Velocity Reviews - Computer Hardware Reviews

Velocity Reviews > Newsgroups > Computing > Cisco > connecting async/sync serial to external CSU/DSU

Thread Tools

connecting async/sync serial to external CSU/DSU

Posts: n/a
I need to connect an Adtran TSU LT to an NM-8a/s installed in a 2800.
The T1 is a known good, but the router is not connecting. The
interfaces remain in an Up/Down state. I have used a hard loopback
plugged into the back of the Adtran, but the router does not see the
line come nor looped.

Please help protect my miserable job!


Reply With Quote
Posts: n/a

You may wish to investigate AdTran TSU LT Troubleshooting with a Cisco

as well as AdTran TSU LT Documentation:

and Cisco 2800 Troubleshooting:

Hope this helps.

Brad Reese
AdTran Refurbished List Pricing and Availability

Reply With Quote

Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
fcntl, serial ports and serial signals on RS232. Max Kotasek Python 4 04-09-2010 06:32 PM
350d serial number - what serial number?!? GT Digital Photography 6 04-07-2005 07:58 PM
Test Serial to Serial Connection, Protocol Down... Scooter Cisco 5 12-16-2004 04:38 PM
Can I connect router Serial interface directly to a PC serial port? Faustino Dina Cisco 2 08-18-2004 02:30 AM
Connecting two 1601's back-to-back via serial interfaces Cyber-Soldier Cisco 1 11-20-2003 07:49 PM