ViaSat VBM-1400, Инструкция по установке и эксплуатации

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VBM-1400 Broadband Modulator Installation and User’s Guide
Rev. 002 1018360
vii
Table of Contents
1. GENERAL DESCRIPTION....................................................................................................................................... 1-1
1.1 I
NTRODUCTION
....................................................................................................................................................... 1-1
1.2 E
QUIPMENT
L
IST
.................................................................................................................................................... 1-1
1.3 VBM-1400 S
PECIFICATIONS
.................................................................................................................................. 1-2
1.3.1 VBM-1400 Description.................................................................................................................................. 1-5
1.3.2 VBM-1400 Front Panel Controls and Indicators .......................................................................................... 1-6
2. PREPARATION FOR USE AND INSTALLATION............................................................................................... 2-1
2.1 I
NTRODUCTION
....................................................................................................................................................... 2-1
2.2 T
OOLS AND
T
EST
E
QUIPMENT
................................................................................................................................ 2-1
2.3 U
NPACKING AND
I
NSPECTION
................................................................................................................................ 2-1
2.4 I
NSTALLATION
....................................................................................................................................................... 2-2
2.4.1 VBM-1400 Connections and Descriptions .................................................................................................... 2-3
2.4.1.1 VBM-1400 Output Observation .................................................................................................................................. 2-6
2.4.1.2 Power .......................................................................................................................................................................... 2-7
2.4.2 Operation....................................................................................................................................................... 2-7
3. INITIAL SET UP AND CONFIGURATION ........................................................................................................... 3-1
3.1 I
NTRODUCTION
....................................................................................................................................................... 3-1
3.2 I
NITIAL
S
ETUP AND
C
HECKOUT
.............................................................................................................................. 3-1
3.2.1 Parameters Required Before Configuring the VBM-1400............................................................................. 3-1
3.3 T
URNING
O
N AND
C
ONFIGURING THE
VBM-1400 U
SING THE
F
RONT
P
ANEL
........................................................ 3-1
3.3.1 Modulator Parameters .................................................................................................................................. 3-2
3.3.1.1 Symbol Rate ................................................................................................................................................................ 3-2
3.3.1.1.1 Data Rate ............................................................................................................................................................... 3-2
3.3.1.2 Code Rate .................................................................................................................................................................... 3-2
3.3.1.3 Frequency .................................................................................................................................................................... 3-2
3.3.1.4 TX Power .................................................................................................................................................................... 3-2
3.3.1.4.1 TX Power Detect ................................................................................................................................................... 3-3
3.3.1.5 Transmit ...................................................................................................................................................................... 3-3
3.3.1.6 Spectrum ..................................................................................................................................................................... 3-3
3.3.1.7 Carrier ......................................................................................................................................................................... 3-3
3.3.1.8 Symbol Rolloff............................................................................................................................................................ 3-3
3.3.1.9 Modulation Type ......................................................................................................................................................... 3-3
3.3.2 Interface Parameters ..................................................................................................................................... 3-3
3.3.2.1 Interface Type ............................................................................................................................................................. 3-3
3.3.2.2 Interface MPEG Sync Delete ...................................................................................................................................... 3-4
3.3.3 Remote Control Parameters .......................................................................................................................... 3-4
3.3.3.1 RIO Control Enable/Disable........................................................................................................................................ 3-4
3.3.3.2 EIA-485 Parameters .................................................................................................................................................... 3-4
3.3.3.2.1 RS485 Address ...................................................................................................................................................... 3-4
3.3.3.2.2 RS485 Format ....................................................................................................................................................... 3-4
3.3.3.2.3 RS485 Baud........................................................................................................................................................... 3-4
3.3.3.3 EIA-232 Parameters .................................................................................................................................................... 3-4
3.3.3.3.1 RS232 Format ....................................................................................................................................................... 3-4
3.3.3.3.2 RS232 Baud........................................................................................................................................................... 3-4
3.3.3.4 Ethernet Parameters..................................................................................................................................................... 3-5
3.3.3.4.1 MAC Address........................................................................................................................................................ 3-5
3.3.4 System Common Parameters ......................................................................................................................... 3-5
3.3.4.1 Faults ........................................................................................................................................................................... 3-5
3.3.4.1.1 Major Faults .......................................................................................................................................................... 3-5
3.3.4.1.2 Minor Faults .......................................................................................................................................................... 3-5
3.3.4.2 Reference Frequency ................................................................................................................................................... 3-6
3.3.4.2.1 External Reference ................................................................................................................................................ 3-6
3.3.4.2.1.1 External Reference Enable/Disable................................................................................................................ 3-6
3.3.4.2.1.2 External Reference Frequency ....................................................................................................................... 3-6
3.3.4.2.2 Output Reference................................................................................................................................................... 3-6
3.3.4.2.2.1 Output Reference Select................................................................................................................................. 3-6