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Interface cables and connection methods
For more information about FXS / FXO interface cables and connection methods, see
"ADSL/BS/FXS/FXO/AM/FCM interface."
FIC-4E&M
Introduction
The 4-port voice E&M analog trunk interface module (FIC-4E&M) processes and transmits over data
communications networks voice signals for 4 E&M analog trunks.
Interface specifications
Table 210 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 155 FIC-4E&M panel
Table 211 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.
Interface cables and connection methods
For more information about E&M Interface cables and connection methods, see "E&M interface."