Cisco
Cisco HWIC-1DSU-T1 1-Port T1/Fractional T1 DSU/CSU WAN Interface Card
PO and Net 30 available for schools, government, hospitals, and law firms.
Description
Description
Cisco HWIC-1DSU-T1 — 1-Port T1/Fractional T1 DSU/CSU WAN Interface Card
Save on enterprise-grade WAN connectivity with this fully refurbished and tested Cisco HWIC-1DSU-T1. This high-speed WAN interface card features an integrated CSU/DSU, eliminating the need for an external unit and simplifying configuration, management, and troubleshooting for your Cisco ISR deployment.
Key Specifications
- Part Number: HWIC-1DSU-T1
- Device Type: DSU/CSU High-Speed WAN Interface Card (HWIC)
- Ports: 1 x T1/Fractional T1 (RJ-48 connector)
- Max Transfer Rate: 1.544 Mbps
- Enclosure Type: Plug-in module
- SNMP Management: Manage router and CSU/DSU as a single entity
- Troubleshooting: Self-test, loopbacks, CSU/DSU reset, alarm counters, T1 statistics
Router Compatibility
- Cisco 1800 Series (1841)
- Cisco 1900 Series (1941)
- Cisco 2800 Series (2801, 2811, 2821, 2851)
- Cisco 2900 Series (2911, 2921, 2951)
- Cisco 3800 Series (3825, 3845)
- Cisco 3900 Series (3925, 3945)
Why Buy from Reef Telecom?
- Industry-leading 10-year warranty on all refurbished equipment
- Free shipping on orders over $300
- Every unit is professionally cleaned, tested, and certified for full functionality
Ideal for branch office WAN connectivity, T1 line integration, WAN aggregation, legacy protocol transport, and remote network management. A cost-effective alternative to buying new while maintaining enterprise reliability.
Specs & Details
Specs & Details
Shipping & Warranty
Shipping & Warranty
Free ground shipping on orders over $300. Same-day shipping on orders placed before 4PM EST.
All products include our industry-leading 10 Year Warranty backed by Reef Telecom.

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