Quick tech specs
- Speed
- HWIC
- for Cisco 1921 4-pair
- 19XX
- 38XX
- 39XX
- Expansion module
- 10/100 Ethernet x 2
- 1921 ADSL2+
- 29XX
- 38XX V3PN
Know your gear
The Cisco Fast Ethernet HWICs are singlewide interface cards that provide Cisco modular and integrated services routers with additional Layer 3 routed ports.