15
Input Control (DTR signal) :
Mark: Data transmission not possible
Space: Data transmission possible
11-1-2 Connector Pin Assignment
FUNCTION
PIN NUMBER
INPUT-OUTPUT
RXD
3
IN
TXD
2
OUT
CTS
5
IN
RTS
4
OUT
DSR
6
IN
GND
7,9,14
*POWER
12,13,16
IN
NC
5,6,8,10,11,15,17-19,21-
25
F-GND
1
DTR
20
OUT
* Please note that some models can be set at the factory to receive power through the
serial port.
11-1-3
Serial Interface Timing Diagram
11-2. PARALLEL INTERFACE
11-2-1 Parallel Interface Specifications
Data Transmission Method:
8 bit parallel, DATA0 – DATA7
Synchronization:
Via external STROBE pulses
Handshaking:
ACK and BUSY signals
Data Transfer Rate:
1000 to 6000 characters per second
Logic Level:
Compatible with TTL level
11-2-2 Parallel Connector Pin Assignment
Summary of Contents for intell-print om-192-s
Page 21: ...21 APPENDIX 2 PRINTABLE CHARACTER SET...
Page 22: ...22 APPENDIX 3 EXTERNAL DIMENSIONS...
Page 23: ...23...