Citizen pmn User Manual page 111

ESC "u" n
[Function]
[Code]
[Range]
[Outline]
[Caution]
Sending the status for peripheral device
<1B>H <75>H n
n = 0
This commands sends the status of the connector no. 3 pin.
n
0 Drawer kick-out connector No. 3 pin
Bit Function
0 No. 3 pin's level
1 Undefined
2 Undefined
3 Undefined
4 Undefined
5 Undefined
6 Undefined
This command is valid only for the serial interface. If nothing is connected to the
connector, the bit 0 will be always "1". In case of DTR/DSR control, if the host cannot
receive (DSR signal has the Mark status), the printer will wait until it will be ready to
receive. In case of XON/XOFF control, only one byte will be sent without confirming the
status of the DSR signal. Note that it may take time to send the status after receiving the
command.
Connector Pin
Status Sent
Value
0
"LOW"
97
iDP3410 User's Manual
1
"HIGH"
CITIZEN