Service manual

9 Wiring Diagram
SAM4S ER-900/SPS-300 SERIES 9-9
9-11 OPTION SERIAL 2P(RJ45+RJ45) PBA Block Diagram
9-12 PRT JOINT(R/J) PBA Wiring connection
CN1 (SERIAL#3,#4 RJ-45 MODULAR TYPE)
NO SIGNAL NAME NO SIGNAL NAME
1 COM#3_RTS_OUT 9 COM#4_RTS_OUT
2 GND 10 GND
3 COM#3_CTS_IN 11 COM#4_CTS_IN
4 COM#3_RTS_OUT 12 COM#4_RTS_OUT
5 COM#3_RXD_IN 13 COM#4_RXD_IN
6 COM#3_TXD_OUT 14 COM#4_TXD_OUT
7 COM#3_CTS_IN 15 COM#4_CTS_IN
8 VSERIAL50V(COM3&4) 16 VSERIAL50V(COM3&4)
CN2 (I/F B’D to OPTION B’D CONNECTOR)
NO SIGNAL NAME NO SIGNAL NAME
1 COM#4_CTS 9 COM#3_CTS
2 N.C 10 GND
3 COM#4_RTS 11 COM#3_RTS
4 N.C 12 N.C
5 COM#4_TXD 13 COM#3_TXD
6 N.C 14 VSERIAL50V(COM3&4)
7 COM#4_RXD 15 COM#3_RXD
8 GND 16 VDD33V