HP FlexNetwork 5120 SI Series Installation Manual page 16

WARNING!
 Connect the grounding cable to the grounding system in the equipment room. Do not connect it
to a fire main or lightning rod.
 The power interface and grounding terminals in this section are for illustration only.
The 5120 24G PoE+ (370W) SI switch comes with a ring terminal for connecting to a grounding strip.
For other switch models, you must prepare ring terminals yourself.
To connect the grounding cable, ,follow these steps:
1. Identify the grounding point (with a grounding sign) on the rear panel of the switch chassis, and
remove the grounding screw from the grounding point.
2. Attach the grounding screw to the ring terminal of the grounding cable.
3. Use a screwdriver to fasten the grounding screw into the grounding screw hole.
Figure 13 Connecting the grounding cable to the grounding hole of the switch chassis
6
(1) Grounding sign
(3) Ring terminal
(5) Grounding screw
4. Remove the hex nut of a grounding post on the grounding strip.
5. Cut the grounding cable as appropriate for connecting to the grounding strip.
6. Make the connector for connecting to the grounding strip:
If a ring terminal is available, peel 5 mm (0.20 in) of insulation sheath by using a wire

stripper, and insert the bare metal part through the black insulation covering into the end of
the ring terminal, secure the metal part of the cable to the ring terminal with a crimper, cover
the joint with the insulation covering, and heat the insulation covering with a blow dryer to
completely cover the metal part (see callout A in
If no ring terminal is available, peel the insulation sheath as appropriate by using a wire

stripper, and bend the bare metal part into a ring (see callout B in
terminal or the ring to the grounding strip through the grounding post, and fasten it with the
removed hex nut, see
1 2 3
4
5
Figure 15.
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(2) Grounding hole
(4) Grounding cable
Figure 14).
Figure 14).Attach the ring