Bematech KC-4112 Rev.1.1 - Manual (Page 15)

KC-4112 . Revision 1.1
15
Printer Side (DB-25) Host Side (DB-9)
2 (TD) 2 (RD)
3 (RD) 3 (TD)
6 (DSR) 4 (DTR)
7 (GND) 5 (GND)
20 (DTR) 6 (DSR)
1-7-8 (jumper)
Printer Side (DB-25) Host Side (DB-25)
2 (TD) 3 (RD)
3 (RD) 2 (TD)
6 (DSR) 20 (DTR)
7 (GND) 7 (GND)
20 (DTR) 6 (DSR)
4-5-8 (jumper)
Parallel interface
The printer has an available unidirectional parallel interface with the following specifications:
• Synchronization: Externally supplied Strobe signals
• Handshaking: Ack and Busy signal
• Signal levels: TTL compatible
• Data transmission: 8-bit parallel
Parallel Interface Pin Assignments:
Figure 10