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MP3900X Series Router Installation Manual
Router Maintenance
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2020 Maipu, all rights reserved
6-1
6
Router Maintenance
6.1
Change Module
⚫
The MP3900X series router supports five types of board cards, SPU card, MIFC
card, fan card, RM3E card and RM2B card.
⚫
The MIFC card does not support hot swap.
6.1.1
Change Power Module
Preparations before changing
Step 1: Wear the anti-static wrist, and make sure the anti-static wrist is reliably grounded.
Step 2: Turn off the power switch of the AC power module to be removed (the switch is set to the
"off" state).
Step 3: Unplug the power cable from the AC power module.
⚫
When moving the power module, please hold the bottom of the module parts by
hand, and do not carry the module handle.
⚫
The power module supports hot swap and can be replaced during operation. Please
ensure safety.
⚫
Do not touch any terminal marked with live line or possibly live line to avoid the risk
of electric shock.