维护MX960风扇托盘
目的
为获得最佳冷却，请确认风扇的情况。
行动
监控风扇的状态。一个风扇托盘包含多个风扇，这些风扇共同冷却路由器组件。如果一个风扇出现故障，主机子系统会调整剩余风扇的速度，以维护正常冷却。风扇出现故障时触发红色报警，卸下风扇托盘时触发黄色报警和红色报警。
要显示冷却系统的状态，请发出 show chassis environment 命令。输出类似以下内容：
user@host> show chassis environment Class Item Status Measurement Temp PEM 0 OK 40 degrees C / 104 degrees F PEM 1 Absent PEM 2 Absent PEM 3 OK 40 degrees C / 104 degrees F Routing Engine 0 OK 39 degrees C / 102 degrees F Routing Engine 1 OK 42 degrees C / 107 degrees F CB 0 Intake OK 26 degrees C / 78 degrees F CB 0 Exhaust A OK 27 degrees C / 80 degrees F CB 0 Exhaust B OK 27 degrees C / 80 degrees F CB 0 ACBC OK 26 degrees C / 78 degrees F CB 0 SF A OK 37 degrees C / 98 degrees F CB 0 SF B OK 35 degrees C / 95 degrees F CB 1 Intake OK 27 degrees C / 80 degrees F CB 1 Exhaust A OK 30 degrees C / 86 degrees F CB 1 Exhaust B OK 28 degrees C / 82 degrees F CB 1 ACBC OK 27 degrees C / 80 degrees F CB 1 SF A OK 36 degrees C / 96 degrees F CB 1 SF B OK 36 degrees C / 96 degrees F CB 2 Intake Absent CB 2 Exhaust A Absent CB 2 Exhaust B Absent CB 2 ACBC Absent CB 2 SF A Absent CB 2 SF B Absent FPC 2 Intake OK 22 degrees C / 71 degrees F FPC 2 Exhaust A OK 27 degrees C / 80 degrees F FPC 2 Exhaust B OK 33 degrees C / 91 degrees F FPC 2 I3 0 TSensor OK 33 degrees C / 91 degrees F FPC 2 I3 0 Chip OK 35 degrees C / 95 degrees F FPC 2 I3 1 TSensor OK 33 degrees C / 91 degrees F FPC 2 I3 1 Chip OK 33 degrees C / 91 degrees F FPC 2 I3 2 TSensor OK 33 degrees C / 91 degrees F FPC 2 I3 2 Chip OK 30 degrees C / 86 degrees F FPC 2 I3 3 TSensor OK 30 degrees C / 86 degrees F FPC 2 I3 3 Chip OK 30 degrees C / 86 degrees F FPC 2 IA 0 TSensor OK 33 degrees C / 91 degrees F FPC 2 IA 0 Chip OK 36 degrees C / 96 degrees F FPC 2 IA 1 TSensor OK 30 degrees C / 86 degrees F FPC 2 IA 1 Chip OK 35 degrees C / 95 degrees F FPC 4 Intake OK 22 degrees C / 71 degrees F FPC 4 Exhaust A OK 28 degrees C / 82 degrees F FPC 4 Exhaust B OK 31 degrees C / 87 degrees F FPC 4 I3 0 TSensor OK 31 degrees C / 87 degrees F FPC 4 I3 0 Chip OK 34 degrees C / 93 degrees F FPC 4 I3 1 TSensor OK 31 degrees C / 87 degrees F FPC 4 I3 1 Chip OK 33 degrees C / 91 degrees F FPC 4 I3 2 TSensor OK 31 degrees C / 87 degrees F FPC 4 I3 2 Chip OK 29 degrees C / 84 degrees F FPC 4 I3 3 TSensor OK 29 degrees C / 84 degrees F FPC 4 I3 3 Chip OK 29 degrees C / 84 degrees F FPC 4 IA 0 TSensor OK 35 degrees C / 95 degrees F FPC 4 IA 0 Chip OK 37 degrees C / 98 degrees F FPC 4 IA 1 TSensor OK 31 degrees C / 87 degrees F FPC 4 IA 1 Chip OK 35 degrees C / 95 degrees F FPC 7 Intake OK 20 degrees C / 68 degrees F FPC 7 Exhaust A OK 21 degrees C / 69 degrees F FPC 7 Exhaust B OK 21 degrees C / 69 degrees F FPC 7 I3 0 TSensor OK 31 degrees C / 87 degrees F FPC 7 I3 0 Chip OK 36 degrees C / 96 degrees F FPC 7 I3 1 TSensor OK 32 degrees C / 89 degrees F FPC 7 I3 1 Chip OK 35 degrees C / 95 degrees F FPC 7 I3 2 TSensor OK 32 degrees C / 89 degrees F FPC 7 I3 2 Chip OK 30 degrees C / 86 degrees F FPC 7 I3 3 TSensor OK 30 degrees C / 86 degrees F FPC 7 I3 3 Chip OK 31 degrees C / 87 degrees F FPC 7 IA 0 TSensor OK 34 degrees C / 93 degrees F FPC 7 IA 0 Chip OK 37 degrees C / 98 degrees F FPC 7 IA 1 TSensor OK 31 degrees C / 87 degrees F FPC 7 IA 1 Chip OK 35 degrees C / 95 degrees F Fans Top Fan Tray Temp OK 27 degrees C / 80 degrees F Top Tray Fan 1 OK Spinning at high speed Top Tray Fan 2 OK Spinning at high speed Top Tray Fan 3 OK Spinning at high speed Top Tray Fan 4 OK Spinning at high speed Top Tray Fan 5 OK Spinning at high speed Top Tray Fan 6 OK Spinning at high speed Bottom Fan Tray Temp OK 28 degrees C / 82 degrees F Bottom Tray Fan 1 OK Spinning at high speed Bottom Tray Fan 2 OK Spinning at high speed Bottom Tray Fan 3 OK Spinning at high speed Bottom Tray Fan 4 OK Spinning at high speed Bottom Tray Fan 5 OK Spinning at high speed Bottom Tray Fan 6 OK Spinning at high speed
注意：
风扇编号标记在每个风扇旁边的风扇托盘金属板中。