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Patton electronics 2021 User Manual page 6

Interface powered rs-232 to x.21 converter
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PATTON MODEL 2021 SPECIFICATIONS
Interfaces:
Data Rates:
Transmission Mode:
Protocol:
Clocking:
Connectors:
Power Supply:
Temperature Range:
Altitude:
Humidity:
Dimensions:
Weight:
APPENDIX A
EIA RS-232/ITU/CCITT V.24, ITU/CCITT
X.21
0 - 384 Kbps
Full or half duplex
Transparent to protocol
Set by connected DCE devices
DB-25 male or female on RS-232 side, DB-
15 male or female on X.21 side
None required; uses power from RS-232
data and control signals
0-60°C (32-140°F)
0-15,000 feet (0-5,000 meters)
5 to 95% non-condensing
2021XC-XT: 2.66"L x 2.10"W x 0.73"H
2021XT-XC: 3.56"L x 2.10"W x 0.80"H
14 oz, including cable and connectors
5

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