Connect Power To A Single-Phase Seven-Feed Ac Power Distribution; Module - Juniper MX2020 Hardware Manual

MX2020 3D Universal Edge Router Hardware Guide
Connect Power to a Single-Phase Seven-Feed AC Power Distribution Module
Connect Power to a Single-Phase Seven-Feed AC Power Distribution Module
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MX2020 DC Power Electrical Safety Guidelines on page 585
CAUTION: Do not mix AC and DC power modules within the same router.
To connect an AC power cord to an seven-feed single-phase AC PDM:
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
1.
the strap to an approved site ESD grounding point. See the instructions for your site.
Switch off the dedicated customer site circuit breakers. Ensure that the voltage across
2.
the AC power source cable leads is 0 V and that there is no chance that the cable
leads might become active during installation.
Detach the ESD grounding strap from the approved site ESD grounding point, and
3.
connect the strap to one of the ESD points on the chassis.
Switch off ( ) the AC PSMs and disengage all AC PSMs.
4. O
Move the safety retention bar downwards and tight the captive retention screws.
5.
Connect the powers cords to the AC PDM.
6.
Verify that the power cords are not touching or blocking access to router components,
7.
and that it does not drape where people could trip on it.
WARNING: Do not touch the power connectors on the PDM. They can contain
dangerous voltages.
CAUTION: Do not mix AC and DC power modules within the same router.
To connect an AC power cord to an AC power source:
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
1.
the strap to an approved site ESD grounding point. See the instructions for your site.
Switch off the dedicated customer site circuit breakers. Ensure that the voltage across
2.
the AC power source cable leads is 0 V and that there is no chance that the cable
leads might become active during installation.
Detach the ESD grounding strap from the approved site ESD grounding point, and
3.
connect the strap to one of the ESD points on the chassis.
Switch off ( ) the AC PSMs and disengage all AC PSMs.
O
4.
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