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Nera saturn bp, Technical Manual

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18

Saturn Bp Portable – Technical Manual

BDE

MAIN CONTROL BOARD

Digital Signal Processor Sub-system

Telephony 
Interface

Computer
Codec

Transmitter

Combiner/
splitter

Local 
Oscillator 
Synthesizer

Receiver

RF Sub-system

TX Channel
1626.5 - 
1660.5 MHz

RXIF

12 MHz

RX Channel
1525 - 
1559 MHz

TXIF

2.5 MHz

6

1

2

3

4

5

#

7

8

9

*

0

DEL

FUNC

ALPHA

ENTER

MORE/
HELP

SHIFT

LES

ON/OFF

DIAL 00+INTL

TEL . NO . + 

f

Voice

S y s t e m   D e s c r i p t i o n

S y s t e m   D e s c r i p t i o n

S y s t e m   D e s c r i p t i o n

Summary of Contents for saturn bp

Page 1: ...Saturn Bp Portable Technical Manual Saturn Bp Portable Technical Manual...

Page 2: ......

Page 3: ...SCPC Signalling 16 Voice 18 Clearing 20 D i a g r a m s D i a g r a m s D i a g r a m s Block Diagram 22 Antenna Unit Interconnection Diagram 23 MCU Interconnection Diagram 24 S e r v i c e S e r v i...

Page 4: ...2 Saturn Bp Portable Technical Manual...

Page 5: ...in a lockable case Low weight small size Antenna and RF electronics integrated may be remoted up to 90 m dependent on type of coax cable Wide range AC and DC operation Additional outlets for telephone...

Page 6: ...ground Caution The DC supply must be connected with correct polarity Display Handset Connection of Optional Equipment External connector panel Alternative external connection to DTE port Connection o...

Page 7: ...5022 Conducted EC 801 General Saturn Bp Portable complies with the INMARSAT B System Definition Manual for a Land Mobile Earth Station Operational Characteristics Assembly time 60 seconds Antenna sepa...

Page 8: ...W 6 3 E 179 E 18 5 W Atlantic Ocean Region West Atlantic Ocean Region East The INMARSAT B System S y s t e m D e s c r i p t i o n S y s t e m D e s c r i p t i o n S y s t e m D e s c r i p t i o n S...

Page 9: ...within its region on the NCS Common Signalling Channel NCSC When selecting a particular Ocean Region the MES automatically tunes its receiver to the NCSC fre quency and awaits System Information from...

Page 10: ...t over the public telecom munications networks to the intended destination When the destination responds for example by the dialled subscriber lifting the handset the call proceeds The illustration of...

Page 11: ...Forward ID and a Destination Id DI The request is then sent to the MES which translates the Forward ID and the DI to a physical line to call To connect a Destination Id to a physical line SaturnBp inc...

Page 12: ...10 Saturn Bp Portable Technical Manual S y s t e m D e s c r i p t i o n S y s t e m D e s c r i p t i o n S y s t e m D e s c r i p t i o n...

Page 13: ...Channels Communication Channels SCPC Single Channel Per Carrier Public Switched Telephone Networks ISDN Packet Switched Data Networks Communication Channels Designation Transmission Type of informati...

Page 14: ...TEL NO f 6 1 2 3 4 5 7 8 9 0 DEL FUNC ALPHA ENTER MORE HELP SHIFT LES ON OFF DIAL 00 INTL TEL NO f ESC Re P 7 8 9 4 5 6 1 2 3 0 R Re P 7 8 9 4 5 6 1 2 3 0 R Listens to NCS common channel LES Land Eart...

Page 15: ...ification of Channel Release SU to NCS Removes MES from LES busy list LESI Removes MES from NCS busy list and updates channel status table LES SIG LESI Removes MES from NCS busy list and updates chann...

Page 16: ...smitter Combiner splitter Local Oscillator Synthesizer Receiver RF Sub system RX Channel 1525 1559 MHz TXIF 2 5 MHz TX Channel 1626 5 1660 5 MHz 6 1 2 3 4 5 7 8 9 0 DEL FUNC ALPHA ENTER MORE HELP SHIF...

Page 17: ...t No 11 Octet No 12 SIGNALLING UNIT 12 OCTETS 96 BITS EXAMPLE CALL ANNOUNCEMENT TYPE 81H 81H SERVICE NATURE SRVICE TYPE ECH DDH 18H 09H 00H 01H 01H DESTINATION TERMINAL ID 01H SPARE MESSAGE NUMBER 00H...

Page 18: ...r Combiner splitter Local Oscillator Synthesizer Receiver RF Sub system RX Channel 1525 1559 MHz TXIF 2 5 MHz TX Channel 1626 5 1660 5 MHz 6 1 2 3 4 5 7 8 9 0 DEL FUNC ALPHA ENTER MORE HELP SHIFT LES...

Page 19: ...MING 64 bits IN BAND SIGNALLING FRAME 1920 bits IN BAND SIGNALLING FRAME 1920 bits 240 ms 240 ms 24 ms OCTET No 1 2 3 4 5 6 7 8 9 10 11 12 8 7 6 5 4 3 2 1 BIT No SIGNALLING UNIT SU CCITT CRC CYCLIC RE...

Page 20: ...ombiner splitter Local Oscillator Synthesizer Receiver RF Sub system TX Channel 1626 5 1660 5 MHz RXIF 12 MHz RX Channel 1525 1559 MHz TXIF 2 5 MHz 6 1 2 3 4 5 7 8 9 0 DEL FUNC ALPHA ENTER MORE HELP S...

Page 21: ...ge type MES ID MES receive channel number CCITT CRC scrambling vector 8A MSB LSB LES ID spare spare CCITT CRC CYCLIC REDUNDENCY CHECK SCRAMBLING VECTOR LES ID MES ID MESSAGE TYPE Octet No 12 Octet No...

Page 22: ...biner splitter Local Oscillator Synthesizer Receiver RF Sub system TX Channel 1626 5 1660 5 MHz RXIF 12 MHz RX Channel 1525 1559 MHz TXIF 2 5 MHz 6 1 2 3 4 5 7 8 9 0 DEL FUNC ALPHA ENTER MORE HELP SHI...

Page 23: ...t No 2 Octet No 1 SIGNAL UNITS 12 OCTETS 96 BIT SIGNALLING UNIT EXAMPLE SCPC IN BAND SIGNALLING MODE CHANNEL RELEASE 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0...

Page 24: ...TXIF signal to L band TX signal Amplifies TX signal ADE supply 28 VDC TX 1626 5 1646 5 MHz RX 1530 1559 MHz Data 5 10 MHz Combiner splitter PCM Codec 64 kbps AUX Handset Interface Buffers UARTS Data...

Page 25: ...ver HPA Level Regulator ALC Power Detector Tx Supply Voltage Regulator Data Modulator Data Demodulator DACs Comparator 28 V 12 VDC 28 V 12 V Combiner Splitter TX RX 28V DATA CPU 5 V TXENABLE TXINP TXI...

Page 26: ...lephony Control Latch UART CH A SWITCH 1 7 IL 0 5 TXS RXS VFRO VFRI RXE TXE Master Digital Signal Processor Digital Signal Processor TX SAMBA D A Converter RX SAMBA A D Converter Data 0 15 Address 1 2...

Page 27: ...Receiver Transmitter Highpass Filter Lowpass Filter TXOFF DATA 28V 28V RET To from DSP see diagram page 1 Memory TXMUTE Up converter PLL 1525 1559 MHz Tracking filter PLL Local oscillator PLL X tal o...

Page 28: ...S e r v i c e S e r v i c e S e r v i c e Exploded view Saturn Bp Trunk Box Main Control Board RF Unit Cover Mounting plate Power Board MCU Heatsink Connector Panel Frame MCU Main Parts Trunk Fan Gri...

Page 29: ...chnical Manual S e r v i c e S e r v i c e S e r v i c e Exploded view Saturn Bp Transceiver RX Unit TX Unit Antenna Control Board Antenna Base Plate Antenna Housing Antenna Supporting Leg Antenna Sup...

Page 30: ...de B Squeeze hose clamp as illustrated and slide it towards the trunk wall to disengage the MCU fan channel from bel low C Disconnect the fan by pushing a small screwdriver into the terminal block as...

Page 31: ...Unscrew 8 nuts an remove washers Note 7 mm socket 5 Lift off airduct Remove packing carefully 6 Turn the MCU upside down Remove the large screws fastening the enclosing box Note 7 screws M4x6 Remove...

Page 32: ...l pad is positioned between the bolt and the spool on the Power Board 7 Unscrew 6 standoffs spacers Note 3 sizes 12 mm 16 mm 22 mm 7 mm spanner See figure 8 Turn around the MCU Remove 4 unbraco screws...

Page 33: ...unit upside down Cut wire ties Note Observe their positions Unscrew the board Note 4 screws 2 sizes M4x6 M4x25 unbraco 3 mm key See figure 11 Pull out the Power board 12 Main Control Board Turn the un...

Page 34: ...Sil pads Remove the screws fastening the RF Unit cover Note 3 screws 2 sizes M3x16 M4x10 See figure Remove the screws fastening the Main Control Board Note 2 screws M4x6 See figure The Main Control B...

Page 35: ...PM911044 Coax cable QRPM911039 Fan for case QBKV101004 24 Fuse for MCU NGH24104 63 Fuse holder QNFN911001 Hinge for case QSXK911914 Lock w key QSKY101001 2 Lock wo key QSKY101001 1 Wheel QSLJ101001 Ma...

Page 36: ...request from NERA Restart Cause 3 6 The Restart Cause function displays the reason for the latest restart causes It always contains at least the Power up restart cause The function is a development t...

Page 37: ...M in Main Control Unit MCU defective CRC FAILURE 3 TX DETECTOR Illegal initial transmitter output level detected in Antenna FAILURE Control Unit ACU 4 TX MONITOR Illegal initial transmitter input leve...

Page 38: ...No Message 0 PLEASE WAIT Only occurs at power up or when trying to load new software 1 CPU FLASH ID Cannot load new system program problem with hardware 2 CPU BURN ERR Failure when loading new system...

Page 39: ...nel is not tuned within allowed time limit CALL ATTEMPT 12B1 004 UNSUCCESSFUL TRY AGAIN MES is clearing due to timeout Waiting for assign CALL ATTEMPT ment from NCS during shore call 12B1 005 UNSUCCES...

Page 40: ...e to Enhanced Function DIAL 33 inconsistency 12B1 055 ANTENNA CMD A command to the ACU was not accepted 4 times NOT ACCEPTED link restarted 12B1 56 PEDESTAL CMD A command to the PCU was not accepted 4...

Page 41: ...ESSFUL TRY AGAIN Channel Assignment message from NCS contains CALL ATTEMPT inappropriate information 15D2 000 MES ID USED MES ID and channel number is cleared in the busy lists BY OTHER MES at LES and...

Page 42: ...LESs for initiation of mobile originated calls MESRR MES Registration channel random access Slotted Aloha burst mode channel carrying the Ocean Registration messages required to route fixed originated...

Page 43: ......

Page 44: ...Nera ASA Nera SatCom AS Bergerveien 12 PO Box 91 N 1375 Billingstad Norway Tel 47 67 24 47 00 Fax 47 67 24 46 21 www nera no...

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