Cisco HWIC-2SER Internal Serial interface cards/adapter

Cisco® integrated services routers offer a wide variety of WAN connectivity modules to accommodate the range of application needs in customer networks. The new Cisco 1-Port and 2-Port Serial High-Speed WAN Interface Cards (HWICs) provide serial WAN connectivity services for the Cisco 1861 Integrated Services Router deployed in small and medium-sized businesses (SMBs) and enterprise branch offices.

Product Overview

Cisco serial HWICs provide serial WAN connectivity to remote sites using Cisco High-Level Data Link Control (HDLC), Point-to-Point Protocol (PPP), or Frame Relay encapsulation. These HWICs also support older protocol transport such as Systems Network Architecture (SNA), Synchronous Data Link Control (SDLC) Protocol, Binary Synchronous Communications Protocol (Bisync), and X.25.

Feature Summary

- 2 serial ports
- Maximum data rate of 8 Mbps per port on the 2-port serial HWIC
- Support for serial protocols: EIA-232, EIA-449, EIA-530, EIA-530A, V.35, X.21
- Support for Lead Manipulation
- Capability to measure the incoming clock rate of synchronous ports in data terminal equipment (DTE) mode