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APPENDIX A
PATTON MODEL SPECIFICATIONS
Transmission Line:
19 to 26 AWG twisted pair
Range:
Up to 5 miles on 24 AWG twisted pair
Interfaces:
Asynchronous, EIA RS-232, CCITT V.24 full
duplex; 20mA or 60mA current
loop
Data Rates:
50 - 115,200 bps
Isolation:
2500V RMS via opto-isolators on line side
Connectors:
DB-25 male or female on both RS-232 and
current loop sides
Power Supply:
No external power; uses power from NIC
data and control signals
Temperature Range:
0-60°C (32-140°F)
Altitude:
0-15,000 feet
Humidity:
5 to 95% noncondensing
Dimensions:
2.21"l x 0.8"h x 2.10"w
Weight:
1.7 oz
7
APPENDIX B
BLOCK DIAGRAM
8
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