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Teledyne Q-Lite Rugged User Manual

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Q-Lite Rugged Satellite Modem
Installation and Operating Handbook
Teledyne Paradise Datacom
106 Waterhouse Lane, Chelmsford, Essex CM1 2QU, England.
https://www.teledynedefenseelectronics.com/paradisedatacom
Copyright © 2013-2017 Teledyne Paradise Datacom Ltd. All rights reserved.
3.1.43, January 2022
2017
EN 55032 - Class A
EN 55035
EN 62368
Tel: +44(0)1376 515636

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  • Page 1 Installation and Operating Handbook 3.1.43, January 2022 2017 EN 55032 - Class A EN 55035 EN 62368 Teledyne Paradise Datacom 106 Waterhouse Lane, Chelmsford, Essex CM1 2QU, England. Tel: +44(0)1376 515636 https://www.teledynedefenseelectronics.com/paradisedatacom Copyright © 2013-2017 Teledyne Paradise Datacom Ltd. All rights reserved.

  • Page 2: Table Of Contents

    Q-Lite Rugged Satellite Modem Installation and Operating Handbook Table of Contents Chapter 1 Welcome .................... 1-1 Chapter 2 About This Handbook ............... 2-1 Conventions ....................... 2-1 Trademarks ......................2-1 Disclaimer ......................2-1 Chapter 3 Safety and Compliance Information ..........3-1 Safety Compliance .....................
  • Page 3 Q-Lite Rugged Satellite Modem Installation and Operating Handbook 6.2.4.2 Tx/Rx Service ..................6-18 6.2.4.3 Tx/Rx Rate Control ................6-19 6.2.4.4 Tx/Rx Data Rate ................... 6-19 6.2.4.5 Tx/Rx Symbol Rate ................6-19 6.2.4.6 Tx Clock Source ..................6-20 6.2.4.7 Rx Clock Source ................... 6-20 6.2.4.8...
  • Page 4 Q-Lite Rugged Satellite Modem Installation and Operating Handbook 6.2.6.7 Submit Mode ..................6-34 6.2.7 Edit->Unit->M&C->SNMP Screen ..............6-34 6.2.8 Edit->Unit->M&C->Email Screen ..............6-35 6.2.9 Edit->Unit->M&C->HTTPS Screen ..............6-38 6.2.10 Edit->Unit->Alarms Screen ............... 6-38 LinkGuard™ Interference ..............6-39 6.2.10.1 6.2.10.2 Tx/Rx AIS Alarm Action ..............6-39 6.2.10.3...
  • Page 5 Q-Lite Rugged Satellite Modem Installation and Operating Handbook 6.2.4.12 Enable Dynamic Routing ..............6-61 6.2.4.13 sFlow Metrics Collection ..............6-61 6.2.4.14 Null Packet Insertion ................. 6-62 6.2.4.15 PCR Restamping ................6-62 6.2.4.16 MPEG Over IP Type ................6-62 6.2.4.17 TS Data Rate and Nominal De-jitter Buffer Delay ......6-63 6.2.4.18...
  • Page 6 Q-Lite Rugged Satellite Modem Installation and Operating Handbook System Clocking ............. Error! Bookmark not defined. 7.1.1.1 Satellite ............Error! Bookmark not defined. 7.1.1.2 Tx Clock In ..........Error! Bookmark not defined. 7.1.1.3 Internal Clock ..........Error! Bookmark not defined. 7.1.2 Guidelines for Clocking Configuration ....Error! Bookmark not defined.
  • Page 7 Q-Lite Rugged Satellite Modem Installation and Operating Handbook 10.4 Receive Warnings .................... 10-5 10.5 Unit Faults ......................10-7 10.6 Unit Warnings ....................10-7 10.7 Start-up Problems ..................... 10-8 Chapter 11 Specification Summary ..............11-9 11.1 Common Main Specifications ................11-9 11.2...

  • Page 8: Chapter 1 Welcome

    Figure 1-1 Q-Lite Rugged Advanced COTM Satellite Modem The Q-Lite Rugged L-band modem has a powerful processor that is ideal for handling IP traffic. In common with other Q Series modems, it incorporates a software suite called XStream IP™. This has been created in response to a perceived widespread dissatisfaction in the industry with the usability and quality of service provided by IP-over- satellite in general.
  • Page 9 Q-Lite Rugged Satellite Modem Installation and Operating Handbook The design aim for Paradise’s Q Series modems, of which the Q-Lite Rugged is one, was to create the industrys most versatile and bandwidth-efficient satellite modem. Among the satellite band-width saving features available are: •...

  • Page 10: Chapter 2 About This Handbook

    A separate product warranty statement is available. Teledyne Paradise Datacom maintains a programme of continuous product improvement and reserves the right to change specifications without prior notice.

  • Page 11: Chapter 3 Safety And Compliance Information

    The power system must have a direct ground connection. 3.2 Environmental Compliance All Teledyne Paradise Datacom satellite modem products are compliant with the following EC environmental directives: • The Reduction of Hazardous Substances (RoHS) Directive 2011/65/EU.

  • Page 12: Electromagnetic Compatibility (Emc) Compliance

    Q-Lite Rugged Satellite Modem Installation and Operating Handbook 3.3 Electromagnetic Compatibility (EMC) Compliance This satellite modem conforms to the provisions of EMC Directive 2004/108/EC and complies with the following EC and FCC standards: • Emissions: EN 55032:2015 Class A – ‘Information Technology Equipment –...

  • Page 13: Chapter 4 Installation

    Carefully unpack all items, taking care not to discard any packing materials. Should the unit need to be returned to Teledyne Paradise Datacom then you should use the original packing carton as it is designed to provide the necessary level of protection during shipment.

  • Page 14: Chapter 5 Introduction

    This procedure is explained in Section 6.2.9.4. Getting started is covered in more detail in the Q-Lite Rugged modem Quick Start Guide (provided with the unit). Chapter 5 Introduction 5.1 Overview...

  • Page 15: Standard-Fit Hardware

    5.3 Hardware Options 5.3.1 Terrestrial Interface The Q-Lite Rugged is a sealed IP centric Satellite Modem, hence no other interface cards may be fitted in addition to the four-port Ethernet switch, which is provided as standard. 5.3.2 Other Option Cards The following feature-specific option cards are available: •...

  • Page 16: Software Options

    Q-Lite Satellite Modem Installation and Operating Handbook • P3605 FastLink™ option card, required for FastLink™ low-latency Low-Density Parity-Check (LDPC) Forward Error Correction (FEC) operation. • P3607 Paired Carrier+ option card, required for Paired Carrier+ operation (which overlays transmit and receive carriers in the same space segment reducing the overall required satellite bandwidth).
  • Page 17 Q-Lite Satellite Modem Installation and Operating Handbook Feature Description Code • XStream IP™ IP-over-DVB encapsulation. Supports DVB-S2X transmission of IP packets with/without Ethernet frames over DVB-S2/DVB-S2X using Multiprotocol Encapsulation (MPE) (EN 301 192), Unidirectional Lightweight Encapsulation (ULE) (RFC 4326) and Paradise XStream Encapsulation (PXE).
  • Page 18 Q-Lite Satellite Modem Installation and Operating Handbook Feature Description Code Paired Carrier+ PCMZ Enables Paired Carrier+ data rates in the given range (inclusive). Incorporates Paradise Datacom’s adaptive 56kbps to 256kbps self-interference cancellation technology to remove the unwanted carrier from the incoming receive signal. For all supported data rates, Paired Carrier+ is subject to a minimum occupied bandwidth of 25kHz and a maximum of 72MHz.

  • Page 19: Front Panel

    Q-Lite Satellite Modem Installation and Operating Handbook Feature Description Code FastLink LDPC Enables FastLink™ low-latency LDPC prevailing data rate of the modem (subject to maximum data rate 100Mbps). Includes relevant modulations and FEC rates. DVB-CID DVB Carrier ID. Tx carrier identification per ETSI 103 129.

  • Page 20: Q-Lite Rugged Chassis Connectors

    Table 5-3 Front-panel LED Status 5.6 Q-Lite Rugged Chassis Connectors The Q-Lite Rugged terrestrial and satellite data interfaces are defined within Chapter 10. However the general functionality is described here: • +24V DC Connector The modem is designed to operate from a regulated +24V DC input. There is no further regulation of the 24V provided within the chassis itself and therefore the input must be 24 V +/- 5% max.
  • Page 21 Q-Lite Satellite Modem Installation and Operating Handbook The maximum composite power level is 10dBm The L-band covers 950 to 2450MHz band. The carrier level at the input of the modem must be in the following range: Minimum signal level: -130 +10 log (symbol rate) dBm Maximum signal level: -80 + 10 log (symbol rate) dBm The maximum wanted-to-composite power level that is supported with no implementation loss is defined by the equation:...

  • Page 22: Chapter 6 User Interfaces

    Q-Lite Satellite Modem Installation and Operating Handbook • FSK Control Although not a connector as such, the Utilities Card supports the FSK protocol for communicating with a BUC. Chapter 6 User Interfaces 6.1 User Control The modem has a web browser user interface. There are two fixed usernames, namely, admin and user.

  • Page 23: Status Screen

    Q-Lite Satellite Modem Installation and Operating Handbook On successfully logging in, the user will be presented briefly with the screen shown in Figure 6-2. Figure 6-2 Web Server Welcome Screen This screen will include the text ‘The web user interface is in ‘View-only’ mode’ when the modem is in Local control mode, in which modem control is restricted to front-panel operation only.
  • Page 24 Q-Lite Satellite Modem Installation and Operating Handbook Figure 6-3 Status Screen The line of buttons across the top of the display (ie. STATUS, EDIT, VIEW, TEST and HELP) give access to the major modem functions, while the tabs below the buttongs give access to individual menus.

  • Page 25: Status Setup

    Q-Lite Satellite Modem Installation and Operating Handbook Figure 6-4 Modem Summary Status Summary status information for the modem is shown at the top left-hand side of the screen as shown in Figure 6-4. This presents the following: • ‘ID’: The user-entered modem-identification text string. •...

  • Page 26: Status Demodulator

    Q-Lite Satellite Modem Installation and Operating Handbook 6.2.2.1.1 Status Traffic The Traffic section of the Status page is continually updated with the following information: • Transmit path status. When there is no transmit path fault then the message ‘Tx OK since a particular time and date when the Modem commenced transmission. When a transmit path fault exists then a fault message is displayed instead that indicates the nature of the fault.

  • Page 27: Status Paired Carrier

    Q-Lite Satellite Modem Installation and Operating Handbook These counts are reset to zero when the demodulator goes out of lock. They can also be cleared using the front-panel menus. • Receive DVB-S2 baseband frames and errors. These indicate the number of DVB-S2/S2X baseband frames and baseband frame errors, respectively, that have been received since the Rx service was started and give an indication of the quality of the service.

  • Page 28: Status Aupc

    Q-Lite Satellite Modem Installation and Operating Handbook 6.2.2.5 Status AUPC The Automatic Uplink Power Control (AUPC) section of the Status screen is displayed and continually updated with the following information when AUPC is enabled: • Remote Eb/No. This is the current Eb/No reported by the remote modem. •...

  • Page 29: Edit->Tx-Rx->Service Screen

    Q-Lite Satellite Modem Installation and Operating Handbook configurations may be stored, recalled, downloaded from and uploaded to the Modem. 6.2.4 Edit->Tx-Rx->Service Screen The Edit->Tx-Rx->Service screen is shown in Figure 6-5. Figure 6-5 Edit->Tx-Rx->Service Screen When a value is changed in an edit or dropdown box, the background for the box will change to red while the modem is actioning the change, as shown in the example below.

  • Page 30: Rx Values Track Tx

    Q-Lite Satellite Modem Installation and Operating Handbook 6.2.4.1 Rx Values Track Tx This is an On/Off control that allows the receive path to be automatically configured to be the same as the transmit path, thereby simplifying set up. There are a number of exceptions including carrier frequency, spectral inversion, timeslots and clock settings.

  • Page 31: Tx/Rx Rate Control

    Q-Lite Satellite Modem Installation and Operating Handbook factors of 5%, 10% and 15%. DVB-S2X configuration options such as FEC frame size and pilots are available under Edit->Tx-Rx->Advanced. Table 6-2 Tx/Rx Service 6.2.4.3 Tx/Rx Rate Control Data rate This allows the user to enter a data rate, from which a symbol rate is calculated.

  • Page 32: Tx Clock Source

    Q-Lite Satellite Modem Installation and Operating Handbook In the absence of the user setting the symbol rate, it will be determined by other settings such as the terrestrial data rate, modulation and FEC rate. Table 6-5 Tx/Rx Symbol Rate 6.2.4.6 Tx Clock Source Tx Clock In The external clock supplied on the interface Clock In line will be used.

  • Page 33: Tx/Rx Modulation

    Q-Lite Satellite Modem Installation and Operating Handbook This enables Paradise’s FastLink low-latency Low-Density Parity- FastLink Check (LDPC) FEC. FastLink gives performance approaching that of conventional LDPC but with latency nearer to that of TPC. In addition, FastLink supports modes (available on the Edit->Tx-Rx->Service->Advanced menu) that optimize either BER performance or latency even further, giving the flexibility to match performance more closely to the constraints of the satellite...

  • Page 34: Tx/Rx Frequency Band

    Q-Lite Satellite Modem Installation and Operating Handbook 32APSK: 32/45, 11/15, 7/9 32APSK-L: 2/3 64APSK: 11/15, 7/9, 4/5, 5/6 64APSK-L: 32/45 Short Frame: QPSK: 11/45, 4/15, 14/45, 7/15, 8/15, 32/45 8PSK: 7/15, 8/15, 26/45, 32/45 16APSK: 7/15, 8/15, 26/45, 3/5, 32/45 32APSK: 2/3, 32/45 BPSK: 5/16, 21/44, 3/4, 7/8 QPSK (and OQPSK): 5/16, 21/44, 3/4, 7/8, 0.93...

  • Page 35: Tx/Rx Spectral Roll-Off

    Q-Lite Satellite Modem Installation and Operating Handbook If the BUC LO frequency has been set on the Edit->Tx-Rx->BUC/LNB menu then the L-band transmit frequency will no longer be available and will be automatically controlled by the modem to achieve the requested BUC transmit frequency.

  • Page 36: L-Band Output Power

    Q-Lite Satellite Modem Installation and Operating Handbook 6.2.4.15 L-band Output Power IF: 0 to –25dBm; step size: 0.1dB Range: L-band: +5 to –40dBm (950 to 1950MHz) 0 to –40dBm (1950 to 2150MHz) 0 to –30dBm (2150 to 2450MHz) step size: 0.1dB Description: This is the transmitted output power when using IF or L-band.

  • Page 37: Dvb-S2 Tx/Rx Pilot Tones

    Q-Lite Satellite Modem Installation and Operating Handbook Low latency Provides a lower level of latency that attempts to match or beat that of TPC. This is at the expense of a small increase (typically around 0.3dB compared to Balanced mode) in Eb/No required to achieve a specific BER level.

  • Page 38: Acknowledge Power Break

    Q-Lite Satellite Modem Installation and Operating Handbook 6.2.5.6 Acknowledge Power Break If the Modem carrier setting on the Edit->Tx-Rx->Service menu is set to ‘On (mute if power break)’ the any power outage must be explicitly acknowledged using this control thereby confirming that it is okay to restart transmission following the outage. 6.2.1 Edit->Tx-Rx->Advanced Timeslot Screens Timslot configuration of G.703 and Quad E1 interfaces is described in Chapter...

  • Page 39: Target Remote Eb/No

    Q-Lite Satellite Modem Installation and Operating Handbook 6.2.3.2 Target Remote Eb/No Range: 0.1dB to 14.9dB; step size: 0.1dB Description: This is the remote Eb/No that AUPC tries to maintain by adjusting the Tx power level. Table 6-21 Target Remote Eb/No 6.2.3.3 Maximum AUPC Power Offset Range: 0dBm to 25.0dBm;...

  • Page 40: Edit->Tx-Rx->Buc/Lnb Screen

    Q-Lite Satellite Modem Installation and Operating Handbook The distinction between the two carrier loss actions is as follows: The Carrier loss action covers the situation where the distant modem’s demodulator has unlocked, resulting in no Es/No information being available from the distant modem. In this situation, you may, for example, want to increase the AUPC uplink level from the local modem to the maximum.

  • Page 41: Buc Lo Frequency

    Setting the checkbox causes the services to switch over from the online modem to the backup modem on a failure. Note that FSK communications will always be switched over. Note: the 1:1 controller is not available within the Q-Lite Rugged. However, the menus are still present.

  • Page 42: Lnb Type

    Q-Lite Satellite Modem Installation and Operating Handbook 6.2.4.7 LNB Type None This indicates that no LNB is fitted. Other This indicates that an LNB is fitted but is not one of the Paradise LNBs listed below. C 3.635 – 4.200 GHz This presets the LNB LO frequency to 5150MHz.

  • Page 43: Mute Lnb Services In Standby

    Q-Lite Satellite Modem Installation and Operating Handbook 6.2.4.11 Mute LNB Services in Standby This is an On/Off control used to enable and disable the transfer of LNB DC and 10MHz services from a failed modem to a backup modem in a 1:1 or 1:N redundancy system. Setting the checkbox causes the services to switch over from the online modem to the backup modem on a failure.

  • Page 44: Modem Control And Passwords

    Q-Lite Satellite Modem Installation and Operating Handbook The Edit->Unit->M&C screen is split into several sections as described in the following sections. 6.2.6.1 Modem Control and Passwords Table 6-32 shows the Modem control options, for user control of the modem. Local In Local mode only the front panel can be used to control the modem.

  • Page 45: Radius Authentication Validity

    This involves the addition of a vendor-specific attribute using an SMI network management private enterprise code of 64534 (to denote Teledyne Paradise Datacom), which is one of a range reserved for private use. A vendor-specific attribute named ‘Access-Level’...

  • Page 46: Radius Server Timeout

    Q-Lite Satellite Modem Installation and Operating Handbook 6.2.6.5 RADIUS Server Timeout Range: 1 to 60 seconds; step size: 1 second Description: Controls the timeout when connecting to the RADIUS server. Two attempts will be made before reverting to use the fallback RADIUS server. If the fallback server connection attempts also fail then the user will be presented with the standard (non-RADIUS) login prompt.

  • Page 47: Edit->Unit->M&C->Email Screen

    Q-Lite Satellite Modem Installation and Operating Handbook Figure 6-12 Edit->Unit->M&C->SNMP Screen The Simple Network Management Protocol (SNMP) can be configured for use with SNMP v1, v2c and v3. The modem’s SNMP configuration settings have the standard meanings defined by the relevant SNMP standards and are therefore not described in detail.
  • Page 48 Q-Lite Satellite Modem Installation and Operating Handbook Figure 6-13 Edit->Unit->M&C->Email Screen From power-up, the modem automatically records modem and satellite link performance information for both online and offline use. This information can be sent by email from the modem to any email address, providing a connection from the modem to a Simple Mail Transfer Protocol (SMTP) mail server is available.
  • Page 49 Q-Lite Satellite Modem Installation and Operating Handbook The relevant data is appended to the email as separate attachments. The modem needs to know where to send all emails in order for them to be forwarded to individual email accounts. This is the outgoing SMTP mail server name (e.g. smtp.yourmailserver.com).

  • Page 50: Edit->Unit->M&C->Https Screen

    Q-Lite Satellite Modem Installation and Operating Handbook 6.2.9 Edit->Unit->M&C->HTTPS Screen The Edit->Unit->M&C->HTTPS screen is shown in Figure 6-15. Figure 6-15 Edit->Unit->M&C->HTTPS Screen Secure HTTPS connections to the modem’s web server (on port 443) are always enabled. However, it is possible to disable (and re-enable) standard HTTP requests (on port 80) using this screen.

  • Page 51: Linkguard™ Interference

    Q-Lite Satellite Modem Installation and Operating Handbook 6.2.10.1 LinkGuard™ Interference LinkGuard™ is a Paradise patented technology (US patent 8351495) for detecting in- band interference underneath satellite carriers while remaining on traffic. An automated alarm can be generated whenever the power spectral density of the interference goes above a user-set threshold, thereby automatically alerting the operator whenever meangingful levels of interference are detected.

  • Page 52: Ethernet Port Down Alarms

    Q-Lite Satellite Modem Installation and Operating Handbook Description: Sets the trip threshold at which a fault is declared when the current drawn by the Tx ODU is outside the limit. Both a minimum and a maximum current threshold can be set.These set the Eb/No thresholds below which a deferred alarm will be generated for the local (i.e.

  • Page 53: Edit->Unit->Upgrade Screen

    Q-Lite Satellite Modem Installation and Operating Handbook 6.2.12 Edit->Unit->Upgrade Screen The Edit->Unit->Upgrade screen is shown in Figure 6-19. This allows the modem’s software to be upgraded (and downgraded). During the upgrade process it may be necessary to change the Modem's configuration. If this is the case, please save the current configuration using the Main/Edit/Memories/Store menu so that it can be recalled after the upgrade is complete.

  • Page 54: Edit->Unit->Miscellaneous->Time Screen

    Q-Lite Satellite Modem Installation and Operating Handbook Figure 6-20 Edit->Unit->Upgrade Screen Progress Indication When the upgrade is finished, the modem will reboot and begin running the new software version. 1. Open a web browser and verify the new software version is correctly displayed on the View/Unit page.

  • Page 55: Edit->Unit->Miscellaneous->Reset Screen

    Q-Lite Satellite Modem Installation and Operating Handbook Figure 6-23 Edit->Unit->Miscellaneous->Time Screen 6.2.1 Edit->Unit->Miscellaneous->Reset Screen The Edit->Unit->Miscellaneous->Reset screen is shown in Figure 6-24. This allows the modem to be reset, following confirmation. Figure 6-24 Edit->Unit->Miscellaneous->Reset Screen 6.2.1 Edit->Unit->Miscellaneous->NTP Screen The Edit->Unit->Miscellaneous->NTP screen is shown in Figure 6-25. This supports using the Network Time Protocol (NTP) to synchronise the modem to the attached computer system.

  • Page 56: Edit->Unit->Carrier Id Screen

    Q-Lite Satellite Modem Installation and Operating Handbook IEEE 1588 Packet synchronisation (V2) provides a method to precisely synchronize the Modem over a Local Area Network (LAN). Precision Time Protocol (PTP) is capable of synchronizing multiple clocks to better than 100 nanoseconds on a network specifically designed for IEEE-1588.

  • Page 57: Carrier Id Custom Message And Telephone Number

    Q-Lite Satellite Modem Installation and Operating Handbook a Carrier ID decoder to identify the location from which an interfering carrier is being generated. 6.2.2.3 Carrier ID Custom Message and Telephone Number The Carrier ID Custom message and Telephone number fields are optional. If entered, this information will be transmitted as part of the Carrier ID signal and will be available for viewing via a suitable Carrier ID decoder.

  • Page 58: Ip Mode

    Q-Lite Satellite Modem Installation and Operating Handbook Figure 6-27 Edit->IP Screen 6.2.3.1 IP Mode Table 6-47 shows the IP mode options. Bridge mode In this mode the modem acts as an Ethernet bridge, preserving the original Ethernet frames (including additional fields such as VLAN and MPLS headers) over satellite.
  • Page 59 Q-Lite Satellite Modem Installation and Operating Handbook M&C requests will then automatically find their way to the remote modem. When the M&C and IP traffic ports are on separate subnets then the following technique can be used. IP should be selected as the mode for the ESC channel along with IP as the interface for the main channel.
  • Page 60 Q-Lite Satellite Modem Installation and Operating Handbook Modem Settings Ethernet Operation Bridging/Routing M&C and IP Operation of Operation of Mode Traffic Acceleration M&C IP Traffic Ethernet Ethernet Ethernet Ports Port Port Bridging Bridged M&C address IP Traffic address shared with IP not used;...

  • Page 61: Bridge M&C

    Q-Lite Satellite Modem Installation and Operating Handbook 6.2.3.2 Bridge M&C This is an On/Off control that determines whether the two RJ45 Ethernet ports on the modem are bridged together or whether they have separate IP addresses allocated to them. When the Remote M&C Ethernet port is out of the bridge then satellite IP traffic and M&C traffic are processed separately and therefore the two modem Ethernet connectors are no longer interchangeable.

  • Page 62: Round-Trip Satellite Delay

    Q-Lite Satellite Modem Installation and Operating Handbook 6.2.3.4 Round-trip Satellite Delay Range: 0ms to 9999ms; step size: 1ms Description: This sets a satellite round-trip delay that is used in conjunction with TCP acceleration. It controls the size of the modem’s internal packet buffer to match the bandwidth-delay product for the link (i.e.

  • Page 63: Acm Rain Fade Margin

    Q-Lite Satellite Modem Installation and Operating Handbook This switches ACM on in both transmit and receive. When ACM is on, the choice of modulation and FEC rate (modcod) in the transmit path is dynamically matched to the reported Es/No from the remote modem.

  • Page 64: Traffic/Satelite Ip Addresses And Subnet Masks

    Q-Lite Satellite Modem Installation and Operating Handbook M&C 10.0.70.1 IP Address Default: Description: This sets the IP address for remote control. When the M&C and traffic Ethernet ports are bridged together then this address is used for both M&C purposes and satellite traffic. An IP address of 0.0.0.0 causes the modem to request its IP address from a Dynamic Host Control Protocol (DHCP) server on the network, removing the need to allocate static IP addresses to each modem.

  • Page 65: Ip Encapsulation Type

    Q-Lite Satellite Modem Installation and Operating Handbook This sets the subnet mask for the modem’s IP Traffic port. Traffic subnet mask This sets the IP address for the modem’s satellite IP port. This is only Satellite IP address used when in routing mode, when the modem acts as a two-port router. This sets the subnet mask for the modem’s satellite IP port.

  • Page 66: Mpe Mac Address

    Q-Lite Satellite Modem Installation and Operating Handbook 6.2.3.13 MPE MAC Address Format 00:11:29:00:F0:23 example: Description: For DVB-S2 IP services, this is used for filtering of Multi-Protocol Encapsulation (MPE) packets on the receive side. The receiver will filter against whatever MAC address has been provided, which can therefore be a virtual MAC address rather than the receiver’s address.

  • Page 67: Ethernet Speed/Duplex

    Q-Lite Satellite Modem Installation and Operating Handbook 6.2.3.15 Ethernet Speed/Duplex Table 6-57 lists the different Ethernet speed and duplex settings for the modem’s Ethernet interfaces. Changes will be effective immediately but when an auto-negotiated mode is selected then any Ethernet connection will be briefly disconnected while the change takes effect.

  • Page 68: Ethernet Mtu

    Q-Lite Satellite Modem Installation and Operating Handbook 6.2.3.17 Ethernet MTU Range: 1,500 bytes to 10,000 bytes; step size: 1 byte Description: This controls the Ethernet Maximum Transmission Unit (MTU) size, which defines the largest Ethernet frame that can be handled by the modem in bridging mode without fragmentation into smaller frames.

  • Page 69: Terrestrial Buffer Size

    Q-Lite Satellite Modem Installation and Operating Handbook receive any one of these 6 modcods, depending on signal strength at the remote site. • VLAN’s, allows individual VLAN ID’s to be entered against each individual Ethernet port. Figure 6-28 Edit->IP->Advanced Screen 6.2.4.1 Terrestrial Buffer Size The terrestrial buffer is used to buffer IP packets coming into the IP terrestrial ports for transmission over satellite.

  • Page 70: Satellite Buffer Size

    Q-Lite Satellite Modem Installation and Operating Handbook to drop by making the buffer smaller so that only the most recent data is kept in an overload situation. 6.2.4.2 Satellite Buffer Size The satellite buffer is used to buffer IP packets ready for transmission over satellite. The buffer is situated after all internal packet processing has been completed, including traffic shaping and encapsulation.

  • Page 71: Ethernet Dhcp Server

    Q-Lite Satellite Modem Installation and Operating Handbook The use of AQM can be combined with traffic shaping to ensure that high priority traffic is unaffected when demands on bandwidth are exceeded. The use of AQM is especially important for latency sensitive applications. It needs to be enabled on the modems at both ends of the satellite link in order to be effective.

  • Page 72: Ethernet Address Learning

    Q-Lite Satellite Modem Installation and Operating Handbook IP address) and, when DHCP and NAT are enabled, will cache DNS results in order to reduce the number of satellite round trips that are required. The DNS server IP address is normally included as part of the network connection details on Windows PCs. 6.2.4.8 Ethernet Address Learning By default, Ethernet (or MAC) address learning is not enabled on the modem.

  • Page 73: Dns Ip Address

    Q-Lite Satellite Modem Installation and Operating Handbook requests made by users from their web browsers. Once the web page has been received by the modem, the modem parses through the page checking for in-line objects such as images. These images do not form part of the web page and are requested separately by the web browser.

  • Page 74: Null Packet Insertion

    Q-Lite Satellite Modem Installation and Operating Handbook performance metrics to a central server for network analysis and reporting. An address for an sFlow server can be entered and all sFlow metrics data covering the performance of all Ethernet ports on the modem will then be automatically forwarded to that address (using the standard default port number specified for use with sFlow).

  • Page 75: Ts Data Rate And Nominal De-Jitter Buffer Delay

    Q-Lite Satellite Modem Installation and Operating Handbook MPEG2 packets. On the receive side, the MPEG2 packets are encapsulated back into IP packets, using IP address and port number information entered by the user. When decapsulating and encapsulating MPEG2 packets, the modem needs to know whether the IP packets contain just UDP headers, or UDP and RTP headers.

  • Page 76: Local Multicast Address And Local Port

    Q-Lite Satellite Modem Installation and Operating Handbook Destination The destination UDP port number is used in a similar way to to the port destination address above, when creating a copy of the original IP packet in order to wrapper received MPEG2 packets. Table 6-61 Destination Address &...

  • Page 77: Stream Tx Fec Code Rate

    Q-Lite Satellite Modem Installation and Operating Handbook 8APSK-L: 5/9, 26/45 16APSK: 26/45, 3/5, 28/45, 23/36, 25/36, 13/18, 7/9, 77/90 16APSK-L: 5/9, 8/15, 1/2, 3/5, 2/3 32APSK: 32/45, 11/15, 7/9 32APSK-L: 2/3 64APSK: 11/15, 7/9, 4/5, 5/6 64APSK-L: 32/45 Short Frame: QPSK: 11/45, 4/15, 14/45, 7/15, 8/15, 32/45 8PSK: 7/15, 8/15, 26/45, 32/45 16APSK: 7/15, 8/15, 26/45, 3/5, 32/45...

  • Page 78: Vlan Filtering

    Q-Lite Satellite Modem Installation and Operating Handbook shared outbound carrier from the hub. (The shared outbound is partitioned using traffic shaping in the Q-MultiFlex, which allows a number of streams to be created, each associated with a particular modcod.) To demodulate just one of the streams (modcods) in the outbound, the Point-to-multipoint-multistream setting is used –...

  • Page 79: Download Root Authority Security Certificate

    Q-Lite Satellite Modem Installation and Operating Handbook When VLAN filtering is enabled, the remote modem will also automatically receive M&C traffic from the hub Q-MultiFlex™ on a special VLAN (VLAN 0), when the M&C VLAN setting has been enabled on the Q-MultiFlex™. This provides a convenient way of establishing remote control of the modem from the hub while also allowing the M&C and IP traffic to be on separate networks.

  • Page 80: Edit->Ip->Header Compression Routes Screen

    Q-Lite Satellite Modem Installation and Operating Handbook The Del button is used to delete individual routes. The Click to apply routes button must be selected to apply the static routes before navigating away from the web page. The Show Routes button can be used to display the underlying operating system ‘route add’...

  • Page 81: Edit->Paired Carrier Screen

    Q-Lite Satellite Modem Installation and Operating Handbook 6.2.8 Edit->Paired Carrier Screen The Edit->Paired Carrier screen (shown in Figure 6-31) is used to set up the Paired Carrier™ function, which allows two carriers to be overlapped in the same space segment. Figure 6-31 Edit->Paired Carrier Screen 6.2.8.1 Paired Carrier Enable This is an On/Off control that enables and disables Paired Carrier+ operation.
  • Page 82 Q-Lite Satellite Modem Installation and Operating Handbook carriers and work in the same way. The cancellation bandwidth itself is automatically deduced by the modem from the larger of the transmit and receive symbol rates and roll- off factors (i.e. occupied bandwidth). PLEASE READ THE FOLLOWING INFORMATION FOR FIRST-TIME SETUP OF A PAIRED CARRIER+ LINK.
  • Page 83 Q-Lite Satellite Modem Installation and Operating Handbook end of this section.) 7. Switch the second carrier off. To avoid non-linear distortion, ensure adequate HPA back-off when using multiple carriers through a single amplifier, particularly with higher order modulations when testing at a single site. 8.

  • Page 84: Round-Trip Delay

    Q-Lite Satellite Modem Installation and Operating Handbook uncertainty in the range to the satellite (via the Round-trip delay setting on the Edit->Paired Carrier menu). This has a significant effect on acquisition time. If using a round trip delay then try switching to using location information.

  • Page 85: Satellite Longitude

    Q-Lite Satellite Modem Installation and Operating Handbook established following Paired Carrier+achieving lock. Use GPS This mode allows mobile Paired Carrier+ operation (for example, on ships) without ever having to change location or satellite delay information for Paired Carrier+. Any change in location will not affect Paired Carrier+ operation.

  • Page 86: Earth Station Latitude

    Q-Lite Satellite Modem Installation and Operating Handbook 6.2.8.5 Earth Station Latitude Range: -90 Degrees to +90 Degrees ; step size: 0.01 Degrees Description: The latitudinal position corresponding to the modem location. If using the modem front panel then the Up and Down arrow keys are used for setting ‘+’...

  • Page 87: Edit->Memories->Recall Screen

    Q-Lite Satellite Modem Installation and Operating Handbook the front panel these go back to their factory defaults. This is done in order not to lose remote control of the modem from the web user interface when using it. LOAD_DEFAULTS cannot be erased or overwritten. Configuration memory names are restricted to alphanumeric characters.
  • Page 88 Q-Lite Satellite Modem Installation and Operating Handbook Figure 6-34 Edit->Memories->Advanced Reversionary Control Screen The procedure for protecting and recovering a remote modem from failure during a configuration change is as follows. 1. Prepare in advance a configuration memory that represents a known ‘safe’ or default configuration for the remote modem.

  • Page 89: Edit->Memories->Store Screen

    Q-Lite Satellite Modem Installation and Operating Handbook 6.2.9.3 Edit->Memories->Store Screen The Edit->Memories->Store screen (shown in Figure 6-36) allows the current modem configuration to be stored to a configuration memoriy under a given name. It also displays all of the configurations that are already stored on the modem. The Delete button can be used to delete a specific configuration memory.

  • Page 90: Clearlinq™ Tx Adaptive Predistorter Screens

    Q-Lite Satellite Modem Installation and Operating Handbook Figure 6-38 Edit->Memories->Upload Screen 6.2.10 ClearLinQ™ Tx Adaptive Predistorter Screens that corrects for non-linear (and to a lesser extent ClearLinQ™ is a Tx adaptive predistorter linear) distortion in the RF chain. It is applicable to all FECs and modulations including DVB-S2X, FastLink™...
  • Page 91 Q-Lite Satellite Modem Installation and Operating Handbook Figure 6-40 Edit->Tx Predistorter Screen During the learning process a screen similar to Figure 6-41 will be displayed. Figure 6-41 Edit->Tx Predistorter Screen (during the learning process) On completion of the learning process, which may take a couple of minutes, a screen similar to Figure 6-42 will be displayed.

  • Page 92: View Screen

    Q-Lite Satellite Modem Installation and Operating Handbook Figure 6-43 Edit->Tx Predistorter Store Screen The learning process can be repeated as many times as necessary for distinct modem and HPA operating conditions (e.g. for different modulations and HPA power levels) and the results stored to individual files.

  • Page 93: Rx Spectrum Monitor

    Q-Lite Satellite Modem Installation and Operating Handbook thousands of entries. The oldest entries are deleted when space is required for new entries. • Setup. This provides a succinct summary of the operational setup of the modem. • Unit. This provides manufacturing information (including the software version number and the hardware fitted), power supply voltage levels, modem temperature indication, loopback status and the IP address of the M&C port (for when this has been set using DHCP).
  • Page 94 Q-Lite Satellite Modem Installation and Operating Handbook Figure 6-46 Rx Spectrum Monitor The Rx Spectrum Monitor can be used to check for correct modem operation. The Span can be set to Normal, which limits the frequency span to that of the carrier, or Super Wide, which displays a frequency span of +/-25MHz centred on the carrier’s centre frequency.

  • Page 95: Rx Constellaton Monitor

    Q-Lite Satellite Modem Installation and Operating Handbook Figure 6-47 LinkGuard™ Signal-Under-Carrier Spectrum Monitor 6.2.11.2 Rx Constellaton Monitor The Rx Constellation Monitor feature shown in Figure 6-48 allows the modem to be used as a spectrum analyser to view the received signal spectrum. 6-83...
  • Page 96 Q-Lite Satellite Modem Installation and Operating Handbook Figure 6-48 Rx Constellation Monitor The Rx Constellation Monitor can be used to check for correct modem operation including checking for signal distortion and phase noise. The persistence mode is useful for showing any long-term effects due to phase noise and interference. Excessive phase noise can cause cycle skips, seen as unwanted rotations within the constellation.

  • Page 97: Ip Graphs

    Q-Lite Satellite Modem Installation and Operating Handbook values when the link is running well. Then reduce the power level of the carrier(s) and establish the equivalent values just above the point at which the carrier unlocks. This will give a good indication of the range of potential values and can be used to establish an early warning when the link starts to degrade.
  • Page 98 Q-Lite Satellite Modem Installation and Operating Handbook Figure 6-49 IP Throughput Graph QoS (traffic shaping) graphs are described in Section 7.8.9. An example ACM graph is shown in Figure 6-50. This shows the minimum, average and maximum terrestrial data rate over the selected time period. Note that this graph shows how the terrestrial data rate varies over time in direct relation to dynamic changes of modcod based on a varying Es/No from the remote modem.

  • Page 99: Other Time-Based Graphs

    Q-Lite Satellite Modem Installation and Operating Handbook Figure 6-50 ACM Terrestrial Data Rate Graph Figure 6-51 ACM Terrestrial Data Rate Graph (Short time period) 6.2.11.4 Other Time-based Graphs A number of time-based graphs can be displayed. Graphical values are stored for 31 calendar days or until the modem is powered down.

  • Page 100: Alarms

    Q-Lite Satellite Modem Installation and Operating Handbook • The modem received power level. • Receive frequency offset from centre frequency. • LinkGuard™ interference power spectral density. • The Eb/No of the distant modem being controlled via AUPC. • The transmit power level while under AUPC control. •...

  • Page 101: System Log

    Q-Lite Satellite Modem Installation and Operating Handbook 6.2.11.6 System Log The system log can be viewed using the View->Log screen shown in Figure 6-54. The Clearc button can be used to delete all of the entries in the log. The Download Log file button can be used to download a text file of the log contents to the browser device.

  • Page 102: View->Unit Screen

    Q-Lite Satellite Modem Installation and Operating Handbook 6.2.11.8 View->Unit Screen The View->Unit screen shown in Figure 6-56 displays manufacturing information (including the software version number and the hardware fitted), power supply voltage levels, modem temperature indication, loopback status and the IP address of the M&C port (for when this has been set using DHCP).

  • Page 103: Test Screen

    Q-Lite Satellite Modem Installation and Operating Handbook 6.2.12 Test Screen The following test functions are supported as shown on Figure 6-58: • Loopback. This allows selection of internal loopback between the transmit and receive paths, at different points in the processing chain. This provides a convenient way of checking modem operation in isolation from other equipment.

  • Page 104: Ber Test

    Q-Lite Satellite Modem Installation and Operating Handbook • RF loopback allows a user to link the transmit path to receive with a cable external to the Modem. When enabled, the Modem moves the Rx frequency to be the same as the transmit to enable demod lock. If the Rx configuration is set the same as Tx, then the loopback will work without any further configuration.

  • Page 105: Ip Test Features

    Q-Lite Satellite Modem Installation and Operating Handbook The Inject Error button can be used to inject a single error into the bit pattern, which should increment the number of bit errors by one. The Cyclic Error forces a single error to be injected periodically. The frequency can be selected from a drop down box (in bits) which appears once the cyclic error is selected.
  • Page 106 Q-Lite Satellite Modem Installation and Operating Handbook Figure 6-61 IP TCP Packet Receiver Screen Figure 6-62 IP TCP Test Throughput Screen Figure 6-63 shows a ping facility built into the modem, which can be used to test connectivity from the modem to other network devices and locations. Figure 6-63 IP Connectivity Test Screen 6-94...

  • Page 107: Chapter 7 Modem Concepts

    Q-Lite Satellite Modem Installation and Operating Handbook Chapter 7 Modem Concepts 7.1 Automatic Uplink Power Control Authorisation from the satellite operator should be sought before AUPC is activated. 7.1.1 Introduction Automatic Uplink Power Control (AUPC) provides a mechanism to counteract changes in atmospheric conditions, such as rain, that degrade the performance of satellite links.

  • Page 108: Software Activated Features

    To enable one or more features permanently (referred to as Permanent Mode), a modem-specific feature code needs to be obtained from Teledyne Paradise Datacom. The code is tied to the modem serial number (available via the user interfaces and on the back panel).

  • Page 109: Linkguard™ Interference Detection

    Q-Lite Satellite Modem Installation and Operating Handbook 7.4 LinkGuard™ Interference Detection LinkGuard™ is a Paradise patent-pending technology for detecting in-band interference underneath satellite carriers while remaining on traffic. A visual indication of any unwanted interference is provided through a signal-under-carrier spectrum web graph showing the wanted carrier along with any unwanted interference.

  • Page 110: Fastlink Low-Latency Ldpc

    Q-Lite Satellite Modem Installation and Operating Handbook When Paired Carrier is being used (where two carriers are deliberately superimposed on top of each other) then LinkGuard™ is capable of detecting and displaying any interference under both of the carriers. For existing links, even ones that do not use Paradise modems, a LinkGuard™-capable modem can be set up to receive the same Rx signal in order to simply monitor the link for interference (so long as it can lock to the carrier).

  • Page 111: Ip Functionality

    Q-Lite Satellite Modem Installation and Operating Handbook FastLink BER performance is available within the Spectral Efficiencies application note from Customer Support. 7.6 IP Functionality 7.6.1 Base Modem IP As shown in Figure 7-10, the modem has one RJ45 auto-sensing Gigabit Ethernet port for M&C and one for sending and receiving satellite IP traffic.

  • Page 112: Gateways

    Q-Lite Satellite Modem Installation and Operating Handbook 7.6.2.1 Gateways There is a single gateway address for the modem. This can be applied to any subnet. If further gateways are required, then these can be applied as static routes. 7.6.3 Throughput Performance Actual throughput performance depends on a number of factors including one way/two way traffic, packet size, data rates and the mixture of IP features switched on.
  • Page 113 Q-Lite Satellite Modem Installation and Operating Handbook Closed Network plus ESC. It was originally intended for inter-earth station communications and is often used for M&C control of remote equipment. The ESC is implemented as an internal serial interface run at baud rates up to a maximum of 115kbps.

  • Page 114: Ip Interoperability

    Q-Lite Satellite Modem Installation and Operating Handbook Note that the ESC channel is used to support the AUPC feature but this does not prevent it being used for other purposes at the same time (the AUPC messages are just multiplexed in with the other data).

  • Page 115: Traffic Shaping

    Q-Lite Satellite Modem Installation and Operating Handbook 7.6.10 Traffic Shaping Traffic shaping provides control over the management of data within the modem. Specifically it provides a guaranteed quality of service for defined IP data streams. It is aligned with all of the major quality of service schemes and can be used to extend terrestrial services over satellite to create fully provisioned end-to-end services, thereby providing direct support for the implementation of customer service level agreements.

  • Page 116: Stream Classification

    Q-Lite Satellite Modem Installation and Operating Handbook streams have BIRs set (meaning that they are all potentially competing for the same excess bandwidth)? This is determined by the stream Priority setting. In this case, the allocation of the spare bandwidth between competing schemes will be done based on the priority level allocated to each stream.
  • Page 117 Q-Lite Satellite Modem Installation and Operating Handbook If matching on a port is also selected then the packet will only be classified as part of the data stream if both the address and the port number match. Up to 16 streams are supported, each of which has its own CIR, BIR and priority level settings.
  • Page 118 Q-Lite Satellite Modem Installation and Operating Handbook In another example, assume Class 2 is being received at 45% and Class 1 at 70%. In this situation the Class 1 data stream will be allocated 60%, its maximum, while Class 2 will be allocated only 40%.
  • Page 119 Q-Lite Satellite Modem Installation and Operating Handbook passed to the modem must have this field set to the appropriate value in order for the modem to recognize the different data streams. [Note that the modem includes support for IEEE 802.1p (priority tagging) as an alternative QoS scheme to traffic shaping in its own right.

  • Page 120: Traffic Shaping Graphs

    Q-Lite Satellite Modem Installation and Operating Handbook EXP field has eight possible values, mapping directly to equivalent internal modem classes (0 to 7) each of which can be shaped using its own CIR, BIR, etc. Each packet passed to the modem must have this field set to the appropriate value in order for the modem to recognize the different data streams.

  • Page 121: Header Compression

    Q-Lite Satellite Modem Installation and Operating Handbook These provide ‘Cisco IOS-like’ commands that will be familiar to users of Cisco equipment. When using telnet to login to the Quagga (the default password is ‘paradise’) various port numbers are used to access the routing protocol to be configured, as follows: •...

  • Page 122: Vlan Operation

    Q-Lite Satellite Modem Installation and Operating Handbook 7.6.13 VLAN Operation A VLAN allows virtual networks to be created as opposed to being limited to purely physical segments. Benefits include creating a restricted broadcast domain so not everyone sees all traffic, plus added security. Transparent VLAN operation is supported in bridging mode.
  • Page 123 Q-Lite Satellite Modem Installation and Operating Handbook ACM can work all the way down to a negative Es/No, i.e. below what the link was designed for, it effectively gives 100% link availability (albeit at a reduced data rate). Note that with DVB-S2 ACM, pilots are automatically switched on at operating points where their use achieves the maximum throughput for a particular Es/No.

  • Page 124: Dvb-S2X, Dvb-S2 And Smartlink

    Q-Lite Satellite Modem Installation and Operating Handbook 7.7 DVB-S2X, DVB-S2 and SmartLink The Q-Lite modem supports SCPC, DVB-S2/S2X and combined SCPC/DVB-S2 operation. The DVB-S2 standard was approved by ETSI (European Telecommunications Standards Institute) in November of 2006 and was extended in March of 2014 by the DVB-S2X standard.
  • Page 125 Q-Lite Satellite Modem Installation and Operating Handbook Figure 7-14 Processing Paths through Modem (Top path is SCPC; lower path is DVB-S2/SmartLink) If DVB-S2 is required but no SCPC features are required then as well as selecting SmartLink, the Tx or Rx service should be set to Closed network as this does not add any extra framing to that provided by DVB-S2.

  • Page 126: Paired Carrier

    Q-Lite Satellite Modem Installation and Operating Handbook regular burst of unmodulated carrier that helps the demodulator lock onto the signal in poor signal-to-noise conditions at a cost of increased overheads of around 2.4%. 7.8 Paired Carrier+ Paired Carrier+ can be used to reduce satellite bandwidth requirements by up to 50% by overlapping transmit and receive carriers in the same space segment.
  • Page 127 Q-Lite Satellite Modem Installation and Operating Handbook Figure 7-16 Q-Lite Rugged Modem Paired Carrier Processing Paired Carrier+ can be added to existing systems as well as being incorporated into the design of new systems. The signal cancellation techniques used guarantees at least 25dB (typically 30dB) cancellation of the unwanted signal meaning that the uplink and downlink signals can share the same space segment.
  • Page 128 Q-Lite Satellite Modem Installation and Operating Handbook Paired Carrier+ and DVB-S2/S2X represent two of the most bandwidth-efficient technologies available today and can be used together in the Q-Lite modem. Some frequently asked questions about Paired Carrier+ operation along with answers are provided below.
  • Page 129 Q-Lite Satellite Modem Installation and Operating Handbook A. Paired Carrier+ has a minimal impact on Eb/No for a desired BER but typically between 0.15dB and 0.5dB extra carrier power is required to be transmitted on satellite to overcome the imperfections in the signal cancellation process. Also, of course, power is needed for the second carrier.

  • Page 130: Antenna Control

    Q-Lite Satellite Modem Installation and Operating Handbook 7.9 Antenna Control Two methods of antenna control are provided by the modem: • A scalable (0 to 10V) AGC output is available via the Alarms & AGC serial connector (the pinout for which is defined in Chapter 10). The AGC output can be set to represent the demodulator AGC level, the Rx composite power level, the Rx wanted signal level or the receive Eb/No level (the last two of which are only available when the demodulator is locked).
  • Page 131 Q-Lite Satellite Modem Installation and Operating Handbook In addition to the AGC output on pin 8, there is a Tx Mute control and the Rx Lock status can be obtained on the Alarms & AGC connector as follows: • Pin 3 provides an indication for Rx traffic faults, the highest priority fault of which is a demodulator unlock (so the alarm output approximately amounts to a demodulator lock/unlock status).

  • Page 132: Beacon Receiver

    Q-Lite Satellite Modem Installation and Operating Handbook 7.10 Beacon Receiver The Q-Lite modem supports a beacon receiver mode of operation as standard. The beacon receiver support in the modem can help with automatic antenna pointing when attempting to lock onto a satellite. This modem feature negates the need for a separate beacon receiver.

  • Page 133: Point-To-Multipoint Interoperation With Qmultiflex-400 Hub

    Q-Lite Satellite Modem Installation and Operating Handbook This feature is useful when deploying a satellite terminal, allowing the user to correctly identify the satellite that antenna is pointed towards. While active, the beacon detection interferes with the normal demodulation process of the modem but since beacon detection is normally a deployment activity prior to establishing a working service, this restriction should not be an issue.

  • Page 134: Chapter 8 Remote Control Protocol

    Q-Lite Satellite Modem Installation and Operating Handbook Chapter 8 Remote Control Protocol The modem supports the following remote control interfaces: • A built-in remote web user interface that provides web pages from the modem (using a web server) to a web browser. This is accessed by entering the IP address of the modem into a web browser address bar (the web server being on port 80).
  • Page 135 Q-Lite Satellite Modem Installation and Operating Handbook 02 15 01 09 6C 6F 67 69 6E 20 70 61 72 61 64 69 73 65 2A B6 03 02 08 01 09 20 2A 54 03 Set the transmit power to a new value. (-20). (The response has a value of *.) F T x F P w r 2 0 *...

  • Page 136: Chapter 9 Data Interfaces

    Q-Lite Satellite Modem Installation and Operating Handbook Chapter 9 Data Interfaces The modem provides Ethernet IP interfaces as standard. IP Interface The modem supports four RJ45 Ethernet ports for IP traffic and M&C. The Ethernet supports 10/100/1000Mbps data rates and uses CAT 5 Ethernet cable. Both straight and crossover cables are supported.

  • Page 137: Chapter 10 Fault Messages

    Q-Lite Satellite Modem Installation and Operating Handbook Chapter 10 Fault Messages The following table lists all of the modem faults along with a description of what the fault means. It also describes relevant checks the operator might make to try to eliminate the fault condition.

  • Page 138: Transmit Faults

    Q-Lite Satellite Modem Installation and Operating Handbook 10.1 Transmit Faults Fault Text Notes Relays To Ter To Sat Other Tx fault: External Tx clock The modem is set to use an external clock but no clock is SA,SC selected, but no clock being provided.

  • Page 139: Transmit Warnings

    Q-Lite Satellite Modem Installation and Operating Handbook on ports (1 to 4). specified timeslots from specified ports onto transmitted carrier. Tx fault: FastLink: Aligned FastLink error whereby FEC is unable to process the data frame FIFO overflow. to be transmitted due to an internal buffer overflow. fault: FastLink: FastLink error whereby FEC is unable to process the data...

  • Page 140: Receive Faults

    Q-Lite Satellite Modem Installation and Operating Handbook 10.3 Receive Faults Fault Text Notes Relays To Ter To Sat Other The demodulator can lock to the carrier and the inner Rx fault: RS de-interleaver FEC decoder to the demodulated data. However, the unable to sync to decoded Reed-Solomon de-interleaver cannot synchronise with TA,TC...

  • Page 141: Receive Warnings

    Q-Lite Satellite Modem Installation and Operating Handbook Fault Text Notes Relays To Ter To Sat Other This is as a result of setting the modem to mute terrestrial data on an rx loss of sync (where the data Rx fault: Terrestrial muted isunmuted when the Eb/no threshold is exceeded).
  • Page 142 Q-Lite Satellite Modem Installation and Operating Handbook Fault Text Notes Relays To Ter To Sat Other A backward alarm has been detected at the Rx input. This indicates that equipment downstream of the transmit Rx warning: Backward path (i.e. from the modem Tx output) has failed and is alarm from satellite returning an alarm.

  • Page 143: Unit Faults

    Q-Lite Satellite Modem Installation and Operating Handbook 10.5 Unit Faults Fault Text Notes Relays Other A PSU line has failed. The unit has a linear supply and Unit fault: One or more will fail if the mains input is below the specified minimum RF, TF, TA,TC PSU rails are out of range.

  • Page 144: Start-Up Problems

    Q-Lite Satellite Modem Installation and Operating Handbook 10.7 Start-up Problems Fault Text Notes Relays To Ter To Sat Other Remove the mains input lead, wait for a short period of Unit fails to boot, due to an time and then re-power the unit. As soon as the invalid configuration, but initialising screen is reached enter 1, 3, 7, and 9 using passes the initial built in...

  • Page 145: Chapter 11 Specification Summary

    Q-Lite Satellite Modem Installation and Operating Handbook Chapter 11 Specification Summary 11.1 Common Main Specifications Parameter Modem BPSK, QPSK, OQPSK, 8PSK, 8APSK, 8QAM, Modulation Scheme 16APSK, 16QAM, 32APSK, 64APSK, 64QAM L-band Frequency 950 to 2450 MHz Range Frequency Resolution 50 – 90MHz and 100 – 180MHz IF Frequency Range Frequency Resolution Traffic Interface -...
  • Page 146 Q-Lite Satellite Modem Installation and Operating Handbook DVB-S2: QPSK 1/4, 1/3, 2/5, 1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 8/9, 9/10 8PSK 3/5, 2/3, 3/4, 5/6, 8/9, 9/10 16APSK 2/3, 3/4, 4/5, 5/6, 8/9, 9/10 DVB-S2X Normal Frame: QPSK: 13/45, 9/20, 11/20 8PSK: 23/36, 25/36, 13/18 8APSK-L: 5/9, 26/45 16APSK: 26/45, 3/5, 28/45, 23/36, 25/36, 13/18, 7/9, 77/90...

  • Page 147: Tx Modulator Specifications

    Q-Lite Satellite Modem Installation and Operating Handbook 11.2 Tx Modulator Specifications Parameter Modem +5 to –40dBm (950 to 1950MHz) 0 to –40dBm (1950 to 2150MHz) L-band Output Power 0 to –30dBm (2150 to 2450MHz) Level (0.1dB steps) 0 to –25dBm (0.1dB steps) IF Output Power Output Level Stability ±1.0dB, 0ºC to 50ºC...

  • Page 148: Rx Demodulator Specifications

    Q-Lite Satellite Modem Installation and Operating Handbook 11.3 Rx Demodulator Specifications Parameter Modem IF minimum: -130 + 10 log (symbol rate) L-band Input Range L-band minimum: -140 + 10 log (symbol rate) IF/L-band maximum: -68 + 10 log (symbol rate) L-band Maximum +10dBm Composite signal...

  • Page 149: Framing And Deframing Specifications

    Q-Lite Satellite Modem Installation and Operating Handbook NB: When set to 10MHZ, the station reference may replace internal reference to all internal circuitry and reference outputs on the IF ports. The unit automatically switches back to internal reference if the station reference fails. Selectable in 1ms increments from 0ms to 99ms at data rates up to 42Mbps and from 0ms to 80ms at data rates from 42Mbps up to 55Mbps.

  • Page 150: Traffic Log Specifications

    Q-Lite Satellite Modem Installation and Operating Handbook 11.8 Traffic Log Specifications Parameter Modem Capacity Over 6000 entries Fault message with time and date stamp. Entry Format Separate entry when fault clears/changes. 11.9 Common Specifications Parameter Modem Interface Loop (Local and Remote) Internal IF loopback (local, automatically matching Loop-backs Rx IF frequency to Tx)

  • Page 151: Internet Traffic

    Q-Lite Satellite Modem Installation and Operating Handbook Mechanical Card: 255mm x 184mm x 13mm Weight Without option cards: 397g Power Supply 24 Volt DC input (not provided) Safety EN 62368-1:2014 Edition 2 Emission and Emissions: EN55022:2006 Class B Immunity Immunity: EN55024:1998 (+ A1:2001 + A2:2003 Operating Temperature Range: Environmental Q-Lite: -40ºC to 85ºC...

  • Page 152: Fec Ber/Per Performance

    Q-Lite Satellite Modem Installation and Operating Handbook 11.12 FEC BER/PER Performance BER curves are no longer provided by Paradise. Instead, performance based at specific points is given. This reflects the fact that modern FECs have extremely steep curves and it is extremely difficult, if not impossible, to actually operate at a specific point on the curve.
  • Page 153 Q-Lite Satellite Modem Installation and Operating Handbook Pilots Disabled Pilots Enabled Modulation Es/No Eb/No Spectral Es/No Eb/No Spectral and Coding (dB) (dB) Efficiency (dB) (dB) Efficiency QPSK R1/4 -1.70 2.67 0.365324 -2.10 2.37 0.357467 QPSK R1/3 -0.67 1.35 0.629060 -0.64 1.47 0.615532 QPSK R2/5...
  • Page 154 Q-Lite Satellite Modem Installation and Operating Handbook 16APSK R25/36 9.82 5.43 2.745734 9.55 5.26 2.680571 16APSK R13/18 10.16 5.60 2.856231 10.09 5.63 2.788445 16APSK R7/9 11.13 6.24 3.077225 11.05 6.27 3.004195 16APSK R77/90 12.64 7.34 3.386618 12.59 7.40 3.306245 32APSK R2/3-L 11.70 6.53 3.291954...

  • Page 155: Fastlink

    Q-Lite Satellite Modem Installation and Operating Handbook 11.12.2 FastLink Figure 12-5 BER for FastLink 11.12.3 Figure 12-6 BER for TPC 11-19...

  • Page 156: Dvb-S/Dsng

    Q-Lite Satellite Modem Installation and Operating Handbook 11.12.4 DVB-S/DSNG Figure 12-7 BER for DVB-S/DSNG 11-20...

  • Page 157: Fec Minimum/Maximum Data Rates

    Q-Lite Satellite Modem Installation and Operating Handbook 11.13 FEC Minimum/Maximum Data Rates Min Data Max Data FEC/Modulation FEC Rate Rate kbps Rate Mbps Normal Frames DVB-S2X QPSK 13/45 56.79 25.55 DVB-S2X QPSK 9/20 88.92 40.02 DVB-S2X QPSK 11/20 108.86 48.98 DVB-S2X 8APSK-L 164.73 74.12...
  • Page 158 Q-Lite Satellite Modem Installation and Operating Handbook Min Data Max Data FEC/Modulation FEC Rate Rate kbps Rate Mbps DVB-S2 QPSK 16.43 DVB-S2 QPSK 65.7 28.30 DVB-S2 QPSK 34.24 DVB-S2 QPSK 98.9 38.19 DVB-S2 QPSK 118.9 52.04 DVB-S2 QPSK 132.3 57.97 DVB-S2 QPSK 148.8 63.91...
  • Page 159 Q-Lite Satellite Modem Installation and Operating Handbook Min Data Max Data Modulation/FEC FEC Rate Rate kbps Rate Mbps BPSK VIT / SEQ 15 / 2 BPSK VIT / SEQ 22.5 / 2 BPSK VIT / SEQ 26.2 / 2 BPSK VIT RS 13.33 BPSK VIT RS BPSK VIT RS...

  • Page 160: Chapter 12 Glossary

    Technical Support can help with: • Queries regarding equipment operation. • The return of equipment for upgrade or repair. • Customer training. • Application notes and white papers. Contact details in Europe and North America are as follows: Teledyne Paradise Datacom 13-1...
  • Page 161 5. Generate the required import paperwork explicitly following the import/export procedures stated when the RMA number was given. 1. Outside of the UK, fax the paperwork to us directly and return the goods to Teledyne Paradise Datacom. Within the UK, fax the paperwork and return the goods to the Teledyne Paradise Datacom UK facility.
  • Page 162 Q-Lite and Evolution Series Installation and Operating Handbook 13-3...

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