H3C MSR Router Comware 5 Series Manual page 149

Item
Cable
Interface standard
Dial-up mode
Bandwidth
Interface LEDs
Figure 157 FIC-2FXS panel
Figure 158 FIC-2FXO panel
Figure 159 FIC-4FXS panel
Figure 160 FIC-4FXO panel
Description
Telephone cable with ferrite core
•
ITU Q.512-compliant subscriber circuit interface
(FIC-2FXS/FIC-4FXS)
•
ITU Q.552-compliant loop trunk interface (FIC-2FXO/FIC-4FXO)
•
ITU K.20-compliant overcurrent protection
Dual-tone multifrequency (DTMF), compliant with GB3378
(Pulse dial is not available.)
300 Hz to 3400 Hz
140