Allied Telesis AT-FH708SW User manual

AT-FH708SW
AT-FH712SW
AT-FH716SW
AT-FH724SW
AT-FH716
Dual-speed Hubs
Installation Guide
PN 613-10710-00 Rev. G

Copyright 1999 Allied Telesyn International, Corp.
960 Stewart Drive Suite B, Sunnyvale CA 94086 USA
All rights reserved. No part of this publication may be reproduced without prior written permission
from AlliedTelesyn International, Corp.
Ethernet is a registered trademark of Xerox Corporation. All other product names, company names,
logos or other designations mentioned herein are trademarks or registered trademarks of their
respective owners.
AlliedTelesyn International, Corp. reserves the right to make changes in specifications and other
information contained in this document without prior written notice. The information provided
herein is subject to change without notice. In no event shall AlliedTelesyn International, Corp. be
liable for any incidental, special, indirect, or consequential damages whatsoever, including but not
limited to lost profits, arising out of or related to this manual or the information contained herein,
even if AlliedTelesyn International, Corp. has been advised of, known, or should have known, the
possibility of such damages.

iii
Statements
AT-FH708SW, AT-FH712SW, AT-FH716SW, AT-FH724SW
or AT-FH716 in a Stacked Configuration
FCC Warning
RADIATED ENERGY
U.S. Federal Communications
Note: This equipment has been tested and found to comply with the limits for a
Class A digital device pursuant to Part 15 of FCC Rules. These limits are designed
to provide reasonable protection against harmful interference when the
equipment is operated in a commercial environment. This equipment generates,
uses, and can radiate radio frequency energy and, if not installed and used in
accordance with this instruction manual, may cause harmful interference to radio
communications. Operation of this equipment in a residential area is likely to
cause harmful interference in which case the user will be required to correct the
interference at his own expense.
Note: Modifications or changes not expressly approved of by the manufacturer or
the FCC, can void your right to operate this equipment.
Use Category 3, 4, or 5 unshielded or shielded twisted-pair cable for all 10 Mbps
RJ45 connections, and Category 5 unshielded or shielded twisted-pair for all 100
Mbps RJ45 connections.
Class A (Canada Department of Communications)
Industry Canada
This Class A digital apparatus meets all requirements of the Canadian
Interference-Causing Equipment Regulations.
Cet appareil numérique de la classe A respecte toutes les exigences du Règlement
sur le matériel brouilleur du Canada.

iv
CE Mark Warning
This is a Class A product. In a domestic environment, this product may cause
radio interference in which case the user may be required to take adequate
measures.
This is to certify that this product complies with ISO/IEC Guide 22 and EN45014.
It confirms to the following specifications:
EMC: EN55022 (1988)/CISPR-22(1985) Class A
IEC1000-4-2(1995) 4kV CD, 8kV AD
IEC1000-4-3(1995) 3V/m
IEC1000-4-4(1995) 1kV - (power line), 0.5kV - signal
line
IEC1000-4-6(1995) 3Vrms

Statements
v
AT-FH708SW, AT-FH712SW, AT-FH716SW, AT-FH724SW,
AT-FH716 in a Standalone Operation Only
FCC Warning
U.S. Federal Communications Commission
DECLARATION OF CONFORMITY
Manufacture Name: AlliedTelesyn International, Corp.
Manufacture Address: 960 Stewart Drive, Suite B
Sunnyvale, CA 94086 USA
Manufacture Telephone: [phone]
Declares that the Product: Dual-speed hubs
Model Numbers: AT-FH708SW, AT-FH712SW, AT-FH716SW,
AT-FH724SW, AT-FH716
This product complies with FCC Part 15B, Class B Limits:
This device complies with part 15 of the FCC Rules. Operation is subject to the following two
conditions: (1) This device must not cause harmful interference, and (2) this device must accept any
interference received, including interference that may cause undesired operation.
RADIATED ENERGY
Note: This equipment has been tested and found to comply with the limits for a Class B digital device
pursuant to Part 15 of 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 instructions, may cause
harmful interference to radio or television reception, which can be determined by turning the
equipment off and on; the user is encouraged to try to correct the interference by one or more of the
following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and the receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
- Consult the dealer or an experienced radio/TV technician for help.
Changes and modifications not expressly approved by the manufacturer or registrant of this
equipment can void your authority to operate this equipment under Federal Communications
Commission rules.
WARNING: This product requires only Category 3, 4, or 5 shielded twisted-pair cable for all 10 Mbps
RJ45 connections, and Category 5 shielded twisted-pair for all 100 Mbps RJ45 connections to
comply with Class B emission limits. If not used with shielded cables, this product may cause radio
interference in which case the user may be required to take adequate measures to reduce interference
levels.
Canadian Department of Commissions
This Class B digital apparatus meets all requirements of the Canadian Interference-Causing
Equipment Regulations.
Cet appareil numérique de la classe B respecte toutes les exigences du Règlement sur le matériel
brouilleur du Canada.

AT-FH700 Series Hubs Installation Guide
vi
CE Mark Warning
This is to certify that this product complies with ISO/IEC Guide 22 and EN45014.
It confirms to the following specifications:
Warning
This product requires shielded cables to comply with Class B emission limits.
If not used with shielded cables, this product may cause radio interference in
which case the user may be required to take adequate measures.
This product complies with the requirements of the Low Voltage Directive 73/23/
EEC and the EMC Directive 89/336/EEC.
Warning
Do not plug a phone jack connector in the RJ45 port. This may damage the
device.
AT-FH708SW, AT-FH716SW and AT-FH716 in a Stacked or
Standalone Operation
Safety Compliance
UnderWriters Laboratories, Inc. (USA)
EMC: EN55022 (1988)/CISPR-22(1985) Class B
IEC1000-4-2(1995) 4kV CD, 8kV AD
IEC1000-4-3(1995) 3V/m
IEC1000-4-4(1995) 1kV - (power line), 0.5kV - signal
line
IEC1000-4-6(1995) 3Vrms

Statements
vii
AT-FH712SW and AT-FH724SW in a Stacked or
Standalone Operation
Safety Compliance CSA/NRTL
Important! Before making connections, make sure you have the correct cord set.
Wichtige Sicherheitshinweise
1. Bitte lesen Sie sich diese Hinweise sorgfältig durch.
2. Heben Sie diese Anleitung für den späteren Gebrauch auf.
3. Vor jedem Reinigen ist das Gerät vom Stromnetz zu trennen. Verwenden
Sie keine Flüssig- oder Aerosolreiniger. Am besten dient ein
angefeuchtetes Tuch zur Reinigung.
4. Um eine Beschädigung des Gerätes zu vermeiden sollten Sie nur
Zubehörteile verwenden, die vom Hersteller zugelassen sind.
5. Das Gerät ist vor Feuchtigkeit zu schützen.
6. Bei der Aufstellung des Gerätes ist auf sicheren Stand zu achten. Ein
Kippen oder Fallen könnte Verletzungen hervorrufen. Verwenden Sie
nur sichere Standorte und beachten Sie die Aufstellhinweise des
Herstellers.
7. Die Belüftungsöffnungen dienen zur Luftzirkulation die das Gerät vor
Überhitzung schützt. Sorgen Sie dafür, daß diese Öffnungen nicht
abgedeckt werden.
8. Beachten Sie beim Anschluß an das Stromnetz die Anschlußwerte.
9. Die Netzanschlußsteckdose muß aus Gründen der elektrischen
Sicherheit einen Schutzleiterkontakt haben.
10. Verlegen Sie die Netzanschlußleitung so daß niemand darüber fallen
kann. Es sollte auch nichts auf der Leitung abgestellt werden.
11. Alle Hinweise und Warnungen die sich am Gerät befinden sind zu
beachten.
12. Wird das Gerät über einen längeren Zeitraum nicht benutzt, sollten Sie es
vom Stromnetz trennen. Somit wird im Falle einer Überspannung eine
Beschädigung vermieden.
13. Durch die Lüftungsöffnungen dürfen niemals Gegenstände oder
Flüssigkeiten in das Gerät gelangen. Dies könnte einen Brand bzw.
elektrischen Schlag auslösen.

AT-FH700 Series Hubs Installation Guide
viii
14. Öffnen Sie niemals das Gerät. Das Gerät darf aus Gründen der
elektrischen Sicherheit nur von authorisiertem Servicepersonal geöffnet
werden.
15. Wenn folgende Situationen auftreten ist das Gerät vom Stromnetz zu
trennen und von einer qualifizierten Servicestelle zu überprüfen:
a. Netzkabel oder Netzstecker sind beschädigt.
b. Flüssigkeit ist in das Gerät eingedrungen.
c. Das Gerät war Feuchtigkeit ausgesetzt.
d. Wenn das Gerät nicht der Bedienungsanleitung entsprechend
funktioniert oder Sie mit Hilfe dieser Anleitung keine Verbesserung
erzielen.
e. Das Gerät ist gefallen und/oder das Gehäuse ist beschädigt.
f. Wenn das Gerät deutliche Anzeichen eines Defektes aufweist.
16. Bei Reparaturen dürfen nur Orginalersatzteile bzw. den Orginalteilen
entsprechende Teile verwendet werden. Der Einsatz von ungeeigneten
Ersatzteilen kann eine weitere Beschädigung hervorrufen.
17. Wenden Sie sich mit allen Fragen die Service und Reparatur betreffen an
Ihren Servicepartner. Somit stellen Sie die Betriebssicherheit des Gerätes
sicher.

ix
Table of Content
Statements .............................................................................................................. iii
AT-FH708SW, AT-FH712SW, AT-FH716SW, AT-FH724SW or
AT-FH716 in a Stacked Configuration............................................................... iii
FCC Warning................................................................................................... iii
Class A (Canada Department of Communications) .....................................iii
CE Mark Warning ........................................................................................... iii
AT-FH708SW, AT-FH712SW, AT-FH716SW, AT-FH724SW,
AT-FH716 in a Standalone Operation Only ...................................................... iv
FCC Warning................................................................................................... iv
CE Mark Warning ............................................................................................ v
AT-FH708SW, AT-FH716SW and AT-FH716 in a Stacked or
Standalone Operation........................................................................................... v
AT-FH712SW and AT-FH724SW in a Stacked or Standalone Operation .......... vi
Safety Compliance CSA/NRTL....................................................................... vi
Chapter 1
Product Description ............................................................................................... 1
Overview................................................................................................................... 1
Key Features ............................................................................................................. 3
Front Panels ............................................................................................................. 4
Front Panel LEDs ............................................................................................. 5
Front Panel Connectors ................................................................................... 6
MDI /MDI-X Switch........................................................................................ 6
Rear Panel................................................................................................................. 7
Power Supply and Fan ..................................................................................... 7
Stacking Connectors ........................................................................................ 7
Rackmount Options ................................................................................................ 7

x
Chapter 2
Installatio .............................................................................................................. 9
Verifying Package Contents..................................................................................... 9
Site Requirements .................................................................................................. 10
Standalone Desktop Installation ........................................................................... 10
Rackmounting the Hubs........................................................................................ 11
Stacking the Hubs .................................................................................................. 12
Connecting Network Devices................................................................................ 13
Connecting Ethernet or Fast Ethernet Workstations ................................... 13
Using An External Switch (AT-FH716) ........................................................ 14
Using the Integrated Switch Module............................................................. 15
Connecting Devices to the MDI/MDI-X Ports.............................................16
Cable Length and Cascading Considerations ............................................... 16
Chapter 3
Troubleshooting ................................................................................................... 17
Contacting Allied Telesyn’s Technical Support ................................................... 17
Verifying System Information............................................................................... 17
Diagnosing Hub Indicators ................................................................................... 18
Power and Cooling Problems................................................................................ 18
Appendix A
Product Specifications for the AT-FH700 Series Hubs ...................................... 19
Appendix B
Technical Support Fax Order .............................................................................. 21
Incident Summary ................................................................................................. 21
Appendix C
AT-FH700 Series Hubs Installation Guide Feedbac ........................................ 23
Appendix D
Where To Find Us ................................................................................................ 25