Dell PowerConnect J-SRX240 Hardware Guide - Page 139
Appendix B: J-SRX240 Services Gateway Power Guidelines, Requirements, and Specifications, J-SRX240
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APPENDIX B J-SRX240 Services Gateway Power Guidelines, Requirements, and Specifications This appendix includes the following topics: • J-SRX240 Services Gateway Site Electrical Wiring Guidelines on page 123 • J-SRX240 Services Gateway Power Specifications and Requirements on page 124 • J-SRX240 Services Gateway Grounding Specifications on page 125 J-SRX240 Services Gateway Site Electrical Wiring Guidelines Table 36 on page 123 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 36: Site Electrical Wiring Guidelines for the Services Gateway Site Wiring Factor Guideline Signaling Limitations 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. 123