38
Figure 36 Connecting the grounding cable
If there is no grounding point on the rack, you can attach the grounding cable to a grounding strip. The
installation procedures are similar.
Installing a power supply
The 12500 switches supports both AC and DC power supply. You can select either AC or DC power
supplies as needed. For how to connect power cords, see "Connecting power cords."
Installation preparation
CAUTION:
• Hold a power entry module (PEM) or power supply by the bottom when moving it. Never attempt to lif
a PEM or power supply with its handle because the handle is not desi
ned to support wei
ht. Doin
so
might result in bodily injury or damage to the module.
• When inserting or removing a power supply, verify that the switch is sturdy. To prevent bodily injury,
avoid tipping the switch chassis.
• When hot-plugging power supplies, make sure the insertion interval is no less than 30 seconds.
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