Operation Manual

SM500MK4 Service Manual
51
9.5.3 PS2 Keyboard Option
Pin Signal
1 DATA
2 NC
3 GND
4 VCC
5 CLK
6 NC
9.5.4 RS232C and Multi-Drop (4 Line, RS485) Wire
Connector Type
9 Pin D-Sub Connector
Female (Back View)
25 Pin D-Sub Connector
Female (Back View)
9 Pin D-Sub Connector
Male (Back View)
25 Pin D-Sub Connector
Male (Back View)
8 Pin DIN Plug
Male (Front View)
1
6
5
43
2
PS2 IBM Keyboard Connector (Main Board Side)