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Installation Manual
1. Router Introduction
14
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QSR-M-3920-FAN Fan Module
QSR-M-3920-FAN fan module is a required module of QSR-3920-08, which supports hot-swap.
Each QSR-3920-08 has one fan slot, which should be installed with one fan module QSR-M-3920-
FAN to ensure the normal operation of the system. The schematic of the fan module is as follows.
Figure 1-9 QSR-M-3920-FAN module
1. Handle
2. Fan indicator
3.Installation screw of fan card
4.Fan blade
5.Circuit board component area