3Com 3C13880, 3C13759, 3C13701, 3C13840, 3C13751 Router 4-Port ISDN-S/T MIM Module, Introduction

3Com Router 5000 and Router 6000 v2.41	Chapter 3
Module Guide	Multifunctional Interface Modules (Router 5000)

Step 4: Connect the E1 cable to the device to be connected.

Step 5: Power on the Router, and check the LEDs of the corresponding slot on the

front panel: ON means that the MIM is operating normally and OFF means that the POST of the MIM has failed. In the latter case, please contact your agent;

Step 6: Check the behavior of the LINK LED on the module panel. It is OFF when fault has occurred on the link and signal is out of synchronization. In this case, please check the link.

3.9 Router 4-Port ISDN-S/T MIM Module

3.9.1 Introduction

4-port ISDN BRI interface module (Router 4-Port ISDN-S/T MIM) serves to transmit/receive and handle four channels of data streams on the ISDN BRI S/T interface.

Router 4-Port ISDN-S/T MIM can work in dialup mode and leased line service mode.

3.9.2 Interface Attributes

The interface attributes of Router 4-Port ISDN-S/T MIM are given in the following figure:

Table 3-23Interface attributes of Router 4-Port ISDN-S/T MIM

Attribute		Description
Connector	RJ-45
Number of connectors	4
Cable	ISDN S/T cable
Protocols and standards	ITU-T I.430, Q.921, Q.931 compliant
Operating mode	1)	ISDN dialup
	2)	ISDN leased line
	1)	ISDN
	2)	Supplementary ISDN services
Services supported	3) Multi-user number
	4)	Sub-address
	5)	Backup

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