Service manual

9 Wiring Diagram
9-12 SAM4S ER-900/SPS-300 SERIES
9-17 OPTION SERIAL 1P(RJ45) PBA Block Diagram
9-18 OPTION SERIAL 1P(RJ45) PBA Wiring connection
9-17 USB PBA Block Diagram
9-18 USB PBA Wiring connection
CN1 (SERIAL#3 RJ-45 MODULAR TYPE)
NO SIGNAL NAME
1 VSERIAL50V(COM3&4)
2 COM#3_CTS_IN
3 COM#3_TXD_OUT
4 COM#3_RXD_IN
5 COM#3_RTS_OUT
6 COM#3_CTS_IN
7 GND
8 COM#3_RTS_OUT
CN2 (I/F B’D to OPTION B’D CONNECTOR)
NO SIGNAL NAME NO SIGNAL NAME
1 COM#4_CTS&SEN_VUSBOCP 9 COM#3_CTS
2 USB_D+ 10 GND
3 COM#4_RTS&USB_SELT 11 COM#3_RTS
4 USB_D- 12 VUSB50V
5 N.C 13 COM#3_TXD
6 VDD50V 14 VSERIAL50V(COM3&4)
7 N.C 15 COM#3_RXD
8 GND 16 VDD33V
CN3 (SERIAL 1P B’D to USB B’D CONNECTOR)
NO SIGNAL NAME
1 VUSB50V
2 GND
3 USB_D+
4 GND
5 USB_D-
6 GND
7 GND
8 GND
CN5 (SERIAL 1P B’D to USB B’D CONNECTOR)
NO SIGNAL NAME
1 VUSB50V
2 GND
3 USB_D+
4 GND
5 USB_D-
6 GND
7 GND
8 GND
CN4 (USB_A TYPE CONNECTOR)
NO SIGNAL NAME
1 VUSB50V
2 USB_D-
3 USB_D+
4 GND