Ruijie RG-EG105G(V2) Cloud Managed Router User Guide
Installation Guide
Preparing for Installation
greater than twice of the theoretical maximum leakage current of all the power supplies in the system.
For example, if a system is equipped with eight identical power supplies, the leakage current of each
power supply is equal to or less than 3.5 mA, and the leakage current of the system totals 56 mA. A
leakage protector with 30 mA rated action current supports less than five power supplies (that is, Action
current of the leakage protector/2/Maximum leakage current of each power supply = 30/2/3.5 = 4.28). In
other words, the leakage protector with 30 mA rated action current supports no more than four power
supplies. In this case, the sixteen power supplies in the system require at least four leakage protectors
with 30 mA rated action current and each leakage protector supports four power supplies. If power
supplies in a system differ in models, the rated leakage action current of each leakage protector divided
by two is greater than the sum of maximum leakage currents of all the power supplies. The rated leakage
non-action current of a leakage protector shall be 50% of the leakage action current. Take a leakage
protector with 30 mA rated leakage action current as an example. The rated leakage non-action current
shall be 15 mA. When the leakage current is below 15 mA, the protector shall not act. Otherwise,
misoperation may easily occur due to high sensitivity and thus the leakage protector trips, devices are
powered off, and services are interrupted.
To guarantee personal safety, the rated leakage action current of each leakage protector in the system
must be equal to or less than 30 mA (human body safety current is 30 mA). When twice of the total
leakage current of the system is greater than 30 mA, the system must be equipped with two or more
leakage protectors.
For the leakage current value of each power supply model, see the power supply model parameter table
in Chapter 1.
2.1.4 Static Discharge Damage Prevention
To prevent damage from static electricity, pay attention to the following:
Proper grounding of grounding screws on the back panel of the device.
Indoor dust prevention
Proper humidity conditions
2.2 Installation Site Requirements
To ensure the normal working and a prolonged durable life of the equipment, the installation site must meet the
following requirements.
2.2.1 Installation Site
If the router is installed in the cabinet, the following requirements shall be met:
Make sure sufficient room has been reserved for the air intake and air vent of router to facilitate the heat
elimination of the router chassis.
Make sure the cabinet is equipped with a good ventilation and cooling system.
Make sure the cabinet and workbench is steady enough and capable of withstanding the weight of the router
and its accessories.
Make sure the cabinet is properly grounded.
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| General | Details |
|---|---|
| Name | Ruijie RG-EG105G(V2) Cloud Managed Router User Guide |
| Make | RuiJie |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.36 MB |
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