Juniper Networks T1600 Benutzerhandbuch
Figure 13: Three-Input 240-A Power Supply
Installing a Three-Input 240-A Power Supply
Each three-input 240-A power supply weighs approximately 25 lb (11.3 kg). To install
a three-input 240-A power supply, follow this procedure:
a three-input 240-A power supply, follow this procedure:
1.
Make sure that the voltage across the DC power source cable leads is 0 V and
that there is no chance that the cables might become active during installation.
that there is no chance that the cables might become active during installation.
2.
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist and
connect the strap to one of the ESD points on the chassis. See “Preventing
Electrostatic Discharge Damage” on page 47.
connect the strap to one of the ESD points on the chassis. See “Preventing
Electrostatic Discharge Damage” on page 47.
3.
Switch the circuit breakers on the power supply faceplate to the
OFF
position (
O
).
4.
Using both hands, slide the power supply into the chassis until you feel resistance
(see Figure 14 on page 23).
(see Figure 14 on page 23).
5.
Twist the ejector handles at the upper corners of the power supply faceplate
clockwise until they stop.
clockwise until they stop.
6.
Tighten the captive screws at the lower corners of the power supply faceplate
to secure the power supply in the chassis.
to secure the power supply in the chassis.
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Upgrading the DC Power Supplies
T1600 Routing Node Upgrade Guide