Cisco 1760-V3PN Hardware Installation Guide - Page 119

Foreign Exchange Station (FXS) Interface Cards

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Voice Interface Cards Foreign Exchange Station (FXS) 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 Figure 79, Figure 80, and Figure 81. Caution To comply with the Telcordia GR-1089 NEBS standard for electromagnetic compatibility and safety, 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. Note Each port on the 4-port FXS/DID VIC can be configured as either Foreign Exchange Station (FXS) or 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 "Analog Direct Inward Dial (DID) Interface Cards" section on page 13. Note Cisco 2600XM series, Cisco 2691, Cisco 2800 series, Cisco 3600 series, Cisco 3700 series, and Cisco 3800 series routers support DID on the 4-port FXS/DID cards in Cisco IOS Release 12.3(14)T and later. Note The Cisco 1751 router can support three 4-port FXS/DID VICs, up to a maximum of four DID ports. The Cisco 1760 router can support four 4-port FXS/DID VICs, up to a maximum of eight DID ports. Note The Cisco ICS 7750 also supports 8 FXS ports on the analog station interface 81 (ASI 81), and 16 FXS ports on the ASI 160. See the "Processor Cards Feature Summary" chapter in the Cisco ICS 7750 System Description document. Figure 79 2-Port FXS Card Front Panel (VIC-2FXS) VIC FXS 1 SEE MANUAL BEFORE INSTALLATION 0 IN USE IN USE 41218 OL-12847-01 3

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Voice Interface Cards
Foreign Exchange Station (FXS) Interface Cards
3
OL-12847-01
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
Figure 79
,
Figure 80
, and
Figure 81
.
Caution
To comply with the Telcordia GR-1089 NEBS standard for electromagnetic compatibility and safety,
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.
Note
Each port on the 4-port FXS/DID VIC can be configured as either Foreign Exchange Station (FXS) or
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
“Analog Direct Inward
Dial (DID) Interface Cards” section on page 13
.
Note
Cisco 2600XM series, Cisco 2691, Cisco 2800 series, Cisco 3600 series, Cisco 3700 series, and
Cisco
3800 series routers support DID on the 4-port FXS/DID cards in Cisco
IOS
Release
12.3(14)T and
later.
Note
The Cisco
1751 router can support three 4-port FXS/DID VICs, up to a maximum of four DID ports. The
Cisco 1760 router can support four 4-port FXS/DID VICs, up to a maximum of eight DID ports.
Note
The Cisco ICS 7750 also supports 8 FXS ports on the analog station interface 81 (ASI 81), and 16 FXS
ports on the ASI 160. See the “Processor Cards Feature Summary” chapter in the
Cisco ICS 7750 System
Description
document.
Figure 79
2-Port FXS Card Front Panel (VIC-2FXS)
41218
SEE MANUAL BEFORE INSTALLATION
VIC
FXS
IN USE
IN USE
1
0