OfficeServ 7200 INSTALLATIONTECHNICAL MANUAL PART 5 MAY 20105.4It is important to note that the OS 7150 only provides additional power to the PLIM/PLIM2.The OS 7150 is used when the PLIM/PLIM2 connected devices cause the total current drawper cabinet to exceed 2200 mA. It does not provide power to DLI, MWSLI and 4WLI ports.PRODUCT SAFETYGrounding Requirements• Follow all grounding conditions listed in Section 1.2.• The grounding wire of OfficeServ 7150 PoE PSU should not be connected to the conduitof the power cables in the building.• Power and grounding cables should meet the national standard. Installation of themshall be based on the national standard.• Grounding should be made to an outside port to protect human body as well asOfficeServ 7150 PoE PSU from lightning, static electricity and instantaneous overvoltage.• The system should be connected to a properly grounded electric outlet.• The GND ground on the rear panel of OfficeServ 7150 PoE PSU should be properlyconnected.Use caution when connecting External Battery DC Output ConnectionDo not drive another device with the DC output of the external battery of the OfficeServ7150.When inserting and removing the PSU modules from the cabinet, allpower should be turned OFF.Connecting Grounding WireUnplug AC power cable before grounding wire is connected.Use of Double-Pole Neutral FusingIt is dangerous to carry out repair work with single fuse removed from the double poleneutral wire.Do Not Wear Metallic AccessoriesTo prevent electrical shock, do not wear metallic accessories while handling the product.FOLLOW ALL SAFETY AND GROUNDING GUIDELINES MENTIONED INSECTIONS 1.1.1 and 1.2.