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Publication no. 101557, Rev. T, November 3

, 2006

Page 108

Appendix O. Receiver and Transmitter Auto start

The STM SatLink Terminal can be configured to automatically restart tuning of the forward link after

having lost the forward link signal.

Likewise on the transmitter side, the STM SatLink Terminal can be configured to automatically try to

log-on to the Gateway when the return link has been lost. The Terminal will not try to log-on again

(despite autostart enabled) if the Terminal has been explicitly requested to log off and remain logged off

by the Gateway (e.g. receiving ‘Logon denied’ or ‘Transmit disable’ in the unicast TIM).

The CLI commands for enabling/disabling auto restart of the Rx and Tx are:

dvb rx autostart <on|off>
dvb tx autostart <on|off|traffic>

The normal factory default setting is that rx autostart is set to enabled and tx autostart is set to disabled.

Once the SatLink terminal has been correctly installed and commissioned by the Network Operator, it is

convenient to enable rx autostart and tx autostart as described in section 6.5.

When rx autostart and tx autostart are set to off (disabled), the STM SatLink Terminal will make one

attempt to acquire the forward link when issuing the CLI command

dvb rx start

. If this attempt fails,

a new attempt must be manually triggered by issuing the

dvb rx start

command once again.

When rx autostart is enabled and tx autostart is disabled, the STM SatLink Terminal’s reaction to the CLI

command

dvb rx start

is to continuously attempt to acquire the forward link until it succeeds or is

manually stopped (using CLI command

dvb rx stop

)

If the forward link acquisition succeeds, the

Terminal will enter a receive-only modus. Issuing the CLI command

dvb tx logon

will trigger the

Terminal to attempt a single log-on attempt. Upon failure, the

dvb tx logon

command must be

manually entered again in order to trigger a new log-on attempt. Alternatively, the CLI command

dvb tx

autostart on

can be used to trigger the log-on procedure and at the same time configure the terminal

to automatically retry to log-on if the log-on attempt fails or the terminal has been logged off for some

reason.

The CLI command dvb rx autostart on will not automatically trigger the forward link

acquisition procedure. The CLI command dvb rx start must be explicitly issued. This is

contrary to the CLI command dvb tx autostart on, where the initiation of the log-on

procedure is implicit.

Tx autostart set to enabled will overrule any rx autostart configuration. In other words, if the Tx autostart

is enabled and the forward link or NCR synchronisation is lost, the STM SatLink terminal will attempt to

retune/re-acquire the forward link regardless of rx autostart being enabled or not.

Содержание SatLink

Страница 2: ...rded to be the property of their respective companies regardless of whether or not registration is indicated Notice The information in this publication is subject to change without notice STM Norway A...

Страница 3: ...al configuration of parameters 24 6 3 Forward Link acquisition Tx power calibration and fine adjustment of antenna pointing and polarisation 32 6 4 Test of DVB RCS connection 37 6 5 Prepare the STM Sa...

Страница 4: ...NYMS AND ABBREVIATIONS 72 17 REFERENCES 73 APPENDIX A USING THE WEB INTERFACE 74 APPENDIX B ACCESSING THE COMMAND LINE INTERFACE VIA RS 232 75 APPENDIX C TFTP SERVER 78 APPENDIX D TELNET CLIENT 79 APP...

Страница 5: ...Link 1000 1900 1901 and 1910 are members of the STM SatLink Terminal family of DVB RCS Terminals They act as IP routers to interface one or more PCs for two way communication via the satellite network...

Страница 6: ...Terminal Software P N 101224 version 11 0 1 and later SatLink IDU HW models STM SatLink 1000 P N 103346 STM SatLink 1900 P N 100715 STM SatLink 1901 P N 102105 STM SatLink 1910 P N 103798 Ku band Equi...

Страница 7: ...section 6 2 The configuration of the terminal can be carried out using the configuration tools Command Line Interface Via RS232 Terminal emulator e g HyperTerminal Telnet Web interface SNMP Configura...

Страница 8: ...lightning storms Follow these guidelines when working with electrical equipment Disconnect all power and external cables before installing or removing a SatLink Terminal Do not work alone when potenti...

Страница 9: ...e DVB RCS gateway Flashes when IP packets are transmitted to the Satellite Interface the Gateway Ethernet Link Act Blue lights steadily when Ethernet connectivity is OK Flashes slowly when Ethernet pa...

Страница 10: ...DVB RCS gateway Flashes when IP packets are transmitted to the Satellite Interface the Gateway Ethernet Link Act Blue lights steadily when Ethernet connectivity is OK Flashes slowly when Ethernet pac...

Страница 11: ...te Interface the Gateway Ethernet Receive Blue lit when Ethernet packets from the local network are being received Transmit Blue lit when Ethernet packets are sent to the local network Table 5 SatLink...

Страница 12: ...trical safety authority in your country If the on off switch on the back panel is difficult to reach when the unit is fitted in the rack ensure that the mains outlet into which it is plugged can be re...

Страница 13: ...module input to the jack marked Tx Connect one coaxial cable from the LNB to the port marked Rx on the back panel Do not connect the Tx cable before the initial configuration of the STM SatLink Termi...

Страница 14: ...gle to NODE when connecting to an Ethernet switch or an Ethernet hub and toggle to HUB when connecting to a single PC For the STM SatLink 1000 and 1910 there is no push button on the back panel as Eth...

Страница 15: ...elect the Control panel and then open Network Connections Right click on the relevant Local Area Connection and select Properties A new window showing the Network Connection Properties will pop up In...

Страница 16: ...e user should verify that the Window clients are configured to obtain an IP address and DNS server address automatically Figure 11 shows the correct Windows XP configuration when the DHCP server is en...

Страница 17: ...N are supplied from the system operator or service provider Please configure the IP address Subnet mask Default gateway Preferred DNS server and optionally the Alternate DNS server as shown in Figure...

Страница 18: ...s to the CLI with privilege level 2 New users may be added with the CLI command user add existing users deleted with the CLI command user del and the password of the current user or users with lower p...

Страница 19: ...ip show ip addroute ip delroute 5 3 Logging of events The STM SatLink Terminal logs certain events to a log stored in RAM See Appendix L 5 for a list of the different events and needed actions Use th...

Страница 20: ...manager show x 1 device manager add func if ip mask x 1 device manager del func if ip mask x 1 device name name x 2 device contact contact x 2 device location location x 2 device show x 5 dvb popid i...

Страница 21: ...t 2 x 2 ip nat show 2 x 5 ip dhcp enable disable X 3 ip dhcp show X 5 ip dhcp leasetime time unit X 3 ip dhcp dns primary secondary X 3 ip dhcp exclude no X 3 ip gre add destaddr netmask tunnelipaddr...

Страница 22: ...minal 3 When turning on the STM SatLink Terminal first the Boot SW is loaded A message such as the one below is displayed on the CLI RS 232 when the boot SW starts Telnet is not available until the ap...

Страница 23: ...be opened for managing the terminal Local Echo must be enabled in the Telnet Client if the input from the keyboard shall be displayed Recommended Telnet clients are Tera Term see Appendix D PuTTY3 an...

Страница 24: ...Terminal geographical position Terminal population ID Target output power for transmission on the return link IP routing parameters Many DVB RCS networks support automatic configuration of the termin...

Страница 25: ...interface 2 is not used and interface 3 is the DVB satellite interface ip show Interfaces If IPAddress SubnetMask BroadCastAddr MTU Alias AdminStatus 1 10 10 20 1 255 255 255 248 10 10 20 7 1500 eth0...

Страница 26: ...DU receiver type to STM SatLink 403x Please make sure that the correct ODU transmitter BUC type is selected according to the table below as the return link communication will otherwise not work ODU Tr...

Страница 27: ...rminal is normally pre configured to use the Andrew Type 960 antenna If another antenna listed in the table above is to be used please enter the CLI command odu antenna type where type is the antenna...

Страница 28: ...r model being used i e STM SatLink 4033 or 4035 and display the detected model in the ODU Transmitter BUC Type field in the CLI odu show output Example odu lnb 20 selects the Invacom SPV 1SM LNB Use t...

Страница 29: ...minal using a standard GPS The STM SatLink Terminal position is entered in one of the following two formats a degrees minutes 1 100 minutes and direction b degrees minutes seconds and direction To con...

Страница 30: ...t 60 sets the altitude to 60 meters 5 Verify the Terminal position Enter the CLI command dvb pos show Example dvb pos show Latitude 59d 52 15 N 59d 52 9 N Longitude 10d 29 05 E 10d 29 3 E Altitude 60...

Страница 31: ...y switch between different satellites and transponders It is also a useful feature when the GW operator is changing the fwd link frequency or symbol rate Then the operator could configure both the cur...

Страница 32: ...2 7 Tx output power The last of the initial parameters to be configured is the transmit output power level This parameter sets the target EIRP level that the SatLink Terminal shall use when transmitt...

Страница 33: ...ion 6 2 4 That the Rx cable is properly connected to both the STM SatLink Terminal and the LNB That the signal level in to the IDU is between 0 dBm and 65 dBm 25 dBm and 65 dBm for SatLink 1900 1901 T...

Страница 34: ...t at maximum level operating at the P1dB compression point using the command dvb tx eirp max or alternatively the wanted EIRP level can be set to a given level for use in a system where the power leve...

Страница 35: ...30 1 RF Wanted 30 7 RF Measured 30 6 If output 26 6 ODU output level stabilised Saving configuration Note CW transmission is still enabled to allow for crosspolarisation adjustment of the antenna Con...

Страница 36: ...adjust the antenna pointing until the CW power level detected by the control centre is within their requirements 6 3 4 Fine adjustment of antenna polarisation Ask the control centre if the measured le...

Страница 37: ...the STM SatLink Terminal Example device show System Information Name Terminal 1025 Location Oslo Contact satlink support stmi com System time Thu Nov 20 12 03 15 2004 HW Model SatLink 1000 HW ID 10334...

Страница 38: ...privilege level 2 e g install user before completing the following operations 1 Configure the STM SatLink Terminal to automatically start the receiver by typing the CLI command dvb rx autostart on Set...

Страница 39: ...guration of the DHCP server The terminal administrator has the possibility to configure the following parameters Server Status Enable or disable the STM SatLink Terminal LAN DHCP server Lease time Set...

Страница 40: ...HCP server will in this situation only lease IP addresses to the LAN hosts for 15 minutes until the system time is set The message Lease expires in less than 15 minutes will be displayed in the DHCP c...

Страница 41: ...ernally supports the following QoS groups QoS Group ID QoS Group Name Maps to PHB 0 Best Effort Best Effort BE 1 VoIP Audio Real Time Voice over IP RT VoIP 2 VoIP Signalling Real Time Voice over IP RT...

Страница 42: ...S classification table This table can store up to 15 different masks that the IP packets will be matched to The following parameters in the IP header can be used for doing the QoS classification IP so...

Страница 43: ...n 15 4 The CLI command to be used to configure the QoS Classification table is ip qos mask index group list of tags This command has a variable length where one or more tags with different tag paramet...

Страница 44: ...0 120 Best Effort 1 1 1 1 15000 1 120 VoIP Audio 2 1 1 2 4000 1 120 VoIP Signalling QoS Classification table Idx Grp Classification Parms 1 1 IPSrc 10 10 10 1 255 255 255 255 DSCP 10 15 2 1 Protocols...

Страница 45: ...therwise 3 ViC video 46 EF 101110 if VoIP is not in use 47 101111 otherwise 3 ViC audio signalling 39 100111 4 ViC audio 39 100111 4 ViC signalling 35 100011 5 VoIP bulk 46 EF 101110 1 VoIP audio 46 E...

Страница 47: ...uest capacity from the NCC Gateway using the RBDC request category Normally the gateway or ISP will issue new Service Level Agreement parameters during the log on sequence and thus override the defaul...

Страница 48: ...DC VBDC AVBDC FCA that the NCC has granted to the terminal as a grand total for all QoS classes CRClass CRClass 0 represents BW demand for the BE PHB CRClass 1 2 and 3 represents BW demand for the VoI...

Страница 49: ...0 transmitter The power consumption will then be reduced from typically 27W to approximately 12W when the terminal is logged off when using the SatLink 403x transceiver with SatLink 10007 The STM SatL...

Страница 50: ...abled and only use the feature if it is available on the GW If the Header compression is enabled on the Terminal but not on the GW it does not take effect The terminal will then continue transmit traf...

Страница 51: ...sion Disabled IDU Output Power 22 9 dBm Eb No 13 5 dB Timing correction 2605 us Frequency correction 70 Hz 11 2 Disable Header compression To disable the Header Compression use the same set of command...

Страница 52: ...55 255 3 The command in the example will set up a route for the multicast group with the IP address 224 0 2 2 to the satellite interface to the gateway The MAC address used on the return link will be...

Страница 53: ...the STM SatLink Terminal will start receiving the software image given that the new software image has a newer revision than the current software When the software download is completed successfully t...

Страница 54: ...rminal software 1 Verify the default settings for the manual software upgrade with the CLI command sw show 2 If necessary update the default settings for the manual software update by using the CLI co...

Страница 55: ...ng the backup SW and the configuration used with the backup SW will be restored and activated 1 Restore the previous SW and configuration with the command sw restore Example sw restore Restoring backu...

Страница 56: ...is will vary from system to system and is dependent on several factors such as satellite performance link characteristics RF equipment etc For a power limited transponder DVB S2 offers the possibility...

Страница 57: ...ble to transfer 3 bits per modulation symbol Hence the potential gain of going from QPSK to 8 PSK can be as high as 50 Figure 1 QPSK and 8 PSK constellations 14 2 DVB S2 Coding DVB S2 uses advanced LD...

Страница 58: ...ion card Figure 5 The SatLink 100 DVB S2 Extension Module To enable the SatLink 100 card on a SatLink 1910 IDU only one command is required on the CLI interface dvb rx phy satlink100 Type the device s...

Страница 59: ...VB RX Configuration Auto start Disabled Idx Pri Freq GHz SymbRate Msps Mode PopId 0 0 12 380000 25 000000 DVB S2 2 DVB Receiver Status SatLink 100 Rx State Waiting for NIT transponder one Frequency 12...

Страница 60: ...w show Example sw show SW versions Boot 9 0 0 1 Current 9 1 4 63 Backup 9 1 3 60 Manual SW upgrade settings TFTP server IP addr 10 10 1 1 File name dvb rcst tgz Automatic SW upgrade settings Activated...

Страница 61: ...t Mapped NAT is a popular variant of NAT providing concurrency by translating TCP or UDP protocol port numbers as well as addresses The STM SatLink Terminal supports Dynamic NAPT Static NAPT Static NA...

Страница 62: ...ply carry the same fragmentation identifier specified in the first fragment Consequently the sessions will be corrupted Whether NAT drops or forwards also an ICMP fragmented packets depends on a numbe...

Страница 63: ...01557 Rev T November 3th 2006 Page 63 Static NAPT entries in the address translation table are removed by issuing the CLI command ip nat napt del gladdr glport To view the currently configured static...

Страница 64: ...2 168 0 12 3000 ip nat show NAT Configuration Network Address Port Translation NAPT Enabled Global Address Table If IP Address dvb0 10 10 1 10 Static NAPT Map If Global Address Port Local Address Port...

Страница 65: ...atic NAT Map Table The Static NAT MAP Table is configured using the following CLI command ip nat static add globaddr locaddr Entries in the Static NAT MAP Table are deleted using ip nat static del glo...

Страница 66: ...as been allocated for the GRE interface Use the CLI command ip show to verify that a new IP interface has been created and that 2 new entries have been added to the IP routing table The first entry in...

Страница 67: ...SatLink Gateway and a PEP software client embedded in the STM SatLink Terminal The STM SatLink Terminal embedded PEP client is an optional feature which is enabled by entering a license key Use of th...

Страница 68: ...status Indicates whether the PEP functionality in the terminal is enabled or disabled PEP Mode Indicates whether the terminal is configured in Redirect or Transparent Mode PEP ServerAddress Shows that...

Страница 69: ...al Time Video Conferencing PHB group are available as standard only on the STM SatLink 1910 and requires the QoS4 SW license key to be configured on the STM SatLink 1000 1900 and 1901 models The table...

Страница 70: ...all be blocked tag and tags parameters for CLI command Function src ipaddr mask Define or modify IP source address and netmask src Delete IP source address and netmask dst ipaddr mask Define or modify...

Страница 72: ...er IDU InDoor Unit IETF Internet Engineering Task Force IF Intermediate Frequency IP Internet Protocol ICMP Internet Control Message Protocol GPS Global Positioning System LAN Local Area Network LED L...

Страница 73: ...e 960 Class I II 96m Rx Tx Antenna System Type 123 Class I II 1 2m LFL Antenna System Factory Assembled AZ EL Cap Mount STM document No 101497 3 Channel Master Instruction and Assembly manual Type 184...

Страница 74: ...e updates configuring system information adding users and changing password configuring SNMP access and adding manual IP routes are only available from the CLI via Telnet or the RS 232 port If experie...

Страница 75: ...face via RS 232 A good freeware terminal emulator is Tera Term Pro Web 3 1 3 The software can be downloaded from Ayera home page http www ayera com teraterm B 1 Cable connection To get access to the c...

Страница 76: ...d click OK The Connect To dialogue box shown in Figure 16 will appear Figure 16 Hyper Terminal Connect To dialogue box Select the COM port where the serial cable attached to the STM SatLink Terminal i...

Страница 77: ...accept the properties The property sheet will close and communication with the SatLink Terminal may begin Note that it may be necessary to press the enter key to display the login prompt When closing...

Страница 78: ...PC with more than one Ethernet card 4 Select correct base directory directory where the files to be downloaded are stored and where uploaded files will be stored 5 You are up and running with a TFTP s...

Страница 79: ...elnet from Windows XP it is recommended to use Tera Term instead of the built in Telnet Client in Windows XP since setting Local Echo in the Windows XP client does not seem to work Figure 18 Tera Term...

Страница 80: ...557 Rev T November 3th 2006 Page 80 Appendix E Management via SNMP Management of the STM SatLink Terminal is supported via SNMP For further information of SNMP management and the MIBs available please...

Страница 81: ...ed next hop IP address cannot be the same as the one attributed to the terminal s DVB interface Use the CLI command ip show to verify the setting and the CLI command save config to store the setting i...

Страница 82: ...Two cables with F connectors one for Tx and one for Rx are connecting the ODU to the IDU Figure 19 STM SatLink 4033 4035 Configuration G 1 Assembly of SatLink 403x transceiver to feedhorn The STM SatL...

Страница 83: ...O ring into feed horn groove Place the transceiver on to the feed horn and insert one of the UNC screws for alignment Tighten the screw loosely by hand or with an Allen key Make sure that the rubber...

Страница 84: ...e 24 Connecting cables from IDU The IF connectors are placed in the chassis of the SatLink 403x A protrusion on the case indicates Rx and Tx so that they are easily distinguishable Cable connectors sh...

Страница 85: ...gular H shaped or have another suitable form It must be loaded with at least 75 kg depending on the antenna size and maximum wind force Install the antenna and adjust pointing and polarisation as desc...

Страница 86: ...engths up to 62 m Times Fiber series 6 diameter 6 93 mm can be used For lengths up to 82 m use series 11 diameter 10 2 mm and for longer lengths use series 500 diameter 14 2 mm Important Do not use am...

Страница 88: ...Impedance 75 Ohm Connectors F type Environmental requirements Temperature 50 C to 80 C Humidity 0 to 100 Condensing Atmosphere Salt Pollutants and Contaminants as Encountered in Coastal and Industria...

Страница 89: ...he range at Tx At Rx the range is decided by the cable loss at 2150 MHz together with the minimum symbol rate Cable Range m from DC resistance Range m from attenuation 6 series 6 93mm 62 92 11 series...

Страница 90: ...different options are listed below Option Feed Horn Interface A C120 6 UNC screws B C120 6 or 8 M4 screws Option A interfaces the STM SatLink 403x directly while Option B requires an adaptor in order...

Страница 91: ...m 62 96056 01 STM SatLink 4901 x x x Andrew Type 123 Class I Single offset A 1 20 m 107483 62 12351 02 No x x x Andrew Type 123 Class I Single offset B 1 20 m 62 12356 11 STM SatLink 4901 x x x Andrew...

Страница 92: ...t on both sides of the adapter to prevent moisture intrusion Fasten the adapter using 4 UNC screws supplied with the STM SatLink 403x Hand tighten with Allen key Figure 31 Mount the antenna feed to th...

Страница 93: ...t 2006 STM Norway AS Publication no 101557 Rev T November 3th 2006 Page 93 Alternatively feed horns Andrew P N 61 00233 01 with interface option A for Andrew 96 cm and 1 2 m antennas can be ordered se...

Страница 94: ...ic start Enter the CLI command dvb tx autostart off to disable transmitter automatic start Enter the CLI command dvb rx show Verify that the parameter Auto start is set to Enabled Enter the CLI comman...

Страница 95: ...rect power level has been reached then turn off the CW transmission with dvb tx cw off before storing this power level as the nominal IDU power level to be used for transmission Type the CLI command d...

Страница 96: ...rway AS Publication no 101557 Rev T November 3th 2006 Page 96 and type the CLI command dvb tx outpow 27 Verify the setting by issuing the CLI command dvb tx show and save the setting by issuing the CL...

Страница 97: ...ion is loaded by default The boot loader can only be accessed via RS 232 as described in Appendix B After power on an output similar to this is displayed on the HyperTerminal STM SatLink Boot loader S...

Страница 98: ...tact the System Operator to confirm that the equipment has been configured correct 3 Terminal displays Logging on Logon failed Line up has been performed and levels calibrated with Control Centre Veri...

Страница 99: ...connection to Internet is OK If not OK check that the PC DNS IP address is correct Try also to ping a known IP address on the Internet e g ping 195 204 181 169 4 If none of the above solves the probl...

Страница 100: ...yperTerminal windows using the normal Windows copy function CTRL C The content can then be pasted in a text editor such as Notepad or Word to generate a file suitable for being included as an e mail a...

Страница 101: ...se contact the DVB RCS gateway operator Logon retry timeout Minor None The STM SatLink Terminal was not able to log on to the DVB RCS gateway After a timer has expired the STM SatLink Terminal will re...

Страница 102: ...minal is in the Hold state it is not allowed to try to log on to the DVB RCS gateway To get an explanation of why the STM SatLink Terminal has been put in Hold state please contact the DVB RCS gateway...

Страница 103: ...e ODU is defect and must be repaired ODU Temperature High Major None The temperature in the ODU has become too high If this happens several times without extreme weather conditions the ODU must be sen...

Страница 104: ...of available space on the terminal s file system SW checksum error Major Check validity of tgz file A checksum error is reported on the application tgz file downloaded during the software upgrade The...

Страница 105: ...tested to meet the requirements of the following standard EN 301 428 V1 2 1 M 2 SatLabs Qualification The STM SatLink 1000 and 1910 have successfully passed the SatLabs Qualification program www satl...

Страница 106: ...is configured to use enter the CLI command dvb pos show Example dvb pos show Latitude 59d 52 15 N 59d 52 9 N Longitude 10d 29 05 E 10d 29 3 E Altitude 60 m Timing Reference STM To configure SatLabs c...

Страница 107: ...ev T November 3th 2006 Page 107 Never change the timing reference configuration without being instructed to do so by the system operator as an incorrect timing reference configuration will prohibit th...

Страница 108: ...pt fails a new attempt must be manually triggered by issuing the dvb rx start command once again When rx autostart is enabled and tx autostart is disabled the STM SatLink Terminal s reaction to the CL...

Страница 109: ...Table 16 List of DVB S and DVB RCS specific tables that are used when accessing the network A rough outline of the procedure is as follows The STM SatLink Terminal tunes to the transport stream of the...

Страница 110: ...ansponder three Waiting for PMT transponder three Waiting for DVB RCS Tables NCR Lock Forward link up Tuner lock lost If the Forward Link acquisition proceeds normally and is successful the CLI output...

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