User`s manual

VII. 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: QS-100M --- four ports
ES-100M --- eight ports
Controllers: 16450 (16550 optional)
Interface: RJ-11 connector
Male D-25 connector
(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
QS-100M:
+5 volts: 379 mA typ, 448 mA max
+12 volts: 38 mA typ, 46 mA max
-12 volts: 36 mA typ, 43 mA max
ES-100M:
+5 volts: 439 mA typ, 509 mA max
+12 volts: 76 mA typ, 88 mA max
-12 volts: 72 mA typ, 82 mA max
Quatech QS-100M/ES-100M User's Manual 27