ViaSat VBM-1400 Manuals

Manuals and User Guides for ViaSat VBM-1400. We have 1 ViaSat VBM-1400 manual available for free PDF download: Installation And User Manual

ViaSat VBM-1400 Installation And User Manual (81 pages)

Broadband Modulator

Brand: ViaSat | Category: Modulator | Size: 0 MB

Table of Contents
17
General Description
21
Introduction
21
Equipment List
21
Table 1-1 Furnished, Optional, and User Supplied Items
21
Vbm-1400 Specifications
22
Table 1-2 VBM-1400 Specifications
22
Figure 1-1 Typical BER Vs. Eb/No. Performance
24
VBM-1400 Description
25
Figure 1-2 VBM-1400
25
VBM-1400 Front Panel Controls and Indicators
26
Figure 1-3 VBM-1400 Front Panel Controls and Indicators
26
Table 1-3 VBM-1400 Front Panel Controls and Indicators
26
Preparation for Use and Installation
27
Introduction
27
Tools and Test Equipment
27
Unpacking and Inspection
27
Table 2-1 Recommended Installation Tools and Test Equipment
27
Installation
28
Figure 2-1 VBM-1400 Installation Location (Typical)
28
VBM-1400 Connections and Descriptions
29
Figure 2-2 VBM-1400 Rear Panel
29
Table 2-2 Rear Panel Connectors
30
Table 2-3 DVB/M2P in (J1) Pin Descriptions
31
Table 2-4 Ethernet (J3) Pin Descriptions
31
VBM-1400 Output Observation
32
Figure 2-3 VBM-1400 Output Observation Connections
32
Table 2-5 ALARM (J4) Pin Descriptions
32
Table 2-6 REMOTE Connector
32
Power
33
Operation
33
Initial Set up and Configuration
35
Introduction
35
Initial Setup and Checkout
35
Parameters Required before Configuring the VBM-1400
35
Turning on and Configuring the VBM-1400 Using the Front Panel
35
Table 3-1 VBM-1400 Set up Quick Guide and Summary
35
Modulator Parameters
36
Symbol Rate
36
Data Rate
36
Code Rate
36
Frequency
36
TX Power
36
TX Power Detect
37
Transmit
37
Spectrum
37
Carrier
37
Symbol Rolloff
37
Modulation Type
37
Interface Parameters
37
Interface Type
37
Interface MPEG Sync Delete
38
Remote Control Parameters
38
RIO Control Enable/Disable
38
RS485 Address
38
RS485 Format
38
RS485 Baud
38
RS232 Format
38
RS232 Baud
38
Ethernet Parameters
39
MAC Address
39
System Common Parameters
39
Faults
39
Major Faults
39
Minor Faults
39
Reference Frequency
40
External Reference
40
External Reference Enable/Disable
40
External Reference Frequency
40
Output Reference
40
Output Reference Select
40
Auxiliary Parameters
40
Revisions
40
Firmware Revisions
40
Hardware Revisions
40
Clock
41
Time
41
Edit Time
41
Date
41
Edit Day
41
Edit Month
41
Edit Year
41
Temperature
41
Reset
41
Soft Reset
41
Front Panel Backlight off Timer
42
Front Panel Lock
42
Transmitting and Verifying the Uplink Signal
42
Normal Operations
42
Remote Control
43
Protocol
43
Modulator Commands
43
Frequency (Mhz)
43
Power (-Dbm)
44
Code Rate/Modulation Order
44
Data Rate (Mbps-QUERY ONLY)
44
Symbol Rate (MSPS)
44
Transmit State
45
Carrier State
45
Spectrum State
45
Symbol Roll-Off (Alpha)
45
Modulator Data Interface Commands
46
Interface Selection
46
MPEG Sync Delete
46
System Common Commands
47
System Soft Reset
47
System External Reference Control
47
System External Reference Frequency
47
System Output Reference Source Select
47
System Firmware Revisions (QUERY ONLY)
48
System Clock
48
System Date
48
System Defaults
49
System Chassis SN
49
System Mod Board SN
49
System MDI Board SN
49
System RF Board SN
50
System Serial Number Dump (QUERY ONLY)
50
System RF Board Temperature (QUERY ONLY)
50
System MOD Board Temperature (QUERY ONLY)
50
System Status (QUERY ONLY)
51
System Update
51
Human I/O Commands
52
Front Panel Lockout
52
Front Panel Backlight Timeout
52
Remote I/O Commands
52
EIA-485 Bus Address
52
EIA-485 Data Format
53
General Theory of Operation
55
Power Distribution
55
Monitor and Control
55
Figure 5-1 VBM-1400 Basic Block Diagram
55
Reference Signal
56
Signal Flow
56
Maintenance Instructions
57
Introduction
57
Inspection
57
VBM-1400 Chassis Inspection
57
Inspection of Cable Assemblies and Connectors
57
Cleaning
57
Table 6-1 VBM-1400 Maintenance Requirements Summary
57
Cleaning VBM-1400 Chassis
58
Cleaning Connectors
58
General Troubleshooting
58
Equipment Troubleshooting
58
Table 6-2 Fault Symptoms and Cross Reference
58
No Power
59
Figure 6-1 no Power
59
No Remote Control
60
Figure 6-2 no Remote Control
60
No Output Signal from Unit
61
Figure 6-3 no Output Signal from Unit
61
MAJOR FAULT LED on
62
Figure 6-4 MAJOR FAULT LED on
62
MINOR FAULT LED on
63
Figure 6-5 MINOR FAULT LED on
63
No or Incorrect Display
64
Figure 6-6 no or Incorrect Display
64
No or Incorrect LED Operation
65
Figure 6-7 no or Incorrect LED Operation
65
Removal and Replacement
66
Removing the VBM-1400
66
Replacing the VBM-1400
66
Removing and Replacing Cables and Connectors
66
Reshipment
67
Return to the Factory
67
Packaging
67
Shipping
67
Appendix Avbm-1400 Parameter Worksheet
69
Appendix Cglossary
73
Appendix Edrawings
79

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