Nortel Meridian 1 Description

Also see for M3905: Reference guide Installation and administration guide User guide User guide Installation guide

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Nortel Meridian 1 Description Manual pdf 30 page image

Page 30 of 104 M2000 Series Meridian Digital Telephones553-3001-108 Standard 9.00 April 2000SpecificationsThis section lists the specifications required for M2000 Series MeridianDigital Telephones.Environmental and safety considerationsAll digital telephones and their associated options meet the requirements ofthe Electronic Industries Association (EIA) specification PN-1361.Temperature and humidityElectromagnetic interferenceThe radiated and conducted electromagnetic interference meets therequirements of Subpart J of Part 15 of the FCC rules for class A computingdevices.NT2K model sets with all options meet CISPR22, Class B requirements.Local alerting tonesEach telephone provides four alerting tones and a buzz sound. The systemcontrols the ringing cadence by sending tone-ON and tone-OFF messages tothe telephone. The alerting tone cadences cannot be changed from thetelephone but can be altered for individual M2000 Series Meridian DigitalTelephones by software controlled adjustments in the system. See X11Administration (553-3001-311). All other telephony tones, such as dial toneor overflow, are provided by the Meridian 1 from a Tone and Digit Switch.Operating state:Temperature range 0° to 50°C (32° to 104°F)Relative humidity 5% to 95% (noncondensing). At temperaturesabove 34°C (93°F) relative humidity is limitedto 53 mbar of water vapor pressure.Storage:Temperature range –50° to 70°C (–58° to 158°F)Relative humidity 5% to 95% (noncondensing). At temperaturesabove 34°C (93°F) relative humidity is limitedto 53 mbar of water vapor pressure.