Interface cables and connection methods
For more information about T1 interface cables and connection methods, see
HMIM-1VE1
Introduction
The 1-port E1 voice interface module (HMIM-1VE1) handles dense voice signals in VoIP system. It
provides a CE1/PRI/R2 port that allows access of a maximum of 30 channels of voice signals.
Interface specifications
Table 159 Interface specifications
Item
Connector
Number of connectors
Operating mode
Interface rate
Cable
Supported service
Interface LEDs
Figure 117 HMIM-1VE1 panel
Table 160 LED description
LED
LINK/ACT
LP/AL
Specification
D15
1
•
CE1
•
ISDN PRI
•
R2
2.048 Mbps
•
E1 75-ohm unbalanced coaxial cable
•
E1 120-ohm balanced twisted pair cable
•
Coaxial connector, network interface connector, and 75ohm-to-120ohm
adapter (with BNC connector)
•
R2 signaling
•
DSS1 signaling
•
IP Fax
•
General VoIP features in Comware
Description
•
On means carrier signal has been received.
•
Off means no carrier signal has been received.
•
Flashing means data is being received and/or transmitted.
•
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.
100
"T1
interface."
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