Click here to view Products Click here to go to Datacom page Click here to go to PC Based Voice Mail page Click here to go to Cisco System page Click here to go to Nortel System page Click here to go to Headsets page Click here to go to Conferencing page Click here to go to Announcement Devices page Click here to go to Paging System page Click here to go to Call Accounting page Click here to go to CSU & DSU page Click here to go to UPS page Click here to go to Customer Software page Click here to go to Avaya System page Click here to view Products page Click here to go to Computers page
Adtran Logo Avaya Logo Paradyne Logo
CSU & DSU:
We sell, service, and install Adtran, Avaya and Paradyne CSU and CSU/DSU. Whether you have a voice T1, data T1 or a combination of voice and data, we have the product for you.
Adtran CSU Ace ADTRAN CSU ACE
The ADTRAN T1 CSU ACE provides the T1 interface between customer premises equipment such as channel banks, T1 multiplexers, PBXs, etc., and the carrier network. The unit provides functions such as surge protection, signal regeneration, alarms, and loopbacks necessary for circuit operation and fault isolation. The unit is transparent to ESF or D4 framing and AMI or B8ZS line coding.
Avaya 120A Avaya Integrated 120A CSU
Definity Integrated CSU plugs directly into system back-plane of the Avaya PBX systems DS1 Circuit Card I/O connector. The unit is capatible with both the TN767 and TN 464 DS1 trunk cards.
Paradyne 3150 Paradyne Acculink 3150 CSU
CSU accepts D4 or ESF T1 framing standards and B8ZS or AMI coding. Several loop-back tests, print capabilities, front panel display.
Paradyne 3160 Paradyne Acculink 3160 CSU/DSU
Connects to T1 and fractional T1 network services from fractional Nx56/64 Kbps speeds up to 1.544 Mbps. Ability to independently configurable Nx56/64 Kbps ports and DSX-1 drop and insert port. LCD display for configuration and status, remote operation and automatic dial-out alarm condition through integral V.22bis modem. Also includes; Multiple power source options, six different loopbacks, three sets of Bantam test jacks and two data ports on EIA-530-A interfaces.
Paradyne 3164 Paradyne Acculink 3164 CSU/DSU
Same as the 3160 except with 4 data ports.

Questions Please Call 800-559-5788
© 2002, Cornerstone Telecommunications, Inc.
All rights reserved
Please send comments or suggestions to:
webmaster@cornerstone-tel.com