Extreme Networks 12802, 12804 manual Pre-Installation Requirements

Extreme Networks 325 W DC Power Supply

Pre-Installation Requirements

WARNING!

Extreme Networks 325 W DC PSUs do not have switches for turning the unit on and off. Make sure that the DC circuit is de-energized before connecting or disconnecting the DC power cord and socket on the Extreme Networks 325 W DC PSU.

Wiring the 325 W DC PSU DC power cord to your facility DC source voltage must be performed by a qualified, licensed electrician.

Do not put your hand into an open power supply bay when a power supply is not present. Empty power supply bays require a cover plate at all times.

You need the following tools and equipment before installing or removing an Extreme Networks 325 W DC PSU:

●ESD-preventive wrist strap

●#2 Phillips screwdriver

●DC power supply cord, Model # 65052 (shipped separately from the PSU)

●Thermal protective gloves (required for removal)

Installing the DC Wiring

NOTE

All wiring methods involving the DC input cable assembly must be performed according to the relevant articles of the National Electrical Code.

The Extreme Networks 325 W DC PSU requires input DC cable Model # 65025 (see Figure 51). This cable is shipped separately from the power supply unit. You must use this cable with the Extreme Networks 325 W DC PSU.

Figure 51: Input DC Cable for the Extreme Networks 325 W DC PSU

41

Brown

(RTN)

Blue

(–48V)

Green/ yellow

6	3	10 ft.	(Ground)
			DC_PSU_05

Each Extreme Networks 325 W DC PSU must be powered by a 15 A dedicated power source that delivers -40 to -72 VDC constant power to each 325 W DC PSU. Power distribution to the 325 W DC PSU shall be provided using the Model # 65025 -48 V DC cable. Power to the 325 W DC PSU can be from either a 15 A UL-approved overcurrent protection breaker or an SELV-approved power source in accordance with IEC 60950-1 utilizing 15 A overcurrent protection.

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