is now Click here for details.
Cisco 1-Port 4-Wire 56-/64-kbps CSU/DSU WAN
Price: $53249
Add to cart
Cisco 1-Port 4-Wire 56-/64-kbps CSU/DSU WAN

  1. Limit 17 per customer Add to cart
  2. Save to wishlist
  3. ADD EXTRA PROTECTION with SquareTrade Warranty

    SquareTrade 3-Year Electronics Warranty
    $84.98  Click for Details

    SquareTrade 3-Yr Warranty Plus Accident Protection
    $127.98  Click for Details

Cisco 1-Port 4-Wire 56-/64-kbps CSU/DSU WAN Interface Card - DSU/CSU - HWIC - 64 Kbps

Item#:  YYD1-HWIC1DSU56K4  | Model#: HWIC-1DSU-56K4=
List Price:
Instant Savings:
- $167.51  (24%)
Usually Ships within 48 Hours (Details)

Cisco 1-Port 4-Wire 56-/64-kbps CSU/DSU WAN Product Details

The Cisco 1-Port 4-Wire 56-/64-kbps CSU/DSU WAN Interface Card (HWIC-1DSU-56K4) performs the channel service unit/data service unit (CSU/DSU) functions for both digital data service (DDS) and 4-wire switched 56-kbps (56K) data networks. In addition, it provides an all-rate synchronous interface to any dedicated DDS point-to-point or multipoint network compatible.


   Device Type:  DSU/CSU
   Form Factor:  Internal

   Bus:  HWIC
   Connectivity Technology:  Wired
   Max Transfer Rate:  64 Kbps

Expansion / Connectivity
   Interfaces:  1 x modem - RJ-48
   Compatible Slots:  1 x HWIC

   Compliant Standards:  UL 1950, ANSI/UL No. 1459, FCC Part 68, FCC Part 15 A, CSA C22.2 No. 950
  • Manufactured by: Cisco
    Warranty provided by: Cisco
    Mfg Part No: HWIC-1DSU-56K4=
    UPC No: 882658422690
    Box Size: ( Length:7, Width:6, Depth:2)
    Shipping Weight: 0.5500 pound(s)
    Click here for full warranty and support information
  • Limited Warranty: A full text version of the limited warranty may be obtained by mailing a self addressed, stamped envelope to the address below and requesting the warranty for item number: YYD1-HWIC1DSU56K4
    Warranty Information
    7795 W. Flagler St. Suite 35
    Miami, FL. 33144

  • Cisco logos are registered trademarks of Cisco. All others trademarks and copyrights mentioned herein are the property of their respective owners.