10 Specifications
Bus interface PCI, 32-bit bus, 5-volt only
IBM-compatible computers
Dimensions: approx. 5.0" x 3.7"
Serial ports
Controller: 16750 with 64-byte FIFOs
Interface: Two male D-9 connectors, or two male
D-25 connectors optional using adapter cables
Transmit drivers: SN75150 or compatible
High-level output: +5V min, +8V typical
Low-level output: -5V max, -8V typical
Switching speed
low-to-high: 1.4 µs with 2500 pF load
40 ns with 15 pF load
high-to-low: 1.5 µs with 2500 pF load
20 ns with 15 pF load
Receive buffers: MC1489 or compatible
High-level input: +3V to +13V
Low-level input: -3V to -13V
Switching speed: 120 ns typical, 175 ns max
Power requirements
+5 volts: approx. 240 mA
+/-12 volts: approx. 10 mA
Temperature:operating 0° to 70°
storage -50° to 80°
Humidity: 10% to 90%
Quatech DSC-100 User's Manual
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