CISCO 

HWIC-4A/S Cisco 4-Port Async/Sync Serial HWIC

Mfg Part Number:  HWIC-4A/S  
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Price: $1,105.88 + Free Shipping
Quantity:
In Stock/Mfg Direct Ship
Last Updated: Aug 09, 2025
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, PO and Wire.

The 4-Port Async/Sync Serial HWIC 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.

Main Specification
General Information
Manufacturer Cisco Systems, Inc
Manufacturer Part Number HWIC-4A/S
Manufacturer Website Address http://www.cisco.com
Brand Name Cisco
Product Model HWIC-4A/S
Product Name 4-Port Async/Sync Serial HWIC
Product Type HWIC
Technical Information
Application/Usage Wide Area Network
Interfaces/Ports
Total Number of Ports 4
Connector Type Smart Serial
Interfaces/Ports Details 4 x Smart Serial Asynchronous/Synchronous Serial WAN
Media & Performance
Maximum Data Transfer Rate 256 kbit/s
Physical Characteristics
Height 0.8"
Width 3.1"
Depth 5.6"
Miscellaneous
Additional Information
  • DCN (Data Communications Network)
  • Serial & Legacy Concentration
  • Bi-synchronous Support

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
Compatibility

Supported Platforms & Minimum IOS Versions:

  • Cisco 2851 - 12.3(14)T
  • Cisco 2821 - 12.3(14)T
  • Cisco 2811 - 12.3(14)T
  • Cisco 2801 - 12.3(14)T
  • Cisco 1841 - 12.3(14)T
  • Cisco 3845 - 12.3(14)T
  • Cisco 3825 - 12.3(14)T

Connector Cables

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WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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