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Connecting a PGND Cable
Connecting the PGND cable of a USG6510E, USG6510E-POE, USG6530E correctly is a key measure of surge protection and resistance to interference. Before using the USG6510E, USG6510E-POE, USG6530E, correctly connect the PGND cable. Otherwise, the USG may be damaged.
Procedure
- Loosen and remove the screw of the ground terminal on the USG rear panel.
- Connect the OT terminal at one end of the PGND cable to the connection hole of the USG, with the conducting wire upward, and tighten the M4 screw, as shown in A of Figure 5-11, and tighten the M4 screw. The tightening torque is 1.4 N·m.
The ground cable of the USG6510E, USG6510E-POE, USG6530E must be routed upwards.
- Connect the M6 end of the PGND cable to the ground terminal of the cabinet, workbench, or wall. The tightening torque of the M6 screw is 4.8 N·m.Figure 5-12 Connecting a PGND cable
The OT terminal may rotate and result in device damage. Make sure that it is independent of the adjacent metal mechanical part or other terminals.
