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194 CHAPTER 4: FLEXIBLE INTERFACE CARDS
Interface LEDs The following figure illustrates the FIC-2FXS panel:
Figure 235 FIC-2FXS panel
The following figure illustrates the FIC-2FXO panel:
Figure 236 FIC-2FXO panel
The following figure illustrates the FIC-2E&M panel:
Figure 237 FIC-2E&M panel
The following figure illustrates the FIC-4FXS panel:
Interface standard ITU Q.512-compliant subscriber circuit
interface (FIC-2FXS/FIC-4FXS)
ITU Q.552-compliant loop trunk interface
(FIC-2FXO/FIC-4FXO)
G.712-compliant E&M trunk interface
(FIC-2E&M/FIC-4E&M), E&M interface
(supporting Bell type I, II, III, and V, using
both two-wire and four-wire
implementations)
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
Table 139 Interface attributes of the FIC-2FXS/FIC-2FXO/FIC-2E&M and the
FIC-4FXS/FIC-4FXO/FIC-4E&M
Attribute Description