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Wisi VX 52 B Series, Руководство по эксплуатации

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WISI

 COMPACT LINE

© WISI Communications GmbH & Co. KG

wisigroup.com

-21-

Operating instructions

VX 52 B / VX 53 B series

RF amplifier - single output stage

Upstream output attenuator

BT App:

UPSTREAM > Output Attenuator >

0 ... 30 dB
1.0 dB steps

Handset: Upstream > US OutputAtt > 

4.4  Signal monitoring, ALSC and auto-alignment (

WISI

 VX 58 B)

(9)

Signal

monitoring 

module

Position of the signal monitoring socket for the 

WISI

 VX 58 B module.

The optional spectral monitoring module WISI VX 58 B provides a spectrally resolved 
level measurement. VX 52 B / VX 53 B leverages this for three main functionalities:
1. Spectral monitoring of the output downstream signal,
2. automatic level and slope control (ALSC) / pilot regulation, and
3. auto-alignment of downstream and upstream signal paths.

4.4.1  Spectral monitoring

VX 58 B makes use of an RF tuner for spectrally resolved level measurements of the 
amplifier‘s downstream output signal. Thus, the device can provide a quick and simple 
overview of the output signal on its user interfaces, without the need for external 
measurement equipment.

Содержание VX 52 B Series

Страница 1: ...n on your device please visit our support web site at wisiconnect tv and browse to Please read the instructions before using the equipment WISI COMPACT LINE VX 52 B VX 53 B series RF amplifier single output stage 417819 a 08 2019 Knowledge Base VX series Products VX 52 B VX 53 B http bit ly wisivx52_53b ...

Страница 2: ...5x B series Changeover to new layout and outline VX 58 B Signal monitoring ALSC auto alignment FW v1 0 0 20 HFC manager v2 1 8 This document was split off from the common manual for the VX 5x B series 414874 CE declaration of conformity Please find the declaration of conformity at our website https www wisi de en communications service download area Then navigate through CE Declarations of Conform...

Страница 3: ...41 6 3 2 Bluetooth interface WISI HFC manager 7 3 3 Remote control via HMS transponder WISI VT 52 B 10 3 4 Remote control via FSK receiver module WISI VT 21 13 4 Installation and maintenance 14 4 1 Remote powering 14 4 2 Downstream configuration 15 4 3 Upstream configuration 18 4 4 Signal monitoring ALSC and auto alignment WISI VX 58 B 21 4 5 Firmware update 26 5 Functional diagram 27 6 Service an...

Страница 4: ...on anti static precautions when handling the equipment 1 2 Electrical safety Risk of bodily injury from electric shock Failure to adhere to these instructions could result in personal injury and or damage to electrical components The equipment must be grounded in accordance to local and national electrical standards The device is started up immediately when the power plug is inserted into the main...

Страница 5: ...na WISI LB 01 RF output 1 RF output 2 RF loop through RF input Outer overview on the housing features of the amplifier Housing accessories WISI type Description Notes XE 29 Cabling kit for remote power insertion for VX 53 B ZG 27 PG 11 case connection for WISI MK 15 cable ZG 28 PG 11 adapter F female ZG 35 A PG 11 adapter 3 5 12 female pre equipped on VX 53 B CC VX 53 B CH01 LB 01 Bluetooth antenn...

Страница 6: ...erfaces of the amplifier 3 1 Handset interface WISI OH 41 NOTE The VX 52B 53B only works with handsets OK41A and OH41 OK41 is out dated and not compatible Handset basics Parameter menu keys Select parameter key Open parameter sub menu key Back Parameter sub menu keys Select digit to be changed cursor blinks under the active digit keys Change the value Saving After completion of all settings press ...

Страница 7: ...s The figure below shows the security levels and the according security mecha nism Level 1 Button activation The BT activation button inside the node see figure above opens the bluetooth inter face for connections The button activation behavior can be modified via handset Button activation behavior Handset Bluetooth BT Function timeout on off default timeout Level 2 Key authentication If Bluetooth...

Страница 8: ...nce paired a BT device is put on the access list If ACL restriction is enabled the amplifier will only allow clients within this list to connect The list is cleared by switch ing the ACL restriction filter off ACL restriction Handset Bluetooth BT MAC Filter filter off filter on default filter off 3 2 2 Get the app WISI HFC manager Please install the android app from the Google Play Store https pla...

Страница 9: ...te with the active Bluetooth devices nearby Device scan list example Select your device and wait for the connection to be established Once connected the Bluetooth logo in the upper right corner will show the connection quality The start screen provides a selected set of device details Device overview including module recognition example The menu is available through the blue logo in the upper left...

Страница 10: ...f the transponder socket for the WISI VT 52 B 3 3 1 Firmware compatibility Support for the HMS remote control of VX 52 B VX 53 B via VT 52 B is implemented since the following firmware revisions VX 52 B VX 53 B v1 0 0 20 or newer VT 52 B L03 01 01 000 or newer For compatibility reasons please make sure that both products are operating on a suitable firmware revision See section 4 5 on page 26 of t...

Страница 11: ...may take up to 30 seconds until the monitoring values in the user interface are updated 5 The HMS registration status will change from noHMSSignal to validHMSSig nal The upstream frequency is set by the HMTS validChnlDesc 6 Depending on the configuration of the registration interval in your HMTS it might take some minutes until the the HMTS starts the registration process HMS reg istration status ...

Страница 12: ... commonForwardPathReceiveLevel HMS registration status Handset Remote Modul Reg State noHMSSignal validHMSSignal validChnlDesc startREG sendREGREQ successREG SNMP OID 1 3 6 1 4 1 7465 20 2 3 2 10 0 hfcRegistrationState HMS upstream level Handset Remote Modul US Level default 90 dBµV 0 1 dB steps SNMP OID 1 3 6 1 4 1 5591 1 3 5 3 0 commonProvisionedReturnPowerLevel HMS MAC address Handset Remote Mo...

Страница 13: ... com 13 Operating instructions VX 52 B VX 53 B series RF amplifier single output stage 3 4 Remote control via FSK receiver module WISI VT 21 WISI VT 21 FSK receiver module in socket 11 Position of the FSK receiver socket for the WISI VT 21 Fostra F compatible ...

Страница 14: ...Installation and maintenance 4 1 Remote powering Adapt the remote powering configuration to specific requirements by un plugging the provided fuses according to the following block diagrams Functional diagram of the power supply circuitry Spare fuses Fuse removal tool Power supply covering Do not remove Features around the power supply compartment ...

Страница 15: ...X 53 B series RF amplifier single output stage F1 Fuse for RF input F2 Fuse for RF loop through F3 Fuse for RF output 2 F4 Fuse for RF output 1 RF input RF loop through RF output 2 RF output 1 Location of the fuse sockets inside of the amplifier 4 2 Downstream configuration Downstream block diagram ...

Страница 16: ...ut configuration Sockets 1 and 6 The nominal RF input level for the VX 52 B VX 53 B is 70 dBμV per channel If due to special signal scenarios the input signal is strongly sloped or much higher than the nominal level pluggable input configuration modules can be used in order to facilitate the signal alignment Plugged into slot 1 for input configuration the tap modules will effect their tap loss in ...

Страница 17: ...B 9 dB The jumper socket for impedance matching of the open RF loop through port enables the use of input taps and splitters as bare attenuation modules by mitigation of undesired backreflections from the unused port 4 2 2 Diplex filters Sockets 2 and 5 Please see upstream section 4 3 1 on page 19 for details 4 2 3 Universal modules for level alignment Sockets 3 and 4 WISI type Description Notes B...

Страница 18: ...pivot frequency BT app DOWNSTREAM Input Equalizer Frequency Mode 1006 MHz 1218 MHz Handset Downstream BorderFreq Input equalizer BT app DOWNSTREAM Input Equalizer Input Equalizer 0 15 dB 0 1 dB steps Handset Downstream BorderFreq Interstage slope BT app DOWNSTREAM Interstage Slope 0 15 dB 1 0 dB steps Handset Downstream InterStageSlope Interstage attenuator BT app DOWNSTREAM Interstage Attenuator ...

Страница 19: ...rt 6 Output configuration TP2 Test port US amp out Upstream hardware features Flip open the shielding on the right side for access to the output modules 4 3 1 Input and output diplexer modules Sockets 2 and 5 WISI type Description Notes Surge protection filter Downstream only pre equipped in standard types XE 50 B 0650 Diplex filter 65 85 MHz pre equipped in VX 52 B CC VX 53 B CC VX 52 B CH01 VX 5...

Страница 20: ...ule for upgrading a VX 50 B 0650 to 204 MHz 4 3 3 Upstream level and slope alignment Upstream high pass filter In order to suppress low frequency disturbances in the upstream transmission spec trum a 12 MHz high pass filter can be activated If payload carriers populate the spectral range 5 12 MHz the filter should stay disabled BT app UPSTREAM US 1 2 12 MHz HP on off default off Handset Upstream 1...

Страница 21: ...al spectral monitoring module WISI VX 58 B provides a spectrally resolved level measurement VX 52 B VX 53 B leverages this for three main functionalities 1 Spectral monitoring of the output downstream signal 2 automatic level and slope control ALSC pilot regulation and 3 auto alignment of downstream and upstream signal paths 4 4 1 Spectral monitoring VX 58 B makes use of an RF tuner for spectrally...

Страница 22: ...able stored in the VX 52 B VX 53 B should match your downstream channel lineup The channel table consists of semicolon separated values in a csv file with the fol lowing line format frequency modulation format CR LF frequency RF channel frequency in kHz PAL carrier frequency QAM center frequency Column separator semicolon modulation format CW unmodulated PAL QAM necessary for correct sensor calibr...

Страница 23: ...ee section 3 6 4 3 Choose one or two reference channels pilots from your RF channel lineup and set the pilot frequency and the pilot modulation format accordingly 4 Normalizing the ALSC stores the currently measured pilot levels as ALSC refer ence level 5 Activate the regulation by setting the ALSC mode to the number of pilots you have configured ALSC mode BT App ALSC ALSC Mode ALSC off one pilot ...

Страница 24: ...frequency and the pilot modulation format accordingly If possible select two frequencies far apart from each other 4 Enter the target downstream level and the target downstream slope which you want the amplifier output to provide 5 In order to have the auto alignment estimate the transmission loss of the incoming cable span enter the previous downstream level and previous downstream slope This est...

Страница 25: ...FF Handset ALSC Unit ALSC Type 1 2 Target downstream level BT App AUTO ALIGNMENT Nominal SysLev 80 115 dBµV 0 1 dB steps Handset ALSC Unit AALIG SysLevel Target downstream slope BT App AUTO ALIGNMENT Target Slope 0 30 dB 0 1 dB steps Handset ALSC Unit AALIG SysSlope Previous downstream level BT App AUTO ALIGNMENT Previous SysLevel 80 115 dBµV 0 1 dB steps Handset ALSC Unit AALIG PrevLevel Previous...

Страница 26: ...t fit your amplifier type or if the processor is stuck in bootloader mode you can enter the expert mode in order to choose an image file for the upload NOTE Wrong firmware selection may cause malfunctions 4 There is a direct link to the release notes on our support website wisiconnect tv 5 Tapping the Update button will start the update process The firmware upload can take up to 10 minutes Avoid d...

Страница 27: ...WISI COMPACT LINE WISI Communications GmbH Co KG wisigroup com 27 Operating instructions VX 52 B VX 53 B series RF amplifier single output stage 5 Functional diagram ...

Страница 28: ...tion and Software Updates Datasheets Quick Guides Manuals Firmware Updates Known Issues List etc Entitlements for your Units after registration Forum You can discuss or share information about product configuration FAQ Requesting access to the wisiconnect tv portal If you do not have a password for access to the portal please click the register link and fill in the required fields Login to wisicon...

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