User's Manual

Troubleshooting and Diagnostics
—
Chapter
7
113
6820 Series 80-Column Printer User’s Manual
Signal Name Pin # Pin # Signal Name
TXD (Transmit Data) 3 4 RCT
RXD (Receive Data) 2 5 TXD
RTS (Ready To Send) 7 3 CTS
CTS (Clear To Send) 8 6 RTS
DSR (Data Set Ready) 6 7 DTR (Data Terminal Ready)
SG (Signal Ground) 5 9 GND
Chassis Ground shell shell Chassis Ground
8 Terminal Charge out to computer...............
PC
Printer
shield
1
15-Pin DSUB Female9-Pin DSUB Female
1
5
6
9
9
15
8
9-Pin to 15-Pin Cable P/N: 226-016-XXX