Zhone 5100 安装指南

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页码 98
CHAPTER 2
Installation
16
    
Vpacket 5100/6100 Series Installer’s Guide
9. Attach the captive grounding nut to a protective earthing terminal which has a permanent 
connection to building earth.
You have successfully attached the VDR unit to the wall. 
Standard 19-inch rack installation
To rack-mount the 5100/6100 VDR in an industry-standard 19-inch rack, you need an electronic 
enclosure rack that meets the following specifications:
Heavy-duty aluminum or steel construction
Electronic Industries Association (EIA) standard hole-spacing
Width of 19 inches (48.26 cm) and depth of 24 inches (60.96 cm)
If the rack rails do not have threaded holes, you must supply cagenuts to use with the cagenut 
screws. For rack mounting the 5100/6100 VDR, use screws that are appropriate for your 
rack.
The next two procedures explain how to install the 5100/6100 VDR flush in a rack or with a 3-
inch offset.
When mounting a 5100/6100 VDR in a 19-inch rack, you should ensure that the rack is not 
overloaded or unevenly loaded.
To rack mount the VDR flush with the rack
1. Use the supplied screws to attach the mounting brackets to the 5100/6100 VDR. See 
Caution. Use of longer screws could result in damage of internal components. 
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