Analog Direct Inward Dial (Did) Interface Cards - Cisco 1601 - Router - EN Hardware Installation Manual

Voice Interface Cards
ISDN BRI Interface Card LEDs
ISDN BRI voice interface cards have three LEDs, as listed in
Table 26
LED
B1
B2
OK

Analog Direct Inward Dial (DID) Interface Cards

A Direct Inward Dial (DID) voice interface provides DID service to extensions on a PBX.
shows the VIC-2DID card, and
To comply with the Telcordia GR-1089 NEBS standard for electromagnetic compatibility and safety,
Caution
connect the 4-port FXS/DID card (VIC-4FXS/DID) only to intra-building 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 FXS with the 4-port FXS/DID VIC, see the
(FXS) 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.
Figure 94
VIC
2DID
ISDN BRI Voice Interface Card LEDs
Meaning
Call active on B1 channel
Call active on B2 channel
Interface is connected to an ISDN network
Figure 95
2-Port Analog DID Voice Interface Card
1
SEE MANUAL BEFORE INSTALLATION
Analog Direct Inward Dial (DID) Interface Cards
Table
shows the VIC-4FXS/DID card.
3.
0
26.
Figure 94
"Foreign Exchange Station
OL-12847-01
13