Patton electronic 2025 - Manual (Page 11)

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APPENDIX A
PATTON MODEL 2025 SPECIFICATIONS
Interface: Asynchronous., RS-232C compatible
Connectors: Serial, DB-25F; parallel, Centronics 36 pin
M
Cables: Six foot integral cable
Data Rates: 0 - 38,400 Kbps
LED: LED displays status and operating condition
Power Supply: None required; uses power from RS-232
interface
Data Format: 7 or 8 bits; 1 or 2 stop bits; even, odd or no
parity
Temperature Range: 0-60 ° C (32-140 ° F)
Altitude: 0-10,100 feet
Humidity: 5 to 95% non-condensing
Dimensions: 2.62” x 1.26” x .76”
Weight: 2 oz
APPENDIX B
PATTON MODEL 2025 INTERFACE CONNECTIONS
36 PIN CENTRONICS PARALLEL PORT CONNECTIONS
Pin Description Direction
1 Strobe Output
2 Data bit 0
3 Data bit 1
4 Data bit 2
5 Data bit 3
6 Data bit 4
7 Data bit 5
8 Data bit 6
9 Data bit 7
10 Acknowledge Input (active low)
11 Busy Input (active high)
12 Paper end
13 Select
18 +5 volts
32 Error
(16, 17, 19, 20, 21, 22, 23, 24,
25, 26, 27, 28, 29, 30, 33, 36)
Note: All other pins are unconnected
DB-25 SERIAL PORT CONNECTIONS
Pin Name Description
1 FG Connected to pin 7 with optional jumper
2 TXD Serial Transmit Data; also used as a
power source
3 RXD Serial Receive Data; also used as a power
source
4 RTS Request to Send; also used as a power source
5 CTS Clear to Send; also used as a power source
6 DSR Data Set Ready; also used as a power source
7 SG Signal Ground
8 DCD Carrier Detect; also used as a power source
9 +V in Used as a power source
20 DTR Data Terminal Ready; also used as a power
source
Note: All other pins are unconnected
10
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I/O
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Ground