Microscan MS-1 User Manual page 22

Electrical Interface
Contact Assignments (cont.)
7 GND
8 USB_D+ In/Out USB data (+)
9 LED Out
10 CTS In
11 Beeper Out
12 USB_D– In/Out USB data (–)
2-4
Ground
CCD engine status display.
Host authorizes scan engine to
transmit on TxD line (RTS/CTS
hardware protocol).
Active = symbol successfully
decoded.
Low level = inactive; awaiting
decode.
MS-1 Scan Engine User Manual