Cisco Hwic-1Dsu-T1 Wan Interface Card



1 in stock


Height 0.8 in
Form Factor Internal
Width 3.1 in
Depth 5.6 in
Enclosure Type Plug-in module
Device Type DSU/CSU
Compatible Slots 1 x HWIC
Interfaces 1 x modem - T1 - RJ-48
Max Transfer Rate 1.544 Mbps
Protocols and Specifications HDLC
Line Coding Format AMI, B8ZS
Product Description Cisco 1-Port T1/Fractional T1 DSU/CSU WAN Interface Card - DSU/CSU
Designed For Cisco 1841, 1841 2-pair, 1841 3G, 1841 4-pair, 1841 ADSL2, 1841 T1, 1941, 2801, 2801 2-pair, 2801 4-pair, 2801 V3PN, 2821, 2821 4-pair, 2821 V3PN, 2851, 2851 V3PN, 2911, 2921, 2951, 3825, 3825 V3PN, 3845, 3845 V3PN, 3925, 3925E, 3945, 3945E
Dimensions (WxDxH) 3.1 in x 5.6 in x 0.8 in
Line Rate T-1
Interface Type HWIC
Connectivity Technology Wired
Compliant Standards NEBS level 3, CISPR 22 Class A, CISPR 24, EN 61000-3-2, VCCI Class A ITE, IEC 60950, EN 61000-3-3, EN55024, EN55022 Class A, UL 60950, CSA 22.2 No. 60950, AS/NZS 60950-1, EN 61000-4-4, EN 61000-4-2, EN 61000-4-3, EN 61000-4-6, JATE, ICES-003 Class A,
Humidity Range Operating 10 - 85%
Min Operating Temperature 32 F
Max Operating Temperature~104 F 1
Cisco 1-Port T1/ Fractional T1 Dsu/Csu High-Speed Wan Interface Card
The Cisco Hwic-1Dsu-T1 Is An Asynchronous, High-Speed Wide Area Network (Wan) Interface Card That Is Especially Designed To Work With The Companys 1800, 1900, 2800, 2900, 38000 And 3
Weight 5.1
Height 0.8
Width 3.1
Length 5.6

You must receive a Return of Merchandise Authorization (RMA) number before will process your return. You may return a defective or non-defective product up to 30 days from the date on your invoice. Returns will not be accepted after this 30-day period.

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Credits are usually issued within 2 weeks of receipt of a returned item. offers the following return option:

  • Return for credit: For refund to your credit card account on items that are not damaged, defective or incorrectly shipped, they must be FACTORY SEALED in new condition and must include original packaging with all manuals, accessories, and warranty cards unmarked. Incomplete non-defective product returns will not be accepted. Shipping cost is not refundable. If for any reason the manufacturer refuses to accept the return we will let you know that a return is not possible. We will process returns only as allowed by the individual manufacturer or distributor. Some products are not returnable at all. For example, memory/RAM, CPU's and most IBM, HP/Compaq, Sun, Nortel and Cisco products and only defective replacements are allowed. If the manufacturer or distributor will not accept the return there is nothing we can do for you. The customer may contact the manufacturer directly to get an authorization number or process the return/replacement.

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