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TECHNICAL SPECIFICATIONS For TSAT System: TSAT2150 Author
Date
Document
File
Lars Homb
11.03.2004
Q215002
Q215002 Technical Specifications TSAT 2150.doc
Approved
Date
Checked
Date
Jon H. Askjellrud
26.03.04
Stein Harstad
30.03.04
1 Technical Specifications 1.1
System Specifications TSAT 2150
1.1.1 Transmission System Transmit frequency band Receive frequency bands
14.00 12.25 10.95 11.70
Data rates on outbound
2 400 bps – 16 800 bps
Modulation scheme 2 400 bps – 8 400 bps 9600 bps – 16 800 bps
2-4PSK OQPSK
Coding rate
1/2, 3/4 and 7/8
Modulation bandwidth 2-4PSK, 2 400 – 4 200 2-4PSK, 4 800 – 8 400 OQPSK, 9600 – 16 800
- 14.25 GHz - 12.75 GHz - 11.70 GHz - 12.20 GHz
FEC
7 kHz 14 kHz 22 kHz
BER at nom. Eb/No = 6 dB < 10-6 for 2 400, 4 800 and 9 600 BER at nom. Eb/No = 7 dB < 10-6 for 3 600, 7 200 and 14 400 BER at nom. Eb/No = 8 dB < 10-6 for 4 200, 8 400 and 16 800
1.1.2 Communication Protocols Circuit-switched Dialled line, Hayes modem emulation Leased line and Multidrop line Access protocols Modified Slotted ALOHA, user configurable to: Time division multiplexed (TDM) or Slotted ALOHA Combinations of both TDM and Slotted ALOHA Pulse Position Reservation Facility Link control modes Configurable between: Error free link mode (error correction based on retransmissions of packets with CRC errors) Datagram mode (error correction disabled, packets with CRC errors discarded internally in the TSAT network) The link mode is configured independently from the transmitting side.
Reference: Print: 12.04.2005; 08:57:09
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Link window size configurable from 1 to 32, applicable for error free link mode and management packets only. Se document DOC2010B Supervisory Terminal User Guide for more details.
TECHNICAL SPECIFICATIONS
1.2
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HUB Station Specifications
1.2.1 Transmission System Antenna diameters 1.2 m Transmit gain at 14,25 GHz 43.3 dBi Cross polar boresight > 30 dB (Channelmaster 1,2m type 124 used as example) Output power:
01, 0,5 and 1,0 Watts ± 2 dB with AGC
Transmit frequency stability, < ± 1500 Hz
1.2.2 HUB Station Power Supply Requirements TSAT 2150 Output voltage Output power
Nominal 24 VDC (range 22 - 26 VDC) (average) 48 Watts (40 Watts to Main Unit and RF Front End, 8 Watts to Reference Oscillator Unit) Recommended capacity Minimum 80 Watts Power supply with following specifications are recommended: a) Tested according to IEC/EN60950 b) Insulation class II c) Output power less than 100VA d) CSA or UL listed The secondary cable CH1175N must be used connecting PSU to the HUB. The transparent insulated cable on CH1175N must be connected to + terminal on PSU and the black insulated cable on CH1175N must be connected to the – terminal on the PSU. The 15 pole DSUB connector must be connected to the HUB.
1.2.3 Reference Oscillator Power Supply Requirements Output voltage Nominal 24 VDC (range 22 - 26 VDC) Output power Warm-up 15 Watts Normal 8 Watts Recommended using same power for HUB Main Unit and Reference Oscillator. Power supply with following specifications are recommended: a) Tested according to IEC/EN60950 b) Insulation class II c) Output power less than 100VA d) CSA or UL listed The secondary cable CH1175N must be used connecting PSU to RO1483. The transparent cable on CH1175N must be connected to + terminal on PSU and the black cable on CH1175N must be connected to the – terminal on the PSU. The 15pole DSUB connector must be connected to the RO1483.
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1.2.4 Supervisory Terminal Specification 1.2.4.1 Hardware and operating environment WinPC Minimum Pentium 233MHz, 64 MB RAM Operating system Windows NT/Win2000/WinXp 1.2.4.2 Supervisory Terminal Serial Interface Ports Minimum number of async. ports: 2 One Main Unit port One application port, leased or dialled line Standard no. of async. ports: 4 One Main Unit port One dialled line port One leased line port One free port, i.e. for PSTN modem for remote control
1.2.5 Coaxial Cable Specification 1.2.5.1 Reference Oscillator Coaxial Cable Cable type: RG223/U, 50ohm Length: 1.5m Connectors: SMA male, 50ohm
1.2.5.2 L-band RX Coaxial Cable Cable type: Different types must be choosen, to fit specifications. See further RX coaxial specifications in TSAT2150 User Guide; Hub and RT installation Cable types must be 50ohm Connectors: N type male, 50ohm
1.2.5.3 L-band TX Coaxial Cable Cable type: Different types must be choosen, to fit specification. See further TX coaxial specifications in TSAT2150 User Guide; Hub and RT installation Cable types must be 50ohm Connectors: N type male, 50ohm
TECHNICAL SPECIFICATIONS 1.2.6 Environmental Conditions 1.2.6.1 Antenna, RF Front End. Storage/survival Temperature - 50°C to + 80°C Wind velocity 200 km/h Operational conditions Temperature Normal: - 40°C to 55°C. Humidity Outdoor conditions Wind velocity 80 km/h Solar radiation
1 kW/ m 2
1.2.6.2 Reference Oscillator Unit and Supervisory Terminal, Operational conditions Temperature: +10°C to +35°C Humidity: Indoor conditions, 95% non-condensing.
1.2.6.3 Main Unit Operational conditions Temperature: 0°C to +55°C Humidity: Indoor conditions, 95% non-condensing.
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Remote Terminal Specifications.
1.3.1 Transmission System. Antenna diameters Transmit gain at 14,25 GHz XPD Output power: Spurious relative to nominal output level Transmit frequency Stability
0.96 meters 41.2 dB > 30 dB 01, 0,5 and 1,0 Watts ± 2 dB with AGC < 4 dBW/40 kHz Relative to received carrier < ± 500 Hz .
1.3.2 Circuit-switched Application Interface (COM ports) No. of async. ports Async port interface Data rates Number of start bits Number of data bits Parity bit Number of stop bits Flow control Hardware, software
2 RS-232 50 – 115 200 bps 1 7 or 8 Even, odd or none 1 or 2 (XON/XOFF) or none
1.3.3 Power Supply Requirements TSAT 2150 Output voltage Power consumption Recommended capacity Average current Sleep mode option
Nominal 24 VDC (22 to 26 VDC input range) 40 Watts Minimum 70 Watts 1.7 Amp@ 24 VDC < 0,2 Watts
Power supply with following specifications are recommended: a)Tested according to IEC/EN60950 b) Insulation class II c) Output power less than 100VA d) CSA or UL listed The secondary cable CH1175N must be used connecting PSU to the Remote Terminal. The transparent insulated cable on CH1175N must be connected to + terminal on PSU and the black insulated cable on CH1175N must be connected to the – terminal on the PSU. The 15 pole DSUB connector must be connected to the Remote Terminal
1.3.4 Coaxial Cables See Coaxial cables for Hub
1.3.5 Environmental Conditions Operational conditions Temperature Normal 0°C to +55°C Option -40°C to +70°C Humidity Normal Indoor conditions, 95% non-condensing. Option Outdoor conditions Option demands cabinet for Main Unit supplied with heater.
