6
6.0 Standard Interface Pinouts
SERIAL PINOUTS
RS232 (standard)
RS232 (PC type)
PIN
FUNCTION
PIN
FUNCTION
2
Printer Transmit
2
Printer Receive
3
Printer Receive
3
Printer Transmit
7
Ground
5
RTS (+5V)
5,20 Printer Ready
6
DTR (printer ready)
4,22 RTS (+5V)
7
Ground
8
CD (+5V)
TYPICAL RS232 PIN CONNECTIONS
(standard)
(standard)
(pc type)
(pc type)
25 PIN PC
9 PIN PC
25 PIN PC
9 PIN PC
BOCA CPU
BOCA CPU
BOCA CPU
BOCA CPU
2 ---- 3 RXD
2 ---- 2 RXD
2 ---- 2 TXD
2 ---- 3 TXD
3 ---- 2 TXD
3 ---- 3 TXD
3 ---- 3 RXD
3 ---- 2 RXD
7 ---- 7 GND
7 ---- 5 GND
5 ---- 5 CTS*
5 ---- 8 CTS*
20 ---- 6 DSR
20 ---- 6 DSR
6 ---- 6 DSR
6 ---- 6 DSR
20 ---- 5 CTS*
20 ---- 1 CD*
7 ---- 7 GND
7 ---- 5 GND
20 ---- 8 CD*
20 ---- 8 CTS*
8 ---- 8 CD*
8 ---- 1 CD*
* optional connection
PARALLEL
PIN
FUNCTION
1
Strobe (negative)
2-9
Data (DB0 - DB7)
10
ACK (negative)
11
BUSY
12
PAPER OUT
13
SELECT (negative)
15
ERROR (negative)
18
Ground
RS422 DIFFERENTIAL INTERFACE PINOUTS (422190-9)
FAA
LOR
PIN
FUNCTION
PIN
FUNCTION
1,7
Ground
1,7
Ground
19
Printer Transmit -
19
Printer Tr
25
Printer Tr
25
Printer Transmit -
15
Printer Receive -
15
Printer R
17
Printer R
17
Printer Receive -
11
Ready +
11
Ready +
10
Ready -
10
Ready -
NOTE: The above pinouts may vary on certain printers due to special customer request.
Click here to return to >
Table of Contents
