6.0 Interface Pinouts
Serial Pinouts
RS232 (Standard)
Pin Function
2Printer Transmit
3 Printer Receive
7 Ground
5,20 DTR (Printer Ready)
4,22 RTS (+5Vdc)
Typical RS232 Pin Connections
(Standard) 25 PIN PC
BOCA | CPU | |
2 | 3 RXD | |
3 | 2 TXD | |
7 | 7 GND | |
20 | 6 DSR | |
20 | 5 | CTS* |
20 | 8 | CD* |
(Standard)
9 PIN PC
BOCA CPU
22 RXD
33 TXD
75 GND
20 | 6 DSR | |
20 | 1 | CD* |
20 | 8 | CTS* |
* Optional Connection
Parallel Pinouts
Pin Function
1Strobe (negative)
11 BUSY
12 PAPER OUT
15 ERROR (negative)
18 Ground
19
