Figure 22: Fan Controller JNP10008-FTC2
g100661
The system continually monitors the temperature of critical parts across the chassis and adjusts the chassis
fan speed according to the temperature.
Software controls the fan speed. Under normal operating conditions, the fans in the fan tray run at less
than full speed.If one fan tray controller fails or appears missing (such as when an SFB is being replaced)
the other fan tray controller sets the fans to full speed. This allows the router to continue to operate
normally as long as the remaining fans cool the chassis sufficiently. Use the show chassis fan command
to see the status of individual fans and fan speed. Here is an example of output from JNP10008-FAN and
JNP10008-FAN-CTRL:
user@host> show chassis fan
Item Status RPM Measurement
Fan Tray 0 Fan 0 OK 9750 Spinning at normal speed
Fan Tray 0 Fan 1 OK 9600 Spinning at normal speed
Fan Tray 0 Fan 2 OK 9750 Spinning at normal speed
Fan Tray 0 Fan 3 OK 9750 Spinning at normal speed
Fan Tray 0 Fan 4 OK 9600 Spinning at normal speed
Fan Tray 0 Fan 5 OK 9750 Spinning at normal speed
Fan Tray 0 Fan 6 OK 9750 Spinning at normal speed
Fan Tray 0 Fan 7 OK 9600 Spinning at normal speed
Fan Tray 0 Fan 8 OK 9600 Spinning at normal speed
Fan Tray 0 Fan 9 OK 9750 Spinning at normal speed
Fan Tray 0 Fan 10 OK 9750 Spinning at normal speed
Fan Tray 1 Fan 0 OK 9750 Spinning at normal speed
Fan Tray 1 Fan 1 OK 9600 Spinning at normal speed
Fan Tray 1 Fan 2 OK 9600 Spinning at normal speed
Fan Tray 1 Fan 3 OK 9750 Spinning at normal speed
Fan Tray 1 Fan 4 OK 9750 Spinning at normal speed
Fan Tray 1 Fan 5 OK 9750 Spinning at normal speed
Fan Tray 1 Fan 6 OK 9750 Spinning at normal speed
Fan Tray 1 Fan 7 OK 9750 Spinning at normal speed
Fan Tray 1 Fan 8 OK 9600 Spinning at normal speed
Fan Tray 1 Fan 9 OK 9750 Spinning at normal speed
Fan Tray 1 Fan 10 OK 9450 Spinning at normal speed
49
Summary of Contents for MX10008
Page 1: ...MX10008 Universal Routing Platform Hardware Guide Published 2019 11 11 ...
Page 19: ......
Page 89: ......
Page 129: ......
Page 170: ......
Page 278: ...5 CHAPTER Troubleshooting Hardware Restoring Junos OS 283 Alarm Messages 287 ...
Page 279: ......
Page 287: ......
Page 318: ...Restricted Access Warning 321 ...
Page 333: ...Jewelry Removal Warning 336 ...
Page 336: ...Operating Temperature Warning 339 ...
Page 345: ...DC Power Disconnection Warning 348 ...
Page 349: ...DC Power Wiring Sequence Warning 352 ...
Page 352: ...DC Power Wiring Terminations Warning 355 ...
Page 361: ...Translation The emitted sound pressure is below 92 dB A per GR63 CORE 364 ...