Installation guide

Overview of Cisco WAN and Voice Interface Cards 1-11
WAN and Voice Interface Card Options for Cisco 2600 Series Routers
Table 1-2 WAN and Voice Interface Card Options with Cisco IOS Releases for
Cisco 2600 Series Routers
WAN Interface Card
Cisco IOS
Release
11.3
Cisco IOS
Release
11.3T
Cisco IOS
Release
12.0
Cisco IOS
Release
12.0T
1-Port Serial (WIC-1T) 11.3(2)XA 11.3(4)T 12.0(1) 12.0(1)T
2-Port Serial (WIC-2T) 11.3(2)XA 11.3(4)T 12.0(1) 12.0(1)T
2-Port Asynchronous/Synchronous
Serial (WIC-2A/S)
11.3(2)XA 11.3(4)T 12.0(1) 12.0(1)T
1-Port ISDN BRI S/T
1
(WIC-1B-S/T)
11.3(2)XA 11.3(4)T 12.0(1) 12.0(1)T
1-Port ISDN BRI U
2
(WIC-1B-U)
11.3(2)XA 11.3(4)T 12.0(1) 12.0(1)T
1-Port 56/64-kbps CSU/DSU
(WIC-1DSU-56K4)
11.3(2)XAT 11.3(4)T 12.0(1)T
1-Port T1/FT1 (WIC-1DSU-T1) 11.3(4)T 12.0(1)T
2-Port FXS voice/fax interface
(VIC-2FXS)
11.3(1)T 12.0(1) 12.0(1)T
2-Port FXO voice/fax interface
(VIC-2FXO)
11.3(1)T 12.0(1) 12.0(1)T
2-Port E&M voice/fax interface
(VIC-2E/M)
11.3(1)T 12.0(1) 12.0(1)T
2-Port FXO voice/fax interface for
use in Europe
(VIC-2FXO-EU)
11.3(6)T 12.0(1)T
2-Port E&M voice/fax interface for
use in Australia
(VIC-2FXO-M3)
11.3(6)T 12.0(1)T
2-Port ISDN BRI voice interface
(VIC-2BRI-S/T-TE)
12.0(2)XD
1 Some ISDN service providers require an external Network Termination 1 (NT1) device to connect an ISDN
S/T port to the ISDN line. If your service provider requires this, you must provide the NT1.
2 The BRI U module does not require an external NT1.