Chapter 4: Cable Installation and Grounding
Cable Grounding
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Page 4-7
Power Source
The Power cable must be plugged into the unit before turning on the external power.
When selecting a power source, the following must be considered:
DC power can be from -40 VDC to -60 VDC.
Warning
Availability of a UPS (Uninterrupted Power Source), battery backup and emergency
power generator is desirable.
The power supply must have grounding points on the AC and DC sides.
Caution
The user power supply GND must be connected to the positive pole in the PTP 820S
power supply.
Any other connection may cause damage to the system.
Note
For the warranty to be honored, you must install the PTP 820S in accordance with the
instructions above.
