Foreign Exchange Station (Fxs) Interface Cards - Cisco 1601 - Router - EN Hardware Installation Manual

Voice Interface Cards

Foreign Exchange Station (FXS) Interface Cards

A Foreign Exchange Station (FXS) 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. The ports are
shown in
To comply with the Telcordia GR-1089 NEBS standard for electromagnetic compatibility and safety,
Caution
connect the 2-port FXS cards (VIC-2FXS and VIC2-2FXS) and 4-port FXS/DID cards (VIC-4FXS/DID)
only to intrabuilding or non-exposed wiring or cabling. The intrabuilding cable must be shielded and the
shield must be grounded at both ends.
Each port on the 4-port FXS/DID VIC can be configured as either Foreign Exchange Station (FXS) or
Note
Direct Inward Dial (DID) when it is used with phones with a Ringer Equivalence Number (REN) load
of 1 or less.
If the REN load on any port is greater than 1, all four ports must be configured as either FXS or DID.
For information about using analog DID with the 4-port FXS/DID VIC, see the
Dial (DID) Interface Cards" section on page
Cisco 2600XM series, Cisco 2691, Cisco 2800 series, Cisco 3600 series, Cisco 3700 series, and
Note
Cisco 3800 series routers support DID on the 4-port FXS/DID cards in Cisco IOS Release 12.3(14)T and
later.
The Cisco 1751 router can support three 4-port FXS/DID VICs, up to a maximum of four DID ports. The
Note
Cisco 1760 router can support four 4-port FXS/DID VICs, up to a maximum of eight DID ports.
The Cisco ICS 7750 also supports 8 FXS ports on the analog station interface 81 (ASI 81), and 16 FXS
Note
ports on the ASI 160. See the "Processor Cards Feature Summary" chapter in the
Description
Figure 79
VIC
FXS
Figure 79, Figure 80, and
document.
2-Port FXS Card Front Panel (VIC-2FXS)
1
SEE MANUAL BEFORE INSTALLATION
Figure 81.
13.
0
Foreign Exchange Station (FXS) Interface Cards
"Analog Direct Inward
Cisco ICS 7750 System
OL-12847-01
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