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AMT-70/AMT-73/AMT-75 Installation and Operation

160

CHAPTER 16 APPENDIX E DVB-S2

THEORETICAL PERFORMANCE

The DVB-S2 S/N specification for DVB-S2 NORMAL Block size is listed in

Figure 88

. This

data is taken directly from the DVB-S2 specification.

Mode

Spectral efficiency

Ideal Es/No (dB)

QPSK ¼

0.490243

-2.35

QPSK 1/3

0.656448

-1.24

QPSK 2/5

0.791874

-0.30

QPSK ½

0.988857

1.00

QPSK 3/5

1.188303

2.23

QPSK 2/3

1.322251

3.10

QPSK ¾

1.487472

4.03

QPSK 4/5

1.587195

4.68

QPSK 5/6

1.654662

5.18

QPSK 8/9

1.766451

6.20

QPSK 9/10

1.788612

6.42

8PSK 3/5

1.779989

5.50

8PSK 2/3

1.980633

6.62

8PSK ¾

2.228122

7.91

8PSK 5/6

2.478560

9.35

8PSK 8/9

2.646012

10.69

8PSK 9/10

2.679207

10.98

16APSK 2/3

2.637197

8.97

16APSK ¾

2.966726

10.21

16APSK 4/5

3.165621

11.03

16APSK 5/6

3.300181

11.61

16APSK 8/9

3.523142

12.89

16APSK 9/10

3.567341

13.13

Figure 88: DVB-S2 Theoretical Performance figures

for FECFRAME length=64 800. Note that for FEC Frame SHORT 16Kbit blocks the ideal
Es/No are 0.25dB worse.

Содержание AMT-70

Страница 1: ...75 Installation and Operation AMT 70 Series with AMT 73 Supplement with AMT 75 Supplement L Band Satellite Modem 32k 40 MSymbol BPSK QPSK OQPSK 8PSK 16QAM Installation and Operations Manual Version 2...

Страница 2: ...gs V1 2 Aug 31 004 Specified connectors Added page 7 10 with Figure 42 for back panel connectors and associated table V1 3 Oct 25 2004 Alarm Relay Redundancy Support Added RS485 Terminal Mode Support...

Страница 3: ...ing Continuous Carrier Mode Added Appendix B to include Eb No to S N N Conversion Charts Added Rate eTPC to AMT 70 73 Technical specs Changed TREF to TFREF in paragraph 2 8 and added support in paragr...

Страница 4: ...19 20 RPOWER support for AMT73L Buffer Re center Support for RS530 1 HSSI card New Summary alarm page New LED function for AMT70 TTPCS RTPCS commands added Turbo Performance Graphs added 2 8 Feb 22 20...

Страница 5: ...ce Head Office AdvantechAMT 657 Orly Avenue Dorval Quebec H9P 1G1 Tel 1 514 420 0045 Fax 1 514 420 0073 Email info advantechAMT com The following offices also provide technical support for the modems...

Страница 6: ...Control Alarms 40 2 5 8 Redundancy 40 2 6 Data Connections AMT 73L Series 40 2 6 1 Data Port EIA TIA 449 MIL STD 188 114 40 2 6 2 External Clock Reference MIL STD 188 115 41 2 7 RF IF Interfaces 41 2...

Страница 7: ...T PANEL 57 4 1 Quick Start Guide 57 4 1 1 Bench Test Setup 57 4 1 2 Placing Modem Online 59 4 2 The Front Panel 60 4 2 1 Panel Indicators 60 4 2 2 Keypad Display 62 4 2 3 Welcome Menu 63 4 2 4 Main Me...

Страница 8: ...e SNMP traps 94 5 13 2 Using the log file 94 Chapter 6 THE MODEM COMMAND SET 96 6 1 Introduction 96 6 1 1 The Command Syntax 96 6 1 2 The Modulator Demodulator Standard Commands 96 6 1 3 The Modulator...

Страница 9: ...em Configuration 120 10 5 TX Carrier Enable 121 Chapter 11 REDUNDANCY 122 11 1 Hardware Installation 122 11 1 1 ASI Interface 122 11 1 2 RS 530 HSSI interface 124 11 1 2 1 Front panel push buttons 127...

Страница 10: ...E MODE CLI 83 FIGURE 23 CHANGING THE SECURITY CODE PASSWORD 84 FIGURE 24 LISTING THE MODEM COMMAND SET 85 FIGURE 25 MODEM SHELL FUNCTION KEYS 85 FIGURE 26 USING THE COMMAND COMPLETION MODE 86 FIGURE 2...

Страница 11: ...REGISTER 129 FIGURE 66 TYPICAL AMT 70 CABLING INSTALLATION 132 FIGURE 67 INSTALLATION USING 70 MHZ INPUTS 132 FIGURE 68 POWER LOSS IN LMR 600 CABLE VERSUS CABLE LENGTH 133 FIGURE 69 QSSK S N CONVERSI...

Страница 12: ...rmediate Data Rate IESS 308 IESS Intelsat Earth Station Standard IETF Internet Engineering Task Force IF Intermediate Frequency Ku Band ITU defined frequency band 13 40 14 00GHz 15 70 17 70GHz L Band...

Страница 13: ...appareil 1 To ensure adequate cooling of the equipment a 2 0 inch unobstructed space must be provided around all sides of the unit 1 Um die K hlung des Ger tes nicht zu beeintr chtigen ist es notwend...

Страница 14: ...er by AdvantechAMT shipping prepaid by AdvantechAMT This warranty shall immediately become null and void if in AdvantechAMT s sole judgment the Product has been subject to unauthorized modification mi...

Страница 15: ...tomer Service engineer will answer warranty related questions discuss your specific equipment problems and when necessary give you shipping instructions for returning equipment to AdvantechAMT for rep...

Страница 16: ...n SCSI 2 connector F for HSSI Data RJ 45 for Ethernet option and for balanced bi directional E1 T1 interface with Octal E1 T1 card Data Clock Source Modulator will be defined as Data Communications Eq...

Страница 17: ...Level 0 dBm 2 dB Internal Freq Stability Stratum 1 0 15 ppm due to all sources BUC Supply 24V or 48V DC Optional DEMODULATOR Data Rate 16 Kbps to 140 Mbps variable Data Rate Options 16kbps to 10Mbps...

Страница 18: ...orage NVRAM Data Interfaces RS 530 V35 standard ASI optional Single HSSI interface standard Triple HSSI interface optional Ethernet 10 100 Base T optional G 703 optional Nx T1 E1 optional Receiver ASI...

Страница 19: ...rnal reference w o warm up Per EIA 334 or 5 nanoseconds whichever is greater Data Scrambling Modes No Scrambling IESS 308 IESS 309 IESS 310 OM 73 V G BPSK QPSK and OQPSK Differential Encoding Modes Of...

Страница 20: ...rature Rate of change shall be 22 o Hr Vibration Between 50 2 000 Hz with constant input acceleration of 1 5 gf Hr Shock Impact of test hammer of 1 lb attached to 8 arm through vertical plane striking...

Страница 21: ...KSymbol to 30 MSymbol Acquisition Range Data Rate Max Initial Acquisition Max Reacquisition Acquisition Time BER of 10 3 Viterbi with 30 kHz frequency uncertainty 16 kbps 64 kbps 128 kbps 1 544 Mbps 5...

Страница 22: ...ta Interfaces EIA TIA 449 MIL STD 188 114 DB 37 f connector labeled J8 Single HSSI interface 50 pin f HSSI connector labeled J18 Optional RS530 connector and 10 100 Base T Ethernet Monitoring Control...

Страница 23: ...ft with NEMA 5 15P connector Modem to operate without interruption degradation of performance during switchover in power from a 120 VAC 60 Hz to a 220 VAC 50 Hz source with a loss in power less than 2...

Страница 24: ...pin D sub F for Alarm interface switch over contact RJ 45 10 100BaseT Ethernet Data Connector 25 pin D sub F standard for RS530 Data interface BNC F 75 for ASI and E3 T3 G 703 interfaces 50 pin SCSI 2...

Страница 25: ...BUC Supply 24V or 48V DC Optional DEMODULATOR Data Rate 16 Kbps to 150 Mbps variable Data Rate Options 16kbps to 10Mbps 20Mbps 52Mbps and 150Mbps Symbol Rate 128 KSymbol to 45 MSymbol Data Scrambling...

Страница 26: ...al M C Interface 10 100Base T RS 232 RS 485 SNMP future option Configuration Parameter Storage NVRAM Data Interfaces RS 530 V35 standard ASI optional Single HSSI interface standard Triple HSSI interfa...

Страница 27: ...tal Satellite News Gathering DSNG and other contribution applications by satellite Intelsat Earth Station Standards IESS Documents IESS 308 309 310 315 Performance Characteristics for Intermediate Dat...

Страница 28: ...EC National Electric Code by the National Fire Protection Code NFPA FED STD 595 Federal Colors Standard 595 EIA TIA 449 General Purpose 37 Pin and 9 Pin Interface for Data Terminal Equipment and Data...

Страница 29: ...one demodulator Interfaces include RS 530 to 10Mbps and HSSI to 52Mbps and optionally Ethernet router 10 100 Base T to 20 Mbps and ASI or Triple HSSI to 140Mbps AMT 70 Octal T1 E1 High speed modem wit...

Страница 30: ...ter BDC and Block Up Converter BUC FEC RSV both Intelsat and DVB S DSNG eTPC and DVB S2 AMT75 BPSK QPSK 8PSK 16QAM OQPSK 16APSK modulation FFT Technology for reliable acquisition Occupies 1 Rack Unit...

Страница 31: ...and input of 950 2000 MHz tunable in 1 Hz steps Optionally support to 2050MHz on both TX and RX Optional IF interface 70 18 MHz 140 36 MHz Optional provision of DC power and reference for Low Noise Bl...

Страница 32: ...e next page depicts the options available for the AMT 70 modem family Caution should be taken to insure that the correct modem model is used when DC power is applied to the BUC When your modem is rece...

Страница 33: ...ANCY OPTIONS 0 A OPTION I DATA INTERFACE OPTIONS RS 530 1x HSSI B ASI C 1x HSSI D E G RS 530 1x HSSI Dopp Buff H F 3 x HSSI RS530 APOC RS 530 1x HSSI 10 100BT APOC Not Fitted 8 x G 703 10 100BT J RS 5...

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Страница 37: ...nsure that all necessary parts are present A quick review of your pre installation site survey form purchase order and shipping list should reveal any discrepancies 2 2 3 Site Considerations The insta...

Страница 38: ...ear panel NOTE Only the U S type power cord is shipped with the AMT 70 Because no international power cords are shipped with the AMT 70 you must supply an appropriate approved power cord for the count...

Страница 39: ...ith two 6 32 x 5 16 inch Phillips countersunk screws Each angle is attached to a support by one 8 32 x 1 2 inch screw one 8 lock washer one 8 flat washer 3 8 inch outer diameter one 8 flat washer 1 2...

Страница 40: ...e rear panel One is labeled P6 and the other is labeled P1 both are RJ 45 connectors see Figure 50 for pin outs The P1 connector is used during manufacturing and relates to the demodulator only and sh...

Страница 41: ...There are currently no provisions for providing power to the BUC or SSPB 2 7 3 Demodulator L Band Input AMT 70L and 75 The demodulators on all AMT 70L modems are capable of being used in conjunction...

Страница 42: ...re capable of operating with the standard C X or Ku Band BDC with their outputs producing 70 MHz on the output The figure below shows a typical installation using the 70 MHz inputs and the C X or Ku B...

Страница 43: ...ocessing capabilities such as a VT 100 or the more popular terminal emulation software such as HyperTerminal which is usually included in PC and MAC Windows operating software or Minicom for Linux OS...

Страница 44: ...2 1 Demodulator Acquisition Tips This section is a useful checklist for debugging the demodulator acquisition process with some tips for getting the best performance from the modem Check the input con...

Страница 45: ...form by approximately 1dB Intelsat systems because they include a better interleaver between the constituent Viterbi and RS codes The AMT 70 Modem also supports higher order modulation systems such as...

Страница 46: ...y environments The link budget problem normally consists of determining the optimum economic solution for the particular network requirements given the satellite parameters the price for utilization o...

Страница 47: ...640 kHz 1785 kHz 9 0 6 9 256 kbps QPSK rate 1 2 360 kHz 390 kHz 6 5 4 4 256 kbps QPSK rate 3 4 240 kHz 260 kHz 7 8 5 9 256 kbps QPSK rate 7 8 205 kHz 225 kHz 9 0 6 9 128 kbps QPSK rate 1 2 180 kHz 195...

Страница 48: ...ts 3 3 3 SCPC Modem AMT 70 supports traditional SCPC modem applications offering a wide choice of data rate from 64kbps to 52Mbps on the RS 530 and HSSI data ports and from 256 kbps to 140 Mbps on the...

Страница 49: ...rs are as follows Figure 6 AMT70 Modem Default Parameters Modulator Parameters Demodulator Parameters Interface Parameters Data Rate Units BPS Data Rate Units BPS Interface Type rs530 Data Rate 5 000...

Страница 50: ...ration number you want to save using the numeric keypad The way the firmware creates the saved file is by querying all the modem cards for the active setup and writing these values on flash Finally yo...

Страница 51: ...ways in the transmit path and has a fixed size This size is varied depending on the FEC system A command TXJTRST allows the variation of the de jitter buffer to be measured The demodulator incorporate...

Страница 52: ...EIA449 data RECEIVE CLOCK OPTIONS Doppler Buffer Mode This Doppler buffer can be switched between AUTO mode and Manual Mode In AUTO mode the buffer selects what is considered a reasonable delay In Man...

Страница 53: ...TE device which uses that clock to transmit the data out of its buffer The modem issues ST to the DTE and the DTE device returns TT to the modem In some cases the DTE does not return TT which is accep...

Страница 54: ...thod of isolating a problem to a particular area Both modems support the activation of a pure carrier which allows offline testing of the modulator output such as phase noise frequency accuracy Cautio...

Страница 55: ...e of 10 test patterns 5 non inverted 5 inverted from the modulator a demodulator equipped with a like BER tester or a BER tester itself can test the link integrity and obtain a reasonable Eb No and BE...

Страница 56: ...Rate measured from errors detected on the PRBS sequence The BER can be reset by selecting FUNC TEST RESET RX STATS This measure can be accessed via the CLI command RBER NOTE THIS VALUE IS MEANINGLESS...

Страница 57: ...dulator in BER Test mode with a 223 test pattern and the Tx and Rx frequencies set to 1 GHz And most importantly it sets the Tx power output to 25 dBm which is the lowest calibrated power output from...

Страница 58: ...appears xx should actually be 25 at this time Arrow over until the P in POWER is flashing Hit ENT Change the power output by arrowing over to each value and then use the keypad to enter the number Wh...

Страница 59: ...34567000Hz CARR FRQ 1000000000Hz 1234590000Hz DATA 005000000BPS 256000BPS DATA 005000000BPS 256000BPS CODE INTELSAT TPC4K CODE INTELSAT TPC4K RATE 1 2 3 4 RATE 1 2 3 4 RSRATE OFF OFF DESCRAM ON ON SGN...

Страница 60: ...the parameters are within range the msg following CONFIRM is Current settings saved When all of the parameters are entered and confirmed now would be the time to connect the modem to the satellite fe...

Страница 61: ...dulator channel 1 is not locked to a received signal if OFF the channel is locked RX 2 Fault Red Off Reserved TX Fault Red Indicates that the modulator is not transmitting due to a fault or user inter...

Страница 62: ...oves the cursor to the left through designated fields Can also be used for navigation from the top line to the bottom line of the VFD display and vice versa by toggling to the left through fields UP M...

Страница 63: ...will return the display to the Main menu By pressing the LEFT or RIGHT key the cursor will move sequentially through the remaining functions items listed in the main menu These 6 functions are labeled...

Страница 64: ...of the POWER parameter Arrow UP or DOWN to change the sign Continue to change the total value remembering that the range of 0 to 25 dB cannot be exceeded If you want to implement execute the change p...

Страница 65: ...is always highlighted at this level 4 2 5 1 1 The Transmit Menu The TRANSMIT menu includes a set of displays that allow the setting of programmable modulator commands The first display indicated as T...

Страница 66: ...K C A R R F R Q 1 2 0 0 0 0 0 0 0 H z B P S K Carrier Freq from 950 000 000 to 2 000 000 000Hz L Band IF O Q P S K Q Carrier Freq from 104 to 176 MHz 140 MHz IF O Q P S K I Carrier Freq from 52 to 88...

Страница 67: ...ed within the range of settings as defined in paragraph 4 2 6 the msg of Current settings saved appears If it is not accepted a msg of Parameter out of range appears To change a parameter arrow to the...

Страница 68: ...Q P S K Carrier Freq from 52 to 88 MHz 70 MHz IF 1 6 Q A M 8 P S K a b U N I T S B P S D A T A 0 0 2 0 4 8 0 0 0 b p s S P S Data Rate from 32 000 to 150 000 000bps or sps R X C O D E N O N E D E S C...

Страница 69: ...ing the ARROW LEFT or RIGHT keys then hitting ENT for the desired sub menu The DATA RATE parameter in the INTERFACE TX and RX sub menus are updated when the DATA rate parameters are changed in the TX...

Страница 70: ...5 3 0 T F D O R X L O P E X T E R N A L N A T T I N V O D T A I N V O N O F F F O F R X R E 4 A T 0 2 0 8 0 0 0 C L O C K I N G D E M O D Display only D T T E _ T L O C A L R T E D G E I N V O F F D...

Страница 71: ...e relevant statistical counters status bits The LOG option implements the front panel log file browsing function When this option is selected the LCD is auto refreshed if the browsing is set at the to...

Страница 72: ...d B m Range is 0 to 25 dBm S P T R M I N V N O R M A L I E N V E R T D S M O L Y B R A T E 1 6 4 0 0 0 s p s Rate is Tx SYMBOL rate in BPS mode Tx Rate in SPS I N P U T S T R K E A M L O C E D Locked...

Страница 73: ...B works when Mod is in PRBS test mode O F F S E T 0 0 0 0 2 0 0 0 0 0 H z 0 xxx xxx xxx Hz S P E C I N V N O R M A L I R N V E T D E C O D I N G I N T E L S A T Displays the current Active coding type...

Страница 74: ...K N O F F Status of digital AGC function C A R R I E C K R L O O N Status of carrier recovery O F F D E F R A C M E R L O K O N O F F Status of Turbo deframer for turbo modes A L L S T A T K E S L O C...

Страница 75: ...software version currently in use in the modem the RX and TX software versions the manufacturing date manufacturing options fitted and the measured 12 VDC from the modem s power supply 4 2 5 5 2 The C...

Страница 76: ...S T O R E C F G C R N The CONTROL submenu is used to sets up the modem ports and peripherals O N F I G U A T I O N O C L E A R O R 1 T H R U 9 C O N T R O L P O R T S L N B B U C L C D The NETWORK men...

Страница 77: ...asynchronous data port More information about the two methods of communication is provided in subsequent sections of this manual RS485 Menu 2 77 P R I M G A T E W A Y 1 9 2 1 6 8 2 5 4 2 3 8 S C N D A...

Страница 78: ...us The REFERENCE controls if the 10Mhz reference clock is used The TONE option set the 22kHz tone ON OFF Finally the POLARIZATION sets the LNB polarization 4 2 5 5 8 The CONTROL LCD submenu The CONTRO...

Страница 79: ...dulator statistical counters 4 2 5 5 10 The REBOOT option Finally the REBOOT option allows you to reboot the modem front panel without disconnecting the power cable from the back Before to perform the...

Страница 80: ...BPS Must be within Symbol Rate of 32 ksps to 40 Msps Viterbi Intelsat On Off SPS BPS Trellis 219 or 126 8PSK On Off Must be within Symbol Rate of 32 ksps to 40 Msps Viterbi DSNG 5 6 8 9 Automatic 204...

Страница 81: ...p It is recommended that the password be changed upon delivery to protect the settings of the modem Follow the steps starting on Paragraph 5 4 for gaining access and controlling the modem along with s...

Страница 82: ...rk routing addresses the CLI commands tsetcfg rsetcfg are used They are discussed in more detail later on in this chapter The network setting can also be configured through the front panel using the F...

Страница 83: ...em 5 5 Login to the modem The logon to the AMT 70 73L modem from the serial port or Telnet in command line mode is described below Command msh uClinux login root Password AMT 70 Modem Software V1 0 Co...

Страница 84: ...igure 23 Changing the Security Code Password We strongly recommend keeping your equipment password in a safe place The system implements a strong password scheme to protect the modem from network intr...

Страница 85: ...model you can type help all HELP Display alphabetic list of commands MODEL Display the modem model SERIAL Display the modem serial number MDATE Display the modem manufacturing date Figure 24 Listing...

Страница 86: ...starting with the prefix ts The command completion mode also supports the completion of the possible parameters for the commands In the example tspinv tab will suggest the parameters ON OFF or help I...

Страница 87: ...of the input lines are defined as follow Command Command to be executed Comment line Start with all remaining characters are ignored Space line Ignored 5 9 Configuring the RS 485 Port The RS 485 manag...

Страница 88: ...d is used to configure the network address for the interface P6 M C mode for AMT 70 or J9 M C mode for the AMT 73L This is the main management interface for the modem The Telnet command line interface...

Страница 89: ...e addresses network mask and gateway definitions 5 10 3 Using Telnet for Remote Control After the network information is configured your modem can be accessed through an Ethernet Internet network The...

Страница 90: ...CHAMT 1998 2004 All Rights Reserved 220 AdvantechAMT 2002 2004 All Right Reserved 220 220 FTP Server Version 1 0 ready KERBEROS_V4 rejected as an authentication type Name 192 168 1 132 root root 331 P...

Страница 91: ...he wrapper program for the Zmodem transfer enter the following at the prompt zdw h The help Response will be as follows F filename f pass xon xoff flow control to remote control j receive files by Zmo...

Страница 92: ...nada snmpcfg rocommunity rocommunity public snmpcfg rwcommunity 92 Parameter Values Description syscontact value MIB II syscontact The contact information for the administrator sysname value MIB II sy...

Страница 93: ...nts are reported as follow Event Trap Message Description LOG SNMP CONSOLE 1 Startup Completed This event occurs after the modem is rebooted and the software is initialized yes yes no 2 BUC Power stat...

Страница 94: ...t by the SNMP agent to the network manager For instance if the command BUCPOWER ON OFF is issued a message is recorded to the LOG file and an SNMP trap specific 6 2 or 6 3 is sent to the configured de...

Страница 95: ...ve the log on flash Typically the log is kept when you want to upload the file from the modem Use FTP set the directory to sbin directory in binary mode with the command get logfile When the modem is...

Страница 96: ...parameter is specified for the requests The figure below shows some example of the commands Figure 37 AMT70 command syntax 6 1 2 The Modulator Demodulator Standard Commands The figure below shows the...

Страница 97: ...ler ON or OFF Filter Alpha talpha 0 25 0 35 AMT70 or 0 12 0 35 AMT73L ralpha 0 25 or 0 35 Get Set the Nyquist filter roll off Spectral Invert ON OFF tspinv ON or OFF rspinv ON OFF or AUTO Get Set modu...

Страница 98: ...bDM Continuous wave mode tcwt OFF or ON When OFF modulator output is normal when ON modulator outputs in CW mode for n seconds Loopback mode tloopback OFF or ON Enables Disables the L Band Loopback Wh...

Страница 99: ...t rinput INPUT1 INPUT2 or LOOPBACK Get Set L Band output select LNB Power Control rlnbp ON or OFF Enable Disable DC power ON6 99 LNB 22 kHz tone rlnbto ON or OFF Enable Disable LNB 22 kHz tone on curr...

Страница 100: ...LL lock state NO 6 1 5 Getting the Chassis Configuration and Status Commands that are not specific to the Transmitter modulator or Receiver demodulator can be executed from the serial port on the rear...

Страница 101: ...nt software version 101 tversion Display the modulator software version rversion Display the demodulator software version if tfitted Ethernet Port Commands netconf Display the Ethernet ports configura...

Страница 102: ...RS530TFD ifttinv Control the edge of data interface transmit clock signal that registers the data TT This signal can be inverted for compatibility with some OEM equipments ON OFF iftdinv Control the...

Страница 103: ...ENABLE DISABLE Example commands hssi 1 rxrate Display HSSI channel 1 Rx data rate hssi 3 tcinv Display HSSI channel 3 Tx clocking inversion hssi 2 rxport Display HSSI channel 2 Rx Enable disable hssi...

Страница 104: ...scribed in Paragraph 7 2 PACKET The packet protocol application controls the RS 485 port This application is described in Paragraph 7 3 NONE In this mode the RS 485 is unassigned to any control applic...

Страница 105: ...aster modem sends 10 bytes binary requests to one of several slave modems on a network These requests can gather information GET request or configure the slave modems SET requests The tributary modems...

Страница 106: ...nnector Name Description Connector Type J1 RF IN 2 Type F female J2 RF IN 1 Type F female J3 ASI OUTPUT BNC female J4 EXT REF BNC female Optional J5 ASI INPUT BNC female J6 MOD RF OUT Type N female P1...

Страница 107: ...requires an adapter cable Although the RS 530 and RS 422 RS 449 interfaces are electrically identical they have different connectors Use a cable with the pin outs as listed in the figure below Figure...

Страница 108: ...nector P2 is a male DB 25 connector Wire A B pairs use 28 AWG twisted pair 8 3 RS 422 449 to RS 530 Y Cable If a Y type cable is required to go from RS 422 RS 449 to RS 530 use the pin outs listed in...

Страница 109: ...dem Pin 24 DA A SCTE A Transmit Signal Element Timing DTE A To Modem Pin 11 DA B SCTE B Transmit Signal Element Timing DTE B To Modem Pin 15 DB A SCT A Transmit Signal Element Timing DCE A From Modem...

Страница 110: ...t Mode 8 6 RJ 45 Ethernet M C Connector Pin Outs The 10 100BaseT Ethernet M C connection utilizes a RJ 45 connector as shown in the following figure which also depicts the arrangement of the pins look...

Страница 111: ...the AMT 73L DB 9 Pin Number Description Pin 1 Not Used Pin 2 Tx Data Pin 3 Rx Data Pin 4 Not Used Pin 5 Ground Pin 6 Not Used Pin 7 Not Used Pin 8 Not Used Pin 9 5 VDC 100 mA Note Some PCs do not res...

Страница 112: ...NAME COMMENT Signal Direction 4 SD A Send Data to DCE Modem 22 Send Data to DCE Modem SD B 6 RD A Receive Data from Modem 24 RD B Receive Data from Modem 7 RTS A Request To Send to Modem 25 RTS B Req...

Страница 113: ...own in Figure 50 The wiring is specified below For more information regarding control of the router please refer to the router manual titled Communication Processor RJ 45 Pin Number Description 1 CTS...

Страница 114: ...ns Demodulator communications not responding There are many types of coaxial cables that can be used to connect the LNB BDC to the demodulator input The appropriate cable is dependent on many factors...

Страница 115: ...oses Figure 57 DB15 DB15 Redundancy Switch Adapter Cable Pin Outs DB15 A DB15 B RF SWITCH Note 1 2 AV1 RF SW Drive unit A 2 1 AV2 RF SW Drive unit B 3 3 COM Signal Ground 6 14 Future Use 7 13 Future U...

Страница 116: ...arks are inserted into the coded data to enable decoding Turbo Product Codes are either two or three dimensional codes Blocks of data are formed into 2D or 3D arrays The raw data is then encoded in ea...

Страница 117: ...is an exact 0 75 rate It is a 4k bit block size and has no CRC eH 64 57 eH 64 57 Where each axis X then Y is an extended Hamming eH component code encoding 57 bits to produce 64 bits 9 2 AMT7X family...

Страница 118: ...enly spaced sync marks per block the first of which is inverted to indicate the start of the frame For all codes the sync mark is 8 bits long with value 0xE2 with 128 bytes of encoded data between the...

Страница 119: ...7 eH 64 56 0 76550388 TPC4K 3 4 3 9 dB 7 0 7 9 eH 128 120 eH 128 119 0 86288760 TPC16K 8 9 4 2 dB 7 3 8 3 eH 128 120 P 128 126 0 91375969 TPC16K 19 20 5 1 dB 8 6 9 6 0 75 TPC 4k 3 9 dB 7 0 7 9 7 3 0 8...

Страница 120: ...e AdvantechAMT SSPB is used at one end and a 9 pin male D connector at the other Connect M C RS 232 P8 interface to a PC with available RS 232 interface 10 2 LNB Interface Connections 1 Connect LNB WR...

Страница 121: ...nput RS 530 TX RX DATA P1 AC Power SW2 LNB PWR SW1 BUC PWR SL 2048 Rear Panel 75 Ohm Coax 950 1450 MHz Connectors Type F female 50 Ohm Coax 950 1450 MHz Connectors Type N male L Band Connector Type N...

Страница 122: ...ck mount The rack mount bracket is mounted ideally between the two chassis at the rear of the modem You may find it best to leave a 1 2U shelf gap but no more between the modems in order to accommodat...

Страница 123: ...tallation and Operation Figure 60 Redundancy Connections ASI interface as Data Input oftware Configuration Skip to section 11 2 S 123 Shelf A Shelf B RF OUT DATA IN P4 P7 ASI J5 OUT SPLITTER IN SWITCH...

Страница 124: ...530 HSSI kits The redundancy chassis comes with your choice of RF interface one of 3 variants TNC interface Kit P N 19A 250000 100 F in N out interface Kit P N 19A 250000 200 For the BNC variant the f...

Страница 125: ...re illustrated in Figure 62 and Figure 63 When the modems power up the redundancy may not be active To do this use the command redundancy on via the RS 232 port after logging in to each modem See the...

Страница 126: ...MODEM RX A B BUC OUT FROM MODEM TX A B Figure 62 1 1 Redundancy shelf connections rear view RS 530 and BNC connections shown __________________________________________________________________________...

Страница 127: ...rated in Figure 64 Designation Description PS 1 Internal Power Supply 1 is ON PS 2 Internal Power Supply 2 is ON Unit A Alarm Modem A has asserted Summary Fault condition Note summary fault conditions...

Страница 128: ...switch is controlled automatically by the redundancy software The settings take effect on the next power cycle or reboot redundancy on Redundancy ON rdfltmask Redundancy Fault Mask The redundancy sys...

Страница 129: ...generated for an internal Modulator failure but NOT for a disabled output problem Setting rdfltmask 9 will consider ALL conditions above for fault output NOTE The modem MUST be rebooted for rdfltmask...

Страница 130: ...Redundancy System Parameters Switch position 0x0C Discrete In 0x01 Discrete Out 0x00 This unit status DISCONNECT Good Other unit reads Fault The command rdswpos read the position of the RF switch rdsw...

Страница 131: ...ate This message should not appear in almost any circumstance This may indicate redundancy software failure REDUNDANT unit ready This unit is ACTIVE and has monitored the other unit as in a ready Good...

Страница 132: ...nstallation Figure 68 Installation using 70 MHz Inputs 132 BUC LNB ODU OUTDOOR Antenna AMT 70 Data Port RS 530 INDOOR Rx 950 2150 MHz Tx 950 2000 MHz Secondary M C Interface RS 485 Complete ODU Interf...

Страница 133: ...of the signal power available from the modulator output at the BUC input for any length of cable up to 300 feet Figure 69 Some points to note Slightly longer cable lengths are possible with BUCs of hi...

Страница 134: ...antechAMT SSPAs are available in L C X and Ku Band models and are available in both indoor rack mount or in outdoor hub mount weatherproof enclosures AdvantechAMT also features the tri band SSPA which...

Страница 135: ...uth pole and passing through the Greenwich Observatory in England All other points in the world are either east or west of this line There are 360 of longitude expressed as 0 to 180 east and 0 to 180...

Страница 136: ...sitions of the antenna and satellite 180 is due south If the satellite is east of the antenna the result of the calculation is subtracted from 180 If the satellite is west of the antenna the result of...

Страница 137: ...ssembly to peak the signal in polarization Once again lock the movement Repeat all the above to ensure that the signal is fully peaked Lock all movements making sure that the locking off does not caus...

Страница 138: ...culate the Symbol Rate the formula is as follows Symbol Rate Data rate x 1 Code Rate Modulation Where Modulation 1 for BPSK 2 for QPSK 3 for 8PSK and 4 for 16QAM The charts below provide the range of...

Страница 139: ...73 AMT 75 Installation and Operation 139 100 0 90 0 80 0 70 0 60 0 50 0 40 0 30 0 20 0 10 0 0 0 10 100 1000 10000 100000 Desired Carrier Symbol Rate ksps Desired Carrier Input Level dBm Maximum Nomin...

Страница 140: ...input would be from the satellite feed Follow the steps below to obtain a reasonable measurement of S N N which then can be translated to Eb No values by using the following charts Set the Resolution...

Страница 141: ...13 8 12 6 11 5 10 9 10 7 14 0 13 8 13 8 12 6 12 1 11 4 14 3 13 1 12 0 11 5 11 2 14 5 14 3 14 3 13 1 12 6 11 9 14 8 13 6 12 5 12 0 11 7 15 0 14 9 14 9 13 6 13 1 12 4 15 3 14 2 13 0 12 5 12 2 15 5 15 4...

Страница 142: ...8 9 7 9 2 8 9 14 0 13 8 12 1 10 8 10 3 9 6 12 5 11 4 10 2 9 7 9 4 14 5 14 3 12 6 11 3 10 8 10 2 13 1 11 9 10 7 10 2 10 0 15 0 14 9 13 1 11 8 11 3 10 7 13 6 12 4 11 2 10 7 10 5 15 5 15 4 13 6 12 4 11 9...

Страница 143: ...6 8 4 7 9 7 7 14 0 13 8 10 8 9 6 9 1 8 4 11 3 10 1 9 0 8 4 8 2 14 5 14 3 11 3 10 1 9 6 8 9 11 8 10 6 9 5 9 0 8 7 15 0 14 9 11 9 10 6 10 1 9 4 12 3 11 1 10 0 9 5 9 2 15 5 15 4 12 4 11 1 10 6 9 9 12 8...

Страница 144: ...a telecommunication equipment can support a wide range of network solutions AMT70 Mod DCE RS 530 TX RFFE Out AMT70 d Demo DCE RS 530 RX RFFE In DTE RS 530 TX DTE RS 530 RX DTE RS 530 TX DTE RS 530 RX...

Страница 145: ...lay Stack Frame Relay PVC Link management ITU T Q 933 Annex A ANSI T1 617 Annex D LMI or disabled QoS Priority CIR Bc Be Interface types UNI User UNI Network NNI Multiprotocol encapsulation RFC1490 IP...

Страница 146: ...entication authorization and accounting Local AAA Access rights table PAP CHAP MS CHAP Client Server RADIUS TACACS Client Remote server authentication Terminal configuration ports RS 232 console and t...

Страница 147: ...CHAPTER 15 APPENDIX D TURBO PRODUCT CODE PERFORMANCE Typical Turbo code results for a variety of data rates are listed below Note that in all graphs TPC 3 5 4k should read TPC4K 4 5 All Graphs are SNR...

Страница 148: ...AMT 70 AMT 73 AMT 75 Installation and Operation 148 Figure 76 QPSK at 256kbps at 104dBm Hz Input Power...

Страница 149: ...AMT 70 AMT 73 AMT 75 Installation and Operation Figure 77 QPSK 3MBps at 104dBm Hz Input Power 149...

Страница 150: ...AMT 70 AMT 73 AMT 75 Installation and Operation 150 Figure 78 QPSK at 10Mbps at 104dBm Hz Input Power...

Страница 151: ...AMT 70 AMT 73 AMT 75 Installation and Operation Figure 79 QPSK at 35Mbps at 104dBm Hz Input Power 151...

Страница 152: ...AMT 70 AMT 73 AMT 75 Installation and Operation 152 Figure 80 8PSK at 150kbps at 104dBm Hz Input Power...

Страница 153: ...AMT 70 AMT 73 AMT 75 Installation and Operation Figure 81 8PSK at 400kbps at 104dBm Hz Input Power 153...

Страница 154: ...AMT 70 AMT 73 AMT 75 Installation and Operation Figure 82 8PSK at 16Mbps at 104dBm Hz Input Power 154...

Страница 155: ...AMT 70 AMT 73 AMT 75 Installation and Operation Figure 83 8PSK at 55Mbps at 104dBm Hz Input Power 155...

Страница 156: ...AMT 70 AMT 73 AMT 75 Installation and Operation 156 Figure 84 16QAM at 512kbps at 104dBm Hz Input Power...

Страница 157: ...AMT 70 AMT 73 AMT 75 Installation and Operation Figure 85 16QAM at 6Mbps at 104dBm Hz Input Power 157...

Страница 158: ...AMT 70 AMT 73 AMT 75 Installation and Operation 158 Figure 86 16QAM at 20Mbps at 104dBm Hz Input Power...

Страница 159: ...AMT 70 AMT 73 AMT 75 Installation and Operation Figure 87 16QAM at 70Mbps at 104dBm Hz Input Power 159...

Страница 160: ...3 2 23 QPSK 2 3 1 322251 3 10 QPSK 1 487472 4 03 QPSK 4 5 1 587195 4 68 QPSK 5 6 1 654662 5 18 QPSK 8 9 1 766451 6 20 QPSK 9 10 1 788612 6 42 8PSK 3 5 1 779989 5 50 8PSK 2 3 1 980633 6 62 8PSK 2 22812...

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