Toshiba A3X manual 41 CN3440 Serial I/F Connector 9-pin, 42 CN4630 USB harness I/F Connector 8-pin

Appendix. C Pin Assignment Appendices

C.41 CN3440 Serial I/F Connector (9-pin)

Table C-41 Serial I/F Connector pin assignment (9-pin)

Pin No.	Signal name	I/O	Pin No.
1	BDCD-P3N	O	2
3	BTXD-P3P	I	4
5	GND	-	6
7	BRTS-P3N	I	8
9	BRING-P3N	O

Signal Name

BRXD-P3P BRTR-P3N BDSR-P3N BCTS-P3N

I/O

O

I

O

O

C.42 CN4630 USB harness I/F Connector (8-pin)

Table C-42 USB harness I/F connector pin assignment (8-pin)

Pin No.	Signal name	I/O	Pin No.
1	USB signal4	-	2
3	USB signal3	I/O	4
5	USBPS-E5V	I/O	6
7	N.C.	-	8

Signal Name

USB signal2 USBPS-E5V N.C.

GND

I/O

I/O

I/O

-

-

C.43 CN4632 USB I/F Connector 1 (4-pin)

Table C-43 USB I/F Connector 1 pin assignment (4-pin)

Pin No.	Signal name	I/O	Pin No.
1	USBPS-E5V	I/O	2
3	USB signal3	I/O	4

Signal Name

USB signal2 USB signal1

I/O

I/O

I/O

Satellite A50S/TECRA A3X Maintenance Manual (960-534) [CONFIDENTIAL] C-33