Specifications
SIGNAL INTERFACES
4-3
communications, a 50-ft. maximum cable length is suggested. With
RS-422 or RS-485 communications, cable lengths up to 500 feet can be
used. Interface is made via a DE9S connector as shown below. Pin
assignments vary depending on the hardware protocol selected.
Connections for the various protocols are shown in the following tables.
DE9S Connector
RS-232 Connections
PIN NAME DESCRIPTION DIRECTION
1 N/C No Connection
2 TXD Transmit Data Out
3 RXD Receive Data In
4 DSR Data Set Ready In
5 GND Common Ground
6 DTR Data Terminal Ready Out
7 CTS Clear to Send In
8 RTS Request to Send Out
9 N/C No Connection
Pin 2 TRANSMIT DATA - Data transmitted from the Series 9000E
Scanner/Decoder to the host computer. Transmission is serial
ASCII. Format is user programmable.
Pin 3 RECEIVE DATA - Data transmitted from the Host Computer to
the Series 9000E Scanner/Decoder. Transmission is serial
ASCII. Format is user programmable.
Pin 4 DATA SET READY - A signal sent from the Host Computer to
the Series 9000E Scanner/Decoder to indicate that it is on-line.