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Simplex 2120 Multiplex - Page 7

Simplex 2120 Multiplex
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TABLE A
Channel 1 Baud Rate Selection
Channel 2 Baud Rate
Selection
OPEN
Channel 1 Communication Option (Note 1)
CLOSED
OPEN
POSITION 7
CLOSED
OPEN
POSITION 8
CLOSED
OPEN
Single Line
McCulloch Loop
No remote device
Remote device in
system
Normal executive
program
Is Not Used
Channel 2 Communication Option (Note 2)
Remote Device Option
-
Note 1: To determine if Channel 1 uses Single Line or McCulloch Loop operation, look at the AC Input Board.
If Terminals 20 through 24 are used, then Channel 1 uses McCulloch Loop operation. If only terminals
20 through 22 are used, Channel 1 uses Single Line operation.
Note 2: To determine if Channel 2 uses Single Line or McCulloch Loop operation, look at the AC Input Board.
If Terminals 15 through 19 are used, then Channel 2 uses McCulloch Loop operation. If only Terminals
15 through 17 are used, Channel 2 uses Single Line operation.
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