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1+1 HSB-FD-SD Commissioning

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

The IF connection cable is faulty.

MW_LOF

R_LOS

R_LOF

R_LOC

CONFIG_NOSUPPORT

IF_INPWR_ABN

RADIO_RSL_HIGH

RADIO_TSL_LOW

RADIO_TSL_HIGH

VOLT_LOS（IF Board）POWER_FAIL

The hardware of the ODU is faulty.

At the same priority.

The hardware of the IF board is faulty.

DescriptionSwitching Conditions

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Basic Knowledge• Trigger Conditions of the automatic HSM switching

MW_BER_SD（IDU 605 2B/2F）B2_SD (IDU 620 SDH ) Low

B1_SD (IDU 620 PDH)

MediumMW_FECUNCOR

MW_LOF

R_LOS

R_LOFHigh

R_LOC

DescriptionSwitching Conditions

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Basic Knowledge

Application

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

with equal attenuation in both channels

Symmetrical Hybrid Coupler (3dB)

Main ODU port insertion loss, dB max:1.8 (38G: 2.0);Standby ODU port insertion loss, dB max: 7.2 (38G:7.4)

with one main channel and one standby channel.

Asymmetrical Hybrid Coupler(6dB)

Receive PowerDescriptionCoupler Type

• 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

√√

102

2SD

＿1/01Quantity of Hybrid Coupler

＿1/21Quantity of Antenna

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

22Quantity of ODU

—√√HSB Support

HSB/SD: Only configure main IF parameters.FD: Configure main and standby IF parameters respectively.

21Quantity of Frequency Channel

—√×HSM Support

NotesFDHSBItem

• 1+1 HSB/FD/SD Compare

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

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

Turn off Standby IF ODU-PWR

SwitchAlign Antenna

Turn on Standby IF ODU-PWR

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

Turn off Standby IF ODU-PWR

Switch

Align main Antenna

Turn on Standby IF ODU-PWR

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 CommissioningTurn 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 CommissioningTurn on local site standby ODU's power, keep opposite site main antenna fixed, align local standby antenna towards opposite main one.

√: ODU Power on.X: ODU Power off.

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1+1 SD CommissioningTurn on opposite standby ODU's power, keep local main antenna fixed, align opposite standby antenna towards local main one.

√: ODU Power on.X: ODU Power off.

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