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DS2/DS4 Hardware Manual
Page 24
A
B
C
D
Pulled Active
Differential pair is pulled apart to mimic a
UART sending a break condition.
A
B
C
D
Pulled Active and Terminated
Differential pair is terminated with 124
Ω
and is pulled apart to mimic a break
condition.
The following links configure the termination for the differential pairs:
Link
Channel
RS422 Pair
RS485 Pair
Signal Names
LK13
A
Receive
n/a
A-RXA, A-RXB
LK14
B
Receive
n/a
B-RXA, B-RXB
LK15
A
Transmit
Bi-directional
A-TXBA, A-TXBB
LK16
B
Transmit
Bi-directional
B-TXBA, B-TXBB