Installation guide
Table Of Contents
- Overview of Cisco Interface Cards
- Cisco 3700 Series Routers
- Cisco 3600 Series Routers
- Cisco 2600 Series Routers
- Cisco 1700 Series Routers
- Cisco 1600 Series Routers
- Cisco ICS 7750
- Cisco MWR 1941-DC Router
- Regulatory Compliance Information and Safety

Chapter 1 Overview of Cisco Interface Cards
Cisco 2600 Series Routers
1-26
Cisco Interface Cards Installation Guide
OL-1919-12
1-Port T1 (WIC-1DSU-T1) 12.0(5)XK
12.0(7)XK
12.1(5)YB
11.3(4)T 12.0(1)
1-Port T1, version 2 (WIC-1DSU-T1-V2) – 12.3(1)T 12.2(16)
2-Port FXS Voice/Fax (VIC-2FXS)
3
11.3(2)XA
12.0(5)XK
12.0(7)XK
12.1(5)YB
11.3(1)T 12.0(1)
2-Port FXS Voice/Fax (VIC2-2FXS)
4
Note Supported only by
Cisco 2600XM series routers.
12.2(15)ZJ – –
2-Port FXO Voice/Fax (VIC-2FXO)
3
11.3(2)XA
12.0(5)XK
12.0(7)XK
12.1(5)YB
11.3(1)T 12.0(1)
2-Port FXO Voice/Fax(VIC2-2FXO)
4
Note Supported only by
Cisco 2600XM series routers.
12.2(15)ZJ – –
2-Port E&M Voice/Fax(VIC-2E/M)
3
11.3(2)XA
12.0(5)XK
12.0(7)XK
12.1(5)YB
11.3(1)T 12.0(1)
2-Port E&M Voice/Fax(VIC2-2E&M)
4
Note Supported only by
Cisco 2600XM series routers.
12.2(15)ZJ – –
2-Port FXO Voice/Fax (VIC-2FXO-EU)
3
Note For use in Europe.
12.0(5)XK
12.0(7)XK
12.1(5)YB
11.3(6)T 12.0(2)
2-Port E&M Voice/Fax
(VIC-2FXO-M1)
3
12.0(7)XK
12.1(5)YB
12.1(2)T 12.2(1)
Table 1-4 Cisco IOS Releases Required for WICs and VICs in Cisco 2600 Series Routers (continued)
Interface Card
Cisco IOS Limited
Lifetime Releases
First Cisco IOS
T-Train Release
First Cisco IOS
Mainline Release