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Figure B-2. Drawer Kick-out Signal Interface Circuit
NOTES:
The circuit on the user side should be designed so that the drawer
l
drive duty is as shown below.
ON time + OFF time
The waveform shown in Figure B-l is output at Point A in Figure B-2
l
(n1 (ON time) and n2 (OFF time) depend on the ESC p command.)
APPENDIX C Interfaces
1. Specifications (RS-232C compatible)
Data transmission:
Synchronization:
Handshaking:
Signal level:
Baud rates:
Bit length:
Parity:
Stop bits:
Connector:
n1 x 2 ms
Figure B-1. Drawer Kick-out Drive Signal
Printer side
ON time
0.2
Serial
Asynchronous
DTR/DSR or XON/XOFF control
MARK = -3 to -15 V:
SPACE = +3 to + 15 V:
1200,4800,9600,19200 bps
8 bits
Invalid, even, odd
1 bit or more
D-SUB 25 pin connector
ms
n2 x 2
User side
Logic "1"
Logic "0"
67
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