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7. SPECIFICATIONS
Bus interface: Industry Standard Architecture (ISA)
16-bit bus
IBM PC-AT
TM
compatible
Dimensions: 13.4" x 4.2"
Serial ports
Number of ports: eight
Controllers: 16450 (16550 optional)
Interface: Female high-density D-78 connector
or eight male D-25 connectors (using
optional adapter cables)
Transmit drivers: MC1488 or compatible
Receive buffers: MC1489 or compatible
I/O Address range: 0000H - FFFFH
Interrupt levels: IRQ2 to IRQ7
IRQ10 to IRQ12,
IRQ14, IRQ15
Power requirements
+5 volts: 450 mA
+12 volts: 90 mA
-12 volts: 90 mA
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Quatech ES-100D User's Manual