Safety Instruction - NEC Univerge sv8500 Manual

4.2.4

Safety Instruction

When installing the Analog 2MC for providing the analog telephone interface that is connected to off-premise
site, connect gas tube arrester across the line shown in Figure below.
System
Analog 2MC
RJ11
G
• Specifications
Specifications of the gas tube arrester for analog line to be provided are as follows.
PARAMETER
Nominal DC sparkover voltage
Impulse sparkover voltage
Nominal discharge current
Nominal decoupling resistance
Modular
GAS TUBE
Rosette
ARRESTER
for Digital Line
R
T
204V - 276V (100V/S) (1mA, DC200V)
300V (10/1000μs)
100A (10/1000μs)
26 ohm (max)
VOL.2-55
Analog 2MC (Analog Media Converter)
OFF-PREMISE
SPECIFICATIONS
To Analog
Telephone Set