Specifications 9-11

Modem Board Specifications

The specifications for a typical optional modem board are included in the following table.

Modem Board Specifications

Feature Specification*
Modem Board 3Com V.90
Data (maximum speed) V90 ITU 56 Kbps ITU-T V.23
ITU-T V.34+ ITU-T V.22bis
ITU-T V.34 ITU-T V.22
ITU-T V.32bis Bell 212A
ITU-T V.32 Bell 103
Error Control and Data
Compression ITU-T V.42
ITU-T V.42bis
MNP5
*Specifications may vary by model.
Network Board Specifications

The specifications for the optional network boards are included in the following tables.

3Com 3C905C Network Board Specifications

Feature Specification
Topology 10Base-T, 100Base-TX-M
Bus PCI
Data Rates 10/100 Mbps
Dimensions:
Length
Width 4.0 in (10.16 cm)
7.0 in (17.79 cm)
Power Requirement +5V ± 5% at 250 mA max.
Operating Voltage +12V ± 5% at 500 mA max.
Operating Temperature 0 - 70°C (32° - 158°F)
Operating Humidity 10% to 90% (non-condensing)