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Appendix B
SRX210 Services Gateway Power
Guidelines, Requirements, and
Specifications
This appendix includes the following topics:
■ SRX210 Services Gateway Site Electrical Wiring Guidelines on page 157
■ SRX210 Services Gateway Power Specifications and Requirements on page 158
■ SRX210 Services Gateway Grounding Specifications on page 159
SRX210 Services Gateway Site Electrical Wiring Guidelines
Table 46 on page 157 describes the factors you must consider while planning the
electrical wiring for the services gateway at your site.
CAUTION: It is particularly important to provide a properly grounded and shielded
environment and to use electrical surge-suppression devices.
Table 46: Site Electrical Wiring Guidelines for the Services Gateway
GuidelineSite Wiring Factor
To ensure that signaling functions optimally:
■
Install wires correctly.
Improperly installed wires can emit radio interference.
■
Do not exceed the recommended distances or pass wires between
buildings.
The potential for damage from lightning strikes increases if wires
exceed recommended distances or if wires pass between buildings.
■
Shield all conductors.
The electromagnetic pulse (EMP) caused by lightning can damage
unshielded conductors and destroy electronic devices.
Signaling
Limitations
SRX210 Services Gateway Site Electrical Wiring Guidelines ■ 157