Adtran 1204025L2 Data Networking Device


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Adtran Total Access 900 Series - Total Access 904, Seamless voice and data integration over Voice Over Internet Protocol based network architectures
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We want to make sure you are completely satisfied with your purchase. Customers must return their product within 30 days of shipment to receive a full credit less a 15% restocking fee. Returns must be presented in new condition with all of the original packaging.
Converged Access solutions for trunking and hosted VoIP networks

Adtran offers a wide variety of solutions for converged voice/data services. The Total Access 900 Series of T1 and Multi-T1 IP Business Gateways are designed for carrier Ethernet and SIP/MGCP Voice over IP (VoIP) networks. These products feature all of the same robust routing and voice features of the widely deployed Total Access Integrated Access Devices (IADs), along with a host of new features and functions that enable costeffective, reliable IP service delivery. These devices use the Adtran Operating System (AOS) to simplify management and administration. Multiple models offer fexibility for varied applications from PRI delivery and trunking services to Hosted IP PBX offering

General Information

  • Product Type: CSU
  • Brand Name: Adtran
  • Manufacturer: Adtran
  • Product Name: T1 ESF ACE CSU

Technical Information

  • Encoding Method: AMI/B8ZS

Physical Characteristics

  • Height: 2"
  • Width: 9.3"
  • Depth: 6.5"
  • Form Factor:
    • Desktop
    • Wall Mountable
    • Rack-mountable
  • Weight (Approximate): 1 lb


  • Serial Port: Yes


  • Package Contents:
    • T1 ESF CSU ACE
    • T1 Loopback Test Adapter
    • RJ45 Cable
    • AC wallmount power supply
    • Manual
    • T1 ESF CSU ACE
    • T1 Loopback Test Adapter
    • RJ45 Cable
    • AC wallmount power supply
    • Manual
  • Certifications & Standards:
    • FCC part 15 Class A Part 68
    • Industry Canada CS03
    • UL 1459
    • CUL
    • Compliance:
    • ANSI T1.403
    • AT&T 62411
  • Additional Information:
    • Provides terminal block for DC power
    • 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

Power Description

  • Maximum Power Consumption: 2.50 W
  • Input Voltage: 48 V DC


  • Limited Warranty: 5 Year

Full specifications (PDF)


Customer Review Summary

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The Adtran 1204025L2 is also known as ADN-1204025L2 .