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Installing the Device
2.4.1 Connecting AC Power
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Note
Siemens requires the use of external surge protection in VDSL applications where the
line may be subject to surges greater than that for which the device is rated. Use the
following specifications as a guide for VDSL external surge protection:
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•
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2.4.1
Connecting AC Power
To connect a high AC power supply to the device, do the following:
Electrical hazard – risk of damage to equipment
Before testing the dielectric strength (HIPOT) in the field, remove the braided
ground cable connected to the surge ground terminal and chassis ground. This cable
connects transient suppression circuitry to chassis ground and must be removed to
avoid damage to transient suppression circuitry during testing.
1.
10
Equipment must be installed according to applicable local wiring codes and
standards.
All line-to-ground transient energy is shunted to the Surge Ground terminal. In
cases where users require the inputs to be isolated from ground, remove the
ground braid between Surge and Chassis Ground. Note that all line-to-ground
transient protection circuitry will be disabled.
Clamping Voltage: 50 V to 200 V
Insertion Loss: < 0.1 dB at 10 MHz
Peak Surge Current: 10 kA, 8x20µs waveform
NOTICE
Connect the positive wire from the power source to the positive/live (+/L)
terminal on the terminal block.
RUGGEDCOM RMC40
Installation Manual, 11/2022, C79000-G8976-1009-10
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