Connecting The Pgnd Cable - HP A6604 Installation Manual

(EMS) of the router. The PGND cable can also protect the router against high lightning voltage
resulting from external network lines such as E1 line.

Connecting the PGND Cable

The grounding screw of the device is located on the lower right corner of the rear chassis panel
and is marked with a grounding sign, as shown in
Figure 4-6 Connect the grounding terminal of the PGND cable to the router
(1) Rear chassis panel
(3) Grounding sign
(5) OT terminal
Follow these steps to connect the PGND cable:
Step1 Remove the grounding screw from the rear panel.
Step2 Put the supplied OT terminal of the PGND cable on the grounding screw.
Step3 Fasten the grounding screw, which is attached with the OT terminal of the PGND cable, into the
grounding screw hole with a screwdriver.
Step4 Connect the other end of the PGND cable to the ground. Generally, the cabinets are installed in
equipment rooms that are equipped with a grounding bar.
If a grounding bar is available, you can connect the PGND cable of the router to the grounding

bar as follows: a) Use a cable stripper to strip off the insulation rubber about 15 mm (0.59 in.)
from the PGND cable. b) Wrap the naked part onto the grounding post of the grounding bar. c)
Fix the PGND cable onto the grounding post with a hex nut.
If no grounding bar is available, connect the naked part of the PGND cable to the ground

directly.
Figure 4-6.
(2) Grounding screw
(4) Grounding screw hole
(6) PGND cable