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3Com Router 5000 and Router 6000 v2.41
Module Guide
Chapter 3
Multifunctional Interface Modules (Router 5000)
3-44
Step 1: On Router 4-Port ISDN-S/T MIM, choose the port for connection;
Step 2: Confirm the type of ISDN line provided by the telecom carrier;
Step 3: Connect the cable:
z If the line is an ISDN U line, adapt it using an NT1 adapter by plugging one end of
the S/T interface cable to the S/T port of the NT1 adapter and the other end to the
BRI port on Router 4-Port ISDN-S/T MIM;
z If the line is an ISDN BRI S/T interface line, directly connect the cable to the BRI
port on Router 4-Port ISDN-S/T MIM;
Step 4: Power on the Router, and check the LEDs of the corresponding slot on the
front panel: ON means that Router 4-Port ISDN-S/T MIM is operating normally and
OFF means that the POST of Router 4-Port ISDN-S/T MIM has failed. In the latter
case, please contact your agent.
3.10 Router 2-Port CT1/PRI MIM
3.10.1 Introduction
I. Router 2-Port CT1/PRI MIMmodule
1/2/4-port channelized T1/PRI interface module serves to transmit/receive and handle
T1 data streams, provide CT1 access, and fulfill the function of ISDN PRI. Thereby,
one card can be used for multiple purposes.
II.
1/2/4-port fractional T1 interface module and module are different in the sense that:
z FT1 operating mode supported by T1-F modules allows only one bundle. In other
words, the time slots can only be bundled into one nx64 kbps or 56 kbps channel,
where n=1-24. However, a CT1 module allows of arbitrary grouping of the 24
channels;
z T1-F does not support PRI mode.
3.10.2 Interface Attributes
The interface attributes of Router 2-Port CT1/PRI MIM modules are given in the
following table:
Table 3-26 Interface attributes of Router 2-Port CT1/PRI MIM and modules
Attribute Description
Connector RJ-45
Number of connectors
2