9–4 Hardware Guide
Specifications
Infrared port COM3 3E8h–3Efh 3 5
Internal modem COM2 2F8h–2FFh 11 3
✎
If the computer is running Windows NT 4.0, the internal modem can also
be set at COM4 and can also use IRQ 5 or 10.
Port and COM Port Settings (Continued)
Port Port Address IRQ DMA
Modem Specifications
Temperatures
Operating 32° to 167°F (0° to 75°C)
Storage –40° to 167°F (–40° to 75°C)
Relative Humidity (noncondensing)
Operating –10 to 90% (–10 to 90%)
Storage –5 to 95%@102°F (–5 to 95%@ 39°C)
Interfaces ■ Communications connector
■ Telephone, central office network
■ Standard RJ-11 telephone connector
■ Internal DAA
Power Requirements +3.3 volts +/–5%, +3.3 vaux
+/–5%,+5 volts +/–5%
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