GE Mark VIeS - RS-232 C to Third-Party Device

9.3.6.2 RS-232C to Third-party Device (Slave)
• B (TX) to third-party device (Slave) RX
• D (RX) to third-party device (Slave) TX
• A (DTR/RTS) to third-party device (Slave) CTS
• C (CTS) to third-party device (Slave) RTS
• I/O pack SSCA out (TX) —+—————–+– (RX)
• I/O pack SSCA out (RX) —+—————-+– (TX)
• I/O pack SSCA out (DTR/RTS)—+—————+– (CTS)
• I/O pack SSCA out (CTS) —+—————+– (RTS)
Protocol RS-232C DTR/TRS
TX
CTS
RX
SCOM
RET
SSCA SIDE
CHANNEL 1 28 30 32 34 26 36
CHANNEL 2 27 29 31 33 25 35
CHANNEL 3 15 17 19 21 13 23
CHANNEL 4 16 18 20 22 14 24
CHANNEL 5 4 6 8 10 2 12
CHANNEL 6 3 5 7 9 1 11
PSCA Modbus Master (Serial Communication) Module GEH-6855_Vol_II System Guide 297
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