Performance Specifications; Environmental And Safety Requirements; Temperature And Humidity; Electromagnetic Interference - Northern Telecom Meridian M3000 Reference Manual

Performance specifications

Environmental and safety requirements

Both the M3000 Touchphones and the Touch Asynchronous Data Option
(TADO) meet the requirements of Electronic Industries Association (EIA)
specification PN-1361.

Temperature and humidity

Table 3-1 lists temperature and humidity specifications for M3000
Touchphones.
Table 3-1xxx

Name of table

Temperature range
Operating state:
32° to 104 °
Storage
-58° to158 ° F (-50° to 70 ° C)
Note: At temperature above 93
of water vapor pressure.

Electromagnetic interference

The radiated and conducted electromagnetic interference meets the
requirements of Subpart J of Part 15 of the Federal Communications
Commission (FCC) rules for Class A computing devices.

Loop engineering

The M3000 Touchphones operate at their full potential through twisted-pair
wiring where the maximum permissible loop length is less than 3500 ft (915
m) of 24 AWG (0.5 mm) standard twisted wire with no bridge taps.
Meridian 1 Options 201, 211 Meridian SL-100 M3000 Touchphone Reference Manual MSL03
F (0 ° to 5° C)
° °
(34
Relative humidity
Operating state:
5% to 95 % (noncondensing)
Storage:
5% to 95% (noncondensing)
C) relative humidity is limited to 52 mbar
3-1