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3Com Router 5000 and Router 6000 v2.41
Module Guide
Chapter 3
Multifunctional Interface Modules (Router 5000)
3-58
6) Check the status of the LINK LED on the panel of the IMA-4E1 interface card
after power-on. If the LED is off (indicating the line is faulty, and the signal is
desynchronized), check the line.
3.15 Router 4-Port T1 IMA MIM
3.15.1 Introduction to the Interface card
The Router 4-Port T1 IMA MIM interface card provides four T1 interfaces that support
the IMA technology. The network application of the two cards is similar to the IMA-8E1/
IMA-4E1 interface card.
3.15.2 Appearance of the Interface Card
The following figure shows the appearance of the Router 4-Port T1 IMA MIM interface
card:
Figure 3-62 Appearance of the Router 4-Port T1 IMA MIM interface card
3.15.3 Interface Attributes
The following table describes the Router 4-Port T1 IMA MIM interface attributes:
Table 3-36 Router 4-Port T1 IMA MIM interface attributes
Description
Item
Router 4-Port T1 IMA MIM
Connector type DB68
Connector quantity One
Interface standard ITU-G.703, ITU-G.704
Cable type T1 shielded twisted pair