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SAILOR 700 VSAT User Manual

Chapter 4 - Troubleshooting

Antenna Status Information

Press MENUS until the display shows “ANTENNA STATUS.”

Press ACCEPT to start viewing the antenna status screens.

Press  MENUS to scroll forward through the status messages.
Press  CHANGE to scroll backward. When you are done reviewing status
messages, press  EXIT.

ANTENNA STATUS

NEXT MENU ACCEPT

PRESS TO VIEW

EACH ANTENNA ITEM

ANTENNA STATE

TRACKING

Summary of Contents for SAILOR 700 VSAT

Page 1: ...USER MANUAL SAILOR 700 VSAT ...

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Page 3: ...perate set up and troubleshoot the SAILOR 700 VSAT system For detailed installation information please refer to the SAILOR 700 VSAT Installation Manual The ADU antenna excl radome ACU Antenna Control Unit and VMU VSAT Modem Unit are supplied by KVH Industries as OEM products TracPhone V7 antenna TracPhone V7 Control Unit and TracPhone V7 Modem The IP Handset and the radome are manufactured by Thra...

Page 4: ... other trademarks are the property of their respective owners Disclaimer Every effort has been made to ensure the correctness and completeness of the material in this document No company shall be liable for errors contained herein The information in this document is subject to change without notice No warranty of any kind is made with regard to this material including but not limited to the implie...

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Page 7: ...SAT Broadband Service 14 Using the VoIP Service 15 3 Configuration Adjusting the ACU Display Brightness 19 Configuring RF Radiation Hazard Zones 20 Setting DVB Assist Search Mode On Off 27 Resetting the System to Factory Conditions 29 Configuring Your Computer for mini VSAT Broadband 31 Configuring the Thrane IP Handset for SAILOR 700 39 4 Troubleshooting Five Simple Checks 43 Control Unit ACU Sta...

Page 8: ...rvice Problem 50 Viewing Status Information on Your Web Browser 52 Viewing Status Information on the ACU 58 Calibrating the ADU Gyros 64 Technical Support 66 A Wiring Diagram Wiring Diagram 69 B Menus Quick Reference Guide Menus Quick Reference Guide 73 C Glossary Glossary 77 ...

Page 9: ...oduction This chapter provides a basic overview of this manual and your SAILOR 700 VSAT system It also provides important safety information you need to know before using the product Contents Using this Manual 3 Important Safety Information 5 System Overview 6 ...

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Page 11: ... refer to the Configuration chapter for information on setting up the system for the desired preferences The user and or servicing technician should refer to the Troubleshooting chapter to help identify the cause of a system problem Icons Used in this Manual This manual uses the following icons Icon Description This is a danger warning or caution notice Be sure to read these carefully to avoid inj...

Page 12: ... are provided SELECT SATELLITES Text as it appears on the ACU display The display shows BRIGHTNESS Text in quotes is shown on the ACU display See Switching Satellites on page 14 Cross reference to another chapter in the manual or to a website Document Description Installation Manual Complete installation instructions Service Activation Form Details on activating the system for mini VSAT Broadband ...

Page 13: ... is potentially harmful Whenever the system is powered on make sure everyone stays more than 36 feet 11 m away from the ADU within its 5 80 elevation range No hazard exists directly above the ADU and anywhere below the ADU s mounting plane Figure 1 1 Minimum Safe Distance to Avoid Risk of RF Radiation Exposure If a person is standing outside the ADU s main transmission beam minimum safe distance i...

Page 14: ...l comes with an ADU that is 85 smaller and 75 lighter than traditional VSAT antennas As shown in the basic diagram below the system consists of an antenna system ADU control unit ACU and modem VMU that connect to a land based hub via a Ku band satellite The hub then provides the Internet link as managed by the Network Operations Center A brief description of each system component is provided on th...

Page 15: ...m It processes all incoming and outgoing TCP IP data between the ADU and the switch using its proprietary spread spectrum technologies It also powers the ADU s transmission and reception components Block Up Converter BUC and Low Noise Block down converter LNB The switch links the system to your onboard local area network LAN via wired Ethernet connections Four of its eight ports support Power over...

Page 16: ...ectly from the Ethernet switch using Power over Ethernet PoE Service Activation Before you can start using the SAILOR 700 VSAT you need to activate the system for mini VSAT Broadband service To activate simply fill out the Activation Form provided with your system Then fax the completed form to Thrane Thrane at the following number Once Thrane Thrane processes the form a representative will call y...

Page 17: ...apter explains how to turn on and use the SAILOR 700 VSAT system It also explains how to interpret the startup screens Contents Satellite Communication Basics 11 Turning On the System 12 System Startup 13 Using the mini VSAT Broadband Service 14 Using the VoIP Service 15 ...

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Page 19: ... TIP To view the latest mini VSAT Broadband satellite coverage map visit our website at www thrane com Figure 2 1 Example of a Satellite Footprint In addition since satellites are located 22 300 miles 35 900 km above the equator the SAILOR 700 VSAT ADU must have a clear view of the sky to transmit and receive signals Equator Anything that stands between the ADU and the satellite can block signals ...

Page 20: ...t should illuminate green The ACU supplies power to the ADU Figure 2 3 ACU Front Panel Power Switch 5 Turn on your networked computer s 6 Wait five minutes for system startup see the next section for details Once the ADU finds the correct service satellite all status lights on the ACU and the VMU should be lit green If any lights are not lit green refer to Troubleshooting on page 41 CAUTION The AD...

Page 21: ...to the ADU The ADU is searching for the DVB Assist satellite which helps it find the correct service satellite The ADU has found the DVB Assist satellite The ADU is shifting to point at the mini VSAT Broadband service satellite The ADU is now tracking the service satellite The VMU has accessed the mini VSAT Broadband service the system is ready for use ANTENNA INITIALIZING GPS ACQUIRED 41 1N 72 3W...

Page 22: ...ideo conferencing Internet browsing Weather and chart updates Instant messaging Accessing corporate networks VPNs Data transfers NOTE The system must be activated before you can use it See Service Activation on page 8 for details Certain applications such as continuous streaming video web cams and high speed gaming are not supported by fixed rate service plans For details be sure to read all of th...

Page 23: ... described in the installation manual 2 Make sure the cradle for the IP handset is connected to one of the PoE connectors on the Ethernet switch If the handset is already configured and the system is powered your handset should now be ready for use Check the display of the handset When the display shows this icon in the top right corner the handset is ready for making or receiving calls Placing a ...

Page 24: ...t connected to the SAILOR 700 VSAT system you need to call a central switchboard which will put you in contact with the number of the SAILOR 700 VSAT system you wish to call Do as follows 1 Dial 00 45 69121665 and press 2 Have the mobile number of the SAILOR 700 VSAT system ready and follow the instructions from the switchboard ...

Page 25: ...nfigure your computer for a wired Ethernet connection to the SAILOR 700 VSAT system For details on setting up a wireless network refer to the instructions provided with your wireless access point purchased separately Contents Adjusting the ACU Display Brightness 19 Configuring RF Radiation Hazard Zones 20 Setting DVB Assist Search Mode On Off 27 Resetting the System to Factory Conditions 29 Config...

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Page 27: ...the ACU s front panel display 1 Press MENUS until the display shows CONFIGURATION 2 Press ACCEPT 3 Press CHANGE until the display shows the desired brightness setting HIGH MEDIUM or LOW 4 Press ACCEPT 5 Press EXIT to exit the menu CONFIGURATION NEXT MENU ACCEPT BRIGHTNESS HIGH NEXT ITEM CHANGE BRIGHTNESS MEDIUM CHANGE ACCEPT BRIGHTNESS MEDIUM ...

Page 28: ...stances When determining the need for a hazard zone keep in mind that the ADU transmits within an elevation range of 5 80 Therefore you do not need to consider any areas that are below the ADU s mounting plane since they are safe from radiation exposure Whenever the ADU points within an RF radiation hazard zone the system will disable the transmitter and the ACU will display the following message ...

Page 29: ...e to the ADU s forward arrow which should be pointing toward the bow see Figure 3 1 NOTE Each RF hazard zone must span at least 5 Therefore be sure to set beginning and ending azimuths at least 5 apart Figure 3 1 Beginning and Ending Azimuths Defining RF Radiation Hazard Zone 2 Press MENUS until the display shows CONFIGURATION 3 Press ACCEPT Antenna 000 180 090 270 045 135 225 315 Forward 335 025 ...

Page 30: ... the first number in the displayed azimuth range for RF radiation hazard zone 1 8 Press CHANGE until the number is set to the first digit of the beginning azimuth for zone 1 If the azimuth value is less than 100 set the first digit to zero 9 Press ACCEPT The cursor moves to the next number SET HAZARD ZONE NO NEXT ITEM CHANGE SET HAZARD ZONE YES CHANGE ACCEPT ZONE 1 000 000 NEXT ITEM CHANGE ZONE 1 ...

Page 31: ...ation hazard zone repeat steps 7 11 Be sure the second zone does not overlap the first Otherwise press MENUS The display shows the current setting for Transmit Inhibition XMT IN ZONES ZONE 1 300 000 CHANGE ACCEPT ZONE 1 335 025 CHANGE ACCEPT ZONE 2 000 000 NEXT ITEM CHANGE Make sure XMT IN ZONES is set to NO so the ADU will not transmit whenever it points within one of your configured RF radiation...

Page 32: ...AT User Manual 24 Chapter 3 Configuration 13 If the display shows XMT IN ZONES YES press CHANGE until the display shows XMT IN ZONES NO Then press ACCEPT 14 Press EXIT to exit the menu XMT IN ZONES NO CHANGE ACCEPT ...

Page 33: ... 61 1 Press MENUS until the display shows CONFIGURATION 2 Press ACCEPT 3 Press MENUS until the display shows SET HAZARD ZONE 4 Press CHANGE until the display shows SET HAZARD ZONE YES CAUTION Disabling RF radiation hazard zones allows the ADU to transmit in any direction even if the ADU is pointing in an area accessible to passengers and crew Make certain that everyone stays a minimum safe distanc...

Page 34: ...display shows XMT IN ZONES 7 Press CHANGE until the display shows XMT IN ZONES YES 8 Press ACCEPT 9 Press EXIT to exit the menu SET HAZARD ZONE YES CHANGE ACCEPT ZONE 1 335 025 NEXT ITEM CHANGE XMT IN ZONES NO NEXT ITEM CHANGE XMT IN ZONES YES CHANGE ACCEPT WARNING XMT ALLOWED IN RF HAZARD ZONES ...

Page 35: ...tes and you found none of the issues listed in Five Simple Checks on page 43 you may turn off the DVB Assist search mode and force the ADU to search for the service satellite directly upon startup If you choose this option be sure the vessel is operating in calm seas excessive motion will hinder the ADU s ability to find the satellite Follow the steps below to set the DVB Assist search mode On or ...

Page 36: ...SAILOR 700 VSAT User Manual 28 Chapter 3 Configuration 4 Press CHANGE until the display shows the desired DVB Assist setting ON or OFF 5 Press ACCEPT DVB ASSIST OFF CHANGE ACCEPT ...

Page 37: ...ration 1 Press MENUS until the display shows CONFIGURATION 2 Press ACCEPT 3 Press MENUS until the display shows FACTORY RESET CAUTION Resetting the system clears all RF radiation hazard zones The ADU will be able to transmit in any direction until you reprogram the hazard zones into the ADU CONFIGURATION NEXT MENU ACCEPT BRIGHTNESS HIGH NEXT ITEM CHANGE FACTORY RESET NO NEXT ITEM CHANGE ...

Page 38: ...AT User Manual 30 Chapter 3 Configuration 4 Press CHANGE until the display shows FACTORY RESET YES 5 Press ACCEPT 6 Press ACCEPT again to reset the system FACTORY RESET YES CHANGE ACCEPT RESET TO FACTORY ACCEPT EXIT ...

Page 39: ...Then purchase a wireless access point WAP connect it to the switch and follow the wireless setup instructions provided with the WAP NOTE Thrane Thrane Technical Support fully supports the three operating systems described here Windows Vista Windows XP and Macintosh OS X When setting up a wireless network be sure to apply security settings such as encryption to protect your network from outside int...

Page 40: ...lick the Network and Sharing Center icon You can find the Control Panel either through the Start menu or My Computer 2 At the Network and Sharing Center window double click the View Status link for the Ethernet connection you are using for mini VSAT Broadband 3 At the Local Area Connection Status window click Properties If this screen doesn t appear just skip to Step 4 ...

Page 41: ...al Area Connection Properties window select the Networking tab Then select Internet Protocol Version 4 and click Properties 5 At the Internet Protocol Properties window select Obtain an IP address automatically and Obtain DNS server address automatically Then click OK ...

Page 42: ...SAILOR 700 VSAT User Manual 34 Chapter 3 Configuration 6 At Local Area Connection Properties click OK ...

Page 43: ...ctions icon You can find the Control Panel either through the Start menu or My Computer 2 At the Network Connections window double click the Local Area Connection icon for the Ethernet connection you are using for mini VSAT Broadband 3 At the Local Area Connection Status window select the General tab Then click the Properties button If this screen doesn t appear simply skip to Step 4 ...

Page 44: ...tion Properties window select the General tab Then select Internet Protocol TCP IP and click Properties 5 At the Internet Protocol TCP IP Properties window select the General tab Then select Obtain an IP address automatically and Obtain DNS server address automatically Then click OK ...

Page 45: ...SAILOR 700 VSAT User Manual 37 Chapter 3 Configuration 6 At Local Area Connection Properties click OK 7 Restart your computer ...

Page 46: ...ation Mac OS X Follow the steps below to configure a Mac OS X computer 1 At System Preferences click the Network icon 2 At the Network window select the following Show Built in Ethernet Configure Using DHCP Leave all text boxes blank 3 Click Apply Now ...

Page 47: ...g information is needed to configure the IP handset SIP Server IP address sipproxy thrane com Username for the SAILOR 700 VoIP account Password for the SAILOR 700 VoIP account Codec G 729 The SAILOR 700 VoIP account username and password is supplied by your distributor when you sign for the voice subscription for the SAILOR 700 system If the handset has been switched off you can switch it back on ...

Page 48: ...nder the SIP settings Profile name e g SAILOR Server name IP sipproxy thrane com Username supplied by the distributor Password supplied by the distributor Set Codec Priority to G729 The Thrane IP Handset is now configured to use the voice channel on the SAILOR 700 VSAT system ...

Page 49: ...he status lights indicate how to use the diagnostic functions and how to get technical support Contents Five Simple Checks 43 Control Unit ACU Status Lights 44 Modem VMU Status Light 46 Error Messages 47 Troubleshooting a VoIP Service Problem 50 Viewing Status Information on Your Web Browser 52 Viewing Status Information on the ACU 58 Calibrating the ADU Gyros 64 Technical Support 66 ...

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Page 51: ...ees buildings bridges mountains and nearby equipment or structures on the vessel You can find which direction the ADU is pointing by viewing the AZ EL status on the ACU see Antenna Status Messages on page 62 If there is no blockage and the ADU can t find the satellite after 20 minutes try disabling the DVB Assist search mode see Setting DVB Assist Search Mode On Off on page 27 If the ADU is still ...

Page 52: ...operation all three status lights should be lit green The following tables explain what the different light conditions indicate CONTROL UNIT Light The table below explains what the CONTROL UNIT light indicates Light is Indicates Description Off Off ACU is powered off or no power input Green OK Good input power ACU is operational Orange Bad power Bad power supply circuit inside the ACU Red Fault Er...

Page 53: ...een Tracking ADU is tracking the satellite Green flashing Searching ADU is searching for the satellite Red Fault Error detected see error message on display Light is Indicates Description Off Off VMU powered off Green Online VMU online and logged into the mini VSAT Broadband service Green flashing Comms OK VMU is communicating with the ADU Orange Fault Error detected see error message on display R...

Page 54: ... Status Light During normal operation the status light should be lit green The following table explains what the different light conditions indicate Light is Indicates Description Off Off VMU is powered off or no power input Green Online VMU is logged into the mini VSAT Broadband network Green flashing Transmitting VMU is transmitting data Red Fault Error detected in VMU try turning the VMU off th...

Page 55: ...a Thrane Thrane authorized technician Your vessel is located outside the mini VSAT Broadband coverage area where service is unavailable or you are located within a governmentally restricted area Service will be restored once you reenter the coverage area The transmitter is temporarily disabled due to severe sea conditions or excessive vibration The ADU is pointing within one of your programmed RF ...

Page 56: ...ture has risen above 85 C Listen for the cooling fan inside the VMU If you don t hear the fan contact a Thrane Thrane authorized technician If you hear the fan turn off the system and allow it to cool down You might need to relocate the unit to an area that provides better ventilation The ACU has stopped supplying ADU and BUC power because its temperature has risen above 85 C Turn off the system a...

Page 57: ...ry turning the ACU and VMU off then back on If the error persists contact a Thrane Thrane authorized technician The VMU is not providing any data for identifying the DVB Assist satellite Try turning the ACU and VMU off then back on If the error persists contact a Thrane Thrane authorized technician The VMU is not providing valid data for identifying the DVB Assist satellite Contact a Thrane Thrane...

Page 58: ...h If there is no green light in the System Power LED check power to the AC DC power supply for the PoE switch The handset display shows the following error message Check that the SIP settings are entered correctly in the SIP profile in the handset Select SIP Options Edit View a Check that the IP address of the IP handset is correct Default setting is DHCP enabled Select Network Settings and check ...

Page 59: ...e is created for your SAILOR 700 VSAT system you must create a new profile as described in the Configuration chapter The handset display shows the following error message Check the Username and Password in the SAILOR SIP profile in the handset Select SIP Options Edit View and check that the user name and password correspond to the information from your distributor Check that your Thrane Reseller h...

Page 60: ...erface Simply open the web browser on any networked computer and enter the following web address http 192 168 0 1 You will then need to enter the following user name and password User name KVH all caps Password Leave blank As long as the VMU is connected and functioning properly a system status page will display in your browser Figure 4 3 System Status Page Via VMU Web Interface ...

Page 61: ...nnected to the mini VSAT Broadband service Offline VMU is not connected to the service Antenna State General status of the ADU Tracking Tracking the service satellite Signal Acquisition Searching the sky for the service satellite Offline Initializing Tracking Tx Inhibit Tracking the service satellite but inhibited from transmitting due to either an RF hazard zone or location within a restricted ar...

Page 62: ...LOR 700 VSAT User Manual 54 Chapter 4 Troubleshooting Detailed Antenna Status When you click the link for detailed antenna status the following web page is displayed Figure 4 4 Detailed Antenna Status Page ...

Page 63: ...stem Status page Receive Xponder Freq Frequency of the satellite downlink in MHz Receiver Xponder Polarization Polarization of the satellite downlink Horizontal Linear Vertical Linear Location Vessel position reported by the ADU s GPS Nominal Skew LNB skew angle Antenna RF Section ADU RF software version Antenna Main Section ADU main software version Antenna Control Unit ACU software version Anten...

Page 64: ...SAILOR 700 VSAT User Manual 56 Chapter 4 Troubleshooting Detailed Modem Status When you click the link for detailed modem status the following web page is displayed Figure 4 5 Detailed Modem Status Page ...

Page 65: ...ts Number of times the VMU has attempted to log into the network Bulletin Board Messages Received Number of bulletin board messages the VMU has received from the hub Terminal State Should be Transmit Enabled when tracking the service satellite Chassis Temp Temperature of the VMU s chassis in C Receiver AGC Value Receiver gain RF level indication Eb No Quality of the received digital signal should ...

Page 66: ...play You can select either modem or antenna status information from the main menu Modem Status Information 1 Press MENUS until the display shows MODEM STATUS 2 Press ACCEPT to start viewing the modem status screens 3 Press MENUS to scroll forward through the status messages Press CHANGE to scroll backward When you are done reviewing status messages press EXIT MODEM STATUS NEXT MENU ACCEPT PRESS TO...

Page 67: ...lite currently selected for mini VSAT Broadband service Frequency of the satellite downlink in GHz Polarization of the satellite downlink Horizontal Linear Vertical Linear Quality of the received signal Eb No Energy per bit noise power per Hertz must be greater than 2 dB for operation External IP address of the VMU identity of the VMU on the mini VSAT Broadband network 10 61 4 0 10 61 7 255 Local ...

Page 68: ...Enabled VMU is assigning IP addresses to clients on the LAN Disabled IP addresses must be assigned manually to each client on the LAN Temperature of the VMU chassis VMU serial number VMU software version Status Message Description MODEM SUBNET MASK 255 255 255 0 MODEM DHCP STATUS ENABLED MODEM TEMPERATURE 50C MODEM SERIAL 4 9 MODEM SW VERSION r12_34 ...

Page 69: ...y shows ANTENNA STATUS 2 Press ACCEPT to start viewing the antenna status screens 3 Press MENUS to scroll forward through the status messages Press CHANGE to scroll backward When you are done reviewing status messages press EXIT ANTENNA STATUS NEXT MENU ACCEPT PRESS TO VIEW EACH ANTENNA ITEM ANTENNA STATE TRACKING ...

Page 70: ...ve to the ADU s Forward arrow bow LNB skew angle required to receive linear satellite signals Status of the ADU s GPS Position data Latitude longitude reported by the GPS Acquiring Comm Failure Current setting for RF hazard zone 1 Current setting for RF hazard zone 2 Current setting for XMT in Zones No Transmission is inhibited if ADU points within a zone Yes Transmission unrestricted ANTENNA STAT...

Page 71: ...er Main software version RF software version Azimuth elevation motor software version Skew motor software version ACU serial number ACU software version Status Message Description ANTENNA DC INPUT 41 2 VDC CTRL UNIT DC INPUT 13 4 VDC BUC POWER ON 18 4 VDC ANTENNA MODEL TRACPHONE V7 ANTENNA SERIAL 070901234 ANTENNA MAIN BOARD SW VERSION 2 34 ANTENNA RF BOARD SW VERSION 1 23 ANTENNA AZ EL MOTOR SW V...

Page 72: ...ve a gyro or circuit board replaced you will need to recalibrate the gyros for the new part Follow the steps below to calibrate the gyros 1 Press MENUS until the display shows DIAGNOSTICS 2 Press ACCEPT to enter the Diagnostics menu 3 Press CHANGE until the display shows CAL GYRO YES Calibrate the gyros only if directed by Thrane Thrane Technical Support and only while the vessel is stationary A p...

Page 73: ...and skew gyros all pass P If any gyro fails F retry the calibration If it continues to fail please seek technical support see Technical Support on page 66 6 Once the gyros are calibrated the ADU restarts Wait five minutes for system startup DO NOT MOVE VESSEL DURING CALIBRATION CALIBRATING GYROS AZ EL SKEW CALIBRATING GYROS AZ P EL P SKEW P ...

Page 74: ...y to diagnose and repair a system fault Therefore if you experience an operating problem or require technical assistance please call or visit your local authorized SAILOR 700 VSAT dealer or distributor You can find a distributor near you by visiting www thrane com contact distributors aspx Please have your system serial numbers handy before you call You can get these serial numbers from the ACU s ...

Page 75: ...AT User Manual 67 Appendix A Wiring Diagram Appendix A Wiring Diagram This appendix provides a system wiring diagram For detailed installation instructions refer to the Installation Guide Contents Wiring Diagram 69 ...

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Page 77: ...SAILOR 700 VSAT User Manual 69 Appendix A Wiring Diagram Wiring Diagram ADU ADU VMU VMU ACU ACU Thrane IP Handset ...

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Page 79: ...R 700 VSAT User Manual 71 Appendix B Menus Quick Reference Guide Appendix B Menus Quick Reference Guide This appendix provides a quick reference guide to the ACU menus Contents Menus Quick Reference Guide 75 ...

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Page 81: ...GPS Status RF Hazard Zone 1 RF Hazard Zone 2 XMT in Zones Antenna DC Input Ctrl Unit DC Input BUC Power Control Antenna Model Antenna Serial Antenna Main Board SW Antenna RF Board SW Antenna AZ EL Motor SW Antenna Skew Motor SW Ctrl Unit Serial Ctrl Unit SW PRESS TO VIEW EACH ANTENNA ITEM BRIGHTNESS HIGH NEXT MENU CHANGE SET HAZARD ZONE NO NEXT MENU CHANGE Set LCD brightness Set up 2 hazard zones ...

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Page 83: ...SAILOR 700 VSAT User Manual 75 Appendix C Glossary Appendix C Glossary This appendix provides a glossary of technical terms used throughout this manual Contents Glossary 77 ...

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Page 85: ...deck in this case the antenna AGC Automatic Gain Control Function that automatically boosts the gain of a received signal as required to maintain a constant output level Indicates RF level Analog Phone Standard telephone also referred to as POTS Plain Old Telephone Service Voice signals are converted into electrical pulses by modulating a carrier signal AZ Azimuth angle Horizontal direction 0 360 ...

Page 86: ...s path can transfer information normally measured in bits per second bps bps Bits per second dB Decibel Ratio of one power level to another DC Direct Current DHCP Dynamic Host Configuration Protocol IP protocol that allows a server to automatically assign IP addressing information to a networked computer or device DNS Domain Name Service IP service that translates domain names such as www thrane c...

Page 87: ...ANs Communicates via twisted pair cable at one of three maximum data rates 1 Standard 10 Mbps 2 Fast 100 Mbps and 3 Gigabit 1 Gbps 1 000 Mbps Firewall Security mechanism that protects a network from unauthorized access Footprint Coverage area of a satellite Forward Link Communication path from the satellite hub to the user terminal Another term for Downlink Frequency Number of cycles per second of...

Page 88: ... 700 VSAT L band output of an LNB or input to a BUC Internet Global network connecting a vast number of networks and computers IP Address Unique network identifier assigned to a single computer or device on a network Consists of four eight bit numbers each between 0 and 255 for example 195 172 7 2 Kbps Kilobits 1 000 bits per second Ku band Range of frequencies from 12 GHz to 18 GHz LAN Local Area...

Page 89: ...inked together Network Operations Center NOC Station that maintains and manages a telecommunications network NIC Network Interface Card Expansion or built in circuit card that provides a computer with network communication capabilities OEM Original Equipment Manufacturer Used when a company licenses products or components from another company and sells the products or components with the purchasin...

Page 90: ...on consists of vertical and horizontal signals offset by 90 degrees Protocol Standard that establishes strict rules for how data is communicated over a network Return Link Communication path from the ADU to the satellite Another term for Uplink RF Radio Frequency RJ45 Registered Jack 45 Eight wire network cable connector for LANs Similar to a telephone jack Router Device that connects multiple IP ...

Page 91: ...different subnet Subnet Mask Divides the latter portion of an IP address into subnet and host designations For example in a regular class B network the first two numbers in an IP address define the network ID while the last two numbers define the host ID the individual computer or device on that network A subnet mask changes the format of these last two numbers by designating the third number as t...

Page 92: ...sal Serial Bus Bus standard for connecting peripheral devices to a computer Supports a data rate of 12 Mbps UTP Unshielded Twisted Pair Cable consisting of four twisted pairs 8 wires usually terminated by RJ45 connectors Commonly used in LANs VMU VSAT Modem Unit The modem unit performing the translation of voice or data signals into signals that can be transmitted over satellite VoIP Voice over In...

Page 93: ...nauthorized interception WiFi Wireless Fidelity Refers to an 802 11 wireless network WINS Resolution Windows Internet Naming Service Resolution Organizes the names of all Windows computers in a network with their respective IP addresses Similar function to DNS Wireless Network Card PCI or PCMCIA card that provides a computer with wireless access to a LAN via a WAP Xponder Transponder Component of ...

Page 94: ...Thrane Thrane A S info thrane com www thrane com TT 98 128893 THR D ...

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