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Adtran 1212021L1 Automatic Rate Adaptive T400-DDST III Card T400

Adtran 1212021L1 Automatic Rate Adaptive T400-DDST III Card T400
Adtran 1212021L1 Automatic Rate Adaptive T400-DDST III Card T400
OverviewThe Automatic Rate Adaptive T400-DDST III Card T400 (model 1212021L1) from Adtran is a versatile, high-density interface module designed for modern carrier and enterprise networks. It provides seamless integration of TDM and packet services, ... Read More
price
$62.95

Please allow up to 7 days for ground delivery.

  • In Stock: 1
  • Manufacturer: Adtran
  • Model or Part: 1212021L1
  • Condition: Refurbished
  • Weight: 15.00lb
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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 Automatic Rate Adaptive T400-DDST III Card T400 (model 1212021L1) from Adtran is a versatile, high-density interface module designed for modern carrier and enterprise networks. It provides seamless integration of TDM and packet services, automatically adapting to changing line rates without operator intervention. This card delivers reliable performance for voice, data, and video transport over a single chassis, helping you simplify network architecture while reducing operational costs.

Key Features

  • Automatic rate adaptation for T1/E1, DS1/DS3, and higher speed circuits
  • Supports both DS1 and DS3 framing formats with dynamic bandwidth allocation
  • Plug-and-play installation with hot-swap capability for minimal downtime
  • Built-in diagnostics and real-time monitoring via SNMP and web interface
  • Low power consumption and compact form factor for high slot density
  • Full compliance with ITU-T and ANSI standards for interoperability

Technical Specifications

  • Form factor: 3U, full height, rear-mounted card
  • Supported interfaces: T1/E1 (up to 2.048 Mbps), DS3 (up to 44.736 Mbps)
  • Maximum ports: 4 T1/E1 or 2 DS3 per card
  • Clocking: Adaptive clock recovery with optional external clock source
  • Power supply: 12 VDC, 2.5 A per card
  • Operating temperature: 0 to 40 degrees Celsius
  • Dimensions: 4.5 in (height) x 9.0 in (width) x 1.5 in (depth)
  • Management interfaces: Ethernet, RS-232, SNMP v2/v3, web GUI

Typical Applications

  • Carrier edge aggregation for voice and data services
  • Enterprise back-bone connectivity in multi-site campuses
  • Metro Ethernet and broadband access networks
  • Integrated services digital network (ISDN) and private line transport
  • Disaster recovery links requiring automatic rate adjustment
  • Hybrid TDM/packet convergence in data center interconnects

By choosing the Adtran Automatic Rate Adaptive T400-DDST III Card T400, network operators gain a future-proof solution that simplifies provisioning, enhances reliability, and supports a wide range of transport scenarios without the need for manual reconfiguration.