4000 Router Series Interface Module Guide

Attribute

Descri

tion

MIM-2E1 module

MIM-4E1/4E1-F module

Cable type

• E1 75-ohm unbalanced coaxial cable

• E1 120-ohm balanced twisted pair cable

• 120-ohm 4E1 conversion cable (MIM-4E1/MIM-4E1-F modules)

• 75-ohm 4E1 conversion cable (MIM-4E1/MIM-4E1-F modules)

• Coaxial connector, network interface connector and 75-ohm to 120-ohm adapter

(with BNC connector)

Operating mode

E1, CE1, ISDN PRI (only supported by MIM-2E1/MIM-4E1)

FE1 (only supported by MIM-4E1-F)

Supported service

• Backup

• Terminal access service

• ISDN PRI (only supported by MIM-4E1)

Interface LEDs

The following figure illustrates a MIM-2E1 panel.

Figure 46 MIM-2E1 panel

The following figure illustrates a MIM-4E1 module.

Figure 47 MIM-4E1 panel

The following figure illustrates a MIM-4E1-F module.

Figure 48 MIM-4E1-F panel

The following table describes the LEDs on MIM-2E1/MIM-4E1 and MIM-4E1-F panels:

Table 73 Description for the LEDs on MIM-2E1/MIM-4E1 and MIM-4E1-F panels

LED Descri

tion

LINK/ACT

• ON means carrier signal has been received.

• Flashing means data is being received or/and transmitted.

• OFF means no carrier signal has been received.

LP/AL

• ON means the interface is in a loopback.

• Flashing means an AIS, LFA, or RAI alarm signal is present.

• OFF means no loopback or alarm is present.