Extreme networks 12800 Series Manuale Utente
Installing Power Supply Units
BlackDiamond 12800 Series Switches Hardware Installation Guide
94
NOTE
Leave the ESD strap permanently connected to the switch, so that the strap is always available when you need to
handle ESD-sensitive components.
handle ESD-sensitive components.
LEDs
The front panel of the Extreme Networks 325 W DC PSU provides status LEDs.
describes the
meanings of these LEDs.
Table 20: Extreme Networks 325 W DC PSU LEDs
CAUTION
Make sure that the 325 W DC PSU circuit is not overloaded. Use proper over-current protection, such as a
circuit-breaker, to prevent over-current conditions.
circuit-breaker, to prevent over-current conditions.
Extreme Networks 325 W AC Power Supply
This section describes how to install the Extreme Networks
325 W AC UL-listed accessory power supply
unit, Model # 65021, in the BlackDiamond 12802 switch.
NOTE
The Extreme Networks 325 W AC PSU cannot be used in combination with any other Extreme Networks PSU.
Pre-Installation Requirements
WARNING!
Extreme Networks 325 W AC PSUs do not have switches for turning the unit on and off. Remove the wall plug from
the electrical outlet to disconnect the power to an Extreme Networks 325 W AC PSU. Make sure that this
connection is easily accessible.
the electrical outlet to disconnect the power to an Extreme Networks 325 W AC PSU. Make sure that this
connection is easily accessible.
Do not connect the power supply to an electrical outlet when the power supply is outside of the chassis; doing so
would expose a hazardous energy and poses a potential shock and fire hazard.
would expose a hazardous energy and poses a potential shock and fire hazard.
PSU Condition
DC In
LED Status
LED Status
DC Out
LED Status
LED Status
No DC input power
Off
Off
No DC input power (receiving standby power from the chassis)
Amber
Off
DC input good (main outputs disabled)
Green
Off
DC input good, output fault
Green
Amber
DC input good, DC output good
Green
Green