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Using the RS-232-C Interface
35
RS-232-C Standard Signals and their JIS and CCITT Abbreviations
RS-232-C Standard Signals
Signals
Pin No.
Pin 9 connector
Abbreviation
RS-232-C
Name
CCITT
JIS
5
3
2
7
8
Pin 25 connector
7
2
3
4
5
AB (GND)
BA (TXD)
BB (RXD)
CA (RTS)
CB (CTS)
102
SG
103
104
105
106
SD
RD
RS
CS
Ground for signal
Send data
Clear to send
Received data
Request to send
Notice on Connecting Printers
• Printers which support ESC/P commands can be used.
• When connecting a printer, refer to the printer specifications to ensure that a properly-
wired shielded cable is used.
• For details on the cable's pin assignments for connection to the CA100 calibrator,
refer to this information for an RS-232-C connector.
• Configure the baud rate, handshaking, and so on correctly, according to the
specifications of the printer being used.
Settings for Communication
The maintenance menu ([ZERO CLR] + [NEXT ENTER] keys) allows the setting of
communications functions.
Settings
Power source for communication
Turns the power supply to communications functions on and off. If this is disabled, no
communications function is available.
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