Specifications; Environmental And Safety Considerations; Local Alerting Tones - Nortel Meridian 1 Description

Page 30 of 104 M2000 Series Meridian Digital Telephones

Specifications

Environmental and safety considerations

Local alerting tones

553-3001-108 Standard 9.00 April 2000
This section lists the specifications required for M2000 Series Meridian
Digital Telephones.
All digital telephones and their associated options meet the requirements of
the Electronic Industries Association (EIA) specification PN-1361.
Temperature and humidity
Operating state:
Temperature range
Relative humidity
Storage:
Temperature range
Relative humidity
Electromagnetic interference
The radiated and conducted electromagnetic interference meets the
requirements of Subpart J of Part 15 of the FCC rules for class A computing
devices.
NT2K model sets with all options meet CISPR22, Class B requirements.
Each telephone provides four alerting tones and a buzz sound. The system
controls the ringing cadence by sending tone-ON and tone-OFF messages to
the telephone. The alerting tone cadences cannot be changed from the
telephone but can be altered for individual M2000 Series Meridian Digital
Telephones by software controlled adjustments in the system. See X11
Administration (553-3001-311). All other telephony tones, such as dial tone
or overflow, are provided by the Meridian 1 from a Tone and Digit Switch.
0° to 50°C (32° to 104°F)
5% to 95% (noncondensing). At temperatures
above 34°C (93°F) relative humidity is limited
to 53 mbar of water vapor pressure.
–50° to 70°C (–58° to 158°F)
5% to 95% (noncondensing). At temperatures
above 34°C (93°F) relative humidity is limited
to 53 mbar of water vapor pressure.