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    维护 MX2020 电源使用

    Purpose

    为实现最佳路由器性能,请确认 AC 或 DC 电源使用。

    Action

    定期:

    • 确保系统耗电总量和总容量不会超过分配的最大值。
      • 发出 show chassis power 命令以显示有关 AC 或 DC 电源系统的信息。

    此输出显示 2100 W 容量的 AC 机箱功率。

    user@host>show chassis power
    PSM 0:
      State:     Online
      AC input:  OK (INP0 feed expected, INP0 feed connected)
      Capacity:  2100 W (maximum 2100 W)
      DC output: 271.69 W (Lower Zone, 5.25 A at 51.75 V, 12.94% of capacity)
    
    PSM 1:
      State:     Online
      AC input:  OK (INP0 feed expected, INP0 feed connected)
      Capacity:  2100 W (maximum 2100 W)
      DC output: 247.00 W (Lower Zone, 4.75 A at 52.00 V, 11.76% of capacity)
    
    PSM 2:
      State:     Online
      AC input:  OK (INP0 feed expected, INP0 feed connected)
      Capacity:  2100 W (maximum 2100 W)
      DC output: 247.00 W (Lower Zone, 4.75 A at 52.00 V, 11.76% of capacity)
    
    PSM 3:
      State:     Online
      AC input:  OK (INP0 feed expected, INP0 feed connected)
      Capacity:  2100 W (maximum 2100 W)
      DC output: 260.00 W (Lower Zone, 5.00 A at 52.00 V, 12.38% of capacity)
    
    PSM 4:
      State:     Online
      AC input:  OK (INP0 feed expected, INP0 feed connected)
      Capacity:  2100 W (maximum 2100 W)
      DC output: 234.00 W (Lower Zone, 4.50 A at 52.00 V, 11.14% of capacity)
    
    PSM 5:
      State:     Online
      AC input:  OK (INP0 feed expected, INP0 feed connected)
      Capacity:  2100 W (maximum 2100 W)
      DC output: 247.00 W (Lower Zone, 4.75 A at 52.00 V, 11.76% of capacity)
    
    PSM 6:
      State:     Online
      AC input:  OK (INP0 feed expected, INP0 feed connected)
      Capacity:  2100 W (maximum 2100 W)
      DC output: 273.00 W (Lower Zone, 5.25 A at 52.00 V, 13.00% of capacity)
    
    PSM 7:
      State:     Online
      AC input:  OK (INP0 feed expected, INP0 feed connected)
      Capacity:  2100 W (maximum 2100 W)
      DC output: 221.00 W (Lower Zone, 4.25 A at 52.00 V, 10.52% of capacity)
    
    PSM 8:
      State:     Online
      AC input:  OK (INP0 feed expected, INP0 feed connected)
      Capacity:  2100 W (maximum 2100 W)
      DC output: 260.00 W (Lower Zone, 5.00 A at 52.00 V, 12.38% of capacity)
    
    PSM 9:
      State:     Online
      AC input:  OK (INP0 feed expected, INP0 feed connected)
      Capacity:  2100 W (maximum 2100 W)
      DC output: 284.62 W (Upper Zone, 5.50 A at 51.75 V, 13.55% of capacity)
    
    PSM 10:
      State:     Online
      AC input:  OK (INP0 feed expected, INP0 feed connected)
      Capacity:  2100 W (maximum 2100 W)
      DC output: 286.00 W (Upper Zone, 5.50 A at 52.00 V, 13.62% of capacity)
    
    PSM 11:
      State:     Online
      AC input:  OK (INP0 feed expected, INP0 feed connected)
      Capacity:  2100 W (maximum 2100 W)
      DC output: 273.00 W (Upper Zone, 5.25 A at 52.00 V, 13.00% of capacity)
    
    PSM 12:
      State:     Online
      AC input:  OK (INP0 feed expected, INP0 feed connected)
      Capacity:  2100 W (maximum 2100 W)
      DC output: 273.00 W (Upper Zone, 5.25 A at 52.00 V, 13.00% of capacity)
    
    PSM 13:
      State:     Online
      AC input:  OK (INP0 feed expected, INP0 feed connected)
      Capacity:  2100 W (maximum 2100 W)
      DC output: 286.00 W (Upper Zone, 5.50 A at 52.00 V, 13.62% of capacity)
    
    PSM 14:
      State:     Online
      AC input:  OK (INP0 feed expected, INP0 feed connected)
      Capacity:  2100 W (maximum 2100 W)
      DC output: 258.75 W (Upper Zone, 5.00 A at 51.75 V, 12.32% of capacity)
    
    PSM 15:
      State:     Online
      AC input:  OK (INP0 feed expected, INP0 feed connected)
      Capacity:  2100 W (maximum 2100 W)
      DC output: 260.00 W (Upper Zone, 5.00 A at 52.00 V, 12.38% of capacity)
    
    PSM 16:
      State:     Online
      AC input:  OK (INP0 feed expected, INP0 feed connected)
      Capacity:  2100 W (maximum 2100 W)
      DC output: 273.00 W (Upper Zone, 5.25 A at 52.00 V, 13.00% of capacity)
    
    PSM 17:
      State:     Online
      AC input:  OK (INP0 feed expected, INP0 feed connected)
      Capacity:  2100 W (maximum 2100 W)
      DC output: 271.69 W (Upper Zone, 5.25 A at 51.75 V, 12.94% of capacity)
    
    System:
      Upper Zone:
          Capacity:          18900 W (maximum 18900 W)
          Allocated power:   7360 W (11540 W remaining)
          Actual usage:      2466.06 W
      Lower Zone:
          Capacity:          18900 W (maximum 18900 W)
          Allocated power:   7360 W (11540 W remaining)
          Actual usage:      2260.69 W
      Total system capacity: 37800 W (maximum 37800 W)
      Total remaining power: 23080 W
    

    此输出显示 2100 W 容量的 DC 机箱功率。

    Note: DC PSM 的容量受 PDM 上 60A/80A 开关指示的供电电源限制。

    user@host> show chassis power
    PSM 0:
      State:     Empty
      Input:     Absent
    
    PSM 1:
      State:     Empty
      Input:     Absent
    
    PSM 2:
      State:     Empty
      Input:     Absent
    
    PSM 3:
      State:     Empty
      Input:     Absent
    
    PSM 4:
      State:     Empty
      Input:     Absent
    
    PSM 5:
      State:     Online
      DC input:  OK (INP1 feed expected, INP1 feed connected)
      Capacity:  2100 W (maximum 2500 W)
      DC output: 345.94 W (Lower Zone, 6.75 A at 51.25 V, 16.47% of capacity)
    
    PSM 6:
      State:     Online
      DC input:  OK (INP1 feed expected, INP1 feed connected)
      Capacity:  2100 W (maximum 2500 W)
      DC output: 333.12 W (Lower Zone, 6.50 A at 51.25 V, 15.86% of capacity)
    
    PSM 7:
      State:     Online
      DC input:  OK (INP1 feed expected, INP1 feed connected)
      Capacity:  2100 W (maximum 2500 W)
      DC output: 333.12 W (Lower Zone, 6.50 A at 51.25 V, 15.86% of capacity)
    
    PSM 8:
      State:     Online
      DC input:  OK (INP1 feed expected, INP1 feed connected)
      Capacity:  2100 W (maximum 2500 W)
      DC output: 333.12 W (Lower Zone, 6.50 A at 51.25 V, 15.86% of capacity)
    
    PSM 9:
      State:     Empty
      Input:     Absent
    
    PSM 10:
      State:     Empty
      Input:     Absent
    
    PSM 11:
      State:     Empty
      Input:     Absent
    
    PSM 12:
      State:     Empty
      Input:     Absent
    
    PSM 13:
      State:     Online
      DC input:  OK (INP1 feed expected, INP1 feed connected)
      Capacity:  2100 W (maximum 2500 W)
      DC output: 269.06 W (Upper Zone, 5.25 A at 51.25 V, 12.81% of capacity)
    
    PSM 14:
      State:     Online
      DC input:  OK (INP1 feed expected, INP1 feed connected)
      Capacity:  2100 W (maximum 2500 W)
      DC output: 281.88 W (Upper Zone, 5.50 A at 51.25 V, 13.42% of capacity)
    
    PSM 15:
      State:     Online
      DC input:  OK (INP1 feed expected, INP1 feed connected)
      Capacity:  2100 W (maximum 2500 W)
      DC output: 269.06 W (Upper Zone, 5.25 A at 51.25 V, 12.81% of capacity)
    
    PSM 16:
      State:     Online
      DC input:  OK (INP1 feed expected, INP1 feed connected)
      Capacity:  2100 W (maximum 2500 W)
      DC output: 269.06 W (Upper Zone, 5.25 A at 51.25 V, 12.81% of capacity)
    
    PSM 17:
      State:     Online
      DC input:  OK (INP1 feed expected, INP1 feed connected)
      Capacity:  2100 W (maximum 2500 W)
      DC output: 281.88 W (Upper Zone, 5.50 A at 51.25 V, 13.42% of capacity)
    
    System:
      Upper Zone:
          Capacity:          10500 W (maximum 12500 W)
          Allocated power:   7760 W (2740 W remaining)
          Actual usage:      1370.94 W
      Lower Zone:
          Capacity:          8400 W (maximum 10000 W)
          Allocated power:   7760 W (640 W remaining)
          Actual usage:      1345.31 W
      Total system capacity: 18900 W (maximum 22500 W)
      Total remaining power: 3380 W
    

    有关这些命令的输出的更详细说明,请参阅 Junos OS 系统基础知识和服务命令参考 PDF Document

    Published: 2014-05-09