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- New - Open Box 1 Left
• Original manufacturer condition
• Includes accessories
• Manufacturer warranty
- New - Open Box products are in original manufacturer condition, include accessories, and carry the manufacturer warranty.
- Manuals and software might not be included, but can usually be downloaded from the manufacturer.
- These items can be in the original manufacturer box or repackaged for protection during shipping.
The Adtran 1204025L2 External CSU (4 G) is a full-featured T1 Channel Service Unit used to connect T1 data terminal equipment (DTE) such as a PBX, switch or channel bank to T1 facilities. Capable of interfacing to both B8ZS or AMI circuits, the T1 ESF CSU can convert signal formats or line code to integrate older equipment. The ESF CSU is designed to provide alarms, loopbacks, signal regeneration, line build-out, and surge protection, while maintaining 1's density for the DTE and T1 network.
Adtran 1204025L2 CSU
Status LCD, keypad
|Maximum Transfer Rate|
|Line Coding Format|
ANSI T1.403, ATT 54016, ESF, SF
1 x management - RS-232 - 9-pin D-Sub (DB-9), 1 x network - T1-FT1 - RJ-48C, 1 x network - DSX-1 - RJ-48C
Power adapter - external
9.3 x 2.0 x 6.5 inches
Manufacturer Warranty. For defective returns, Tech For Less will give you a full refund and will arrange for and pay all shipping costs.
The Tech For Less Promise:
Join the over 1 million satisfied customers we've been serving since 2001. We inspect and test all of our products to ensure it meets the manufacturer quality standards. We have a 30 Day Return Policy and every product has the Manufacturer Warranty against defects. If there does happen to be an issue, we will work with you to make it right!
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Colorado Springs, CO 80907
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After Sales Support
Tory B. - Mar 13th 2014