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Home > Networking Hardware > CSUs & DSUs > Adtran DSU III AR T1/Fractional T1 CSU/DSU

Adtran DSU III AR T1/Fractional T1 CSU/DSU

EIA-232 , Serial V.35 64 Kbps

Adtran DSU III AR T1/Fractional T1 CSU/DSU
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Adtran DSU III AR T1/Fractional T1 CSU/DSU
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Item No.  522201
Mfg Part No.  1202011L1
Product Condition:  New
Manufacturer:  Adtran

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Highlights for Adtran DSU III AR T1/Fractional T1 CSU/DSU
  • Product Type:T1 CSU/DSU

Marketing Information

The ADTRAN DSU III AR is a technologically advanced, high performance data service unit/channel service unit (DSU/CSU). This unit provides a reliable interface between the digital data service (DDS) or 4-wire Switched 56 (SW56) network and the customer's data terminal equipment (DTE). The unit is an all-rate DSU/CSU supporting synchronous and asynchronous data rates on the primary channel and asynchronous data rates on the secondary channel. The synchronous primary channel rates supported are 2.4, 4.8, 9.6, 19.2, 38.4, 56, and 64 Kbps. Asynchronous data rates supported are 2.4, 4.8, 9.6, 19.2, 38.4 and 57.6 Kbps. Secondary channel data rates of 75, 150, 300, 600, 1200, and 2400 bps are offered depending upon the primary channel rate.



  • Ports: EIA-232
  • Environmental Conditions

  • Humidity: Up to 95% Non-condensing
  • Temperature: 32F (0C) to 122F (50C) Operating
  • General Information

  • Product Type: T1 CSU/DSU
  • Manufacturer Part Number: 1202011L1
  • Manufacturer Website Address: www.adtran.com
  • Manufacturer: Adtran
  • Product Name: DSU III AR T1/Fractional T1 CSU/DSU
  • Brand Name: Adtran
  • I/O Expansions

    Media & Performance

  • Data Transfer Rate: 2.40 Kbps to 64 Kbps DTE
  • Miscellaneous

    Additional Information

  • Secondary channel data rates of 75, 150, 300, 600, 1200, and 2400 bps
  • Built-in Devices: Status LCD
  • Protocols & Specifications: ITU V.25bis
  • Features Auto answer, auto synchronization, auto redial
  • Local and remote configuration (AT, front panel, V.25 bis)
  • DTE-to-service rate matching feature allows slower DTE devices to communicate over higher speed service offerings
  • Manual, DTR Dial, AT commands, V.25 bis, or stored number dialing capabilities
  • Auto answer of incoming calls
  • Receiver Sensitivity: -45 dB at all rates
  • DTE Rates
    - DTE-to-loop rate matching in both dedicated and switched modes
    - Synchronous rates
  • Switched Mode Dialing Options
    - Stored number
    - Front panel keypad (standalone only)
    - DTR dialing of stored number
    - In-band AT commands
    - V.25 bis in-band dialing
  • Data Buffering
    - Internal slack buffer Clocking
    - Normal DDS or private network tributary (slaved to network receive clock)
    - Private network master (internal)
    - Normal DDS with tail circuit
    - Private network master (slaved to external clock)
  • Certifications & Standards

  • FCC Part 15, Class A
  • FCC Part 68
  • Industry Canada CS03
  • UL and CUL
  • Physical Characteristics

  • Dimensions: 2.25" Height x 8.75" Width x 10.25" Depth
  • Shipping Dimensions: 4" Height x 10.25" Width x 15.50" Depth
  • Shipping Weight: 4.05 lb
  • Weight: 3 lb
  • Color: White
  • Power Description

  • Input Voltage: 115 V AC
  • Frequency: 60 Hz
  • Power Consumption: 8 W
  • Management & Protocols

    Technical Information

  • Diagnostic Features:
  • Network: CSU and DSU loopbacks
  • User:
    - Local DTE and loop
    - Remote V.54
  • Test patterns: 2047, 511, DDS stress patterns 1-4
  • Operating Mode: Dedicated DDS Multipoint
  • Warranty

  • Parts Warranty/Labor: 5 Year
  • Standard Warranty: 5 Year Limited - North American
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    Adtran DSU III AR T1/Fractional T1 CSU/DSU

    EIA-232 , Serial V.35 64 Kbps
    Add To Cart

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