3Com 4510G manual Connecting the Power Cords, Connecting the AC Power Cord

Figure 3-8Ground through an AC power PE wire

(1) Three-wire AC power input cable

(2) Switch rear panel

Use the PGND cable provided with the switch to connect the grounding strip in the equipment room. Otherwise, the grounding effect may not be ensured, which easily causes damage to the switch.

Connecting the Power Cords

Make sure that the ground wire has been properly connected before powering on the switch.

Table 3-1Power cord connection methods of the Switch 4510G

Switch module	Power supply mode	Connection method
Switch 4510G 24-Port	AC power supply	Connecting the AC Power Cord
Switch 4510G 48-Port	RPS power supply	Connecting the RPS Power Cord

Connecting the AC Power Cord

Step1 Wear an ESD-preventive wrist strap, ensure a good skin contact and make sure that the ESD-preventive wrist strap is properly grounded.

Step2 Install the bail latch to prevent the AC power cord from accidentally falling off. Fix the bail latch into the holes located at the two sides of the AC power receptacle. Then pull the bail latch upwards (see in Figure 3-9 or Figure 3-11).

Step3 Connect one end of the AC power cord to the AC receptacle on the switch (see callout 1 in Figure 3-10 or Figure 3-12).

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