User's Manual Part 1
Table Of Contents
- Instruction Book Introduction
- Customer Service
- Technical Assistance Center
- Sections 1-6
- Section 1 General
- Section 2 Functional Description
- 2.1 General
- 2.2 System Functional Overview
- 2.3 Main Functions
- 2.3.1 Signal Processing Unit (SPU) Sub-assembly
- Figure 2 - 2 Signal Processing Unit (SPU)
- Figure 2 - 3 Sirius Signal Processing Unit (SPU) Functional Block Diagram
- Figure 2 - 4 VSAT (L-Band) Receiver Panel
- Figure 2 - 5 Modulator Module
- Figure 2 - 6 Up-Converter Module Panel
- Figure 2 - 7 Controller Board Panel
- Figure 2 - 8 Main Controller Board Functional Block Diagram
- Figure 2 - 9 Uninterruptible Power Supply (UPS)
- 2.3.1 Signal Processing Unit (SPU) Sub-assembly
- 2.4 High Power Amplifier (HPA)
- 2.5 S-Band Output Filter
- 2.6 Output Coupler
- 2.7 Power Distribution
- 2.8 Junction Box Assembly
- Section 3 Installation
- 3.1 Introduction
- 3.2 Safety On Site
- 3.3 INSTALLATION OVERVIEW
- 3.4 SITE POWER
- 3.5 REPEATER UNPACKING AND INSPECTION
- 3.6 SUGGESTED TOOL LIST
- 3.7 ANTENNA INSTALLATION
- 3.8 REPEATER CABINET INSTALLATION
- 3.9 CABLE CONNECTIONS (see Figure 3 - 2)
- 3.10 POST-INSTALLATION INSPECTION/TEST
- 3.11 Post Installation Inspection/Test Form
- Section 4 Turn-Up and Testing
- 4.1 General
- 4.2 Test Equipment Required
- 4.3 Repeater Provisioning
- 4.4 Field Tests
- 4.5 Connect Repeater System to NMC
- 4.6 Field Test Report
- Section 5 Operation
- 5.1 GENERAL
- 5.2 Control and Communication
- 5.3 Modes of Operation
- 5.4 GRAPHICAL USER INTERFACE (GUI)
- 5.5 GUI Menu Descriptions
- 5.5.1 Status Sub-Menu Breakdown
- 5.5.2 Configuration (Config) Sub-Menu Breakdown
- Figure 5 - 7 GUI Main Menu Config Drop-Down Menu
- Figure 5 - 8 Config Modulator Sub-Menu
- Figure 5 - 9 Repeater ID Screen
- Figure 5 - 10 Modulator Mode Screen
- Figure 5 - 11 Overlay Screen
- Figure 5 - 12 Delays Screen
- Figure 5 - 13 Modulator IP Screen
- Figure 5 - 14 VSAT Screen
- Figure 5 - 15 Repeater Output Level Screen
- Figure 5 - 16 Coupler Screen
- Figure 5 - 17 GPS Screen
- Figure 5 - 18 Temperature Screen
- Figure 5 - 19 Repeater Operating Mode Screen
- Figure 5 - 20 PPP Dial In Parameters Screen
- Figure 5 - 21 PPP Dial Out Parameters Screen
- Figure 5 - 22 PPP Misc Parameters Screen
- Figure 5 - 23 Site Screen
- 5.5.3 Alarms Sub-Menu Breakdown
- 5.5.4 NMS Users Sub-Menu Breakdown
- 5.5.5 System Parameters Menu
- Figure 5 - 28 Access to System Parameters Sub-Menu
- Figure 5 - 29 System Parameters Identification Screen
- Figure 5 - 30 System Parameters Access Control Screen
- Figure 5 - 31 System Parameters Network Parameters Screen
- Figure 5 - 32 System parameters SNMP Parameters Screen
- Figure 5 - 33 System Parameters System Time Screen
- Figure 5 - 34 System Heartbeat Time Screen
- Figure 5 - 35 System Parameters System Reset Screen
- Figure 5 - 36 System Parameters Upgrade Screen
- Figure 5 - 37 Upgrade Dialog Box (Sheet 1 of 2)
- 5.6 COMMAND LINE INTERFACE (CLI)
- 5.7 REPEATER OPERATING PROCEDURES
- 5.8 CONTROLS, INDICATORS, and CONNECTORS
- 5.8.1 Signal Processing Unit (SPU) Controls and Indicators
- 5.8.2 High Power Amplifier (HPA) Controls and Indicators
- 5.8.3 Power Distribution Unit (PDU) Front Panel Controls
- 5.8.4 VSAT Receiver Rear Panel Connectors
- 5.8.5 Up-Converter Rear Panel Connectors
- 5.8.6 Modulator Rear Panel Connectors
- 5.8.7 Main Controller Rear Panel Connectors
Genera
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3EM21522AAAA
DTR-0200-SA-SIRIUS Issue 1, March 2008
1-8
Table 1-4 Repeater Signal Inputs
VSAT Ku Band (L-Band after LNB)
Frequency Range 950 – 2150 MHz
Nominal Input Level -65 to -25 dBm
Waveform S1, S2
LNB Bias Provided
Connector F-type, female, 75 ohms
Ethernet Input
Signal IP multicast, standard 10/100 Base T interface
Connector RJ45
ASI Input
Connector BNC, 75 ohms
Table 1-5 Signal Processing
Aggregate Data Rate 7.340625 Mbps
COFDM nominal bandwidth used 4.012 MHz
Modulation Type Pi/4 Differential QPSK with adjustable amplitude
and phase offset for hierarchical modulation
Number of Active Carriers 1000 (+2 unmodulated pilots +1 central null)
Intercarrier Spacing 4 kHz
FFT Size 2048 points (2 times oversampling)
COFDM Sampling Rate (1/T_COFDM) 4.096 MHz (with no oversampling)
COFDM FFT Rate (1/T_FFT) 3.6703125 kHz
Total Symbol Duration 272.4564 us
Useful Symbol Duration 250 us
Guard Interval 22.4564 us
COFDM Demodulator Output Symbol Rate (1/Ts) 3.6703125 Mbaud QPSK
Time and Clock Reference Internal GPS
Phase Noise SSB 100Hz: < -72 dBc/Hz
1kHz: < -77 dBc/Hz
4kHz < -81 dBc/Hz
10kHz: < -84 dBc/Hz
100kHz: < -112 dBc/Hz
1MHz: < -123 dBc/Hz
Sirius Transmission Frame Buffering (terrestrial
signal time delay)
Up to 17 frames (approx. 6 sec.)