Standard Interface Pinouts - Boca Systems Micro Plus User Manual

6.0 Standard Interface Pinouts

6.1 Serial Pinouts
RS232 (Standard)
Pin Function
2 Printer Transmit
3 Printer Receive
7 Ground
5,20 DTR (Printer Ready)
4,22 RTS (+5Vdc)
6.2 Typical RS232 Pin Connections
(Standard)
25 PIN PC
BOCA CPU
2 3 RXD
3 3 TXD
7 7 GND
20 6 DSR
20 5 CTS*
20 8 CD*
* Optional Connection
6.3 Parallel Pinout
Pin Function
1 Strobe (negative)
2-9 Data (DB0-BD7)
10 ACK (negative)
11 BUSY
12 PAPER OUT
15 ERROR (negative)
18 Ground
NOTE: The above pinouts may vary on certain printers due to special customer
request.
RS232 (PC type)
Pin
2
3
5
6
7
8
(Standard)
9 PIN PC
BOCA CPU
2 2 RXD
3 3 TXD
7 5 GND
20 6 DSR
20 1 CD*
20 8 CTS*
Function
Printer Receive
Printer Transmit
RTS (+5Vdc)
DTR (Printer Ready)
Ground
CD (+5Vdc)
(PC Type)
25 PIN PC
BOCA CPU
2 2 TXD
3 3 RXD
5 5 CTS*
6 6 DSR
7 7 GND
8 8 CD*
(PC Type)
9 PIN PC
BOCA CPU
2 3 TXD
3 2 RXD
5 8 CTS*
6 6 DSR
7 5 GND
8 1 CD*
7