Norco BIS-1280A40, User Manual

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BIS-1280A40 User Manual
COM1-2
（
J17A
）：
Signal Name Pin Signal Name
COM2_SIN_A A1 B8 GND_485
COM2_SOUT_B A2 B7 GND_485
GND_ISO1 A3 B6 NC
VCC_COM1_2 A4 B5 VCC_COM1_2
VCC_COM1_2 A5 B4 VCC_COM1_2
NC A6 B3 GND_ISO1
GND_485 A7 B2 COM3_SOUT_B
GND_485 A8 B1 COM3_SIN_A
COM3-4
（
J17B
）：
Signal Name Pin Signal Name
COM4_SIN_A C1 D8 GND_485
COM4_SOUT_B C2 D7 GND_485
GND_ISO1 C3 D6 NC
VCC_COM3_4 C4 D5 VCC_COM3_4
VCC_COM3_4 C5 D4 VCC_COM3_4
NC C6 D3 GND_ISO1
GND_485 C7 D2 COM5_SOUT_B
GND_485 C8 D1 COM5_SIN_A
J17