The used Cisco HWIC-2A/S is a serial/asynchronous high-speed WAN Interface Card or (HWIC) that provides highly flexible connections for used Cisco 1800, 2800, and 3800 Series Integrated Services Routers.
- Interface (Bus) Type = HWIC
- Ports = 2
- Data Link Protocol = RS-232, RS-530, X.21, V.35, RS-449, RS-530A
- Data Transfer Rate =128 Kbps