
phn-3967_005v000
Page 5-1
Chapter 5:
Connecting Power Cable
Caution
Before connecting the power supply to the PTP 820G unit, you must verify that the
positive pole in the external power supply is grounded! Power supply grounding must
be in according with the following figure:
Figure 12 Power Supply Grounding
PTP 820G utilizes two power interface for power redundancy. A power cable connector is included
with the PTP 820G unit.
To connect a power cable to the PTP 820G:
1 Expose the wires of the power cable.
2 Loosen the top two screws on the connector.
3 Verify that the wiring is according to the correct polarity.