Token Ring 2-Port
Multi-Media Repeater
24
CAUTION: RJ connectors are NOT INTENDED FOR
CONNECTION TO THE PUBLIC TELEPHONE
NETWORK. Failure to observe this caution could result
in damage to the public telephone network.
Compliance Information
UL Listed
C-UL Listed (Canada)
CISPR/EN55022 Class A
FCC Regulations
This equipment has been tested and found to comply with the limits for a class
A digital device, pursuant to part 15 of the FCC rules. These limits are
designed to provide reasonable protection against harmful interference when
the equipment is operated in a commercial environment. This equipment
generates, uses, and can radiate radio frequency energy and, if not installed
and used in accordance with the instruction manual, may cause harmful
interference to radio communications. Operation of this equipment in a
residential area is likely to cause harmful interference, in which case the user
will be required to correct the interference at the user’s own expense.
Canadian Regulations
This digital apparatus does not exceed the Class A limits for radio noise for
digital apparatus set out on the radio interference regulations of the Canadian
Department of Communications.
European Regulations
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.
Copyright Restrictions
© 1996 TRANSITION Networks Inc.
All rights reserved. No part of this work may be reproduced or used in any
form or by any means – graphic, electronic, or mechanical – without written
permission from TRANSITION Networks Inc.
Trademark Notice
All registered trademarks and trademarks are the property of their respective
owners.
Der Anschluss dieses Gerätes an ein öffentlickes
Telekommunikationsnetz in den EG-Mitgliedstaaten verstösst gegen die
jeweligen einzelstaatlichen Gesetze zur Anwendung der Richtlinie
91/263/EWG zur Angleichung der Rechtsvorschriften der
Mitgliedstaaten über Telekommunikationsendeinrichtungen
einschliesslich der gegenseitigen Anerkennung ihrer Konformität.
IBM Type 1 Cable and Connector Specifications
Cable Characteristics:
Type 1 cable consists of two twisted pairs in a foil braid shield.
Gauge
22 AWG
Differential Characteristic Impedance
150
Ω
Cable Type
IBM PN or equivalent
Type 1 Plenum
4716748
Type 1 PVC
4716749
Connector Characteristics:
Data Connectors (IBM PN 8310574 or equivalent) can be connected to IBM
Type 1 cable.
Twisted Pair Cable and Connector Specifications
The physical characteristics of the twisted pair cable must meet or exceed the
following:
Cable Characteristics:
Category 3 wire or better is required; category 5 wire is recommended. Either
shielded twisted pair (STP) or unshielded twisted pair (UTP) can be used.
Gauge
26 to 22 AWG
Attenuation
Less than 11.5 dB @ 5-10 MHz
Differential Characteristic Impedance
85 -110
Ω
@ 10 MHz
DO NOT USE FLAT OR “SILVER SATIN” WIRE.
Connector Characteristics:
10BaseT twisted pair connection requires two active pairs minimum. Use only
dedicated wire pairs (such as blue/white & white/blue, orange/white &
white/orange) for the active pins.
In the Token Ring
network, twisted
pair cable must be
configured as
straight through.
