Section 4. LINE-UP 9 LINE-UP OF ALFOPLUS 9.1 GENERAL The line-up consists of the following steps: • switch on the equipment • alarm leds check • connection procedure • equipment configuration (through PC software) • optimizing antenna orientation • check of Ethernet connections • quality evaluation with performance monitoring Operations involving the use of SCT/WebLCT are roughly described here. For further details please refer to software manual. 9.
9.3 ALARM LED CHECK On the rear panel of ODU unit there is a transparent plastic window to see the status of an internal LED dedicated to show unit alarms. Further information about ALFOplus alarms can be found onto Section 5. MAINTENANCE. 9.4 CONNECTION PROCEDURE Connection between PC and ALFOplus can only occur if the IP address of the PC and the radio belong to the same subnet and it can be made directly or through a switch on the LAN2 connector.
Rescue connection using WLC (you don’t know IP address) 1. Assign a static IP address (see Fig.78) to PC (172.20.253.14/255.255.0.0). ALFOplus rescue IP address: 172.20.253.13 ALFOplus rescue Subnetwork Mask: 255.255.0.0 2. Connect your PC directly to ALFOplus with a LAN cable 3. By WLC, press the arrow down near the button connect and press “Rescue connection” (see Fig.81) 4. Type equipment user/password and follow the instructions of rescue login (see Fig.82) 5.
Fig.77 - Connection option Fig.78 - IP address setting 112 ALFOplus 24GHz (North America) - Release 01.05.0x - MN.00395.
Fig.79 - Login connection using SCT Fig.80 - Rescue login using SCT ALFOplus 24GHz (North America) - Release 01.05.0x - MN.00395.
Fig.81 - Web LCT console 114 ALFOplus 24GHz (North America) - Release 01.05.0x - MN.00395.
Fig.82 - Rescue connection using WLC 9.5 INITIALIZATION PROCEDURE To activate a radio link it is necessary to program the ODU (local and remote side) in some basic items listed in the following: • bandwidth & modulation • Tx frequency & power • port configuration • agent IP address and equipment ID • store routing table • remote element list • restart equipment Bandwidth and Modulation setting See Fig.83.
Fig.83 - Bandwidth&Modulation, Local Link ID Tx frequency setting See Fig.84. Into WebLCT at position: • Equipment menu • Radio Branch • Settings card: in this card you have to select Duplex frequency and Tx frequency; Rx frequency value is shown in the top status bar and is set automatically. Press Apply and Confirm. Local Tx frequency must be set equal to remote Rx frequency. 24GHz band is a not licensed band and duplex frequency has no fixed values.
Fig.84 - Frequency and power setting Port configuration setting See Fig.85. Into WebLCT at position: • Equipment menu • Main - Port configuration • In Ethernet card you can modify the IP address, netmask and supervisioning parameters. Press Apply and Confirm. Press Store and Confirm. Warning: the supervisioning configuration is applied immediately, instead IP address and Subnetmask re- quires apply store and restart.
Fig.85 - Port configuration Agent IP address setting See Fig.86. Into WebLCT at position: • Equipment menu • Main - Equipment properties • In General Info card, change the equipment ID and agent IP address equal to Ethernet IP address. Press Apply and Confirm. Fig.86 - Equipment properties Store routing table setting See Fig.87. Into WebLCT at position: • 118 Equipment menu ALFOplus 24GHz (North America) - Release 01.05.0x - MN.00395.
• Main - Store routing table • Type the default gateway IP address and select Lan Interface and/or add manually the routing command. • Press Apply and Confirm. Press Save and Confirm. Fig.87 - Store routing table Remote element list setting See Fig.88.
Fig.88 - Remote element list 9.6 OPTIMIZING ANTENNA ALIGNMENT WITH RX MEASUREMENT When the whole radio link is on, antenna alignment can be optimised. Antenna alignment optimization is performed depending on the Rx signal power at local and remote equipment and evaluating both local and remote S/N value maximizing them. There are two possibilities to see the Rx signal power level: • through WebLCT interface • through a voltmeter connected to Auxiliary connector on the ODU (F03608 cable - see Fig.51).
-60 0 ±3 -70 -1.17 ±3 -80 -2.34 ±3 -90 -3.51 ±5 -100 -4.68 ±5 Formula RSSI=Offset + (Signal Output)/Slope Slope (V/dB) 0.117 Offset (dBm) -60 Typical Rx signal power level: -40dBm. It is the most important item to optimise the antenna alignment, but in a situation of interference Rx level can be good, BER acceptable but S/N margin low. This means that when Rx fields will decrease then BER will increase fast.
Antenna aiming Antenna aiming devices allow to perform the following adjustments with respect to the starting aiming position: - horizontal ± 15° operating on the nut (3) shown in Fig.91, only after having loosen the nuts (7), (8), (9), (10) of Fig.92. - vertical ± 15° operating on vertical adjustment worm screw (2) shown in Fig.91 only after having loosen nuts (1), (2), (11) of Fig.92 and (4) of Fig.91 For adjustment from 0° to +30° extract nut (1) Fig.
mm wrench 32 Nm torque 15 mm wrench 32 Nm torque 4 11 7 1 3 8 10 9 5 2 6 15 mm wrench 32 Nm torque 15 mm wrench 32 Nm torque Fig.92 - Antenna aiming block 9.7 ODU ACCESSING AND REMOTE MANAGEMENT Local ALFOplus ODU and its remote ODU can be accessed via LAN2 or LAN1 ports depending on supervisioning parameters, once the radio link has been initialized correctly (Local&Remote). In SCT the window (see Fig.93) shows the network elements belonging to selected station.
Fig.93 - Remote accessing 9.8 COMMISSIONING MEASURES FOR ETHERNET TRAFFIC 9.8.1 Ethernet connection stability Settings To verify the Ethernet performances apply the following settings of Tab.22 for both ALFOplus GE and ALFOplus GO. Tab.
Remote terminal LAN1 LAN2 PORT A LAN1 LAN2 PORT A LAN1 / Disable Enable / Disable Enable LAN2 Disable / Enable Disable / Enable Port A Enable Enable / Enable Enable / 802.1q Management Fallback Disable Fallback Fallback Disable Fallback Default Vid 101 102 111 101 102 111 Port default Port default Port default Port default 0 7 0 7 Port Based VLAN Virtual Lan (802.1Q) Local Terminal Ethernet Switch Priority 802.
9.9.2 Procedure of firmware update Follow the steps below to perform the software upgrade of ALFOplus equipment. Boot download 1. Unzip files E82108xxx.zip in a suitable directory of the PC used to perform the upgrade. 2. Connect to the equipment using the SCT or the WebLCT (login as “System”). 3. Open the Software Download window: - using SCT, select Version from Equipment menu and press Download SW setup - using WebLCT, select Software Info&Maint (see Fig.
Fig.94 - Software download procedure Fig.95 - Upgrade software 9.10 9.10.1 BACKUP FULL EQUIPMENT CONFIGURATION WITHOUT POSSIBILITY OF MODIFYING THE PARAMETERS Scope This chapter describes the procedure to backup the full equipment configuration. This permits to recover the original equipment configuration in case of faulty or configuration mismatch. Warning: In order to transfer data, WebLCT Console or Subnetwork Craft Terminal running is necessary.
9.10.2 Backup/Restore Configuration using SCT Backup Configuration Foreword: it is advisable to backup the configuration after the first installation. Proceed as follows: 1. Select Equipment Configuration Wizard from menu Tools; Equipment Configuration Wizard window will be displayed. 2. Select Upload and then Backup Full Equipment Configuration; Template Selection window will be displayed. 3. Select the correct equipment template (in case of uncorrected choice the backup will be aborted). 4.
Restore Configuration Once the spare Controller has been installed or every time the saved configuration is necessary, proceed as follow: 1. Select Backup/Restore Configuration in the Main menu 2. In the field Restore file name write the name of the configuration file you are going to download in the ODU, complete with the full path of its folder 3. Push Restore. The status of the backup procedure is shown in the operation Status field.
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Section 5. MAINTENANCE 10 10.1 ALARMS GENERAL In this document is present a description of alarms in order to help operators to perform equipment troubleshooting. 10.2 ALARM SYSTEM There are two ways to identify the alarms: • through LEDS • through SCT/WebLCT For each part of SIAE radio system, groups of alarms are defined. These alarms can be independent or interdependent with each other, according to the real causes that generated them.
10.2.1 LED status The visual indication is given by a LED, which can be green or orange or red. The information provided are: • • • Red light: - ON - An internal alarm is active. Connect the PC for troubleshooting - Flashing - An external alarm is active Green light: - Flashing - No radio connection with far-end terminal - ON - Radio connection with far-end terminal is active Orange light: - During restart During the power-up follows three status of display Led (see Tab.23) Tab.
Tab.24 - Alarms Group COMMON ETH LAN P.M.
RADIO SETS SNTP Unit a.
11 MAINTENANCE AND TROUBLESHOOTING 11.1 GENERAL In the following pages are listed all the procedures to follow for ALFOplus maintenance. When corrective maintenance is necessary, a troubleshooting procedure helps the operator to identify the failure unit to replace it with a spare one. 11.2 MAINTENANCE Maintenance consists of two stages: 1. periodical checks to be carried out using SCT/WebLCT 2. corrective maintenance.
11.2.2 Corrective maintenance (troubleshooting) Corrective maintenance starts as soon as one or more alarm indication become active. Corrective maintenance purpose is to locate the faulty unit and replace it with spare after having verified that the cause of faulty is not external to the equipment. Corrective maintenance does not include malfunction due to a wrong or incomplete configuration of the system or to failure due to alarm indication system itself or any other cause external to the system, i.e.
11.4 TROUBLESHOOTING Troubleshooting must be performed when one of the following situations occurs: • Alarms are present (revealed by front LEDs, WEBLCT or NSM5UX/NMS5LX) • Traffic is interrupted • Rx signal quality and/or Rx signal level are lower than the expected • Performances (SE, SES, BBE,...) are not the expected ones By means of alarms, historical alarms and “Performance monitoring” the operator can discover the cause of the problem.
SCT WebLCT NMS5LX Fig.97 11.5 138 ALARM SEVERITY GROUP • Critical (red) - Urgent (affect traffic - link down) Out-of-service, hw failure.
11.
Observation Observation is one more way to investigate. Operator can use: • front panel LEDs • voltmeter reading (Rx POWER at F03608 connector) • errors counter or traffic analyser (or any external instrument). Warning: refer to proper software manuals for information relevant these items. 11.8 ALFOPLUS ALARMS Alarms are divided in groups depending on functionality or hardware module that has the failure or the problem described by the alarm itself.
Rx Power Low + Adaptive Modulation Reduced Capacity, Radio Rx Quality Low Warning (ACM Enabled) • Propagation problems or remote Tx low/damaged (check remote) • Installation problem, (RF part), check local and Remote Fig.99 Rx Power Low + Adaptative Modulation Reduced Capacity+ Radio Rx Quality Low Alarm (ACM Enabled) • Propagation problems or remote Tx low/damaged (check remote) • Installation problem, (RF part), check local and Remote. Fig.
In case of ACM disable the alarms sequence is the same despite of Adaptative Modulation Reduced Capacity Notification: Fig.102 Plug-in Module Mismatch Alarm+Plug-in Module Fail Alarm+Plug-in Module Loss of Signal Alarm+Base Band Lan 1 Loss of Signal Alarm • SFP Module Missing/Faulty/Not Compatible in Port 1. Fig.103 11.8.2 Alarm groups: COMMON Tab.
Common Problem Solution OAM-FM MA <...> MEP Id:<...> Fail CCM not received by local MEP Check VLAN config and/or VLAN pathdown OAM-FM MA:<...> MEP Id:<...> Config. Mismatch MEO Configuration error OAM config. Error, check MEP names 11.8.3 Alarm groups: ETH LAN Tab.
UNIT Problem Solution HW Mismatch Alarm Internal Problem Hot Reset, Cold Reset, Factory Default Reset, Substitute with spare part. Missing Alarm Internal Problem Hot Reset, Cold Reset, Factory Default Reset, Substitute with spare part. Not Responding Alarm Internal Problem Hot Reset, Cold Reset, Factory Default Reset, Substitute with spare part. Sw Mismatch Alarm Internal Problem Hot Reset, Cold Reset, Factory Default Reset, Substitute with spare part. 11.8.
Radio Problem Solution VCO Fail VCO Fail Substitute the equipment IF Fail IF Fail Substitute the equipment Rx Quality Low Alarm Rx Quality Low Warning BER 10-6 Increase fade margin or check for interference problems or look for antenna/waveguide installation problem BER 10-10 Increase fade margin or check for interference problems or look for antenna/waveguide installation problem Radio Config Mismatch Set BW&MOD mismatch on radio link Fix Mode Cap Link ID in local and far end station
SETS Problem Solution IDU Sets <...> Drift Drift on selected timing input Check timing input generator, choose another source IDU Sets <...> Active Sync Status, IDU is synchronized SETS group alarms - Concatenations Alarms that generate them and alarms caused by them. Tab.34 - SETS group alarms - Concatenations This alarm causes a SETS Group Alarm SETS Group Alarms Telemetry Fail (Radio selected as synch source) LTI LAN port LOS (LAN port selected as synch source) LTI 11.
b a c Timeout = 0 RF Loop Ber Test on Local ALFOplus Fig.104 or for Both radio • Set Timeout_Local= 580sec and Timeout_Remote= 600sec • Enable Remote Radio BER TEST (step a,b,c) • Immediately, enable the Local Radio BER TEST • Check Local status: BER,Sync Loss, Errors, Elapsed Time, events Timeout = 600 Timeout = 580 Ber Test on Ber Test on ALFOplus link BER TEST is traffic affetting! Fig.105 ALFOplus 24GHz (North America) - Release 01.05.0x - MN.00395.
11.10 EXAMPLE OF LOOP - BACK TEST OVER THE ETHERNET PATCH Radio Link Lan1 802.1q in fallback Cross - connection LAN1 with PortA Mep ID=1 Mep ID=2 Lan2 Lan1 Lan2 PortA PortA PortA must be enabled Fig.106 - Radio link C reate V LA N (Do the same in the remote radio) Fig.107 - Create VLAN C reate D om ain (Do the same in the remote radio) Fig.108 - Create Domain 148 ALFOplus 24GHz (North America) - Release 01.05.0x - MN.00395.
2 1 C reate M E P over V lan 24 (Do the same in the remote radio) Fig.109 - Create MEP over VLAN 24 S et M E P ID & directio n (Different ID in the remote radio) D irection = outgoing from the switch (through Line cable or Radio propagation) = ingoing in to the switch Fig.110 - Set MEP ID & Direction 11.11 MEP CROSSCHECK AND TEST S tart C C M 1 3 RemoteMep LinkTraceMessage LoopBackMessage 2 7 4 Missing CCM of remote MEP Fig.111 - Start CCM ALFOplus 24GHz (North America) - Release 01.05.
M E P C rossC heck 6 5 8 Fig.112 - MEP crosscheck LoopB ackM essage Status MEP Failed = Missing CCM Fig.113 - Loop back message LinkTraceM e ssag e MAC address not found MAC address searching in progress MAC address found Fig.114 - Link trace message 150 ALFOplus 24GHz (North America) - Release 01.05.0x - MN.00395.
11.12 LOOPS Loops used with Ber Test measurement or S/N to search the failure or check the cable connections. 0 sec = disable Manual operation Timeout Press Double click Line Loop Lan (Tx -> Rx) The packets ethernet doesn't return back, because are deleted into the switch. Packets ethernet return back (Very dangerous for the network, because the Ethernet traffic should never be looped) ODU BaseBand Loop Line Loop ALFOPLUS SWITCH RF The loops are combined with Radio BER Test Fig.115 11.
• Rx Quality Alarm BER <10-6 In order to understand why quality alarms are present, RxPwr performance window must be used (in NMS, WEBLCT, SCT). Local status -> Rx levels are low... and before? From RxPwr table we see that in the last 15min record Rx level is <-80dBm but in previous records Rx level was higher. From the situation the reason of quality problem is the rain (...f>10GHz).
11.14.2 Radio link affected by interference Radio link affected by interference has quality problems in one direction only (possible alarms are Rx Quality warning, Rx Quality alarm, Telemetry fail...increasing the interference severity). Rx level in the interfered site is not reduced by interference. When these symptoms occur check if new radio links have been installed in close areas (higher the frequency, smaller the search radius).
154 ALFOplus 24GHz (North America) - Release 01.05.0x - MN.00395.
Section 6. PROGRAMMING AND SUPERVISION 12 PROGRAMMING AND SUPERVISION 12.1 GENERAL ALFOplus is programmed and supervised using SCT or WLC. This subject is fully described in the separated software manual (WebLCT ALFOplus - Software application for the management of ALFOplus equipment). Warning: operating system compatibility for SCT and WLC is Windows XP or Windows 7. 12.2 SUPERVISION THROUGH ETHERNET The provided structure for Ethernet traffic defines the management facilities of "ALFOplus" unit.
LAN1 Internal port SWD Switching Device Radio side LAN2 Mgt Mac Controller Rate adapter (fpga) Fig.117 - Traffic management of "ALFOplus" unit 12.2.1 General In general the management plane can be configured to be managed “in band” , that is transported with data and differentiated on the base of VLan, or out of band, where a port is exclusively dedicated to the management.
Fig.118 • Management LAN2 Only - Untagged • Reachability: From LAN2 only the local CPU is reachable Local CPU is NOT reachable from the remote ODU • Data LAN1 only - Tagged/Untagged Disable - Out Of Band LAN1: Disable LAN1 is for data only LAN2: Out Of Band LAN2 is local management only, dedicated bandwidth for the management over the air Fig.
Fig.120 • Management LAN1 - Tagged LAN2 - Untagged • Reachability: From LAN1: whole network From LAN2: only local P only From remote (portA): whole network • Data LAN1 only - Tagged/Untagged In Band - Drop Node LAN1: In Band LAN1 is for both data and management LAN2: Drop Node LAN2 is for management only Fig.
Fig.122 • Management LAN1 - Tagged (Tag=InBandVlan) LAN2 - Tagged (Tag=InBandVlan) • Reachability: From LAN1: whole network From LAN2: whole network From radio: whole network • Data LAN1 and LAN2 In Band - Disable LAN1: In Band LAN1 is for data and management LAN2: Disable LAN2 is for data only Fig.123 • Management LAN1 only - Tagged (Tag=InBandVlan) • Reachability: From LAN1: whole network From radio: whole network • Data LAN1 and LAN2 ALFOplus 24GHz (North America) - Release 01.05.
12.2.2 Configurability The management mode of equipment affects the Ethernet Channel and on the Switch configuration (RSTP, OAM, …). Therefore it is important to decide the optimal configuration of traffic Ethernet and management, to avoid blocking traffic conditions. In out of band a dedicated service channel for management does not exist, but this is forwarded to radio side using “internal Vlan stacking” with priority7, so that traffic IP with priority 7 could affect the speed of management traffic.
Section 7. COMPOSITION 13 COMPOSITION OF OUTDOOR UNIT 13.1 GENERALS There are several versions of ALFOplus, each of them with different hardware characteristics. If one of these is inserted improperly in local and remote side, radio link does not work. Following statements: • you must have 2 ODUs, the first one working in the lower selected subband and the second one working in the correspondent higher subband; e.g. 1L-1H, 2H - 2L, etc... (see Fig.124).
Fig.124 - Label attached on ODU 162 ALFOplus 24GHz (North America) - Release 01.05.0x - MN.00395.
Section 8. RF CHARACTERISTICS 14 ALFOPLUS 24 GHZ CHARACTERISTICS 14.1 FOREWORD The equipment complies with the following international standards: • EN 301 489-4 for EMC • FCC CFR Title 47 Part 15.249 • EN 302 217 for digital point to point fixed radio • EN 300 132-2 characteristics of power supply • EN 300019 climatic characteristics (operation: class 4.1 for ODU; storage: class 1.2; transport: class 2.3) • EN 60950-1 and EN 60950-22 for Safety • IEEE 802.3 for Ethernet interfaces.
Tab.36 - Frequency band FREQUENCY RANGE [GHz] DUPLEX SPACING [MHz] REFERENCE RECOMMENDATION 24.05 ÷ 24.25 - FCC CFR Title 47 Part 15.249 - Modulation scheme 4QAMs/4QAM/16QAMs/16QAM/32QAM/64QAM/ 128QAM/256QAM/512QAM/1024QAM - Capacity see Tab.37 - RF filter range Wide Filter Option (see Tab.38) - Transceiver tuning range see Tab.37 The frequency carrier limits are given in Tab.37 and Tab.38. Tab.
Tab.39 - 24.05 ÷ 24.25 GHz band - Frequency carrier limits FREQUENCY RANGE: 24.05 ÷ 24.25 GHz a SUB BAND 1 Channel bandwidth [MHz] Lower half of the band Higher half of the band Lowest Frequency Carrier [MHz] Highest Frequency Carrier [MHz] Lowest Frequency Carrier [MHz] Highest Frequency Carrier [MHz] 7 24053.5 24102.5 24197.5 24246.
14.2.2 Transmitter characteristics 5 - Maximum transmit power -3dBm - Tx bandwidth see Tab.36 - Frequency agility following ITU-R/CEPT channel plans or at 250 kHz steps - Built-in transmit power attenuation range from 17dB to 22dB - Attenuation step 1 dB step - RTPC attenuation range see Tab.40 Tab.
14.2.3 Receiver characteristics - Receiver bandwidth - Noise Figure - see Tab.36 10.5 dB Guaranteed receiver sensitivities6 [dBm] see Tab.41 Tab.41 - Guaranteed receiver sensitivities [dBm] CHANNEL BANDWIDTH [MHz] 7 10 14 20 28 30 40 50 56 4QAMs 4QAM 16QAMs 16QAM 32QAM BER=10-6 -88.0 -85.5 -82.0 -79.0 -77.0 BER=10-10 -86.0 -83.5 -80.0 -77.0 -75.0 BER=10-6 -87.0 -84.0 -80.5 -77.5 -75.5 BER=10-10 -85.0 -82.0 -78.5 -75.5 -73.5 BER=10-6 -87.0 -83.5 -80.
30 40 50 56 168 BER=10-6 -69.0 -66.0 -62.5 -60.0 -56.0 BER=10-10 -67.0 -64.0 -60.5 -58.0 -54.0 BER=10-6 -68.0 -65.0 -61.5 -59.0 -54.5 BER=10-10 -66.0 -63.0 -59.5 -57.0 -52.5 BER=10-6 -67.0 -64.0 -60.5 -58.0 -53.5 BER=10-10 -65.0 -62.0 -58.5 -56.0 -51.5 BER=10-6 -66.5 -63.5 -60.0 -57.5 -53.0 BER=10-10 -64.5 -61.5 -58.0 -55.5 -51.
Section 9. LISTS AND SERVICES 15 LIST OF FIGURES Fig.1 - Components electrostatic charge sensitive indication................................................ 10 Fig.2 - Elasticized band .................................................................................................. 10 Fig.3 - Coiled cord ......................................................................................................... 10 Fig.4 - ALFOplus front/side view ...........................................................
Fig.27 .......................................................................................................................... 62 Fig.28 - Provide synchronism .......................................................................................... 63 Fig.29 - LAN synchronisation method ............................................................................... 65 Fig.30 - Grounding connection ........................................................................................ 69 Fig.
Fig.70 - Opt. jumper outdoor LC/LC ............................................................................... 105 Fig.71 - Amphenol LC connector .................................................................................... 105 Fig.72 - Amphenol SFP/LC connector locked.................................................................... 106 Fig.73 - Amphenol SFP/LC connector check..................................................................... 106 Fig.74 - SFP into ALFOplus...................
Fig.113 - Loop back message........................................................................................ 150 Fig.114 - Link trace message ........................................................................................ 150 Fig.115 ...................................................................................................................... 151 Fig.116 ...................................................................................................................... 152 Fig.
16 LIST OF TABLES Tab.1 - Artificial respiration .............................................................................................. 9 Tab.2 - ACM switching thresholds .....................................................................................20 Tab.3 - Guaranteed Ethernet Latency (ms) for ALFOplus .....................................................24 Tab.4 - Guaranteed Ethernet Throughput (Mbit/s) for ALFOplus without Ethernet compression and fragmentation..........................
Tab.37 - Net Radio Throughput in Mbit/s versus Channel Bandwidth for ALFOplus equipment . 164 Tab.38 - RF filter sub-bands for ALFOplus 24GHz .............................................................. 164 Tab.39 - 24.05 ÷ 24.25 GHz band - Frequency carrier limits .............................................. 165 Tab.40 - RTPC attenuation range.................................................................................... 166 Tab.41 - Guaranteed receiver sensitivities [dBm].........................
17 ASSISTANCE SERVICE Technical assistance service is provided via the WebTicketing portal, accessible through SIAE Internet Web page (www.siaemic.com). The use of the WebTicketing portal requires that the user is enabled to the service: to obtain information on how to be enabled, please refer to the Contact US section of SIAE Internet Web page. ALFOplus 24GHz (North America) - Release 01.05.0x - MN.00395.
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