Installing Power Supply Units in the BlackDiamond 8800 Series Switches
BlackDiamond 8800 Series Switches Hardware Installation Guide
104
Installing an Extreme Networks 1200 W DC PSU
This section describes how to install the 1200 W DC PSU in a BlackDiamond 8806 or 8810 switch.
WARNING!
Field operators must not attempt to open the 1200 W DC PSU enclosure for any reason; the PSU does not contain
user-serviceable parts. In the event of failure, return the defective 1200 W DC PSU to Extreme Networks for repair
or replacement.
Required Tools and Equipment
You need the following tools and equipment to install or remove a 1200 W DC PSU:
●
ESD-preventive wrist strap
●
Input DC power cable (provided with the DC PSU)
●
-48 V DC power source capable of providing 50 A dedicated power to each 1200 W DC PSU installed
in the switch
●
Thermal protective gloves (required for removal)
Installing the DC Wiring
The input DC cable for the 1200 W DC PSU is shipped with the DC PSU (see
Figure 62
). You
must
use
this cable with the DC PSU. This section provides information about DC power specifications to be used
in connecting the DC cable to the DC source voltage.
Wiring the DC power cord to your facility DC source voltage must be performed by a qualified,
licensed electrician. After the DC power cord is connected to a permanent DC voltage source by a
qualified, licensed electrician, you can remove, replace, and maintain the 1200 W DC PSU without
further electrician assistance. However, make sure that the DC circuit is de-energized before connecting
or disconnecting the DC power cord on PSU.
All wiring methods involving the DC input cable assembly must be performed according to the relevant
articles of the National Electrical Code.
Figure 62: Input DC Power Cable for the 1200 W DC PSU
Each 1200 W DC PSU must be powered by a 50 A dedicated power source that delivers -40 to -72 VDC
of constant power. Power distribution to the 1200 W DC PSU shall be provided using the -48 VDC
harness provided. Power to the 1200 W DC PSU can be from either a 50 A UL-approved overcurrent
EX_135
Return
Black: Return
Green/yellow:
Ground
Blue: -48V
Lock
Ground
10 ft.
-48Vdc
Содержание BlackDiamond 8806
Страница 8: ...Contents BlackDiamond 8800 Series Switches Hardware Installation Guide 8...
Страница 11: ...1 About the BlackDiamond 8800 Series Switches...
Страница 12: ......
Страница 63: ...2 Installing BlackDiamond 8800 Series Hardware...
Страница 64: ......
Страница 125: ...3 Installing BlackDiamond Switch Accessories...
Страница 126: ......
Страница 149: ...BlackDiamond 8800 Series Switches Hardware Installation Guide 149 4 BlackDiamond Maintenance Procedures...
Страница 150: ...BlackDiamond 8800 Series Switches Hardware Installation Guide 150...
Страница 158: ...Replacing BlackDiamond 8800 Series Chassis Components BlackDiamond 8800 Series Switches Hardware Installation Guide 158...
Страница 167: ...5 Appendices...
Страница 168: ......
Страница 192: ...Technical Specifications BlackDiamond 8800 Series Switches Hardware Installation Guide 192...
Страница 200: ...Index BlackDiamond 8800 Series Switches Hardware Installation Guide 200...