Citizen Systems ct-s851 Betriebsanweisung
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1.
Turn off the power.
2.
Remove the protective seal from
the external device connecter.
the external device connecter.
3.
Confirm the orientation of the
external device cable connecter
and connect it to the external
device connecter at the back of the
printer.
external device cable connecter
and connect it to the external
device connecter at the back of the
printer.
(1) Connector pin configuration
Transmission to external devices done at 19200 bps, 8-bit, no parity.
3.4 Connecting an External Device
CAUTION
Use only the specified external device cable to connect to the external device connector
(do not use phone, LAN, or USB cables).
(do not use phone, LAN, or USB cables).
No. Signal
I/O
Function
1
FG
—
Frame ground
Connector used: RJ-45
Applicable connector:
RJ-45
Applicable connector:
RJ-45
2
RXD
Input
Data received from external device
3
TXD
Output Data sent to printer
4
DTR
Output Indicates that the external device can
receive.
MARK: External device cannot receive
SPACE: External device can receive
MARK: External device cannot receive
SPACE: External device can receive
5
DSR
Input
Indicates that the printer can receive
data.
MARK:Printer cannot receive
SPACE:Printer can receive
data.
MARK:Printer cannot receive
SPACE:Printer can receive
6
SG
—
Signal ground (common ground on
circuits)
circuits)
7
PS
—
Power supply terminal (24 VDC)
8
PG
—
Flyback line for power supply
External device
connector
Protective
seal
seal
External device cable
connector
connector