Cisco Support Community
cancel
Showing results for 
Search instead for 
Did you mean: 
Announcements

Welcome to Cisco Support Community. We would love to have your feedback.

For an introduction to the new site, click here. And see here for current known issues.

New Member

2520 BRI problem

I got VConsole ISDN simulator. and the simulator works with U interface. when I connect to 2520 BRI, layer1,2,3 don't work. no light, no flash, nothing. how to diagnose the BRI of 2520? thanks

1 REPLY
New Member

Re: 2520 BRI problem

I went through this some month back. The BRI interface on the 2520 is a ST interface. I had to purchase a Adtran NT1 ACE device. This will convert the U connection from the Telco side to ST connection. Here is a link about the 2520.

www.cisco.com/warp/public/cc/pd/rt/2500/prodlit/c2520_pa.htm

93
Views
0
Helpful
1
Replies
CreatePlease login to create content