Connecting High Ac/Dc Power - Siemens SIMATIC NET RUGGEDCOM RSL910 Installation Manual

Installing the Device
2.5.1 Connecting High AC/DC 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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2.5.1

Connecting High AC/DC Power

To connect a high AC/DC power supply to the device, do the following:
Electrical hazard – risk of damage to equipment
Do not connect AC power cables to terminals for DC power. Damage to the power
supply may occur.
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 in
order to avoid damage to transient suppression circuitry during testing.
Note
Torque all terminal connections to 0.6 N·m (5 lbf-in).
1.
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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, 8x20 µs waveform
NOTICE
NOTICE
Secure the power terminal block to the device.
RUGGEDCOM RSL910
Installation Manual, 04/2022, C79000-G8976-1305-13