Extreme Networks BlackDiamond 12804 - Manual (Page 89)

Extreme Networks 325 W DC Power Supply
BlackDiamond 12800 Series Switches Hardware Installation Guide 89
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
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.
DC_PSU_05
Brown
Green/
yellow
Blue
10 ft.
3 6
1 4
(RTN)
(–48V)
(Ground)