CBM-230/231User ’sManual
42 CITIZEN
(25) Transmittingthe status of the peripheral device (ESC u n)
Code: [1B]h + [75]h+ n
*{n=0}
Transmits the current status of connect or pin No.3.
•"n"has the following meanings.
n( Hex) Type
0 Drawer kick connector No. 3
• Thetransmitted status is of 1 byte and its contents are shown in the table below.
• Whennothing isconnected to the connector, Th e bit 0 of "n" is alwa ys "1".
• In case of DTR/DSR control, only one byte is transmitted after confirming that the host is ready to
receive (DSR signal is in Space mode). In case of XON/ X OFF control, only one byte is transmitted
without confirming the state of the DS R signal.
• In case of DTR/DSR control, if the host is not rea dy to receive (DSR signal is in the Mark mode), it
waits to get ready to receive.
Val ue
Bit Function 01
0 No.3 pin's level “L” “H”
1 Undefined
2 Undefined
3 Undefined
4 Unused Fixedto0 –
5 Undefined
6 Undefined
7 Undefined
[Caution] Serial interface only