Cisco 4-Port Async/Sync Serial HWIC - 4 x Synchronous /Asynchronous Serial
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Wired Networking
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General Information

The HWIC-4A/S provides four serial async/sync ports using Smart Serial connectors and cabling. Each port can operate up to 256 Kbps in sync mode, or up to 230.4 Kbps in async.

Technical Information
Application/Usage:Wide Area Network

Interfaces/Ports Details:4 x Asynchronous/Synchronous Serial WAN

Media & Performance
Maximum Data Transfer Rate:256 kbit/s

Physical Characteristics

Additional Information:
  • The HWIC-4A/S provides four serial async/sync ports using Smart Serial connectors and cabling
  • DCN (Data Communications Network)
  • Serial & Legacy Concentration
  • Bisync Support
  • Network Clock Synchronization

Interfaces supported:

  • In both DTE and DCE formats: V35, X.21, RS-232, and RS-449
  • In DTE format only: EIA-530 and EIA-530A

Supported Platforms:

  • 1841
  • 2801
  • 2811
  • 2821
  • 2851
  • 3825
  • 3845

Limited Warranty:90

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Shipping Restrictions
  • This item cannot be shipped to PO Boxes.
  • This item can be shipped only within the U.S.

Special Order Item

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  • UPC: 746320920160 
  • Mfr's Part #: HWIC-4A/S=