4000 Router Series Interface Module Guide

The following table describes the LEDs on the MIM-1VT1 panel:

Table 101 Description for the LEDs on the MIM-1VT1 panel

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.

Note:

AIS = Alarm indication signal; LFA = loss of frame alignment; RAI = Remote alarm indication

Interface cables and the connection methods

For more information about T1 interface cables and the connection methods, see "T1 interface."

MIM-2VE1

Introduction

2-port E1 voice interface module (MIM-2VE1) handles dense voice signals in a VoIP system. It provides

two CE1/PRI/R2 ports, allowing the access of 60 channels of voice signals.

Interface attributes

The interface attributes of MIM-2VE1 are shown in the following table.

Table 102 Interface attributes of MIM-2VE1

Attribute Descri

tion

Connector D15

Number of connectors 2

Operating mode

CE1

ISDN PRI

Interface rate 2.048 Mbps

Cable

E1 120-ohm balanced twisted pair cable

75ohm-to-120ohm adapter

Supported service

• R2 signaling

• DSS1 signaling

• IP Fax

• General VoIP features in Comware

Interface LEDs

MIM-2VE1 panel is shown in the following figure: