Trouble Shooting 3o3f4i

Security Level:

2013/9/23

MicroWave trouble shooting - simple guide www.huawei.com

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MicroWave Troubleshooting procedure Step 1: Observe the led lights’ state of SCC&PXC board, If

Then

The lights work normally

Go to step 2

The lights are all dead

Check the power supply of the site

The power of the site is abnormal

the site engineer and resume the power supply.

The power of the site is normal

Replace the PXC board ,if not resume ,replace the SCC board.

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MicroWave Troubleshooting procedure Step 2: Check the NE current alarms, especially for the following alarms orderly: 

Volt _los



RADIO_TSL_HIGH/LOW



HARD_BAD



IF_CABLE_OPEN



BD_STATUS

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1. VOLT_LOS step1

Step2 Check the power switch of the ODU.

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1. VOLT_LOS 

Step 3 Check the IF fiber jumper, IF cable, or ODU section by

section for a short circuit.

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2. Radio_tsl_low or high 

Step1 The ODU which reports this kind alarm is faulty ,replace

the ODU .

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3. Hard_Bad 



Step 1 Remove and insert the alarmed board.

Step 2 Replace the board that reports the alarm, and then check whether the alarm clears.

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4. IF_CABLE_OPEN 



Step 1 Check whether the connector of the IF cable is loose or whether the connector is not made properly.

Step 2 Check whether the surface of the IF jumper and the IF

cable is damaged, and test the connectivity between the IF jumper and the IF cable.

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4. IF_CABLE_OPEN 

Step 3 Replace the IF board that reports the alarm. If the alarm

does not disappear, replace the ODU connecting to the board reports the alarm.

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5. BD_STATUS 

Step 1 Check whether the logical slot and the physical slot of the

alarmed board are consistent.



Step 2 Remove and insert the alarmed board.

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5. BD_STATUS 

Step 3 Replace the alarmed board.



Step 4 The slot is faulty. (1) If an idle slot is available, insert the board in the idle slot and

add the board again. Then, the board can work normally. (2) Huawei engineers to handle the faulty slot.

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Thank you www.huawei.com