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New Member

ISDN Hardware - PSTN Gateway

What would be the correct Hardware to connect:

AN E1 ISDN Connection to be terminated on a HDSL modem and then to a CIsco Router - WIC-2MFT-G703/WIC-2MFT-E1 OR Cisco E1/T1 ISDN PRI Network Module or something else???

6 REPLIES
Hall of Fame Super Gold

Re: ISDN Hardware - PSTN Gateway

Hi, which router model do you have ?

New Member

Re: ISDN Hardware - PSTN Gateway

3845 running IOS 12.11(T)

Hall of Fame Super Gold

Re: ISDN Hardware - PSTN Gateway

Hi, if no PVDM2-xx in the box (do show diag to know), you need VWIC-1MFT-E1 or VWIC2-1MFT-1E1/T1, and a PVDM2-32 to support full 30 channels, or a smaller PVDM2 size like 16 or 8.

Thanks for the rating and good luck!

New Member

Re: ISDN Hardware - PSTN Gateway

yes, there is a PVDM2-64 installed, will a VWIC-2MFT-G703 work for this as well?

New Member

Re: ISDN Hardware - PSTN Gateway

Will a VWIC-2MFT-G703 work for Connection of ISDN E1 T2 Fibre line???

Hall of Fame Super Gold

Re: ISDN Hardware - PSTN Gateway

Yes. Your telco will present an E1 interface to which you connect the router.

Note, you don't need, the G.704 version that is used only when unframed is desired. The basic vwic or vwic2 is enough.

Hope this helps, please rate post if it does!

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