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10Specifications
Bus interface PCI, 32-bit bus, 5-volt only
IBM-compatible computers
Dimensions: approx. 5.5" x 3.5"
Serial ports
Controller: 16750 with 64-byte FIFOs
Interface: Two female D-9 connectors
Transceivers: SP491 or compatible
Differential output: 2V min. with 50-ohm load (RS-422)
1.5V min. with 27-ohm load (RS-485)
Output rise/fall time: 3ns min., 40ns max., 15ns typ.
Differential input
Threshold: -0.2V min., +0.2V max.
Input resistance: 12k ohm min., 15k ohm typ.
Input current: +/- 1.0mA max.
Power requirements
+5 volts: approx. 320 mA
Temperature: operating 0° to 70°
storage -50° to 80°
Humidity: 10% to 90%
Quatech DSC
-200/300 User
'
s Manual
37