8 Specifications
Bus interface:
PCI, 32-bit bus, Universal Signalling Voltage
IBM-compatible computers
Dimensions:
approx. 4.725" x 2.5"
Serial ports
Controller:
16750 with 64-byte FIFOs
Interface:
Custom cable to four female D-9 connectors
Transceivers:
MAX-3076E 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:
15ns max.
Differential input
threshold:
-0.2V min., -0.05V max.
Input resistance:
96k ohm min..
Input current:
-100 microAmps min., +125 microAmps.
Power requirements
+5 volts:
approx. 250 mA
Temperature
:
operating 0° to 70°
storage -50° to 80°
Humidity:
10% to 90%
Quatech QSC(LP)-200/300 User's Manual
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