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Modules VWIC on 1700, 2600 and 36xx routers

What are the differences between the two following modules :

VWIC-1MFT-E1 and VWIC-1MFT-G703 ?

and

When would I use the first or the second module for a PABX connection ?

1 REPLY
Silver

Re: Modules VWIC on 1700, 2600 and 36xx routers

The G.703 card basically adheres to the ITU G.703 standard for unstructured E1, which just definies the physical and electrical characterstics of various digital interfaces. You may be able to use both with a PABX connection.

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