A Guide to Network Module / WICs for Cisco Routers
| Model | 1601(R), 1602(R), 1605-R | 603(R), 1604(R) | 1700 | 2600, 2600XM | |
|---|---|---|---|---|---|
| Network Module | Not Used | Not Used | Not Used | WIC slot | NM-2W |
| WIC/VWIC | |||||
| WIC-1ADSL One ADSL port | No | No | Yes* | Yes* | Yes* |
| WIC-1SHDSL One G.SHDSL Port | No | No | Yes* | Yes* | Yes* |
| * Requires a minimum "ADSL" feature set for the Cisco IOS. | |||||
| WIC-1ENET One 10 Base-T Ethernet | No | No | Yes | No | No |
| WIC-1T One serial port | Yes | Yes | Yes | Yes | Yes |
| WIC36-1B-S/T One ISDN BRI S/T port, requires external NT-1 | No | No | No | No | No |
| WIC36-1B-U One ISDN BRI U port, internal NT-1 | No | No | No | No | No |
| WIC-1B-S/T One ISDN BRI S/T port, requires external NT-1 | Yes | No | Yes | Yes | Yes |
| WIC-1B-U One ISDN BRI U port, internal NT-1 | Yes | No | Yes | Yes | Yes |
| WIC-1DSU-56K4 One 56/64 KBPS CSU/DSU | Yes | Yes | Yes | Yes | Yes |
| WIC-1B-S/T-LL One leased line ISDN BRI with S/T port | No | Yes | No | No | No |
| WIC-1DSU-T1 One serial port with integrated T1 CSU/DSU | Yes | Yes | Yes | Yes | Yes |
| WIC-2T Two serial ports using smart serial connector | No | No | Yes | Yes | Yes |
| WIC-2A/S Two async/sync ports using smart serial connector | No | No | Yes | Yes | Yes |
| WIC-1/2AM One or two-port V.90 analog modem | No | No | Yes | Yes | Yes |
| VWIC-1MFT-E1 1-Port RJ-48 Multiflex Trunk - E1 | No | No | Yes | Yes | Yes |
| VWIC-2MFT-E1 2-Port RJ-48 Multiflex Trunk - E1 | No | No | Yes | Yes | Yes |
| VWIC-2MFT-E1-DI 2-Port RJ-48 Multiflex Trunk - E1 with drop and insert | No | No | Yes | Yes | Yes |
| VWIC-1MFT-G703 1-Port RJ-48 Multiflex Trunk - E1 for unstructured G.703 | No | No | Yes | Yes | Yes |
| VWIC-2MFT-G703 1-Port RJ-48 Multiflex Trunk - E1 for unstructured G.703 | No | No | Yes | Yes | Yes |
| VWIC-1MFT-T1 1-Port RJ-48 Multiflex Trunk - T1 | No | No | Yes | Yes | Yes |
| VWIC-2MFT-T1 2-Port RJ-48 Multiflex Trunk - T1 | No | No | Yes | Yes | Yes |
| VWIC-2MFT-T1-DI 2-Port RJ-48 Multiflex Trunk - T1 with drop and insert | No | No | Yes | Yes | Yes |
| Model | 3631 | 2691, 3725, 3745 | 3620, 3640 | 3660 | |||
|---|---|---|---|---|---|---|---|
| Network Module | Chassis WIC slot | Chassis WIC slot | NM-1FE2W, NM-1FE1R2W, NM-2W | NM-1E2W NM-1E1R2W NM-2E2W | NM-1FE2W NM-1FE1R2W NM-2FE2W NM-2W | NM-1E2W NM-1E1R2W NM-2E2W | NM-1FE2W NM-1FE1R2W NM-2FE2W NM-2W |
| WIC/VWIC | |||||||
| WIC-1ADSL One ADSL port | No | Yes* | Yes* | No | Yes* | No | Yes* |
| WIC-1SHDSL One G.SHDSL port | No | Yes | Yes | No | Yes* | No | Yes* |
| * Requires a minimum "Plus" feature set for the Cisco IOS. | |||||||
| WIC-1ENET One 10 Base-T Ethernet | No | No | No | No | No | No | No |
| WIC-1T One serial port | No | Yes | Yes | Yes | Yes | Yes | Yes |
| WIC36-1B-S/T One ISDN BRI S/T port, requires external NT-1 | No | No | No | Yes | No | No | No |
| WIC36-1B-U One ISDN BRI U port, internal NT-1 | No | No | No | Yes | No | No | No |
| WIC-1B-S/T One ISDN BRI S/T port, requires external NT-1 | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| WIC-1B-U One ISDN BRI U port, internal NT-1 | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| WIC-1DSU-56K4 One 56/64 KBPS CSU/DSU | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| WIC-1B-S/T-LL One leased line ISDN BRI with S/T port | No | No | No | No | No | No | No |
| WIC-1DSU-T1 One serial port with integrated T1 CSU/DSU | No | Yes | Yes | Yes | Yes | Yes | Yes |
| WIC-2T Two serial ports using smart serial connector. | Yes | Yes | Yes | No | Yes | No | Yes |
| WIC-2A/S Two async/sync ports using smart serial connector | Yes | Yes | Yes | No | Yes | No | Yes |
| WIC-1/2AM One or two-port V.90 analog modem | No | Yes | Yes | Yes | Yes | Yes | Yes |
| VWIC-1MFT-E1 1-Port RJ-48 Multiflex Trunk - E1 | Yes | Yes | Yes | Yes | Yes | No | Yes |
| VWIC-2MFT-E1 2-Port RJ-48 Multiflex Trunk - E1 | Yes | Yes | Yes | No | Yes | No | Yes |
| VWIC-2MFT-E1-DI 2-Port RJ-48 Multiflex Trunk - E1 with drop and insert | Yes | Yes | Yes | Yes | Yes | No | Yes |
| VWIC-1MFT-G703 1-Port RJ-48 Multiflex Trunk - E1 for unstructured G.703 | Yes | Yes | Yes | Yes | Yes | No | Yes |
| VWIC-2MFT-G703 2-Port RJ-48 Multiflex Trunk - E1 for unstructured G.703 | Yes | Yes | Yes | No | Yes | No | Yes |
| VWIC-1MFT-T1 1-Port RJ-48 Multiflex Trunk - T1 | Yes | Yes | Yes | Yes | Yes | No | Yes |
| VWIC-2MFT-T1 2-Port RJ-48 Multiflex Trunk - T1 | Yes | Yes | Yes | No | Yes | No | Yes |
| VWIC-2MFT-T1-DI 2-Port RJ-48 Multiflex Trunk - T1 with drop and insert | Yes | Yes | Yes | Yes | Yes | No | Yes |
Network Module and Platform Compatibility Matrix for Cisco 2600 and 3600 Series Routers
Note: Cisco 1600 and 1700 series routers do not have the necessary slots to support network modules (NMs).
Product Number | Description | 2600, 2600XM | 3620, 3640 | 3631 | 3660 | 2691, 3725, 3745 |
|---|---|---|---|---|---|---|
| NM-1FE1CT1 | 1 Fast Ethernet Plus Channelized T1/PRI Network Modules | No | Yes | No | Yes | No |
| NM-1FE1CE1 | 1 Fast Ethernet Plus Channelized E1/PRI Network Modules | No | Yes | No | Yes | No |
| NM-1CT1 NM-2CT1 | 1/2 ISDN PRI/Channelized T1 Network Module | Yes | Yes | Yes | Yes | Yes |
| NM-1CE1 NM-2CE1 | 1/2 ISDN PRI/Channelized E1 Network Module | Yes | Yes | Yes | Yes | Yes |
| NM-1E2W NM-1E1R2W NM-2E2W | Ethernet LAN/WIC Network Modules | No | Yes | No | Yes | No |
| NM-1FE2W NM-1FE1R2W NM-2FE2W | Fast Ethernet LAN/WIC Network Modules | No | Yes | No | Yes | Yes |
| NM-2W | Network Module with 2 WIC slots (no LAN ports) | Yes | Yes | No | Yes | Yes |
| NM-4B NM-8B | 4 or 8-Port ISDN-BRI Network Module | Yes | Yes | Yes | Yes | Yes |
| NM-xDM | 6 to 30 port Digital Modem Network Module | No | Yes | No | Yes | Yes |
| NM-8AM NM-16AM | Analog Modem Network Module | Yes | Yes | No | Yes | Yes |
| NM-4A/S NM-8A/S | 4 or 8-Port Async/Sync Network Module | Yes | Yes | Yes | Yes | Yes |
| NM-16A NM-32A | 16 or 32 Async Network Modules | Yes | Yes | No | Yes | Yes |