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T1 Esf Csu Ace Standalone W/ Ps I-Facing Cpe Equip To Esf T1 Li / Mfr. No.: 1204025l1

T1 Esf Csu Ace Standalone W/ Ps I-Facing Cpe Equip To Esf T1 Li / Mfr. No.: 1204025l1
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Item Number: adt-1204025l1
Vendor Number: 1204025L1
Vendor: Adtran General Hardware A Acn
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The ADTRAN T1 ESF CSU 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.

General Information

Manufacturer Part Number1204025L1
Manufacturer Website Address
Product NameT1 ESF ACE CSU
Product TypeCSU

Technical Information

Encoding MethodAMI/B8ZS


Serial PortYes

Power Description

Input Voltage48 V DC
Maximum Power Consumption2.50 W

Physical Characteristics

Form FactorRack-mountable
Weight (Approximate)1 lb


Package Contents
  • T1 Loopback Test Adapter
  • RJ45 Cable
  • AC wallmount power supply
  • Manual
Additional Information
  • Framing: SF/ESF
  • Equipment line build-out configuration 0-655 feet

Bantam Jacks:

  • Test Signal access to Network & DTE
  • Non-interrupt signal receive: Network & DTE
Certifications & Standards
  • FCC part 15 Class A Part 68
  • Industry Canada CS03
  • UL 1459
  • CUL


  • ANSI T1.403
  • AT&T 62411


Limited Warranty5 Year