document on flexipacket radio commissioning

8/15/2019 Document on FlexiPacket Radio Commissioning

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FlexiPacket Radio Commissioning

FT4282BEN02GLA1

© 2010 Nokia Siemens Networks2


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3

1 Commissioning


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1.1 Test instrument list and measurementaccessories

Here below there is the list about instruments accessories and tools necessary forcommissioning:

Fig. 1 Test Instruments

Fig. 2 Accessories

Fig. 3 Tools


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1.2 Typical test bench overview

Case 1: (1+0) P+E solution (only 1 cable)

PowerInjector

PSU

PowerInjector

PSU

LCT

LCT

Terminal Station “A” Terminal Station “B”

Fig. 4 General layout for the link test (case 1)


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Case 3 (1+1):

Fig. 6


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1.3 LCT Connection

Connect the Ethernet interface of the LCT to the FlexiPacket Radio depending on thetest bench scenario.

FlexiPacket Radio has two IP addresses as reported in Fig. 7:

Fig. 7 IP addresses scheme

For the default configuration, the IP address of the PC must be 192.168.255.x, wherex (between 4 and 253) provides an available IP address. Sub-net Mask has to be255.255.255.0

If no DCN Planning configuration is available (or Stand alone Link) it is suggested toconfigure on the equipment the following IP addresses (refer to paragraph 1.12 to setthese parameters):

Fig. 8 FlexiPacket Radio configuration

Consequently the LCT must be set with an IP address belonging to the same IPSubnet.

Before opening the LCT it is suggested to verify the connectivity between the PC andthe Equipment. To check, apply a ping command from the Windows DOS Prompt.


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1.4 Create a map with NetBuilder

Purpose :create a map with two NEs (Station A NE and Station B NE) to be used during theSystem Commissioning and Testing.

Steps :

1 Start NetBuilder: Start → All Programs → Nokia Siemens Networks → LCT → NetBuilder

Fig. 9 Create a Map with NetBuilder (1)


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5 After this command, the system opens the NE properties window.

Enter the parameters relevant to the NE of Station A.

Fig. 12

1.4.1.1 Create a Map with NetBuilder (4)

The NE configuration parameters are:

NE Name:

It is the name of the NE, which must be univocal. It is necessary to enter both thename and the network address for each NE. If only the network address is entered,the network address itself is assumed as NE name.

Disabled :Selecting the Disabled check-box, the NE is set as disabled. A disabled NE ischaracterized on the map by an icon with a little cross and a different color.

By default, the Disabled check-box is not selected.

Synchronization :

The user can, selecting the Synchronization check-box, synchronize the date andtime of the NE with the local date and time of the LCT (proprietary synchronizationmode). On the contrary, the proprietary synchronization is disabled and an NTPserver must be present. By default, the Synchronization check-box is not selected.


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Protocol:

It is the application protocol for the management of the NEs.

–Select SNMP Address :

Set the IP address of the NE. Open the configuration window clicking on Settings.Enter the IP address and click on OK to confirm the executed settings.

Fig. 13 Create a Map with NetBuilder (5)

6 Select again Edit → New → Net-Element and insert the parameters regarding theNE of Station B.

7 Select File → Save as . Give a name to the map.

8 Select File → Exit to quit NetBuilder.


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1.5 Equipment configuration (station A)

Purpose :This chapter gives all the information to configure the main parameters of the NE inorder to implement the commissioning.

In case of 1+1 configuration configure the Main FlexiPacket Radio and the ProtectionFlexiPacket Radio.

Steps:

1 Start the LCT:

Start → All Programs → Nokia Siemens Networks → LCT → LCT

2 Open the LOCALNE_SNMP.map:File → Open Map → Select LOCALNE_SNMP.map

3 Right click on the FlexiPacket Radio icon.

4 The " Open NE " screen opens.

Fig. 14 Open NE Screen


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5 Enter:

• User Class: Admin User

• Password: sysmanager

Fig. 15 FlexiPacket Radio Main View


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6 To configure the Equipment select the menu

Status and Config → Equipment .

The following figure opens.

Fig. 16 Equipment menu

• Click on Configure in GbE field to configure the Gigabit Ethernet interface(par. 1.6).

• Click on Configure in Switch field to configure the internal switch (par. 1.7).• Click on Configure in BB/Modem field to configure the BB and Modem

parameters (par. 1.8).

• Click on Configure in RF field to configure the RF parameters (par. 1.9).

• Click on Configure in System Controller field to configure the system (par. 1.10).


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1.6 GbE - Configuration

Figure below shows the default configuration.

Fig. 17 Gigabit Ethernet Configuration (1)

Steps:

1 Set the MDI/MDI-X Autosensing field:

Automatic (default), Manual .

If it's set to Automatic, the Ethernet cable to be connected to the FlexiPacket Radiocan be straight or cross.

2 Set the Autonegotiation Protocol field:

Enabled (default), Disabled .

If set to Enabled , the bit rate and the operation type is automatically set by theEthernet interface.

TIPIn the Local Capabilities field it is possible to enter the max. capabilities to benegotiated and the Enabled Capabilities field is a read-only field.


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If set to Disabled , the bit rate and the operation type must be selected in the relevantfield, as shown in the next figure.

Fig. 18 Gigabit Ethernet Configuration (2)

3 If the Ethernet interface is 1000 Full Duplex (Note: for this interface the auto-negotiation Protocol must be always enabled), it is possible to set the operation mode

in the Master/Slave Selection Field:Automatic (default), Master , Slave ).

4 By pressing pushbutton Reset , the restart of the physical interface will take place.


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1.7 Switch - Configuration

In Switch Configuration Screen, four areas are present, which have to be configured:1) VLAN Support area

2) Port Configuration area

3) Scheduling area

4) MAC DB area

3

2

4

1

Fig. 19 Switch Configuration


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8 In the next figure an example is given with 5 rows.

Fig. 24 VLAN Table example


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9 Put a check mark on the VLAN Filtering box to allow only to the VLAN Ids writtenin the VLAN table to enter the switch.

Fig. 25 VLAN Filtering (1)


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1.7.1.1 How to delete a row in the VLAN table.

Steps:

1 Select the row to be deleted.

2 Click Delete .

3 Click Apply Changes .

Fig. 26 VLAN Delete


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1.7.2 Port Configuration

Fig. 27 Port Configuration Area Configuration

WARNINGThe priority of Local port, Radio port and Micro port are fixed and cannot bechanged.

Enable the suitable resolution criterion (multiple selection can be done):

• VLAN ID• 802.1p• IPv4/IPv6by putting a check mark in the relevant box and clicking on pushbutton " Commit to

Switch ".

According to the enabled resolution criteria, click on the relevant Priority setting button and assign to each value a specific Tx queue (0 = Low priority queue, 3=Highpriority queue), as explained in the following.


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WARNINGThe internal L2 switch has 3 ports. One port (Local Port) is connected to theEthernet interface; another port (Radio Port) is connected to the Modem and

the last port (Micro Port) is connected to the internal microprocessor.


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VLAN Priority Settings

In the VLAN Id Priority table are listed all the VLAN Id that have been insertedpreviously in the VLAN table.

Steps:

1 Click on VLAN Priority Settings .

The next screen opens. The default priority is “No priority”, corresponding to queue 0

Fig. 28 VLAN Priority Table


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4 Change the Priority (from 0 to 3) and click Confirm .


6 Repeat steps 3 to 5 to modify the priority of the other VLAN Ids.

Fig. 31 Modified VLAN priority table


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802.1p Priority settings

Steps:

1 Click on 802.1p Priority Settings .The next screen opens. The default priority is 0 (lowest priority)

Fig. 32 802.1p priority table


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2 Click on Modify Table .

3 Select the VLAN Priority Id to be modified (VPRI ID 7 in the example) and click onModify .

Fig. 33 802.1p priority table modify


Fig. 34 802.1p priority modify


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Fig. 35 Modified 802.1p priority table

6 Repeat steps 3 to 5 to modify the other priorities.


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IPv4/IPv6 Priority settings

Steps:

1 Click on 802.1p Priority Settings .The next screen opens. The default priority is 0 (lowest priority).

Fig. 36 Diffserv priority table


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2 Click on Modify Table .

3 Select the DiffServ Id to be modified (DiffServ 45 in the example) and click onModify .

Fig. 37 Diffserv priority table modify


Fig. 38 Diffserv priority modify


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Fig. 39 Modified Diffserv priority table

6 Repeat steps 3 to 5 to modify the other priorities.


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1.7.3 Scheduling area configuration

Fig. 40 Scheduling Area Configuration

Steps:

1 Select the scheduler algorithm:

WFQ (Weighted Fair Queuing)

SP (Strict Priority Queuing).

OneSP ThreeWFQ

TwoSP TwoWFQ

2 If WFQ has been selected, in the WFQ Alternate Weighting Scheme boxes enterthe suitable transmission rules.

Default is 8:4:2:1 (8 packets from Tx queue #3, 4 packets from Tx queue #2, 2packets from Tx queue #1, 1 packet from Tx queue #0).


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1.7.4 MAC DB area configuration

Fig. 41 MAC DB area configuration

Steps:

1 Change the Aging Time , if needed. Default value: 300 sec.


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3 Click on Modify Table . The next screen opens.

Fig. 43 Modify MAC Table

4 Click on Add . The next screen opens.

Fig. 44 Add in MAC Table


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8 Change the " Special Frame Handling ", if required.

Fig. 46 Special Frame Handling (1)

Fig. 47 Special frame Handling (2)


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9 Click on " Modify Table " to modify the default table. The next screen opens.

The Table is the default table with default MAC Address and default Multicast Modewhere:

• 1: filtered (the frame is discarded)• 2: flooded (the frame is sent to all the ports)• 3: management (the frame is sent to the microprocessor)• 4: normal traffic (the frame transits between the local Ethernet port and the radio

port)

Fig. 48 Special Frame Modify (1)


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10 Select the ID to be modified and click on Modify .

Fig. 49 Special Frame Modify (2)

11 Modify the field clicking on " Confirm ", then click on " Apply Changes ".

TIPBy clicking on " Clear All MAC DB Entries ", the MAC Table is cleared.

By clicking on " Export All MAC DB Entries ", the MAC Table (autolearning andstatic) can be exported in an xml file.


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1.8 BB/Modem - Configuration

Fig. 50 BB/Modem Configuration (Static Modulation)

Fig. 51 BB/Modem Configuration (Adaptive Modulation)


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By clicking on Details the following read-only screen opens:

Fig. 52 Profiles Details with Static Modulation

Fig. 53 Profiles Details with Adaptive Modulation


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Steps:

1 Select the suitable size of the R-channel (from 64 kbit/s to 512 kbit/s).

2 If the Static Modulation has to be used, enter in the relevant Tx Profile theModulation scheme to be used:

• 1=4 QAM• 2=16 QAM• 3=64 QAM• 4=128 QAM• 5=256 QAM

TIPIn Rx side the Modulation scheme automatically changes according to the Modulationscheme used in Tx side.


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3 If the Adaptive Modulation has to be used, put a check mark in the Tx side ACM Enabled box.

TIPIn Rx side the Modulation scheme automatically changes according to the Modulationscheme used in Tx side.

The Adaptive Modulation algorithm uses as minimum Modulation scheme the 4QAM(Most Robust Rx profile = 1; fixed: cannot be changed) and as maximum the profilewritten in the Most Efficient Rx profile: from 1=4QAM to 5=256 QAM).

4 If the ATPC is not used, enter the Tx Power value (RTPC).

Fig. 54 TX Power


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5 Enable the ATPC , if required, and enter the relevant parameters.

Fig. 55 ATPC

WARNINGRemove the Squelch from the Service State Radio Port field and set to Up onlywhen the RF parameters have been set (see 1.9).


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1.9 RF - Configuration

Fig. 56 RF Configuration

Steps:

1 Enter the Tx RF frequency in the Tx Value field or Rx RF frequency in the RxValue field.

The dual RF frequency (Rx or Tx) is automatically calculated according to the

selected frequency and the frequency shifter.2 Choose the Channel bandwidth: 3.5, 7, 14, 28, 56 MHz.

WARNINGThe "Continuous Wave Test" is only for maintenance and test purposes.

With this test the RF Transmitter emits an unmodulated carrier.


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1.10 System Controller - Configuration

Steps:1 Insert the Power Supply Source (this field is only to inform the operator about thetype of used power supply):

• Info Not Used : No information in the field• External PS : Power supply on the dedicated cable• Midspan-injector : Power supply coming from the Power Injector• Switch-pse: Power + Ethernet from the Indoor Device2 Select the Synchronization method: Freerun/Ethernet/Radio.

3 Select in the LPG (Link Protection Group) the following parameters:

• System Type : 1+0 or 1+1• ODU Role (only with 1+1 system type): Main/Protection• Switching Mode (only with 1+1 system type): Unrevertive/Revertive• Suspend Interval (only with 1+1 system type): 80/160/240/320sec (default: 160

sec)

The Suspend Interval is the time interval during which the controller is in freezingstate.During this time the stand-by FlexiPacket Radio receives no message from the activeFlexiPacket Radio, except the Suspend Interval message, which disables theswitching for the time configured in the Suspend Interval.


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Fig. 57 System Configuration


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1.11 Station " A" correct operation check

Check the correct operation of the station by using the RF loopback.

WARNINGIn case of 1+1 configuration first implements the RF loopback on the MainFlexi-Packet Radio and then on the Protection FlexiPacket Radio.

Steps:

Follow the path shown in Fig. 58 and Fig. 59.


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Fig. 58 Loopbacks (1)


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When the time for the RF loopback is over, click on the pushbutton Show Result .Open the FTP session by entering the user name (admin) and the password (sys-manager).


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The next screen opens:


Drag on the PC file " TestLoopResult.gz" .

This file can be opened by a double click with an editor and it includes all the testresults.

If during the loopback no error occurred, station "A" works properly:

• "In Bad Octets counter" must be zero,• "In Octets counter" must be equal to the " Out Octets counter" and both must be

in the "In Good Octets counter"

TIPIf you drag on the PC (in the same directory of file " TestLoopResult.gz ") also file"LoopTest.xsl" , file "TestLoopResult.gz " can be opened also with a browser.


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1.13 NE date and time configuration

The date and time have a particular importance during the execution and the analysisof the measurements and recordings on the equipment.

The date and time configuration can now be executed only in case of login withadministrator privileges and of proprietary synchronization .

Fig. 65 Configuration of NE date and time


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1.13.1 Manual setting of date and time

Steps:

1 In the “ Timeset ” menu select “ PC Time ” and click on OK; the pc date and time willsynchronize the FlexiPacket Radio.

Fig. 66 Manual setting of date and time (1)

2 As alternative in the “ Time Set ” menu it is possible to select “ New Time ”; now writethe date and time manually.

Fig. 67 Manual setting of date and time (2)


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1.13.2 Synchronization of NE via Time Server SNTP

It is possible to synchronize the clock of the NE to the time reference provided by aSNTP Time Server reachable via IP network.

The Time Server distributes the GMT time, which can be adjusted depending on itsown time zone and of the daylight saving time.

Selecting Time Server Configuration command in the Time Settings menu opens theTime Server IP Address window, where it is possible to enable and configure theSNTP synchronization

The default value of the address IP of the Time Server (0.0.0.0) causes the disablingof the SNTP synchronization.

Fig. 68 Synchronization of NE via Time Server SNTP (1)


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1.15 Equipment configuration (station B)

Repeat all the steps done for station A.


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1.16 Antenna alignment

Before starting with the alignment phase, verify the ATPC status in both terminalstations and set them to the disabled mode.

Verify also that the Transmission power is configured with the maximum outputpower.

The Nominal setting values depend on the ODU type and on the frequency range. Apply this setting in both stations.

By properly using the safety device and observing the security rules, climb near theODU and connect the Multimeter on the main ODU (typically the ODU connected tothe East Modem Module) to the BNC connector.

It is not compulsory but for antenna pointing it is suggested to use an analogicmultimeter.

The multimeter must be connected in DC voltage measure.

Start with the antenna adjustment following the indication reported in the installationmanual of the antenna supplier.

TIPTake care that the antennas alignment procedure is not a single station activities, butrequire a synchronizing tasks between Installation Team on both terminal stations.

The alignment operations must be possible only after that all above system

configuration and controlling are done also on the remote terminal station. For themechanical antennas adjustment points, refer to the Field Installation andCommissioning manual.

A general alignment procedure is available on request.

After alignment, verify on both terminal station and for all RF channels that theReceived power level agrees with the project specification (see the RSL value viaLCT).

WARNINGThe update and refresh time of RSL value via LCT is slow; don't use only this

Item for the antennas adjustment phase, but it is suggested to use themultimeter on BNC ODU port and to refer to the Maximal Voltage valuereceived.

WARNINGFor RSL, consider a Prx read value tolerance of about ±3 dB.


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Fig. 71 Example BNC Connection on ODU


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The alignment steps and antennas pointing mode depend on the system type andproject specifications.

See the example below:

Fig. 72 Standard antennas pointing


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1.17 Link connectivity check (using the remoteloopback)

In case of 1+1 configuration check first the Main channel and then the Protectionchannel.

Steps :

1 Connect the LCT to Station "A", as shown in Fig. 73.

Fig. 73 Link connectivity test

2 Open the map previously created with Netbuilder.


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3 Enter Station "B" : Create the following loopback:

• Interface : Local Port

• Test Type : Remote Payload Loopback• Release Time Out : more than 60 sec.• Activation Status : Create

Fig. 74 Create Loopback (1)


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5 Enter Station "B ": Activate the loop

6 Enter Station "A ": Activate the loop

7 During the loop activation time the NE is not reachable.8 When the time is over click on pushbutton Show Result . An FTP session opens.

9 Enter the user name (admin) and the password (sysmanager).

10 Drag on the PC file TestLoopResult.gz . This file can be opened by a double clickwith an editor and it includes all the test results.

11 If during the loopback no error occurred, the link works properly:• "In Bad Octets counter "must be zero,• "In Octets counter" must be equal to the " Out Octets counter" and both must

be in the "In Good Octets counter".TIPIf you drag on the PC (in the same directory of file " TestLoopResult.gz ") also file"LoopTest.xsl ", file "TestLoopResult.gz " can be opened also with a browser.

Fig. 76 Testloop result


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1.18 Interferences evaluation check

After the frequency setting and power setting, before starting with the Alignmentphase or remote station configuration phase (considering the remote station in PowerOFF condition) it is suggested a check of the Prx value to evaluate the presence ofany interfering signal from other MW Links.

(This check is also suitable at the end of the alignment with a particular command onthe "testing configuration").

The operator can measure the value of the power received by the FlexiPacket Radioinstalled in the system by means of the commands of " Measurements " menu.

Selecting the " View" command in the " Measurements " menu, the RFMeasurements window opens, where the measurements of the transmission andreception power are displayed.

Check that the all the Rx power values are less than -94 dBm (or in any case with theappropriate fade margin written in the RF Network Plan).

Fig. 77 Measurements menu


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If the link is already operational (but not in service) it is possible to set the Remote Txamplifier to OFF (squelching activation) for a settable timing (the time necessary toread a local Rx Power, about 60 second). This command is also suitable if any

operator is present in the remote station.To do this check, open a map already configured with the IP address of local andremote station.

By using the LCT enter the remote NE and activate the " Timed Tx Squelch " asshown in the next figure.

Insert an appropriate Squelch Time (example 60 seconds) and activate thecommand.

On the local station check the Prx value.

Steps:

Follow the path shown in Fig. 78.

document on flexipacket radio commissioning

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