Get wired!  

pinout (распиновка)

HP 4S Scanner connector

This page not supported any more. Please visit this page

9 pin D-SUB connector  at the scanner
Pin Name Dir Description
1 CD <-- Carrier Detect
2 RXD <-- Receive Data
3 TXD --> Transmit Data
4 GND --- System Ground
5 CTS <-- Clear to Send
6 DSR <-- Data Set Ready
7 RI <-- Ring Indicator
8 RTS --> Request to Send
9 DTR --> Data Terminal Ready

Note: Direction is DTE (Computer) relative DCE (Scanner).

Источник: HP 4S Scanner pinout at The Pin-Out directory