130
FIC-4FXS/FIC-4FXO
Introduction
The 4-port voice subscriber circuit interface module (FIC-4FXS) processes and transmits over data
communications networks voice signals for 4 regular analog phones, faxes, or AT0 loop trunks of
telephone exchanges.
The 4-port voice AT0 analog trunk interface module (FIC-4FXO) processes and transmits over data
communications networks voice signals for 4 loops of telephone exchanges.
Interface specifications
Table 208 Interface specifications
Connector
RJ-45
Number of connectors
• 4
Cable
• Telephone cable with ferrite core
• E&M trunk cable (only for E&M modules, made on site)
Interface standard
• ITU Q.512-compliant subscriber circuit interface (FIC-4FXS)
• ITU Q.552-compliant loop trunk interface (FIC-4FXO)
• ITU K.20-compliant overcurrent protection
Dial-up mode
Dual-tone multifrequency (DTMF), compliant with GB3378
(Pulse dial is not available.)
Bandwidth
300 Hz to 3400 Hz
Interface LEDs
Figure 153 FIC-4FXS panel
Figure 154 FIC-4FXO panel
Table 209 LED description
LINK
• Off means no link is present.
• On means a link is present.
ACT
• Off means the channel is idle.
• On means there is call activity.