User's Manual

Troubleshooting and Diagnostics
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Chapter
7
111
6820 Series 80-Column Printer User’s Manual
Communications Pin-Out Configurations
Below are common cable configurations between a mobile computer or a
dock and the printer:
Signal Name Pin # Pin # Signal Name
Chassis Ground shell 1 NC (No Connection)
Charge Input 8 9 HHC_CHARGE
SG (Signal Ground) 9 7 GND
DSR (Data Set Ready) 7 6 DTR
DTR (Data Terminal Ready) 2 20 NC
CTS (Clear To Send) 6 5 RTS
RTS (Ready To Send) 3 4 CTS
RXD (Receive Data) 5 3 TXD
TXD (Transmit Data) 4 2 RXD
Dock_A/B_SW NC 12 Term A/B
13
Mobile Computer
Wall Mount Printer or
Remote Mount Terminal Holder
25-Pin DSUB Male
1
25
14
8
15-Pin DSUB Male
15
9
1
shield
15-Pin to 25-Pin Cable P/N: 216-605-XXX