Specifications

Port and COM Port Settings (Continued)

Port

Port

Address

IRQ

DMA

 

 

 

 

 

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.

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%

 

 

 

9–4

Hardware Guide

Page 106
Image 106
HP n400c manual Modem Specifications, COM2