Nortel ICS Install Manual page 636

636 / Specifications
Current at
telephone (idle)
Current at
telephone (active)
Electrical requirements
Characteristic
Electrostatic discharge
ICS and telephones
Connectors
Radiated immunity
Conducted immunity
Environmental requirements
Characteristic
Operating temperature range
Storage temperature range
Humidity above 34°C (93°F)
ISDN network synchronization
Characteristic
* These specifications only apply when the system clock is not derived from a Digital
Trunk Interface connection to the network.
Modular ICS 7.1 Installer Guide
45 mA nominal
80 mA maximum
Spec/Value
IEC 801-2 severity level 3
maximum of 15 kV with a 300¾/150 pF probe
IEC 801-2 severity level 2
maximum of 5 V/m from 100 kHz to 1 GHz
maximum of 3 V rms from 0.1 MHz to 30 MHz
Spec/Value
0°C to 50°C (32°F to 122°F) IEC. 68-2-1
Tests Ad and IEC 68-2-2, Method A
-50°C to 70°C (-31°F to 158°F)
IEC. 68-2-2 Test Bd
5% to 95% (non-condensing)
<52 mbar of water vapor pressure
*
Spec/Value
N0130943 02