Quick tech specs
- Speed
- HDLC, RS-232, PPP, RS-530, X.21, V.35, RS-449, SLIP, RS-530A
- for Cisco 28XX, 28XX 2-pair, 28XX 4-pair, 28XX V3PN, 29XX, 38XX, 38XX V3PN, 39XX
- Expansion module
- 4 ports
Know your gear
The HWIC-4T is a 4-port multiprotocol high-speed WAN interface card (HWIC). Protocols supported are Async (SLIP), Async (PPP), HDLC, Bisync, and transparent.