4000 Router Series Interface Module Guide

HMIM-2VE1

Introduction

The 2-port E1 voice interface module (HMIM-2VE1) can handle dense voice signals in VoIP system. It

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

Interface specifications

Table 125 HMIM-2VE1 interface specifications

Item Descri

tion

Connector D15

Number of connectors 2

Operating mode

• CE1

• ISDN PRI

• R2

Interface rate 2.048 Mbps

Cable type

• E1 75-ohm unbalanced coaxial cable

• E1 120-ohm balanced twisted pair cable

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

(with BNC connector)

Supported service

• R2 signaling

• DSS1 signaling

• IP Fax

• General VoIP features in Comware

Interface LEDs

Figure 91 HMIM-2VE1 panel

Table 126 HMIM-2VE1 LED description

LED Descri

tion

LINK/ACT

• ON means carrier signal has been received.

• OFF means no carrier signal has been received.

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

LP/AL

• ON means the interface is in a loopback.

• OFF means no loopback or alarm is present.

• Flashing means an alarm indication signal (AIS), loss of frame alignment

(LFA) signal, or remote alarm indication (RAI) signal is present.

Interface cables and the connection methods

For more information about E1 interface cables and the connection methods, see "E1 interface."