HP MSR2000/3000/4000 Router Series Interface Module Guide

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Interface cables and the connection methods
For more information about FXS/FXO interface cables and the connection methods, see
"ADSL/BS/FXS/FXO/AM/FCM interface."
HMIM-4E&M
Introduction
The 4-port voice E&M analog trunk interface module (HMIM-4E&M) provides and transmits over data
communications networks voice signals for 4 E&M analog trunks.
Interface specifications
Table 133 HMIM-4E&M interface specifications
Item Descri
p
tion
Connector RJ-45
Number of connectors 4
Cable type
• Telephone cable with ferrite core
• E&M trunk cable (only for E&M modules, made on site)
Interface standard
• G.712-compliant E&M trunk interface (HMIM-4E&M), E&M interface
(supporting Bell type I, II, III, V, and support 2-wire and 4-wire)
• ITU K.20-compliant over-current and over-voltage protection
Dial-up mode DTMF, compliant with GB3378 (Pulse dial-up is not available.)
Bandwidth 300 Hz to 3400 Hz
Interface LEDs
Figure 96 HMIM-4E&M panel
Table 134 HMIM-4E&M LED description
LED Descri
p
tion
LINK
• ON means a link is present.
• OFF means no link is present.
ACT
• ON means there is call activity.
• OFF means the channel is idle.
Interface cables and the connection methods
For more information about E&M interface cables and the connection methods, see "E&M interface."