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Figure 18-164: Two-Slot Voice Network Module, NM-2V
Figure 18-165: Voice Interface Card with FXS Interface, VIC-2FXS
An FXS (foreign exchange station) interface connects directly to a standard telephone, fax machine, or similar device. This
interface supplies ringing voltage, dial tone, and so on to the station. Ports on this interface card are color-coded gray. Use a
standard RJ-11 modular telephone cable to connect this interface to a telephone or fax machine
Figure 18-166: Voice Interface Card with FXO Interface, VIC-2FXO
An FXO (foreign exchange office) interface connects local calls to a central office or PBX. This is the interface a standard
telephone provides. Ports on this interface card are color-coded pink. Use a standard RJ-11 modular telephone cable to
connect this interface to the public switched telephone network or PBX through a telephone wall outlet
Figure 18-167: Voice Interface Card with E&M Interface, VIC-2E&M
The two port E&M voice/fax interface card supports 2- and 4-wire interfaces and is typically used for connecting to the trunk
side of the PBX for PBX-to-PBX connections. Use a standard RJ-11 modular telephone cable to connect this interface to the
PBX or PABX.
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