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Is there different between the WIC-1DSU-56K4 and the WIC-1DSU-T1

Dear All,

Can anyone tell me is there different between the WIC-1DSU-56K4 and the WIC-1DSU-T1,can the WIC-1DSU-T1 replace the WIC-1DSU-56K4?Thanks very much

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Re: Is there different between the WIC-1DSU-56K4 and the WIC-1DS

The primary difference is that the WIC-1DSU-56K4 only supports up to 64K and is designed for 56K DDS operation or 56K/64K DSU/CSU operation whilst the WIC-1DSU-T1 is designed to support fractional T1 or T1 clear channel operation.

If you only need a 56K / 64K circuit you could use either, if you need faster than this then you would need to use the WIC-1DSU-T1

WIC-1DSU-56K4:

http://www.cisco.com/en/US/customer/products/hw/modules/ps3129/products_tech_note09186a00800a99cc.shtml

WIC-1DSU-T1

http://www.cisco.com/en/US/customer/products/hw/modules/ps3129/products_tech_note09186a00800b1501.shtml

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