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DSU III AR ( 1202011L1 ) from ADTRAN

 The ADTRAN® DSU III AR™ is a technologically advanced, high performance data service unit/channel service unit (DSU/CSU). The DSU III AR 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 ADTRAN DSU III AR 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. 

The DTE interface can be selected as either EIA-232 or V.35 for all data rates. The secondary channel interface is EIA-232 and is accessed through a separate connector. 

Additional features of the DSU III AR ( 1202011L1 ) include a DTE-to-service rate matching feature for both dedicated and switched modes, as well as various anti-streaming time-out values, to disable streaming terminals on a multi-point circuit. Private networks and modem tail circuits are accommodated through clocking/timing options.

In the 4-wire SW56 mode, dialing options include manual dialing, redialing, and dialing of stored numbers. Dialing over the DTE interface is supported by use of an AT command set or the V.25 bis in-band dialing protocol. 

The ADTRAN DSU III AR responds to standard loopback commands from the telephone company central office. In addition, the user has several built-in test capabilities. These include V.54 remote loopback, 2047 and 511 BERT test patterns, and four DDS stress patterns (results of which are displayed on a two-line by 16-character LCD display and seven LEDs). The standalone unit’s front panel keypad supports setup, selection of test modes, local and remote configuration, manual dialing, or automatic dialing from stored numbers. 

The rackmount unit can be configured through the Smart 16/16e shelf controller card, from a local/remote VT100 terminal or from an ADTRAN DATAMATE. The DSU III AR can also be configured using AT or V.25 bis commands. A DC version of the standalone unit is also available. The DSU III AR DC supports all the functionality of the DSU III AR, except secondary channel.

DSU III AR standalone - 1202011L1
DSU III AR rackmount - 1200034L1
DSU III AR w/ISDN DBU rackmount - 1200067L1
DSU III AR w/V.34 DBU rackmount - 1200172L2
DSU III AR DC standalone - 1200270L1
19” RM2AC Shelf - 1200061L1
RM2AC Blank Cover - 1200061L2
19” Dual ESP Shelf (for DSU III AR DC) - 1200202L1
Dual ESP Blank Cover - 1200202L2

Product data sheet for the ADTRAN DSU III AR (pdf)

 

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Last modified: June 10, 2016