtighten.
Installing t he Swi tch 208/224
install
additional
screw
1-10
Installing the Switch 208/224
Installation Steps
Mounting the Switch on a Wall
You can mount the switch on a wall as shown in the illustration below. Note
that the switch should be mounted only to a wall or wood surface that is at
least 1/2-inch plywood or its equivalent.
1. Using a Phil lips ( cross- head) or P ozidri v screwd river w ith the 1 0-mm M3
thread-forming screws included in the accessory kit, attach the mounting
brackets to the switch as shown in the illustration below.
2. Attach the switch to the wall or wood surface with 5/8-inch number 12
wood screws (not included}.
Installing t he Swi tch 208/22 4
Mounting the Switch on a Horizontal Surface
Place the switch on a table or other horizontal surface . Use a sturd y surface
in an uncluttered area. You may want to secure the networ kin g cab les and
switch power cord to the table leg or other part of the surface structure to
help prevent people from tripp ing ov er the cords.
Caution Make sure the air flow is not restricted around the sides and back of the switch,
and around the HP J2692A Redundant Power Supply, if used.
1-11
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