53-1003990-22 Installation Guide
Brocade
®
G620 Switch Hardware Installation Guide
CAUTION
DC return must be isolated from the chassis ground (DC-I) when connections to the power supply are made.
CAUTION
For a DC system, use a grounding wire of at least 16 American Wire Gauge (AWG). The grounding wire
should be attached to the DC input connector; the other end connects to the building ground.
Removing a Power Supply and Fan Assembly
Perform the following steps to remove a faulty power supply and fan assembly:
1. To leave the device in service while removing a power supply and fan assembly, verify that the other power supply
and fan assembly (the one not being removed) has been powered on for at least four seconds and has a steady green
LED.
Figure 39: AC Power Supply and Fan Assembly
1. Power Supply and Fan Assembly Handle
2. Captive Screw
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