Dell PowerEdge R720xd Update Manual
Contents
1. Carrier Grade Updates for Dell PowerEdge R720 and R620 Systems Important Information A WARNING The intra building port s of the equipment or subassembly is suitable for connection to intra building or unexposed wiring or cabling only The intra building port s of the equipment or subassembly must not be metallically connected to interfaces that connect to the Outside Plant OSP or its wiring These interfaces are designed for use as intra building interfaces only Type 2 or Type 4 ports as described in GR 1089 CORE Issue 5 and require isolation from the exposed OSP cabling The addition of Primary Protectors do not provide sufficient protection to connect these interfaces metallically to the OSP wiring A WARNING The intra building port s of the equipment or subassembly must have shielded intra building cabling or wiring that is grounded at both ends e Network equipment Includes standard PCIe based Network Interface Card NIC and Fibre Channel FC devices Bonding network Equipment is suitable for Common Bonding Networks CBNs e Suitable installation location Equipment is suitable for installation in Network Telecommunications Facilities NTF and locations where the National Electrical Code NEC is applicable DC bonding Equipment is suitable for DC common bonding installations e Fan filter The filter material in the filter bezel is a 0 25 inch thick 25 PPI foam and has an ASHRAE dust by weight a2. rrestance of 66 The filter must be replaced on a quarterly basis K NOTE You can order a service kit containing four replacement filters by contacting Dell Support 2012 05 Rev A01 DC Power Supply Earthing Guidelines A WARNING Systems using 48 60 V DC power supplies may have a connection between the earthed conductor of the DC power supply circuit and the earthing conductor e The system must be connected directly tothe DC power supply system earthing electrode conductor or toa bonding jumper from an earthing terminal bar or bus to which the DC power supply system earthing electrode conductor is connected e The system must be located in the same immediate area for example adjacent cabinets as any other equipment that has a connection between the earthed conductor of the same DC power supply circuit and the earthing conductor and the point of earthing of the DC system The DC system must not be earthed elsewhere The DC source must be located within the same premises as the equipment e Switching or disconnecting devices must not be in the earthed circuit conductor between the DC source and the point of the connection of the earthing electrode conductor Fan Installation A qualified technician should be able to hot swap a fan in 15 minutes or less 2012 Dell Inc Trademarks used in this text Dell the DELL logo and PowerEdge are trademarks of Dell Inc
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