3Com 4500 Getting Started Manual

Also see for Switch 4500 Family: Product guide Datasheet Datasheet Datasheet Datasheet

Contents

3Com 4500 Getting Started Manual Manual pdf 69 page image

D REDUNDANT P OWER SUPPLYSAFETY INFORMATIONImportant Safety InformationWARNING: This device has more than one power input. Disconnect allpower inputs to power off this device.WARNING: The installation of the Redundant Power Supply (RPS) shouldonly be carried out by properly trained and qualified personnel.WARNING: These instructions must be read in conjunction with the RPSflyer and the safety and installation instructions supplied with your RPS.WARNING: When powering any Switch 4500 from an RPS, the unit mustbe earthed (grounded). This can be achieved by either connecting thepower cord to the unit or by connecting the earth terminal on the rear ofthe unit to a reliable electrical earth, or by connecting both. It must beensured that the earth connection is made before connecting the DCsupply from the RPS.WARNING: Any RPS must be approved as an unearthed SELV output inaccordance with IEC 60950-1/UL 60950-1/EN 60950-1.WARNING: RPS Manufacturers’ recommendations must be followedwhen connecting the cable to the RPS.WARNING: Ensure that the circuit breaker in the RPS is in the open (off)position when connecting the cable to the RPS.WARNING: You must ensure that the positive terminal on the Switch isconnected to the positive (common) terminal of the RPS and that thenegative terminal on the Switch is connected to the negative (circuitbreaker) terminal of the RPS.