Intermec EasyCoder 4420 User Manual page 113

EasyCoder 4420 and 4440 Bar Code Label Printer User's Manual
25-Pin (Socket) D-Sub
Metal Backshell
Chassis Ground 1
Transmitted Data 2
Received Data 3
Request to Send
4
Clear to Send 5
Data Set Ready 6
Ground 7
Data Terminal Ready 20
Carrier Detect
8
PC
25-Pin PC Connector RS-232 null modem cable: This illustration shows the pin
assignments for the RS-232 null modem cable for the 25-pin PC connector (P/N 048668).
Note: The metal backshell is connected directly to the shield to achieve
electrostatic discharge (ESD) immunity.
9-Pin (Socket) D-Sub
Metal Backshell
Received Data 2
Transmitted Data 3
Clear to Send 8
Request to Send
7
Data Terminal Ready 4
Data Set Ready
6
Carrier Detect 1
Ground 5
PC
9-Pin PC Connector: This illustration shows the pin assignments for the RS-232 null
modem cable for the 9-pin PC connector (P/N 048693).
Note: The metal backshell is connected directly to the shield to achieve
electrostatic discharge (ESD) immunity.
Appendix C — Communications Reference
Shield
1
3
2
8
20
7
6
4
5
Printer
44XXU074.eps
Shield
1
2
3
8
6
20
5
4
7
Printer
44XXU075.eps
25-Pin (Plug) D-Sub
Metal Backshell
CHASSIS GROUND
Received Data
Transmitted Data
Carrier Detect
Data Terminal Ready
Ground
Data Set Ready
Clear to Send
25-Pin (Plug) D-Sub
Metal Backshell
Chassis Ground
Transmitted Data
Received Data
Carrier Detect
Data Set Ready
Data Terminal Ready
Clear to Send
Request to Send
Ground
101