97
Voice interface module
• HMIM-16FXS
• HMIM-2VE1
• HMIM-1VE1
• HMIM-2VT1
• HMIM-1VT1
• HMIM-4FXS
• HMIM-4FXO
• HMIM-4E&M
HMIM-16FXS
Introduction
The 16-port loop trunk interface module HHMIM-16FXS provides access for and handles 16
channels of analog voice signals over data communication networks. The module provides 16 FXS
interfaces.
FXS interfaces are analog subscriber line interfaces that provide analog telephone and fax access
and also can connect AT0 loop trunks of exchanges.
Interface specifications
Table 153 Interface specifications
Connector type RJ-11
Number of connectors 16 (FXS interfaces)
Interface standard
• ITU Q.512-compliant subscriber circuit interface (FXS)
• ITU K.20-compliant over-current and over-voltage protection
Cable type Telephone cable with ferrite core
Dial-up mode DTMF, compliant with GB3378 (Pulse dial-up is not available.)
Bandwidth 300 to 3400 Hz
Interface LEDs
Figure 114 HMIM-16FXS front panel
Table 154 LED descriptions
LINK/ACT
• Steady green: A link is present and a call connection is being established.
• Off: No link is present.
• Flashing: A link is present and there is a call activity.
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