TECHNICAL SPECIFICATIONS For TSAT System: TSAT2150

Transcription

1 For TSAT System: TSAT2150 Page 1 (6) Author Lars Homb Approved Jon H. Askjellrud Date Date Document Q Checked Stein Harstad File Q Technical Specifications TSAT 2150.doc Date Technical Specifications 1.1 System Specifications TSAT Transmission System Transmit frequency band GHz Receive frequency bands GHz GHz GHz Data rates on outbound bps bps Modulation scheme bps bps 2-4PSK 9600 bps bps OQPSK Coding rate 1/2, 3/4 and 7/8 FEC Modulation bandwidth 2-4PSK, PSK, OQPSK, khz 14 khz 22 khz BER at nom. Eb/No = 6 db < 10-6 for 2 400, and BER at nom. Eb/No = 7 db < 10-6 for 3 600, and BER at nom. Eb/No = 8 db < 10-6 for 4 200, and 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: ; 08:57:09

2 Document: Q Page 2 (6) 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.

3 Document: Q Page 3 (6) 1.2 HUB Station Specifications 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 HUB Station Power Supply Requirements TSAT 2150 Output voltage Nominal 24 VDC (range VDC) Output power (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 Reference Oscillator Power Supply Requirements Output voltage Nominal 24 VDC (range 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.

4 Document: Q Page 4 (6) Supervisory Terminal Specification Hardware and operating environment WinPC Minimum Pentium 233MHz, 64 MB RAM Operating system Windows NT/Win2000/WinXp 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 Coaxial Cable Specification Reference Oscillator Coaxial Cable Cable type: RG223/U, 50ohm Length: 1.5m Connectors: SMA male, 50ohm 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 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

5 Document: Q Page 5 (6) Environmental Conditions Antenna, RF Front End. Storage/survival Temperature - 50 C to + 80 C Wind velocity 200 km/h Temperature Normal: Humidity Wind velocity - 40 C to 55 C. Outdoor conditions 80 km/h Solar radiation 1 kw/m Reference Oscillator Unit and Supervisory Terminal, Temperature: +10 C to +35 C Humidity: Indoor conditions, 95% non-condensing Main Unit Temperature: Humidity: 0 C to +55 C Indoor conditions, 95% non-condensing.

6 Document: Q Page 6 (6) 1.3 Remote Terminal Specifications Transmission System. Antenna diameters 0.96 meters Transmit gain at 14,25 GHz 41.2 db XPD > 30 db Output power: 01, 0,5 and 1,0 Watts ± 2 db with AGC Spurious relative to nominal output level Transmit frequency Stability < 4 dbw/40 khz Relative to received carrier < ± 500 Hz Circuit-switched Application Interface (COM ports) No. of async. ports 2 Async port interface RS-232 Data rates bps Number of start bits 1 Number of data bits 7 or 8 Parity bit Even, odd or none Number of stop bits 1 or 2 Flow control Hardware, software (XON/XOFF) or none Power Supply Requirements TSAT 2150 Output voltage Nominal 24 VDC (22 to 26 VDC input range) Power consumption 40 Watts Recommended capacity Minimum 70 Watts Average current 1.7 Amp@ 24 VDC Sleep mode option < 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 Coaxial Cables See Coaxial cables for Hub Environmental 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.