ANATEL A643, Operator'S Manual, Page: 148 / 222

148 of 220 Serial Communications - Anatel A643a
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Operator Manual
Anatel
5) Make the necessary connections to the Analyzer's DATA ACQUISITION Port as
shown.
6) Replace the metal strain relief plate.
7) Replace the I/O Connector Block on the bottom of the Analyzer, taking care not to pinch
any wires, and secure it by tightening the screws.
8) Reconnect power and turn the Analyzer ON.
Note:
The I/O Connector Block must be reinstalled correctly to conform to emissions specifications.
Fig 12-1 : Serial Wiring
TxD2
RxD2
SG
PG
TxD3
RxD3
SG
PG
Isolated
D
A
T
A
A
CQ
UISITION
PRINTER
DIA
GNOSTICS
BIAS
Non-Isolated
OUTPUTS
INPUTS
4-20mA
NET+
NET–
COM
NET
A
UX
NET+
NET–
COM
OUT1*
OUT2*
COM–
COM+
IN1*
IN2*
+12V
COM
OUT+
OUT–
TxD1
RxD1
RTS1
CTS1
SG
PG
Strain Relief
Plate
9-Pin
"D"
Connector
RxD
(2)
TxD
(3)
CTS
(8)
SG
(5)
DATA ACQUISITION
Anatel A643a
Connector Block
TxD1
RxD1
RTS1
CTS1
SG
Serial Device or
Host Computer