
Why buy from us?
HardwareJet is built for professionals who need dependable hardware without delays or guesswork. Our curated network of manufacturers ensures quality parts, fair pricing, and responsive service.
Ask a Question About This Product
This site is protected by reCAPTCHA and automated abuse prevention. Information collected is used for security purposes in accordance with our Privacy Policy.
Cisco HWIC-1DSU-56K4 1-Port 4-Wire 56/64kbps CSU/DSU WAN Interface Card
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) (dedicated) and 4-wire switched 56-kbps (56K) data networks. I... Read More
price
$29.95
- In Stock: 11
- Manufacturer: Cisco
- Model or Part: HWIC-1DSU-56K4
- Condition: Refurbished
- Weight: 1.00lb
- Dimensions: 6.00in x 6.00in x 4.00in
United States Shipping
Orders over $200 qualify for Free Super-Saver Shipping! We ship at our discretion via the most cost-effective method using FedEx, UPS, or USPS.To ensure your order is processed efficiently, all shipping charges must be pre-paid at checkout. We are unable to bill directly to third-party shipper accounts or use customer-provided labels for domestic shipments.
International Shipping
International orders begin processing as soon as payment is confirmed.- Pre-paid Shipping: For your convenience, you can select and pay for international shipping directly at checkout.
- Carrier Accounts: Alternatively, we can bill transport costs directly to your FedEx account number. (Note: We cannot bill to DHL, TNT, or UPS accounts).
- Customer Labels: We are also happy to ship internationally using pre-paid labels provided by you for any carrier.
Expedited and Rush Shipping
Need it faster? HardwareJet.com offers 1 or 2-day expedited shipping options during checkout for eligible items.To get your order to the front of the line, expedited orders include a small rush fee in addition to the carrier's shipping charges. If an item is not available for expedited shipping, these options will not appear in your cart.
Item Condition
New - Sealed or Open Box ConditionExcellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item
To bring you an even wider selection, some of our items are shipped directly from our trusted partners. Delivery times may vary for these items.
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) (dedicated) 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 with AT&T Publication 62310. The new card also supports 4-wire switched 56K data services such as AT&T's Accunet 56 or Sprint's VPN-56 plus many switched data services offered by local exchange carriers.
Manufacturer: Cisco Systems, Inc
Manufacturer Part Number: HWIC-1DSU-56K4
Brand Name: Cisco
Product Model: HWIC-1DSU-56K4
Product Name: CSU/DSU WAN Interface Card
Product Type: WAN Module
Application/Usage: Wide Area Network
Interfaces/Ports: 1 x Serial WAN
Interfaces/Ports Details: 1 x RJ-48S Serial Synchronous Network WAN
Connectivity Media: Serial
Data Transfer Rate: 56 Kbps to 64 Kbps Serial Synchronous
Compatibility: 2900 Series Integrated Services Routers1900 Series Integrated Services Routers
Manufacturer: Cisco Systems, Inc
Manufacturer Part Number: HWIC-1DSU-56K4
Brand Name: Cisco
Product Model: HWIC-1DSU-56K4
Product Name: CSU/DSU WAN Interface Card
Product Type: WAN Module
Application/Usage: Wide Area Network
Interfaces/Ports: 1 x Serial WAN
Interfaces/Ports Details: 1 x RJ-48S Serial Synchronous Network WAN
Connectivity Media: Serial
Data Transfer Rate: 56 Kbps to 64 Kbps Serial Synchronous
Compatibility: 2900 Series Integrated Services Routers1900 Series Integrated Services Routers