Juniper PTX10003-160C, Руководство по оборудованию, Страница: 134 / 225

CAUTION: The AC/HVDC power supply you are installing must use the same airflow
direction as the fan trays installed in the router. Labels on the power supply handle
indicate the direction of airflow. See “PTX10003 Cooling System Description and Airflow”
on page 46 .
CAUTION: Before you replace a power supply in a PTX10003, ensure that you have
taken the necessary precautions to prevent electrostatic discharge (ESD) damage (see
“Prevention of Electrostatic Discharge Damage” on page 205 ).
Here’s the parts and tools you’ll need to replace a power supply:
•
ESD grounding strap (provided)
•
Antistatic bag or an antistatic mat (not provided)
•
(For a DC power supply) Phillips (+) screwdriver, number 2 (not provided)
1.
Remove the AC/HVDC Power Supply from the PTX10003 | 135
2.
Install the AC/HVDC Power Supply in the PTX10003 | 137
Remove the AC/HVDC Power Supply from the PTX10003
1. Place the antistatic bag or the antistatic mat on a flat, stable surface.
2. Wrap and fasten one end of the ESD wrist strap around your bare wrist, and connect the other end of
the strap to the ESD point on the device.
3. Disconnect power to the PTX10003 power supply you are going to replace. If the AC input power
source outlet has a power switch, set it to the off (O) position. If the AC input power source outlet does
not have a power switch, gently pull out the male end of the power cord connected to the power source
outlet.
4. Remove the power cord from the power supply by pressing in the locking button on the side of the
power connector and gently pulling the connector out of the power supply faceplate. Refer to
Figure 52 on page 136 .
135