3Com 3C13886 Installation Guide - Page 76

Router 2 and 4-Port CE1/PRI MIM Modules, Introduction, Interface Attributes

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3Com Router Module Guide Chapter 3 Multifunctional Interface Modules Step 2: Plug the DB-28 connector of the cable to the corresponding DB-28 port on the MIM card. Step 3: Connect the other end of the cable as follows: z If the WAN is a DDN line, connect the cable to the port on the CSU/DSU. z If the WAN is a dialup line, connect the cable to the serial port of an analog modem. Step 4: Power on the router, and check behavior of the LINK LED on the MIM panel. It is OFF when fault occurs on the line and signal is not synchronized. Check the line status. 3.8 Router 2 and 4-Port CE1/PRI MIM Modules 3.8.1 Introduction I. 2 and 4-Port CE1/PRI Router 2 and 4-Port CE1/PRI MIM, the 1-/2-/4-port channelized E1/PRI interface module, transmits, receives, and processes E1 data traffic. In addition, you can use the card for other purposes, such as CE1 access and the ISDN PRI function. II. The module is different from the 2 and 4-Port CE1/PRI module in the sense that: z The FE1 operating mode supported by the E1-F cards allows only one n x 64 kbps bundle to be formed on each interface, where n = 1 to 31. However, an E1 card allows arbitrary grouping of 31 channels and multiple bundles. z The E1-F modules do not support PRI mode. 3.8.2 Interface Attributes The interface attributes of Router 2 and 4-Port CE1/PRI MIM and are given in the following table: Table 3-19 Interface attributes of Router 2 and 4-Port CE1/PRI MIM and Attribute Description 2-port module 4-port module Connector DB-15 DB-25 Number of connectors 2 1 Interface standard G.703, G.704 Interface rate 2.048 Mbps 3-32

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3Com Router Module Guide
Chapter 3
Multifunctional Interface Modules
3-32
Step 2: Plug the DB-28 connector of the cable to the corresponding DB-28 port on the
MIM card.
Step 3: Connect the other end of the cable as follows:
If the WAN is a DDN line, connect the cable to the port on the CSU/DSU.
If the WAN is a dialup line, connect the cable to the serial port of an analog
modem.
Step 4: Power on the router, and check behavior of the LINK LED on the MIM panel. It
is OFF when fault occurs on the line and signal is not synchronized. Check the line
status.
3.8
Router 2 and 4-Port CE1/PRI MIM Modules
3.8.1
Introduction
I. 2 and 4-Port CE1/PRI
Router 2 and 4-Port CE1/PRI MIM, the 1-/2-/4-port channelized E1/PRI interface
module, transmits, receives, and processes E1 data traffic. In addition, you can use
the card for other purposes, such as CE1 access and the ISDN PRI function.
II.
The
module is different from the 2 and 4-Port CE1/PRI module in the sense that:
The FE1 operating mode supported by the E1-F cards allows only one n x 64
kbps bundle to be formed on each interface, where n = 1 to 31. However, an E1
card allows arbitrary grouping of 31 channels and multiple bundles.
The E1-F modules do not support PRI mode.
3.8.2
Interface Attributes
The interface attributes of Router 2 and 4-Port CE1/PRI MIM and
are given in the
following table:
Table 3-19
Interface attributes of Router 2 and 4-Port CE1/PRI MIM and
Description
Attribute
2-port module
4-port module
Connector
DB-15
DB-25
Number of
connectors
2
1
Interface standard
G.703, G.704
Interface rate
2.048 Mbps