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Safety, Regulations, and Certifications
Grounding and isolation
Installation safety precautions
46
SkyZhone 1624, 1424, 1224 Hardware Installation Guide
•
Operation is subject to the following two conditions: (1) this device
may not cause interference, and (2) this device must accept any
interference, including interference that may cause undesired
operation of the device.
Proper grounding of the SkyZhone platform must be completed before you
connect power to the unit.
•
The internal subassemblies signal/Logic ground is internally bonded to
the Safety Ground (chassis).
•
SkyZhone provides both Primary and Secondary lightning and surge
protection to the SHDSL and PoE cable signals. The Console cable
signals are not protected and this cable, which is not intended for outdoor
use, should not be connected when the unit is installed.
•
The SHDSL cable that carries RFT-V power to the unit has no connection
to the Chassis Ground. This cable shield is only intended to add durability
and mechanical protection of the internal wires.
•
Proper Safety Grounding is required to insure proper operation and
protection from lightning strikes and surges. A copper ground lug is
provided on the unit for this purpose. Connect a length of #10 AWG solid,
bare, copper wire to the grounding lug and firmly tighten the grounding
screw (see Figure 20). Connect the other end of the grounding wire to a
grounded surface or another earth ground such as a metal rod.
Maximum ambient operating temperature should not exceed 50
Minimum ambient operating temperature should not exceed -35
Observe the maximum recommended operating temperature as indicated here.
Do not block system air vents; this will deprive the system of the airflow
required for proper cooling. Sufficient clearance must exist on all sides of the
rack to permit equipment access. Connect the system to the power supply
circuit as described in this document. Do not overload the system or power
supply circuit. Ensure that proper system grounding is performed and
maintained.
0
0
C (122
F).
0
0
C (-31
F).
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