User Manual
Contents
1. Fig 2 Fitting of the silicon elastomer on the AC1000 cover Teleste User Manual AC69x0 59300028 Rev 007 Broadband Cable Networks 31 5 2006 4 38 Connectors Indicators In AC8000 platform a shroud is attached to the lid to shield the electronics from electromagnetic interference The silicon elastomer must be attached to area provided in the shroud The transponder has an RJ 45 service port fig 1 pos 1 with RS 485 connection which can be used for local configuration with a PC and DVX021 cable or DVX012 programming unit Service port connector shielded RJ 45 socket Pin Signal Description 0 1 RS 485 DVX bus 38400 bps O 2 RS 485 DVX bus 38400 bps O 3 NC Not connected 4 NC Not connected 5 NC Not connected 6 NC Do not connect 7 12 V Output for aux equipment unfused O 8 GND Ground Depending on the unit the two leds on the front panel are labeled as STATION and MODEM AC6910 and AC6950 or ALSC AC6940 The following table further describes these indicators During the power up sequence both leds will display yellow light for a short period of time to indicate that leds are functional See also the Flags chapter for details of LED usage STATION LED Description ME crecn No alarms or warnings other than modem related yellow At least one warning no alarms Dec At least one alarm MODEM LED AC6910 D gs escripti2. the unit will start the search for HMTS Hybrid Management Termination System carrier within the transponder s tuning range and start the communication The HMTS will then set communication parameters such as transmitter frequency Status The current communication status between the transponder and HMTS is shown in the Connection status field with Initialising modem yellow Setting receiver yellow No data carrier yellow Waiting for channel info yellow Setting TX frequency yellow Waiting for TX stabilisation yellow Setting TX level yellow Preparing registration yellow Starting registration yellow Registration in progress yellow Waiting for confirmation yellow Registration complete green Uptime The Uptime field shows the time since the last reset or power up The format is days hours minutes and seconds Teleste User Manual AC69x0 59300028 Rev 007 Broadband Cable Networks 31 5 2006 15 38 Receiver The Frequency data field shows the used receiver frequency The Level data field shows the measured signal level A green background indicates legal values and yellow values below the receiver s dynamic range The Scan start and Scan stop fields determine the frequency band that the unit scans through when searching for the HEC carrier Scanning can be disabled
3. values parameters are essential to the communication and changing the values from the shown default values should be done only based on careful planning Packet statistics The Received field displays the total number of IP packets addressed to and received by this unit The Bad field displays the number of all bad packets received whether addressed to this unit or not and is a good indicator of the forward path condition Teleste User Manual AC69x0 59300028 Rev 007 Broadband Cable Networks 31 5 2006 17 38 SNMP This page is visible only with AC6910 HMS and AC6950 HMS transponders Optical Rx ALSC Gain RF Levels Spectrum Status Configuration Motherboard Transponder Properties Settings sysName Jac PM demo sysLocation PM demo room sysContact PM Read Write Trap Communities ou blic private fp ublic AlarmDetection Disabled Enabled Regenerate AlarmOnDelay 1000 ms AlarmOffDelay 1000 ms m Trap settings TrapSending enabled IV TrapDelay 500 ms Traplnterval 1000 ms TrapLifetime 60 s Fig 8 The SNMP page This page is used to control the SNMP agent parameters Please note that this page only contains a small subset of the agent parameters There are a number of parameters that are only readable and editable over the SNMP protocol The fields sysName sysLocation and sysContac are the main identification objects in the MI
4. 38 State The ALSC enabled is the master switch of ALSC Automatic Level and Slope Control functionality In addition to this selection ALSC also needs appropriate electrical adjustment module s installed for correct operation ALSC Adjustment ALSC works ALSC related flags enabled module s installed Yes Yes Yes Enabled Yes No No ALSC off given Other flags disabled No Yes No ALSC off given Other flags disabled No No No Flags disabled The data field next to checkbox displays the ALSC status ALSC OK ALSC is enabled and works properly ALSC off ALSC is disabled by user Tuner module error Internal error in AC6950 s tuner module ALSC error All pilots are missing ALSC saturated ALSC is saturated adjustments limits reached ALSC on pilot 1 only Upper or lower main and reserve pilots are missing ALSC controls gain only and slope control is frozen ALSC main pilot s missing Main pilot s missing ALSC uses reserve pilot s No interstage No interstage module installed All pilots lost action This setting defines how the ALSC operates when all pilot signals are lost Freeze gain and slope Gain and slope controls will keep the values they had immediately before the pilot signals were lost Goto Gain and slope controls will step to user defined values in the Gain and Slope data fields Control setting
5. 4C6170 ALSC status oo oo Gan 00 E Gan 30 d E pa E Tc jee Slope 00 dB Slope 30 dB E E Fig 15 The Gain page Input The Module type field displays the input module type The Gain and Slope fields and up and down buttons can be used to control the gain and slope values in 0 2 dB steps Interstage The Module type field displays the interstage module type The ALSC status field shows the status of ALSC If the station is equipped with AC6940 or AC6950 module and ALSC is enabled gain and slope are controlled by ALSC and the corresponding fields are read only The Gain and Slope fields and up and down buttons can be used to control the gain and slope values in 0 2 dB steps The gain and slope controls are read only if the ALSC function is enabled Teleste User Manual AC69x0 59300028 Rev 007 Broadband Cable Networks 31 5 2006 27 38 Level control ALSC This page is visible only with AC800 and AC8000 platforms equipped with AC6173 gain control module s Status Configuration Motherboard Optical Transponder Repair Log Properties ALSC Level Control RF Levels Spectrum ALSC Staus seo Input stage Midstage Module type ACB173 Module type AC6173 Level control 3 7 dB Level control 46 H dB From optical input level Manual Fig 16 The Level control page AC800 version shown
6. 5 MHz or 6 5 MHz can be selected with a DIP switch on the transmitter module s front panel Teleste User Manual AC69x0 59300028 Rev 007 Broadband Cable Networks 31 5 2006 23 38 Optical AC800 This page is visible only with AC800 platform Status Configuration Motherboard SEI Transponder Repair Log Properties m Receiver Transmitter Module Opt Tx Input level Pam dBm Laser current Bae m Alarm high limit 3 0 dBm Warming high limit 90 m Alarm low limit 70 dBm Warning low limit 10 m Deadband 05 dB Deadband 2 m Pilot On Off Fig 12 The Optical page AC800 version shown Receiver The measured optical input level of AC800 s integrated receiver is displayed in the Receiver frame The background color of the Input level data field changes according to related flags The alarm limits which control flag generation can be modified with Service user profile The deadband is read only information Transmitter The type of the transmitter module as well as the measured laser current is displayed in the Transmitter frame The background color of the Laser current data field changes to indicate alarms and warnings A green background means legal values yellow is the symbol for a warning The frame also displays the alarm limits after which the unit starts indicating alarms and warnings The limits can be modified with a Service user prof
7. 500 and AC1000 platforms equipped with AC684x or AC685x optical transmitter module Status Configuration Motherboard Transponder Repair Log Properties Optical Tx RF Power Status Pilot Module type AAC68340 On Laser current ea m Off Limits warming high 10 m Warning low 90 m Deadband 2 m Fig 14 The Optical Tx page Status The type of the module as well as the measured laser current is displayed in the Status frame The background color of the Laser current field changes to indicate alarms and warnings A green background means legal values yellow is the symbol for a warning Limits The Limits frame displays the limits after which the unit starts indicating alarms The limits are editable with Service user level The deadband is read only information Pilot The Pilot frame radio buttons control whether the transmitter module generates a pilot signal or not The pilot signal frequency 4 5 MHz or 6 5 MHz can be selected with a DIP switch on the transmitter module s front panel Teleste User Manual AC69x0 59300028 Rev 007 Broadband Cable Networks 31 5 2006 26 38 Gain This page is visible only with AC500 AC1000 and AC2000 platform equipped with AC617x gain slope control module s Status Configuration Motherboard Transponder Repair log Properties Optical Rx ALSC RF Levels Spectrum Input Interstage Module type AC6S10 Module type
8. 7 Broadband Cable Networks 31 5 2006 34 38 Spectrum This page is visible only with AC6940 or AC6950 transponder Status Configuration Motherboard Transponder RepairLog Properties Gain ALSC RF Levels 600 700 8500 900 1000 Ref level 120 H dBu Scale dB div De sloped view NONE dB Limits M Show Tolerance fo Start 0 MHz ABW 1 5 MHz Sweep 6 s Stopf1000 MHz Redraw Analyser settings Fit view M AnalyserON Current sweep file File gt gt Device Face Restart sweep AC_Kanavataulu Device gt gt File Fig 20 The Spectrum page de sloped view The spectrum analyser feature of AC6940 and AC6950 displays multiple level measurements simultaneously in a graphical spectrum analyser display Up to 200 measurement frequencies with individual PAL QAM selection and high low limits can be specified with a simple text file The measurement results can also be saved back to a text file Display settings When the viewer page is opened for the first time the measurement result table is retrieved from the device and displayed The graphical display is automatically scaled so that all measured frequencies are visible and the level scale is set to 10 dB div The display can then be zoomed or re centered by entering new values into start and stop frequency reference level and scale dialogs and clicking Redraw button The Fit view button scales the d
9. B 2 System group The values typed in here may be used to identify the amplifier or node station and should be based on a network plan The text edit boxes accept up to 64 alphanumeric characters Community names are the weak security method of SNMPv1 to limit access to the manageable objects These should match with the community names used by the SNMP manager and should therefore be based on a plan as well AlarmDetection control the agent s HMS SNMP alarm log handling Disabled New alarms will not be recognised the alarm log will keep the old alarm information Enabled New alarms will be logged Regenerate The alarm log will be erased and the alarm status is set to Enabled to recognise new alarms AlarmOnDelay and AlarmOffDelay These variables set the time that the alarm has to be active or deactive before the change is logged Teleste Broadband Cable Networks User Manual AC69x0 59300028 Rev 007 31 5 2006 18 38 Trap settings These settings control the sending of SNMP traps TrapSending enabled TrapDelay TrapInterval TrapLifetime When checked traps will be sent Defines the delay between a detected alarm and the corresponding trap The delay can be used to e g smooth out trap storms in cascaded amplifiers by using larger delay values deeper in the cascade Defines the minimum time between subsequent traps This will also smooth out trap storms in case an agent needs to send severa
10. Teleste User Manual AC69x0 59300028 Rev 007 Broadband Cable Networks 31 5 2006 1 38 ACcess Series User Manual Teleste Corporation STATION MODEM 1 ome AC6910 AC6940 amp AC6950 AC Platform Transponder Teleste User Manual AC69x0 59300028 Rev 007 Broadband Cable Networks 31 5 2006 2 38 Introduction AC6910 and AC6950 are transponders for the AC amplifier and node platform AC6910 has a wideband RF power meter AC6950 has an electrically controllable tuner level measurement and ALSC unit Both transponders can be plugged into any AC platform Both transponders are also available as HMS compatible versions AC6910 and AC6950 can be changed to AC6910 and AC6950 HMS with software download and vice versa Therefore all hardware related information in this manual applies to both CATVisor and HMS versions AC6940 is a modemless ALSC controller unit for the AC node platform It has an electrically controllable tuner measurement and ALSC unit but no RF modem AC6940 can be plugged into any AC platform but is mainly intended to be used with AC8000 and AC800 nodes AC6910 AC6950 AC69x0 feature map AC6910 AC6940 AC6950 HMS HMS CATVisor modem SW HMS modem SW RF power measurement RF level measurement e e e ALSC possible VERSION INFORMATION this document is based on CATVisor software version 1 11 0 HMS software version 1 4 0 Hardware version AC6910 E AC6940 B AC6950 D Viewe
11. The ALSC Status field displays the status of the ALSC circuitry Input stage The Module type field displays the input module type The Level control field and up and down buttons can be used to control the level value in 0 2 dB steps In AC800 it is possible to use OLC Optical Level Control if AC6173 module is installed into input module slot OLC can be enabled by selecting From optical input level It changes Level control field to read only and adjusts input level control based on the optical input level to keep AC800 s internal amplifier input signal level at its optimum value At input levels lt 5 dBm the input level control is 0 dB above this each 1 dBm increase in optical input level causes level control to go down 2 dB For input levels gt 0 dBm the level control will be 10 dB The level control adjustment deadband is fixed at 0 5 dB i e changes less than this value will not be corrected OLC will react instantaneously to changes i e it does not have stepping feature as in ALSC Midstage The Module type field displays the midstage module type The Level control field and up and down buttons can be used to control the level value in 0 2 dB steps when ALSC is disabled When ALSC is enabled it Teleste User Manual AC69x0 59300028 Rev 007 Broadband Cable Networks 31 5 2006 28 38 has the control and this field is read only with background color indicating ALSC status Teleste Us
12. ak detect Analog and averaging QAM with the radio buttons Teleste User Manual AC69x0 59300028 Rev 007 Broadband Cable Networks 31 5 2006 32 38 The Target level data field shows the pilot signal level that the user has selected as reference for the ALSC function This field is N A if there is no gain or slope control module installed The Measured level shows the measured level of pilot signal When ALSC is enabled the background color of the data field indicates the current status and corresponds to the module flags Signal level monitoring These settings control the signal level monitoring which can be used for monitoring a single frequency with low and high alarm limits The measurement range is 50 860 MHz with 0 25 MHz steps Measured signal level is displayed in the corresponding data field The background color of the data field indicates the current status and corresponds to the level flags If more than one frequency needs to be measured spectrum analyser limit testing feature should be used instead Gain level and slope ALSC Notice If gain or slope control module is not installed these controls are N A otherwise they show the same values than in Gain or Level control page If ALSC is enabled these are read only with background color indicating ALSC status In AC800 and AC8000 these fields are replaced with Midstage and Level control fields respectiv
13. and receiver frequency information After that it can begin the registration process If a valid CHNLDESC is not received during the timeout interval the scanning advances When the transponder is in the registered state the handling of the CHNLDESC timeout is slightly different In order to stay registered the MAC layer must receive regular CHNLDESC packets As there is always the possibility that a datagram is corrupted the used timeout is set to twice as long as the set timeout to allow one lost CHNLDESC datagram After that the transponder declares the forward channel lost and starts to scan for another channel The Poll timeout is used in the registered state If the transponder does not receive any packets to its own MAC address during the MAC poll interval it restarts the registration process provided that the forward channel is present and a CHNLDESC is received Setting the Poll timeout to zero disables the timeout handling and enables non polling use of the communication channel Thus the transponder stays registered as long as the forward channel is sending CHNLDESCs or the transponder is not reset or commanded to re register by the HMTS Teleste User Manual AC69x0 59300028 Rev 007 Broadband Cable Networks 31 5 2006 16 38 MAC The MAC group box allows the user to control the various parameters used in the backoff process in case a collision happens in the return path transmission Correct backoff
14. by setting the start and stop frequencies to the same value The scanning speed can be improved by limiting the scanning range The default and maximum range is 85 118 MHz The scan will start from the last known HMTS carrier frequency The Scan step field sets the frequency increments of the scanning process Transmitter The Frequency data field shows the used transmitter frequency commanded by the HMTS The Level data field shows the transmitter signal level and can be edited within the unit s output level range 80 95 dBuv Addresses The IP address field is used to define the IP address of the unit The address has to be unique and match the HMTS s IP settings to ensure proper operation and IP level communication with the HMTS The Addresses group box shows also the unicast MAC address as well as the configurable Multicast MAC address Timeouts The CHNLDESC timeout defines how long to wait for the channel descriptor datagram This value should match with the channel descriptor transmit interval on the HMTS so that the transponder timeout should be longer than the transmit interval Therefore the default value is set to 35 seconds to match with the 30 second transmit interval defined as maximum by the HMS standards CHNLDESC timeout is used to distinguish a valid HMS channel After the transponder has detected an RF carrier it must wait for the CHNLDESC datagram to get the transmitter
15. connection through a HMTS Some of the communication parameters have to be set locally before this More detailed hardware requirements and software installation instructions can be found from the Commander User Manual supplied with the software Teleste User Manual AC69x0 59300028 Rev 007 Broadband Cable Networks 31 5 2006 6 38 Flags All module flags displayed in Commander and CATVisor EMS with corresponding LED behaviour are described in the table below Note that if a flag is suppressed it doesn t affect leds Alarms red flag Description Station Modem ALSC Temperature high Temperature is over high alarm limit red AC voltage low AC voltage is below low alarm limit red 24V voltage low SM ae low alarm limit In AC8000 this flag is common for red 12V voltage low 12V voltage is below low alarm limit red Unknown module Transponder is not able to recognise and control other module s red Possible reason is too old embedded software Transponder internal error Transponder has an internal error If resetting the unit doesn t help it red red red should be sent to service Optical Rx 1 level high Optical receiver 1 power level is over high alarm limit red Optical Rx 1 level low Optical receiver 1 power level is below low alarm limit red Optical Rx 2 level high Optical receiver 2 power level is
16. e defines one measurement frequency preferably in ascending order Each line has 2 4 fields separated with tab characters and dot as the decimal separator 1 The frequency is in MHz and can be written with an additional two decimal places in multiples of 0 25 MHz Rounding is made downwards to the nearest multiple 2 The detector mode as P or PAL for peak detection or Q or QAM for averaging measurement Detector mode designation is not case sensitive 3 Optional low limit is in dBuV in multiples of 0 5 dBuV Rounding is made downwards to the nearest multiple 4 Optional high limit is in dBuV in multiples of 0 5 dBuV Rounding is made downwards to the nearest multiple Comments e g channel name can be inserted at the end of the line preceded by a tab character or on a separate row which starts with a non numeric character Comments are for information only and will not be downloaded into the device and so they are lost if result table is uploaded back from device Teleste Broadband Cable Networks User Manual 59300028 31 5 2006 AC69x0 Rev 007 36 38 An example of a valid sweep file 113 121 126 133 00 25 25 QAM Q P PAL 98 0 25 103 5 101 Channel S2 Channel S3 Another comment The result file format is identical to the sweep file format except that it has a header row and a 5th column which contains the measurement results An example of a result f
17. e fields will reset RF modem communication Packet statistics The Received field displays the total number of IP packets addressed to and received by this unit The Sent field displays the total number of IP packets sent by this unit The Bad field displays the number of all bad packets received whether addressed to this unit or not and is a good indicator of the forward path condition The Reset button will reset all packet counters to zero Teleste User Manual AC69x0 59300028 Rev 007 Broadband Cable Networks 31 5 2006 14 38 Transponder HMS This page is visible only with AC6910 HMS and AC6950 HMS transponders Status Configuration Motherboard gituuu SNMP Repair log Properties Status Registration complete Uptime 1 d 05 07 10 m Receiver Addresses Frequency 86 0 MHz IP 10 2 TA 182 Level 67 dbp UnicastMAC 009050007071 Scan start 85 0 MHz Multicast MAC FFFFFFFFFFFF v Scan stop 87 0 MHz Timeouts Scanstep 01 MHz CHNLDESC 30 s Poll 300 s m Transmitter MAC Frequency Fen MHz Period 6 ms Kmin 6 Level 88 dByV Ack timeout 13 msKmax 15 Min level 88 dB Retries 16 Max level 22 dBp Packet statistics Received 7968 Bad 2533 Fig 7 The Transponder HMS page The Transponder page displays all the data and settings of a HMS transponder s RF modem After the power up sequence
18. ed with double power supplies hence the second 24 V 2 field Note that if only one power supply is installed the corresponding low voltage alarm limit should be set to zero to avoid false low voltage alarms There is also a possibility to connect one external voltage or alarm line to AC8000 and monitor its status through 24 V 2 field instead of the second PSU s 24 V voltage Teleste User Manual AC69x0 59300028 Rev 007 Broadband Cable Networks 31 5 2006 12 38 Transponder non HMS This page is visible only with non HMS AC6910 and AC6950 transponders Status Configuration Motherboard MARES sate m Receiver Communication settings Frequency 85 0 MHz IP address 10 9 160 2 Level ez dB Net mask 255 255 255 255 Scan start 85 0 MHz MAC address 009050009655 Scanstop 118 0 MHz m Device group Scanstep 0 1 MHz 1M 2M 3M 4M m Transmitter 5M Bil FM Bil Frequency 120 MHz Level EJ dBy gt Packet statistics Hin level so dByy Received 2066 Bad 0 Max level 95 dBy Sent 2059 Reset Repair Log Properties Fig 6 The Transponder non HMS page The Transponder page displays all the data and settings of the transponders RF modem After reset the unit will start the search for HEC headend controller carrier within the transponders tuning range and start the communication The HEC will the
19. ely This checkbox is identical to ALSC enabled selection on ALSC viewer page The Notice field from Repair log viewer page is shown as read only on the bottom of RF levels page allowing the field to be used e g as a reminder for the pilot settings Teleste User Manual AC69x0 59300028 Rev 007 Broadband Cable Networks 31 5 2006 33 38 RF Power This page is visible only with AC6910 transponder Status Confiquration Motherboard Transponder Repair Log Properties Gain RF power Measured RF power 0 35 dB Raz dB Alarm low 20 dB Warning high 26 dB Deadband 2 Fig 19 The RF power page The AC6910 transponder HW ver D and up has a wideband RF signal power detector for monitoring the output RF power The Measured RF power field displays the measured RF power in the measurement range as a value between 0 and 35 dB The background color of the field changes to indicate alarms and warnings If the measured level is outside the absolute limits of the measurement dynamic range the field will display either lt 0 or gt 35 depending on the level value The RF power group box also allows the user to set the low alarm and high warning limits The absolute value of the limits has no meaning they should be set so that they are for example 3 dB above and below the measured value in a correctly adjusted network Teleste User Manual AC69x0 59300028 Rev 00
20. er Manual AC69x0 59300028 Rev 007 Broadband Cable Networks 31 5 2006 29 38 ALSC This page is visible only with AC6940 and AC6950 transponder and e AC1000 or AC2000 platform with AC6170 gain and slope control module in interstage slot or AC6173 gain control module in input slot and AC6175 slope control module in interstage slot e AC800 or AC8000 platform with AC6173 gain control module in midstage slot Status Confiquration Motherboard Transponder Repair log Properties Optical Rx ALS Gain RF Leves Spectrum State M ALSC enabled ALSC off All pilots lost action Freeze gain and slope Goto Gain 04 dB Slope 0 4 dB m Control settings Control deadband 1 0 dB Pilot lost decision level 70 0 dBp Fig 17 The ALSC page AC1000 version shown The ALSC function can be used to keep the output signal level stable irrespective of input signal level variations The AC6940 or AC6950 module measures the levels of the pilot signals and adjusts the AC617x module s Gain and slope values are slowly adjusted in 0 2 dB steps to prevent oscillation in long amplifier cascades With dual pilots in AC1000 or AC2000 the high pilot controls the gain and the difference between high and low pilots controls the slope The ALSC functionality is controlled via this and RF levels page Teleste User Manual AC69x0 59300028 Rev 007 Broadband Cable Networks 31 5 2006 30
21. er high warning limit yellow Optical Tx 2 laser current low Optical transmitter 2 laser current is below low warning limit yellow Spectrum out of limits Spectrum analyser measurement results are not within high low limits yellow AC6940 and AC6950 ALSC saturated ALSC is saturated ie adjustment limits have been reached yellow yellow Not generated if ALSC is switched off AC6940 and AC6950 AC6950 AC6940 Upper or lower main and backup pilots are missing ALSC is controlling yellow yellow ALSC on 1 pilot only gain only slope is frozen Not generated if ALSC is switched off or there AC6950 AC6940 is no slope adjustment possibility AC6940 and AC6950 Signal level high User defined signal level is over high warning limit AC6940 and AC6950 yellow or RF power level is over high warning limit AC6910 Notifies blue flag Description Station Modem ALSC Lid open Lid sensor light level has been over limit during last minute Return path off irl path is turned off In AC8000 this flag is common for both return Return path 6dB Return path is attenuated 6 dB In AC8000 this flag is common for both return paths Settings changed Unit s settings have been modified by user either locally or remotely during last minute Service terminal connected There has been activity on local service connector during last minute Commanded transmit level is outside dynamic range modem transmit Modem transmit level ae A saturated level is saturated at minimum or max
22. f these fields will reset RF modem communication Transmitter The Frequency data field shows the used transmitter frequency commanded by the HEC The Level data field shows the transmitter signal level The background color of the Level data field changes to indicate a notification A green background indicates legal values and blue color indicates that the transmit level is saturated i e HEC commands a higher or lower level that can be used The range for transmit signal level can be set in the Min level and Max level fields The default and maximum range is 80 95 dBuV Changes in these values will be taken into use immediately if HEC s ALC is enabled and will not reset RF modem communication Communication settings The IP address field is used to define the IP address of the unit The address has to be unique and match the HEC s IP subnet settings to ensure proper operation and IP level communication with the HEC The Net mask field defines the corresponding IP subnet It is only needed for broadcast software updates and has to be set according to the HFC subnet of the HEC otherwise it can be left as 255 255 255 255 The MAC address is the unit s unique read only hardware address Manageable devices in the same HFC network can be divided into different device groups The Device group check boxes can be used to group transponders under multiple HECs Changing any of thes
23. ferent in AC2000 and AC8000 because of the two return path controls and power supplies Return path Misc The Return path frame consists of three radio buttons which are used to control behavior of the return path Note that the incoming return path RF signal will be completely cut off by the Off selection and will thus also disconnect all other transponders behind this AC amplifier or node In AC2000 and AC8000 platform there are two independent return path controls A light sensor in the front panel of the AC69x0 unit fig 1 pos 4 provides indication for the Lid state In dark environment the lid status field may display Closed even if the lid is opened The background color of this field will change to blue to indicate a notification A green background color is used for the Closed status The Service terminal data field shows the status information about the service port connection If there has been activity on the local service connector during the last minute the Service terminal data field will display ON The background color of this field will change to blue to indicate a notification A green background color is used for the OFF status Measurements and limits This frame is used to show both read only information about the present voltages and temperature as well as their editable warning and alarm limits In case these limits are reached the unit raises a warning or alar
24. hat the unit does not indicate any module errors or signal warnings Each status flag is color coded according to its severity Correct programming and signal adjustment usually turn off the signal warnings For additional information about status flags see table of module flag descriptions in the Flags chapter It is possible to hide the less critical flags by checking the corresponding check box for warnings or notifications The Flag suppression button available only in Service profile opens a new window in which it is possible to hide any flags from the unit Flag suppression active text appears below the Flag suppression button whenever at least one flag is suppressed For more information about flag suppression see the Flags chapter Teleste User Manual AC69x0 59300028 Rev 007 Broadband Cable Networks 31 5 2006 9 38 Configuration Optical Rx ALSC Gain RF Levels Spectrum Status Configuration Motherboard Transponder Repairlog Properties Local power 4C1000 AMPLIFIER AGSS50 JDA300 __ JDASO0 ACEI JDA304 ACEIIO CXF065 aceno output 3 aceta acero fu E None ew A DE Ec Ec Ec Is sid Fig 4 The Configuration page AC1000 shown The Configuration page displays a graphical view of the current configuration similar to the actual amplifier or node layout and also generates a set of viewer pages individual to each active device I
25. ile The deadband is read only information The Transmitter frame includes also Pilot radio buttons that control whether the transmitter module generates a pilot signal or not The pilot signal frequency 4 5 MHz or 6 5 MHz can be selected with a DIP switch on the transmitter module s front panel Teleste User Manual AC69x0 59300028 Rev 007 Broadband Cable Networks 31 5 2006 24 38 Optical Rx This page is visible only with AC500 and AC1000 platforms equipped with AC6810 or AC6820 optical receiver module Status Confiquration Motherboard Optical Transponder Repair log Properties Optical Ax RF Levels Spectrum Status Module type 4C6810 Optical level o8 dBm Limits Alarm high 3 0 dBm Alarm low 4 0 dBm Deadband 0 5 dB Fig 13 The Optical Rx page Status The type of the module as well as the measured optical input level is displayed in the Status frame The background color of the Optical level data field changes to indicate alarms A green background means legal values and red is the symbol for an alarm Limits The Limits frame displays the limits after which the unit starts indicating alarms The limits are editable with Service user level The deadband is read only information Teleste User Manual AC69x0 59300028 Rev 007 Broadband Cable Networks 31 5 2006 25 38 Optical Tx This page is visible only with AC
26. ile produced by the above sweep file could be like this MHz 113 121 126 133 00 00 25 25 Type W W O O LoLimit HiLimit dBuV 98 0 95 103 5 101 100 5 99 5 101 98 Teleste User Manual AC69x0 59300028 Rev 007 Broadband Cable Networks 31 5 2006 37 38 Appendixes Appendix A DVX012 handheld programming unit user interface Due to the limitations of DVX012 s 16 x 4 character display and 4 key keyboard some parameters cannot be configured with DVX012 These include e g flag suppression some SNMP parameters alias name AC8000 input selection and Repair log Configuration and Spectrum viewer pages When DVX012 is connected to AC69x0 the flag list is displayed first Pressing gt will proceed to AC69x0 menu pressing will return to DVX012 Pressing or in AC69x0 menu hierarchy will change object or value gt confirms selection or enters menu cancels selection or returns to higher level Read only non selectable items are displayed first at each level DVX012 menus on AC69x0 transponder with ESW 1 11 0 Visibility of bolded items depends on the platform and configuration Items in italic are new in ESW 1 11 Teleste User Manual AC69x0 59300028 Rev 007 Broadband Cable Networks 31 5 2006 38 38 Appendix B Parameters stored in motherboard and transponder memory In addition to various calibrati
27. imum value i Generated only if modem is connected and minimum lt maximum ee ss One or both main pilot s are missing ALSC uses backup pilot s ALSC main pilot s missing Not generated if E switched off AC6940 and ACBO50 i Electrical adjustment module s installed but ALSC is switched off by ALSC off user Or ALSC switched on by user but electrical adjustment module s missing AC6940 and AC6950 Teleste Broadband Cable Networks User Manual AC69x0 59300028 Rev 007 31 5 2006 7 38 Flag suppression AC69x0 modules support flag suppression With flag suppression an irrelevant or not interesting flag can be hidden so that it never appears in CATVisor Commander or EMS system In Service profile there is a Flag suppression button on the Status page which opens the Flag suppression window below poses Flag suppression x HE ALARM Temperature high Me ALARM AC voltage low MEP ALARM 24 voltage low Me ALARM 12 voltage low Me ALARM Unknown module Refresh Me ALARM Transponder internal error Me ALARM Optical Rx 1 level high Me ALARM Optical Rx 1 level low Me ALARM Optical Rx 2 level high Apply Me ALARM Optical Rx 2 level low MIEY ALARM Tuner module error z Set All The window contains all available flags and their descriptions Flags can be hidden by deselecting the corresponding check box The flag suppression masks are saved in non volatile memory of the unit and therefore will be
28. isplay so that all measurement frequencies are visible Reset view button restores full scale display The RBW Resolution BandWidth is fixed to 1 5 MHz by the hardware The Sweep field displays the last elapsed time it took to scan through the complete set of measurement frequencies is displayed if first scan hasn t yet been completed The De sloped view drop down box can be used to simulate a view of a flat frequency response by reducing the level at the high end of the amplifier s response Signal level at 862 MHz is displayed with the attenuation specified in De sloped view signal level at 47 MHz is not affected at all and attenuation of the frequencies between these two are calculated using a standard coaxial Teleste User Manual AC69x0 59300028 Rev 007 Broadband Cable Networks 31 5 2006 35 38 Limits cable model The De sloped view function acts only as a visual aid for making adjustments and does not affect module operation in any way If the graphical display is clicked with mouse the frequency measured level and possible high low limit values of the clicked measurement are displayed next to the clicked point The Limits group box has two selections When Show is checked the low and high limit s for each measurement frequency are shown in the graphical display with blue and red triangles respectively If a measurement is over high limit it will be drawn in red if it is below lo
29. l traps Defines the time a trap stays in the traps queue in case something prohibits from sending the trap There are several reasons why the trap could not be sent No connection communication congestion HMTS has denied access to return path etc Teleste User Manual AC69x0 59300028 Rev 007 Broadband Cable Networks 31 5 2006 19 38 Repair log Status Configuration Motherboard Optical Transponder Eager Properties m Repair events fis 2 2005 l Add Date Repaircode Namecode 1 15 5 2005 AJM m Notice max 100 chars Kilroy Was Here Fig 9 The Repair log page The Repair log page can be used to store information about eventual repair events into the transponder s non volatile memory This information may then be used e g for statistical purposes Repair List The Repair events maintains a brief list of repair notes the user can add with the application The repair list contains 10 of the operator s recently added notes The date of the service can be selected from the pull down list The repair code and the name code can be entered in the edit boxes next to the pull down list Clicking Add adds these notes to the list A new item is added to the bottom of the list and the oldest entry is automatically deleted Notice Notice is a text entry field where a message can be left e g for the next service technician The message can c
30. m flag Correspondingly the background color of the measurement data fields changes to indicate the change A green background means legal values red is the symbol for an alarm and yellow for a warning Teleste User Manual AC69x0 59300028 Rev 007 Broadband Cable Networks 31 5 2006 11 38 The Deadband fields indicate the threshold needed to turn off the alarm flag E g a deadband of 0 2 V implies that the flag is turned off when the level is both between the limit values and 0 2 V past the warning limit The deadbands are read only information The Temperature fields show the limits for temperature levels of the unit There are separate warning and alarm limits for high temperature editable in Service user profile The factory default limits are defined separately for each platform based on their average internal vs ambient temperature The AC voltage field shows RMS value DC AC component of the remote supply voltage This value is calculated using sliding average and thus will react slowly to changes The limits are editable in Service user profile The factory default limit values are quite broad and should be adjusted according to the true AC voltage used if more accurate monitoring is required The 24 V and 12 V fields show the transponders internal operating voltage values The limits are editable in Service user profile and shouldn t be changed in normal operation AC8000 can be equipp
31. maintained until manually removed A suppressed flag does not affect LED indicators General and module specific viewer pages Configuration displays viewers include pages that are the same for all modules and module specific pages These general pages are always visible Status Configuration Motherboard Transponder except with AC6940 SNMP with HMS transponders Repair log Properties The module specific pages below are generated after visiting the Configuration page and are visible with the specified platforms and modules Optical AC8000 AC800 Optical Rx AC500 AC1000 AC2000 AC6810 AC6820 Optical Tx AC500 AC1000 AC2000 AC684x Gain AC500 AC1000 AC2000 AC617x Level control AC800 AC8000 AC617x ALSC AC6940 AC6950 AC617x RF Levels AC6940 AC6950 RF Power AC6910 Spectrum AC6940 AC6950 Teleste User Manual AC69x0 59300028 Rev 007 Broadband Cable Networks 31 5 2006 8 38 General Pages Status Configuration Motherboard Transponder Repair Log Properties Status Description i Notification Lid open i Notification Settings changed l Hide warnings p Flag suppression 7 Hide notifications e Flag suppression active Fig 3 The Status page The Status page shows unit s present status and possible alarm warning and notification codes flags Make sure t
32. n set communication parameters such as transmitter frequency and transmitter level Connection status The current communication status between the transponder and HEC is shown in the Connection status field with Scanning yellow searching for the HEC carrier wave Data carrier found yellow waiting for communication parameters Registering yellow registration in progress Connected green registration complete communication OK The number in parenthesis is a more detailed status indicator for diagnostics purposes ranging from 0 to 11 Receiver The Frequency data field shows the used receiver frequency The Level data field shows the measured signal level A green background indicates legal values and yellow values below the receiver s dynamic range The Scan start and Scan stop fields determine the frequency band that the unit scans through when searching for the HEC carrier Scanning can be disabled by setting the start and stop frequencies to the same value Scanning speed can be improved by limiting the scanning range The default and Teleste User Manual AC69x0 59300028 Rev 007 Broadband Cable Networks 31 5 2006 13 38 maximum range is 85 118 MHz The scan will start from the last known HEC carrier frequency The Scan step field sets the frequency increments of the scanning process default and minimum value is 0 1 MHz Changing any o
33. on dark Scanning for a communication channel green blinking Communication channel found 2 gt Q D a green Communication is OK receiver level OK yellow Communication is OK receiver level not OK red Internal error ALSC LED AC6940 Description dark ALSC off HS green ALSC OK yellow ALSC is saturated or on 1 pilot only ed All pilots are missing Teleste User Manual AC69x0 59300028 Rev 007 Broadband Cable Networks 31 5 2006 5 38 Software Establishing connection All the needed configurations and adjustments can be carried out locally or remotely by using the CATVisor Commander software It is recommended to use Commander version 2 4 or later A connection to AC69x0 is possible using the following methods Local serial port connection between the service port and a COM port of a PC using a DVX021 adapter cable When connecting choose Serial Port point to point connection with 38400 bps data rate Local connection between the service port and the DVX012 handheld programming unit AC6910 and AC6950 Remote IP connection through a HEC e g DMM201 The IP address has to be set locally before this It has to match the subnet settings of the DMM s HFC network interface and it must also be unique for each transponder Without a valid IP address remote communication with the transponder is not possible AC6910 HMS and AC6950 HMS Remote SNMP
34. on tables and factors which are stored in transponder non volatile memory the following user accessible parameters are stored in non volatile memory and restored after reset Parameter Storage Modem parameters RxFreq TxLevel DeviceGroup Transponder Repair log amp notes Transponder SNMP parameters Transponder Spectrum analyser settings Transponder IP address amp net mask Motherboard Alias name Motherboard Flag masks Motherboard Limits temperature voltage pluggable modules Motherboard Pluggable module settings gain slope pilot on off Motherboard Motherboard ingress switch Motherboard Pilot settings Motherboard RF power limits Motherboard ALSC settings Motherboard Configuration page data Motherboard Optical input selection Motherboard Note that gain and slope values of electrical adjustment modules are only stored to non volatile memory by user action through the viewer not when adjustments are made by ALSC After a power failure or other reset ALSC starts adjustment using the last values stored by the user
35. ontain up to 100 characters Clicking the Clear button clears this text entry field The notice text is also shown on the RF levels page allowing the field to be used e g as a reminder for the pilot settings Teleste User Manual AC69x0 59300028 Rev 007 Broadband Cable Networks 31 5 2006 20 38 Properties Status Configuration Motherboard Optical Transponder Repair Log WAOSAN m Motherboard Name JAC8000i Node Type 4C8000 Serial number KNO3450450 m Transponder Type 4C6950 Hardware version C1 4 Serial number DLOO520447 Software version 1 8 210 m Statistics Uptime 0 d 02 35 20 Total uptime 24 days Reset count OO 55 Fig 10 The Properties page The Properties page displays unit identification and statistics data Motherboard The user can enter a descriptive alias name for the station into the Name field such as site location etc Alias name can contain up to 63 alphanumeric characters 15 characters in ESW version 1 10 0 and below The type and serial number of the motherboard are read only information Transponder The type and hardware version of the transponder unit as well as the serial number and the software version are read only information Statistics The Uptime field shows the time since the last reset or power up The format is days hours minutes and seconds with lt 5 s day inaccuracy The Total uptime field shows the t
36. or receiver 2 selected gt transmitter 1 off transmitter 2 on If transmitter 2 is missing transmitter 1 is always active Receiver modules The type of the receiver modules as well as the measured optical input level is displayed in the Receiver modules frame The background color of the Optical level data field changes to indicate alarms A green background means legal values and red is the symbol for an alarm The Active radio button indicates which of the receiver modules is in use The frame also displays the Optical level limits which control flag generation The low limits are also used to control the automatic input selection All the limits can be modified with a Service user profile The deadbands are read only information Transmitter modules The installed transmitter modules as well as the measured laser currents are shown in the Transmitter modules frame The background color of the Laser current data field changes to indicate alarms and warnings A green background means legal values yellow is the symbol for a warning The frame also displays the Laser current limits which control flag generation The limits can be modified with a Service user profile The deadbands are read only information The Transmitter modules frame includes also a Pilot check box that controls whether the transmitter module generates a pilot signal or not The pilot signal frequency 4
37. otal number of full operating days of the transponder The Reset count field shows the total number of transponder resets Both counters have been introduced in ESW version 1 8 0 so they only include operation days and resets with ESW 21 8 0 and are displayed as N A with ESW versions below 1 8 0 Teleste User Manual AC69x0 59300028 Rev 007 Broadband Cable Networks 31 5 2006 21 38 Module specific pages Optical AC8000 This chapter describes the functions of the configuration specific pages All these pages except Optical in AC800 and AC8000 are generated after visiting the Configuration page This page is visible only with AC8000 platform Status Configuration Motherboard SEE Transponder Repair Log Properties m Input selection Return transmitters Automatic Both transmitters on Automatic manual restore DE One transmitter on i follows active receiver C Manual Ax 2 m Receiver modules Optical level limits Type Opticallevel Active Low High Deadband Rx i acea20 Mam 70 30 05 dBm Rx 2 aces20 Ram 70 30 05 Bm m Transmitter modules Laser current limits Module Laser current Pilot Low High Deadband Tat OptTx Rm w io 9 2 m Tx 2 Opm Rm v fio a9 2 m Fig 11 The Optical page AC8000 version shown Input selection These settings provide manual or automatic switchover between the two optical receive
38. over high alarm limit red Optical Rx 2 level low Optical receiver 2 power level is below low alarm limit red T Internal error in the tuner module AC6940 and AC6950 If resetting the uner module error 4 i x red unit doesn t help it should be sent to service ALSC error All pilots are missing Not generated if ALSC is switched off red red AC6940 and AC6950 AC6950 AC6940 Signal level low User defined signal level is below low alarm limit AC6940 and AC6950 red or RF power level is below low alarm limit AC6910 Warnings yellow flag Description Station Modem ALSC Temperature low Temperature is below low warning limit yellow Temperature getting high Temperature is over high warning limit but below high alarm limit yellow AC voltage high AC voltage is above high warning limit yellow 24V voltage high 24V voltage is over high warning limit In AC8000 this flag is common for yellow both power supplies 12V voltage high 12V voltage is over high warning limit yellow F RF modem receiver level is too low for reliable communication Modem receive level low z yellow Generated only if modem is connected Modem not connected RF modem is not communicating with HEC Optical Tx 1 laser current high Optical transmitter 1 laser current is over high warning limit yellow Optical Tx 1 laser current low Optical transmitter 1 laser current is below low warning limit yellow Optical Tx 2 laser current high Optical transmitter 2 laser current is ov
39. quency 90 00 MHz e Att a 950 dBp Notice Notice field usage example Pilots 599 25 MHz 583 25 MHz 90 00 MHz and 100 00 MHz Fig 18 The RF Levels page AC500 AC1000 AC2000 version shown The tuner RF level measurement unit of AC6940 and AC6950 sequentially measures signal levels at user defined frequencies and if enabled also the spectrum analyser frequencies If ALSC adjustments are needed more priority is given to pilot measurements AC800 and AC8000 differences The RF levels pages of AC800 and AC8000 are essentially the same than in AC500 AC1000 and AC2000 As there is no need for slope adjustment in these nodes there is only one pilot measurement and no slope control in AC800 s and AC8000 s RF Levels page AC2000 and AC8000 second output AC2000 and AC8000 platforms have dual outputs but ALSC only measures output 1 In AC8000 output 2 level automatically follows output 1 changes with the offset specified in the Offset to output 1 edit field of AC8000 RF Levels page In AC2000 output 2 slope is adjusted according to output 1 slope with the offset specified in AC2000 Gain page Main and Reserve pilots These pilot signal group boxes may be used to set the properties for both of the two pilot signal groups The high pilot frequency range is 300 800 MHz and the low pilot frequency range is 50 200 MHz The measurement detector can be individually selected for each frequency between pe
40. r modules in case the incoming signal is lost When Automatic is selected the node automatically selects the receiver according to their signal conditions e IF receiver 1 optical level is below low alarm limit or receiver 1 is not installed AND receiver 2 is installed AND receiver 2 optical level is above low alarm limit THEN switch to receiver 2 e IF receiver 1 optical level is above low alarm limit deadband OR both receivers optical levels are below low alarm limit THEN switch to receiver 1 When Automatic manual restore is selected the automatic input selection takes place in the same way as described above but the unit will not switch back to receiver 1 even if its signal is restored The user has to reset the switch back to the main input by manually selecting Manual Rx 1 and after that Automatic manual restore again The receiver can also be selected manually with Manual Rx 1 2 radio buttons Teleste User Manual AC69x0 59300028 Rev 007 Broadband Cable Networks 31 5 2006 22 38 Return transmitters When the Return transmitters selection is set to Both transmitters on both transmitters are forced to be active regardless of the receiver selection When One transmitter on follows active receiver is selected only one transmitter will be active and it will automatically follow the selected receiver i e receiver 1 selected gt transmitter 1 on transmitter 2 off
41. r version 1 11 0 Viewer file ACx u DLL WEEE Notice This product complies with the relevant clauses of the European Directive 2002 96 EC on Waste Electrical and Electronic Equipment WEEE The unit must be recycled or discarded according to applicable local and national regulations European Conformity This equipment conforms to all applicaple regulations and directives of European Union which concern it and has gone through relevant C conformity assessment procedures Teleste User Manual AC69x0 59300028 Rev 007 Broadband Cable Networks 31 5 2006 3 38 Hardware Installation C6910 TRANSPONDER STATION Fig 1 AC69x0 Transponder 1 Service port connection 2 Indicator for modem status AC6910 and AC6950 or ALSC status AC6940 3 Indicator for station status 4 Light sensor To install an AC69x0 unit first locate the correct installation position Snap off the segments of the shrouds break away type slot cover and remove the slot cover Insert the unit by pressing it gently into place The unit will fit only in one orientation To carry away the heat from the unit to the housing a silicon elastomer is used with AC6940 and AC6950 transponders After installation carefully attach the silicon elastomer 40 x 20 mm on the cover see fig 2 Be sure that the elastomer s adhesive surface faces the cover 8604092
42. s These settings are read only information Control deadband If the difference between measured and target pilot level is less than this adjustments are not started Once started adjustments will continue until the difference between measured and target pilot level is less than adjustment step size After this adjustments are no longer made until the difference exceeds this value again This feature prevents continuous adjustment and possible oscillation in long amplifier cascades Pilot lost decision level Below this level pilot signal is considered lost and backup pilot is taken into use Note that the ALSC page is somewhat different in AC800 and AC8000 but the pages differ from each other only with functions related to All pilots lost action Teleste User Manual AC69x0 59300028 Rev 007 Broadband Cable Networks 31 5 2006 31 38 RF Levels This page is visible only with AC6940 or AC6950 transponder Status Confiquration Motherboard Transponder Repair Log Properties Gain ALSC RF Levels Spectrum m High pilots yee Target Measured Main 593 25 MHz tg 1020 102 0 dep Gain Pat 04 Ale Reserve 593 25 MHz ndog 1020 101 5 dByV C QAM peo Anal Target Measured Main 90 00 MHz A ri 95 0 95 0 dBp Slope 0 8 dB Analog Reserve f 100 00 MHz C GAM 95 0 95 0 dB m Signal level monitoring TA ALSC imits Analog HI 1150 Measured Enabled Fre
43. t is important to start a configuration session by selecting first the Configuration page since the module specific pages are created after visiting this page Automatic configuration detection can identify only active plug in units displayed as gray boxes Passive devices are identified by blue texts Selecting a text tag representing a passive device will open a pull down selection list in which an appropriate device according the assembly can be selected The user also can type the desired information up to 12 characters 6 characters for fuses These passive devices do not have any monitoring or control parameters and the information entered in these fields do not affect unit operation in any way it s just a checklist In the AC6910 HMS and AC6950 HMS viewers it is also possible to control e g the return path relays through this page Teleste User Manual AC69x0 59300028 Rev 007 Broadband Cable Networks 31 5 2006 10 38 Motherboard Status Configuration SMAU Transponder Repair Log Properties m Return path Misc On Lid state oe c oe Service terminal OFF r Measurements and limits Low High Alarm Warning Waring Alarm Deadband Temperature an 20 65 75 Ez SE AC voltage Ea 27 70 Ea Yims BEY E 11 0 13 0 o2 v 24V E 23 0 25 0 oz v Fig 5 The Motherboard page AC500 AC800 AC1000 version shown The Motherboard page is slightly dif
44. w limit in blue otherwise in black The Tolerance field specifies how many measurements are allowed to be outside limits before the Spectrum out of limits flag is generated The default value 0 will generate the flag even if only one value is outside limits Tolerance allows fine tuning the limit testing so that e g it doesn t react to one missing TV channel The flag is set or cleared at the end of each measurement cycle Analyser settings The Analyser ON check box is the main switch for the spectrum analyser feature When checked AC6940 or AC6950 will cyclically measure the frequencies specified in the sweep file in addition to the standard four pilots and the user specified frequency measurements A typical time to complete a 100 point measurement cycle is less than 30 seconds depending on the amount of ALSC adjustments needed during the sweep The Restart sweep button clears the measurement results table and restarts the sweep The Current sweep file field displays the filename of the last sweep file downloaded to the device This name is derived from the first 15 characters of the file name The File gt gt Device and Device gt gt File buttons open a file dialog for transferring a sweep result file to from the device Sweep and result file formats The sweep file is a simple text file than can be edited with any text editor and most spreadsheet applications Each line in the sweep fil
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