Installation guide

Chapter 1 Overview of Cisco Interface Cards
Cisco 3600 Series Routers
1-18
Cisco Interface Cards Installation Guide
OL-1919-12
Cisco 3660 Series Routers
Table 1-3 lists the interface cards and their Cisco IOS release requirements for
Cisco 3660 series routers. Voice interface cards (VICs) can be used only in voice
network modules (NM-1V, NM-2V, NM-HD-1V, NM-HD-2V, or NM-HD-2VE).
Restrictions on the use of interface cards are indicated in the footnotes.
Note The earliest supported release is not necessarily the recommended release. Refer
to the applicable release notes for release information specific to your interface
cards.
1-Port G.SHDSL WAN (WIC-1-SHDSL) 12.2(4)XL2
12.2(8)YN
12.2(8)T 12.3(1)
2-Port DID Voice/Fax (VIC-2DID) 12.1(5)XM – –
1-Port Analog Modem WAN (WIC-1AM) 12.2(2)XB 12.2(8)T 12.3(1)
2-Port Analog Modem WAN (WIC-2AM) 12.2(2)XB 12.2(8)T 12.3(1)
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.
3. Cannot be installed in built-in interface card slots. Requires voice network module (NM-1V or NM-2V).
4. Cannot be installed in built-in interface card slots. Requires voice network modules (NM-HD-1V, NM-HD-2V, or
NM-HD-2VE).
5. In network modules NM-1E2W, NM-1E1R-2W, NM-2E2W, and NM-HDV.
6. In network modules NM-1FE2W, NM-1FE1R2W, NM-2FE2W, and NM-2W.
7. In network module 2NM-HDV.
8. In network modules NM-1E2W, NM-1EIR-2W, and NM-2E2W.
Table 1-2 Cisco IOS Releases Required for Interface Cards in Cisco 3620 and Cisco 3640
Routers (continued)
Interface Card
Cisco IOS Limited
Lifetime Releases
First Cisco IOS
T-Train Release
First Cisco IOS
Mainline Release