User Guide
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3. Lay cables according to the specifications, and bind and fix them with cable ties.
4. Stick a label to the installed cables.
4.5.7 Installing Monitoring Cable
1. Remove the dust cap from the RET interface of the RRU.
2. Connect the connector at one end of the RRU monitoring cable to the RET interface of the RRU, and
the connector at the other end to the external monitoring device.
3. Lay cables according to the specifications, and bind and fix them with cable ties.
4. Stick a label to the installed cables.
4.5.8 Installing GNSS Jumper
1. Remove the dust cap from the GNSS interface of the RRU.
2. Install the GNSS jumper.
➢
When installing the GNSS jumper, connect the connector at one end of the GNSS jumper to the
GNSS interface, and the connector at the other end to the GNSS lightning arrester interface.
➢
When installing the, connect the connector to the GNSS interface.
3. Lay cables according to the specifications, and bind and fix them with cable ties.
4. Stick a label to the installed cables.
4.6 Installation and Power-on Check
4.6.1 Installation Check
Check the installation result according to the table below.
No.
Item
1
The device installation position must strictly comply with the design drawing requirements
and installation space requirements, and a maintenance space must be reserved.
2
The RRU is securely installed.
3
A dust cap is installed at the RF port without RF cable installed, and waterproof measures
are taken for the dust cap.
4
Whole sections of materials must be adopted for all the power cords and PGND cables,
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