Power-On Check On An Rhub; Huawei Proprietary And Confidential - Huawei DBS3900 Installation Manual

DBS3900 LampSite
Installation Guide
No.
8
Table 6-9
Table 6-9 Checklist for other cable connections
No.
1
2
3

6.6 Power-on Check on an RHUB

This section describes the power-on check on the RHUB after the RHUB hardware is
installed and checked.
Context
Power-on check involves high-voltage operation. Be cautious when conducting the power-on
check. Any direct contact with the input voltage or indirect contact through damp objects
might endanger your life.
Procedure
Step 1 Measure the RHUB earth resistance.
If...
The RHUB earth resistance is less than
10 ohms
The RHUB earth resistance is equal to
or larger than 10 ohms
Step 2 Measure the voltage of the RHUB.
Issue 06 (2015-10-30)
Item
The distance between the bundled fiber tails and the RHUB panel is less than
70 mm.
lists the checking items for other cable connections.
Item
The connectors of the other cables must securely connected.
Labels on the cables are legible and bound based on the engineering
requirements. The cables must be bound tightly and neatly. The sheaths of the
cables must not be damaged.
Positions for routing the cables must meet requirements of the engineering
design.
DANGER

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Then...
Go to Step 2.
Find out the cause and ensure that the resistance
meets requirement. Then, go to
6 Installing an RHUB
Step 2.
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