Troubleshooting The Ptx5000 Power System; Troubleshooting The Ptx5000 Power Distribution Units - Juniper PTX5000 Hardware Manual
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Troubleshooting the PTX5000 Power System
Troubleshooting the PTX5000 Power Distribution Units
Problem
Solution
Copyright © 2017, Juniper Networks, Inc.
Laser receiver power
Laser bias current high alarm
Laser bias current low alarm
Laser bias current high warning
Laser bias current low warning
Laser output power high alarm
Laser output power low alarm
Laser output power high warning
Laser output power low warning
Laser temperature high alarm
Laser temperature low alarm
Laser temperature high warning
Laser temperature low warning
Laser receiver power high alarm
Laser receiver power low alarm
Laser receiver power high warning
Laser receiver power low warning
Tx loss of signal functionality alarm
Tx CDR loss of lock alarm
Rx loss of signal alarm
Rx CDR loss of lock alarm
APD supply fault alarm
TEC fault alarm
Wavelength unlocked alarm
Troubleshooting the PTX5000 Power Distribution Units on page 535
Troubleshooting the PTX5000 Power Supply Modules on page 542
Description:
The following alarms and LEDs indicate a problem with the power system during normal
operations:
Table 94 on page 539
lists alarms for the PDUs.
Table 95 on page 540
lists abnormal LED states for the PDUs.
Verify that the source customer-site circuit breaker has the proper current rating. See
1.
"PTX5000 DC Power Electrical Safety Guidelines" on page 615
Electrical Safety Guidelines" on page
Verify that the power feeds are properly distributed.
2.
All inputs on a DC PDU in slot
derived from feed A, and all inputs on a DC PDU in slot
dedicated power feeds derived from feed B. This configuration provides the
commonly deployed A/B feed redundancy for the system.
Chapter 37: Troubleshooting Components
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1.140 mW / 0.57 dBm
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Off
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Off
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Off
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Off
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Off
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Off
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Off
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Off
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Off
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Off
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Off
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Off
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Off
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Off
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Off
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Off
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Off
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Off
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Off
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Off
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Off
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Off
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Off
612.
must be powered by dedicated power feeds
PDU0
PDU1
or
"PTX5000 AC Power
must be powered by
535
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