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MIM-8E1/MIM-8E1-F Module 89
MIM-8E1/MIM-8E1-F
Module
Introduction MIM-8E1 module
MIM-8E1, the 8-port channelized E1/PRI interface module, transmits, receives, and
processes eight channels of E1 data traffic. In addition, you can use the module for
other purposes, such as CE1 access and the ISDN PRI function.
MIM-8E1-F module
MIM-8E1-F, the 8-port fractional E1 interface module is different from the
MIM-8E1 module in the sense that:
■ The FE1 operating mode supported by the MIM-8E1-F module allows only one
n × 64 kbps bundle to be formed on each interface, where n = 1 to 31.
However, an MIM-8E1 module allows arbitrary grouping of 31 channels and
therefore multiple bundles.
■ The MIM-8E1-F module does not support PRI mode.
n
Given a MIM-8E1 module, the system automatically creates a serial interface for
each timeslot bundle formed on a controller E1 interface.
Interface Attributes The interface attributes of the MIM-8E1 and the MIM-8E1-F are given in the
following table:
Interface LEDs MIM-8E1 and MIM-8E1-F panels are similar. The following figures illustrate
MIM-8E1 panels.
Table 50 Interface attributes of the MIM-8E1 and the MIM-8E1-F
Attribute
Description
MIM-8E1/MIM-8E1-F module
(75-ohm)
MIM-8E1/MIM-8E1-F module
(120-ohm)
Connector DB-68
Number of
connectors
1
Interface standard G.703
Interface rate 2.048 Mbps
Cable type 75-ohm 8E1 conversion cable 120-ohm 8E1 conversion cable
Cable characteristic
impedance
75-ohm 120-ohm
Operating mode E1, CE1, ISDN PRI (only supported by MIM-8E1)
FE1 (only supported by MIM-8E1-F)
Supported service 1) Backup
2) Terminal access service
3) ISDN PRI (only supported by MIM-8E1)