Key Expansion Module; Meridian Communications Adapter (Mca); Environmental And Safety Considerations - Meridian Nortel 1 Option 11C Technical Reference Manual

Key Expansion Module

Meridian Communications Adapter (MCA)

Environmental and safety considerations

Environmental and safety considerations
European Digital telephones: 3110, 3310, and 3820
A 22-key unit module can be attached to any M3820 terminal. The extra keys
can be assigned to any combination of lines and features. You can add up to
two expansion modules to a terminal. You will need a separate footstand for
the module(s), one for a single module, one for a double.
The MCA lets you connect your telephone to a personal computer or terminal.
You can then use your telephone to exchange data between your computer
and other computers. The MCA can be used with all three models.
All Meridian digital telephones are designed to comply with:
EN 60950:1992 - Safety of Information Technology Equipment including
Electrical Business Equipment.
EN 41003:1993 - Particular Safety Requirements for Equipment to be
connected to Telecommunication Network.
Temperature and humidity
Operating state:
Temperature range
Relative humidity
Storage:
Temperature range
Relative humidity
Electromagnetic interference
All the digital telephones are designed to comply with:
EN 50082-1:1992 - Electromagnetic Compatibility - Generic immunity
standard Part 1: Residential, commercial and light industry.
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.
Option 11C and 11C Mini
Page 329 of 544
Technical Reference Guide