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A-4 RealPort Modem 56 User’s Guide
Appendix B. Specifications
General Specifications
Connectors: RJ-11 (modem), RJ-11 (phone set pass-through)
Size: 85.6 mm x 54.0 mm x 10.5 mm (3.37 in x 2.13
in x 0.413 in)
Weight: 36 g (1.3 oz)
Temperature range:
Operating: 0°C to 65°C (32°F to 149°F )
Storage: -20°C to 85°C (-4°F to 185°F)
Humidity: 95% maximum noncondensing
Memory: 2 MB memory accommodates dual V.90 and
K56flex operation
Power: +5 VDC, 200 mA idle, 240 mA active
Approvals: FCC Part 15, Class B, FCC Part 68, Industry
Canada
Modem Specifications
Data modulation: V.90 or K56flex up to 56000 bps; V.34 from
33,600 down to 2400 bps; V.32terbo at 19200
and 16800 bps; V.32bis at 14400, 12000, 9600,
and 7200 bps, uncoded at 4800 bps; V.32 at
9600 bps, uncoded at 4800 bps; V.23 at 1200/
75 and 75/1200 bps; V.22bis at 2400 bps; V.22
at 1200 bps; Bell 212A at 1200 bps
Fax modulation: V.17 at 14400, 12000, 9600, 7200, and 4800
bps; V.29 at 9600, 7200, and 4800 bps; V.27ter
at 4800 and 2400 bps
Fax support: Group 3, EIA/TIA Class 1 and Class 2
Error control: V.42 Error Control, MNP Levels 2-4 Error
Detection
Data compression: V.42bis (4:1) or MNP Level 5 (2:1)
Diagnostics: Power-up self tests of program RAM, data
RAM, and nonvolatile memory.
Nonvolatile RAM: 1 user definable profile; 2 thirty-six digit
telephone numbers; serial number