Serial Port Connections - Patton electronics 2025 User Manual

PATTON MODEL 2025 INTERFACE CONNECTIONS
36 PIN CENTRONICS PARALLEL PORT CONNECTIONS
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
18
32
Note: All other pins are unconnected
DB-25 SERIAL PORT CONNECTIONS
Pin Name
1 FG
2 TXD
3 RXD
4 RTS
5 CTS
6 DSR
7 SG
8 DCD
9 +V in
20 DTR
Note: All other pins are unconnected
APPENDIX B
Description
Strobe
Data bit 0
Data bit 1
Data bit 2
Data bit 3
Data bit 4
Data bit 5
Data bit 6
Data bit 7
Acknowledge
Busy
Paper end
Select
+5 volts
Error
(16, 17, 19, 20, 21, 22, 23, 24,
25, 26, 27, 28, 29, 30, 33, 36)
Description
Connected to pin 7 with optional jumper
Serial Transmit Data; also used as a
power source
Serial Receive Data; also used as a power
source
Request to Send; also used as a power source
Clear to Send; also used as a power source
Data Set Ready; also used as a power source
Signal Ground
Carrier Detect; also used as a power source
Used as a power source
Data Terminal Ready; also used as a power
source
Direction
Output
}
I/O
Input (active low)
Input (active high)
}
10
Ground