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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 。