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Connector Locations 5-17
4227-X00
Main Logic Board<-->Serial Board (4227-200)
Serial Board<-->Serial Cable (4227-200)
Main Logic Board
CN22
Serial Board
CN2
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
Pin 7
Pin 8
Pin 9
Pin 10
Pin 11
Pin 12
+TXD422
-RXD422
+RXD422
-TXD422
DTR
Signal Gnd
DSR
-CTS
RTS
RXD
TXD
SBSET
Pin 12
Pin 11
Pin 10
Pin 9
Pin 8
Pin 7
Pin 6
Pin 5
Pin 4
Pin 3
Pin 2
Pin 1
+TXD422
-RXD422
+RXD42
-TXD422
DTR
Signal Gnd
DSR
-CTS
RTS
RXD
TXD
SBSET
CN1
Pin 1 Chassis Gnd Pin 14 NC
Pin 2 TXD Pin 15 -RXD422
Pin 3 RXD Pin 16 NC
Pin 4 RTS Pin 17 +RXD422
Pin 5 -CTS Pin 18 NC
Pin 6 DSR Pin 19 -TXD422
Pin 7 Signal Gnd Pin 20 DTR
Pin 8 NC Pin 21 NC
Pin 9 NC Pin 22 NC
Pin 10 NC Pin 23 NC
Pin 11 NC Pin 24 NC
Pin 12 NC Pin 25 +TXD422
Pin 13 NC