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10Specifications
Bus interface PCI, 32-bit bus, 5-volt only
IBM-compatible computers
Dimensions: approx. 6.5" x 4.5"
Serial ports
Controller: 16750 with 64-byte FIFOs
Interface: (ESC-100D)
One female D-78 connector, with eight
male D-25 connectors using supplied
adapter cable
(ESC-100M)
Eight RJ-11 connectors, or eight male
D-25 connectors using optional 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. 260 mA
+/-12 volts: approx. 35 mA
Temperature: operating 0° to 70°
storage -50° to 80°
Humidity: 10% to 90%
Quatech ESC-100 User's Manual
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