Service manual

9 Wiring Diagram
9-4 SAM4S ER-900/SPS-300 SERIES
9-3 I/F PBA Block Diagram
9-4 I/F PBA Wiring connection
CN2 (DRAWER#2, RJ-11 MODULAR TYPE)
NO SIGNAL NAME
1 GND
2 DRAWER#2_IN
3 SENSOR_DWRCOMP#2_IN
4 +24V
5 N.C
6 GND
CN1 (I/F B’D to LAN SUB B’D NOWALL 8P TYPE)
NO SIGNAL NAME NO SIGNAL NAME
1 LANLED_LINK&ACT 5 GND
2 VDD18V 6 GND
3 VDD33V 7 LAN_TX-
4 VDD33V 8 LAN_TX+
CN4 (I/F B’D to LAN SUB B’D NOWALL 8P TYPE)
NO SIGNAL NAME NO SIGNAL NAME
1 LAN_RX+ 5 LANLED_SPEED
2 LAN_RX- 6 LANLED_SPEED
3 GND 7 VDD33V
4 GND 8 VDD33V
CN3 ( MAIN B’D to INTERFACE B’D CONNECTOR )
NO SIGNAL NAME NO SIGNAL NAME
1 LAN_TX+ 13 COM#2_RXD
2 LAN_TX- 14 COM#2_CTS
3 LANLED_SPEED 15 COM#3_CTS
4 LANLED_LINK&ACT 16 COM#3_RTS
5 LAN_RX- 17 COM#3_TXD
6 LAN_RX+ 18 COM#3_RXD
7 COM#1_TXD 19 COM#4_CTS&SEN_VUSBOCP
8 COM#1_RTS 20 COM#4_RTS&USB_SELT
9 COM#1_RXD 21 COM#4_TXD
10 COM#1_CTS 22 COM#4_RXD
11 COM#2_TXD 23 USB_D-
12 COM#2_RTS 24 USB_D+