12
run in an electrically noisy environment.
Do not run cables next to AC power lines or near
sources of electrical noise.
Be sure that the cable ends have been inserted all of
the way into mating connectors and are secure
Pin Designations
COM1 [RS-232]
Pin assignment of the 9 Pin, Female, SUB-D, COM1
[RS-232] Port. This port is used for connecting the
NP-600S to a controller.
Note:
This port is not used for programming the NP-
600S or for printing functions.
Pin #
Symbol
Function
1 Not
used
2 TxD
Transmitted
Data
3 RxD
Received
Data
4 Not
used
5 GND Signal
Ground
6 Not
used
7
CTS
Clear to send input
8
RTS
Ready to send output
9 Not
used
