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TM 11-7010-207-23
Section
II.
EQUIPMENT
DESCRIPTION
AND
DATA
The 600GR converter consists of a 19-inch equipment rack which contains 12
individual converter boards, each with its own power supply. Each converter board
consists of a transmit and receive section. The transmit section generates a dc
level carrier signal which is sent to the receive section of an identical converter
board at the other end of the communications line. The transmit section also
accepts digital data from a computer or data processing terminal. Each converter
board converts this digital data from the terminal into bipolar dc level pulses
which are suitable for transmission over metallic wire. An identical converter
board at a remote receiving location translates these pulses back to digital form.
The converter can:
Receive and transmit data at rates up to 9600 bps between your ADP system
and other ADP system(s) or remote terminal(s). Transmission must be over
unloaded telephone metallic lines or dedicated metallic circuits up to 2
km in distance
Operate point-to-point, four-wire, full or half duplex mode
Provide fault isolation during checkout and installation using front panel
diagnostic LEDs and loopback test switch
Help you monitor operation of each individual power supply by lighting
power LED indicator on the front panel of each converter board
Major operating components (fig. 1-1 ) are located at the front of the converter
assembly. Ac power is provided by an ac power cord with grounded three-wire plug,
The ac line is fused at the rear of the unit. When power is on, lighted indicators
show the operating status of each converter board.
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