1+1_HSB-SD-FD_Commissioning-20090518-B

HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential

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www.huawei.com

1+1 HSB-FD-SD Commissioning

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CONTENT

• Basic Knowledge

• 1+1 HSB

• 1+1 FD

• 1+1 SD


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Basic Knowledge• 1+1 Configuration

For RTN 620, the paired slots (slot5 and slot7) consist a 1+1 protection group; the

paired slots (slot6 and slot8) consist another 1+1 protection group.

Slot 5 and slot 6 is main slot respectively.

For 1+1 HSB and SD application, It is only necessary to configure main IF board

parameters.

For 1+1 FD application, It is necessary to configure main parameters and standby

parameters respectively.





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Basic Knowledge• Trigger Conditions of the automatic HSB switching

Switching Conditions Description

The hardware of the IF board is faulty.

At the same priority.

The hardware of the ODU is faulty.

POWER_FAIL

VOLT_LOS （ IF Board）RADIO_TSL_HIGH

RADIO_TSL_LOW

RADIO_RSL_HIGH

IF_INPWR_ABN

CONFIG_NOSUPPORT

R_LOC

R_LOF

R_LOS

MW_LOF

The IF connection cable is faulty.





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Basic Knowledge• Trigger Conditions of the automatic HSM switching

Switching Conditions Description

R_LOC

HighR_LOF

R_LOS

MW_LOF

MW_FECUNCOR Medium

B1_SD (IDU 620 PDH)

LowB2_SD (IDU 620 SDH )

MW_BER_SD （ IDU 605 2B/2F）





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Basic Knowledge

Coupler Type Description Application Receive Power

Asymmetrical Hybrid Coupler(6dB)

with one main channel and one standby channel.

Main ODU port insertion loss, dB max:1.8 (38G: 2.0);

Standby ODU port insertion loss, dB max: 7.2 (38G:7.4)

Symmetrical Hybrid Coupler (3dB)

with equal attenuation in both channels

ODU port insertion loss, db max:3.8 (38G:4.0).

• Hybrid Coupler with Waveguide Interface





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Basic Knowledge• Trigger Conditions and Antenna Aligning

Alarms R_LOF,R_LOS,MW_LOF are the microwave link alarm.

While aligning antennas, the microwave link is not stable, will create these alarms.

In order to finish antennas aligning quickly, for 1+1 application, we suggest turn off

the standby IF ODU-PWR switch at first, after antenna aligning finishing, turn on

the standby IF ODU-PWR.





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Basic Knowledge

Item HSB FD SD Notes

Quantity of ODU 2 2 2 HSB/SD: main ODU type is same as standby.

Quantity of Antenna 1 1/2 2 ＿

Quantity of Hybrid Coupler 1 1/0 0 ＿

Quantity of Frequency Channel 1 2 1 HSB/SD: Only configure main IF parameters.

FD: Configure main and standby IF parameters respectively.

HSB Support √ √ √ —

HSM Support × √ √ —

• 1+1 HSB/FD/SD Compare

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CONTENT

• Basic Knowledge

• 1+1 HSB

• 1+1 FD

• 1+1 SD





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1+1 HSB Commissioning• 1+1 HSB Commissioning Steps

Link 1+1 Configure

ParametersConfigure

Turn off Standby IF ODU-PWR

SwitchAlign Antenna

Turn on Standby IF ODU-PWR

Switch

1+1 Switch State and Test





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1+1 HSB Commissioning• Link 1+1 Configure

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1+1 HSB Commissioning• Link 1+1 Configure





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1+1 HSB Commissioning• IP Parameters Configure

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For 1+1 HSB, only configure main IF board parameters.





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1+1 HSB Commissioning• Query 1+1 HSB Switch State

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Switch State





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1+1 HSB Commissioning• 1+1 Switch Control

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Right Click

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CONTENT

• Basic Knowledge

• 1+1 HSB

• 1+1 FD

• 1+1 SD





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1+1 FD Commissioning

Link 1+1 Configure

ParametersConfigure


SwitchAlign Antenna


Switch

1+1 Switch State and Test

• 1+1 FD Commissioning Steps





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1+1 FD Commissioning• Link 1+1 Configure





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1+1 FD Commissioning• IF Parameters Configure

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1+1 FD Commissioning• IF Parameters Configure

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CONTENT

• Basic Knowledge

• 1+1 HSB

• 1+1 FD

• 1+1 SD





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1+1 SD Commissioning• 1+1 SD Commissioning Steps

Link 1+1 Configure

IF ParametersConfigure


Switch

Align main Antenna


Switch

Align Standby Antenna





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1+1 SD Commissioning• 1+1 Link Configure





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1+1 SD Commissioning• Parameters Configure

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For 1+1 SD, only configure main IF board parameters.





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1+1 SD Commissioning Turn off two side standby ODU's power, turn on two main ODU's power, firstly, align

two main antennas.

√: ODU Power on.X: ODU Power off.





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1+1 SD Commissioning Turn on local site standby ODU's power, keep opposite site main antenna fixed,

align local standby antenna towards opposite main one.






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1+1 SD Commissioning Turn on opposite standby ODU's power, keep local main antenna fixed, align

opposite standby antenna towards local main one.


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1+1_HSB-SD-FD_Commissioning-20090518-B

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