Dell Force10 S55T Installing the S55 System - Page 28

WARNING, CAUTION, DC Power Supply

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www.dell.com | support.dell.com NOTE: For a NEBS compliant installation, the AC power connections must use a surge protection device (SPD) to protect the AC power supplies from damage to excessive power line surges. NOTE: To comply with the GR-1089 Lightning Criteria for Equipment Interfacing with AC Power Ports, an external surge protection device (SPD) is intended to be used at the AC input of the router. WARNING: Prevent exposure and contact with hazardous voltages. Do not attempt to operate this system with the safety cover removed. CAUTION: The DC power supply comes with a 6-8inch cord with a snap-in plug that attaches to the DC power supply and screw terminals that attach to the main power. Dell Force10 recommends using a longer cable, to ensure sufficient room. CAUTION: Note is that the power supply is marked + 48V - . Connect the + (plus sign) to the red cable on the 6-8 inch cord; the - (minus sign) connects to the black cable. BE SURE TO to connect the RED to RETURN and connect the BLACK to -48V. Power Supply 0 (PSU0) is on the left; Power Supply 1(PSU1) is on the right. Figure 5-1. DC Power Supply Fan Module PSU0 Optional Module Figure 5-2. AC Power Supply Cable Connector PSU1 Fan Module Grab Handle PSU0 Optional Module Cable Connector PSU1 Grab Handle To install a new power supply, follow the steps below: The power supply modules should slide into the slots smoothly. Do not force a module into a slot. This may damage the power supply or the S55 chassis. Step Task 1 Take the power supply unit out of the shipping box. 28 | Power Supplies

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Power Supplies
www.dell.com | support.dell.com
NOTE:
For a NEBS compliant installation, the AC power connections must use a surge protection device
(SPD) to protect the AC power supplies from damage to excessive power line surges.
NOTE:
To comply with the GR-1089 Lightning Criteria for Equipment Interfacing with AC Power Ports, an
external surge protection device (SPD) is intended to be used at the AC input of the router.
WARNING:
Prevent exposure and contact with hazardous voltages. Do not attempt to operate this system
with the safety cover removed.
CAUTION:
The DC power supply comes with a 6-8inch cord with a snap-in plug that attaches to the DC
power supply and screw terminals that attach to the main power. Dell Force10 recommends using a longer
cable, to ensure sufficient room.
CAUTION:
Note is that the power supply is marked
+ 48V -
. Connect the
+
(plus sign) to the red cable on the
6-8 inch cord; the
-
(minus sign) connects to the black cable. BE SURE TO to connect the RED to RETURN
and connect the BLACK to -48V.
Power Supply 0 (PSU0) is on the left; Power Supply 1(PSU1) is on the right.
Figure 5-1.
DC Power Supply
Figure 5-2.
AC Power Supply
To install a new power supply, follow the steps below:
The power supply modules should slide into the slots smoothly. Do not force a module into a slot. This
may damage the power supply or the S55 chassis.
Step
Task
1
Take the power supply unit out of the shipping box.
Grab Handle
PSU0
PSU1
Fan Module
Optional Module
Cable
Connector
Grab Handle
PSU0
PSU1
Fan Module
Optional Module
Cable
Connector