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Adtran 1200029L2 ISU 128 ISDN/V.35 Interface BRI TA Terminal Adapter

Adtran 1200029L2 ISU 128 ISDN/V.35 Interface BRI TA Terminal Adapter
Adtran 1200029L2 ISU 128 ISDN/V.35 Interface BRI TA Terminal Adapter
Overview The Adtran ISU 128 ISDN/V.35 Interface BRI TA Terminal Adapter (part number 1200029L2) provides a reliable bridge between legacy ISDN BRI lines and modern data communications equipment. Designed for mission critical environments, this compac... Read More
price
$133.95
  • In Stock: 29
  • Manufacturer: Adtran
  • Model or Part: 1200029L2
  • Condition: Refurbished
  • Weight: 13.00lb
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Item Condition

New - Sealed or Open Box Condition
Excellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item

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Overview
The Adtran ISU 128 ISDN/V.35 Interface BRI TA Terminal Adapter (part number 1200029L2) provides a reliable bridge between legacy ISDN BRI lines and modern data communications equipment. Designed for mission critical environments, this compact adapter delivers seamless integration, high data integrity and easy configuration for voice and data services over ISDN and V.35 interfaces.

Key Features

  • Supports both ISDN BRI (2B+D) and V.35 data rates up to 2.048 Mbps
  • Full duplex operation with independent transmit and receive channels
  • Plug-and-play installation with no external power required
  • Built-in loopback test mode for rapid troubleshooting
  • LED status indicators for power, link, and activity monitoring
  • Compatible with a wide range of routers, firewalls and PBX systems

Technical Specifications

  • Interface type: BRI (2B+D) and V.35
  • Data rate: 64 Kbps per B channel, 2.048 Mbps V.35
  • Connector types: RJ48C for V.35, RJ45 for BRI
  • Power: 48 VDC from the host equipment
  • Operating temperature: 0 to 55 deg C (32 to 131 deg F)
  • Environmental humidity: 10 to 90 percent non-condensing
  • Dimensions: 2.5 x 1.5 x 0.8 inches (HxWxD)
  • Weight: 0.2 lbs

Applications
The ISU 128 is ideal for enterprises and service providers that need to maintain legacy ISDN connections while migrating to newer IP-based networks. Typical uses include:

  • Connecting legacy PBX systems to modern VoIP gateways
  • Providing backup WAN connectivity for critical sites
  • Integrating industrial control equipment that relies on V.35 links
  • Enabling remote sites to access central data centers via ISDN BRI
  • Supporting secure government and financial communications where proven ISDN reliability is required

With its robust construction and straightforward deployment, the Adtran ISU 128 delivers the performance and flexibility needed to protect your investment in existing infrastructure while paving the way for future network upgrades.