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INTRODUCTION
Page 1-2
1.2 GETTING HELP
If you need additional support related to the Cabletron Systems TRXI,
or if you have any questions, comments, or suggestions concerning this
manual, contact Cabletron Systems Technical Support:
By phone ......................... (603) 332-9400
Monday-Friday; 8am - 8pm EST
By CompuServe
®
............ GO CTRON from any ! prompt
By Internet mail............. support@ctron.com
1.3 TRXI ACTIVE CONCENTRATOR OVERVIEW
The TRXI stand-alone concentrator provides 12 or 24 RJ45 active
Trunk Coupling Units (TCUs) for Shielded Twisted Pair (STP) or
Unshielded Twisted Pair (UTP) network lobe connections. The
TRXI-22A, 24A, 42A, and 44A are functionally identical with the
exception of the TCU lobe ports. Cabletron offers the following TRXI
configurations:
•
TRXI-22A
, twelve active RJ45 TCU lobe ports that support
category 3, 4, and 5 UTP cabling.
•
TRXI-24A
, twenty-four active RJ45 TCU lobe ports that
support category 3, 4, and 5 UTP cabling.
•
TRXI-42A
, twelve active RJ45 TCU lobe ports that support
IBM Type 1, 2, 6, and 9 STP cabling.
•
TRXI-44A
, twenty-four active RJ45 TCU lobe ports that
support IBM Type 1, 2, 6, and 9 STP cabling.
Figure 1-1. The TRXI-24A
DISPLAY
RI
RO
TRXI-24A TOKEN RING HUB WITH LANVIEW®
24 23 22 21 20 19
18 17 16 15 14 13
12 11 10 9 8 7
6 5 4 3 2 1
COM 2 COM 1
18 17 16 15 14 13
6 5 4 3 2 1
24 23 22 21 20 19
12 11 10 9 8 7
RO
RI
PWR
CPU
ACT
MGMT16 Mb/s
RESET
DISPLAY