DeskTop 500A DSU Specifications

 DeskTop 500A DSU

Specifications

COMPATIBILITY

Fully compliant with Bell Pub. 62310 and ANSI T1.410 standards

DATA RATES

Synchronous:  2.4, 4.8, 9.6, 19.2, 56 and 64 Kbps
Asynchronous:
  1.2, 1.8, 2.4, 4.8, 9.6, and 19.2 Kbps

OPERATING MODE

Conventional DDS:  Full duplex, point-to-point/multipoint
64 Kbps DDS:  Full duplex, point-to-point

DATA ENCODING

Bipolar, return to zero

DTE INTERFACE

ITU-T V.35 at 56 and 64 Kbps; EIA/TIA-232-E at 1.2 to 19.2 Kbps

DATA FORMAT

Synchronous:  Binary, serial
Asynchronous:  Binary, serial; 8, 9, 10 and 11-bit characters (  ITU-T V.14 compliant)

RTS/CTS DELAY (NOMINAL)

Normal
2.4 Kbps          8 milliseconds
4.8 Kbps          4 milliseconds
9.6 Kbps          2 milliseconds
19.2 Kbps       1 millisecond
56 Kbps           350 microseconds
64 Kbps           N/A
Extended
       45 milliseconds

LINE REQUIREMENTS

4-wire, non-loaded metallic circuits

LINE IMPEDANCE

135 ohms (nominal)

TRANSMITTER TIMING

Internal, External or Network Timing

POWER REQUIREMENTS

 105-129 VAC, 50/60 Hz, 8 W maximum

PHYSICAL CHARACTERISTICS

Height:  36 mm (1.4 in)
Width:
  188 mm (7.4 in)
Depth:
  279 mm (11.0 in)
Weight:
  .35 kg (1.0 lbs)
Shipping Weight:  1.0 kg (2.2 lbs)

Operating Temperature:
  0° to 50° C (32° to 122° F)
Humidity:
  Up to 95% without condensation

SAFETY PROTECTION

ETL Listed for U.S. and Canada



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