MDS 4790 Series Licensed Microwave Radio Manuals

MDS 4790 Series Licensed Microwave Radio Manuals

Manuals and User Guides for MDS 4790 Series Licensed Microwave Radio. We have 1 MDS 4790 Series Licensed Microwave Radio manual available for free PDF download: Installation & Operation Manual

MDS 4790 Series Installation & Operation Manual

MDS 4790 Series Installation & Operation Manual (120 pages)

Multiple Address System Master Station Radio

Brand: MDS | Category: Radio | Size: 2 MB

Table of Contents

Section 1

3
- Table of Contents
  3
- Introduction
  9
- Product Description
  9
- Network-Wide Diagnostics
  10
- Redundant Versus Non-Redundant Operation
  10
- Applications
  11
- Basic MAS Master Station Operation
  11
- Repeater and Polling Remote Operation
  11
- Features
  12
- Accessories
  13
- Model Number Codes
  14
- Installation Planning
  14
- General Requirements
  14
- Site Selection
  15
- RF Propagation Planning
  15
- A Word about Interference
  16
- Antenna and Feedline Selection
  16
- Antenna System
  16
- Feedline Selection
  17
- Installation Procedures
  18
- Unpacking and Inspection
  18
- Mounting the Radio
  19
- Rack Mounting
  19
- Tabletop Mounting
  19
- Remote Front Panel Mounting-Optional Configuration
  20
- Primary Power
  21
- AC-Powered Units
  22
- DC-Powered Units
  22
- Backup Battery
  23
- Location of Battery Backup Switch
  23
- Low-Voltage Disconnect Feature
  24
- Battery Reset Switch (SW1/LVD PCB)
  24
- Antenna Installation
  24
- Feedline Installation
  25
- Interface Wiring Connections
  25
- TX, Antenna and RX Coaxial Connectors (Type-N)
  26
- Ground Connection
  28
- Diagnostics Connector-J1
  29
- 4-Wire Audio Connector-J2
  29
- Data Interface Connector-J3
  30
- Orderwire Connector-J9
  31
- Alarm Contacts-J10
  31
- Post Installation Checks
  32
- Start-Up and Operation
  32
- Initial Startup
  32
- Normal Indications
  32
- Maximizing RSSI
  32
- Coordinating Activities by Orderwire
  33
- Front Panel Indicators
  33
- LED Indicators
  34
- Front Panel Display
  35
- PC Connection
  36
- Diagnostics and Control
  36
- PC Command Summaries
  38
- Commands and Command Parameters
  39
- Modem
  40
- Repeater Mode
  40
- Radio Selection
  40
- Push-To-Talk Delay
  40
- Emphasis
  40
- Key on Data
  40
- Data Buffering
  40
- Continuous Keying
  40
- Clear-To-Send Delay
  40
- Baud Rate/Format
  40
- Receive Level
  41
- Set Time
  41
- RX Timeout
  41
- Receive Pad
  41
- Transmit Frequency
  41
- Receive Frequency
  41
- Event Log
  41
- Clear Logs
  41
- Alarm Masks
  41
- Active Radio Status
  41
- Manual Key
  42
- S/N Ratio
  42
- Set Owner Message
  42
- Set Owner Name
  42
- Unit Address
  42
- Detailed Command Descriptions
  43
- Alarm
  43
- Amask [0000 0000-Ffff Ffff]
  45
- BAUD [XXXXX Abc]
  46
- Batt(Ery) [ON/OFF]
  46
- Asense [Hi/Lo]
  46
- Buff [On/Off]
  47
- Ckey [On/Off]
  48
- Cts [0-255]
  48
- Datakey [On/Off]
  48
- DATE [MMM DD Yyyy]
  49
- Dkey
  49
- DLINK [On/Off/XXXX]
  49
- DMGAP [XX]
  50
- Dtype [Node/Root/Gate/Peer]
  50
- Emp [On/Off]
  50
- Hrev
  51
- Init
  51
- Maddr [None, 1-255]
  52
- Key
  52
- Log [Clr]
  52
- Nmask [0000 0000-Ffff Ffff]
  53
- Model
  53
- Modem [None/4800/9600/19200/Default]
  53
- OWM [XXXXX]
  54
- OWN [XXXXX]
  54
- Opt
  54
- Ptt [0-255]
  55
- Pwr [20-37]
  55
- Radio [Auto/A/B]
  55
- Receive Signal Strength
  56
- Rtu [On/Off/0-80]
  56
- Rssi, Rssi
  56
- Repeater [On/Off]
  56
- RXLEVEL [-20 to +3]
  57
- RXMUTE [On/Off/Time in Msec]
  57
- RX [XXX]
  57
- Rxpad [On/Off]
  58
- Rxtot [None, 1-1440]
  58
- Scd [0-255]
  58
- Ser
  58
- RXTOT Command
  58
- Show [DC/Pwr/Current/Radio]
  59
- Snr, Snr
  59
- Stat
  60
- Srev
  60
- Standby [On/Off]
  60
- Temp
  61
- Output Power
  61
- TIME [Hh:MM:ss]
  62
- Tot [On/Off, 1-255]
  62
- TX [XXXX]
  62
- Txgain [On/Off]
  63
- TXLEVEL [-20 to +3, AUTO]
  63
- Unit [10000-65000]
  63
- Configuration and Programming Using the Front Panel
  64
- Navigating through the Front Panel Screens
  66
- Programming and Control Buttons
  66
- Switching the Front Panel Display to Configuration Mode
  67
- Use of Control Buttons in Configuration Mode
  67
- Menu Directory Screen
  67
- Selecting a Main Menu Item
  67
- Selection Arrow
  67
- Making Changes to Radio Functions
  68
- Screen Descriptions
  68
- Group 1-Startup Screen and Menu Directory
  68
- Group 2-Configuration Screens
  68
- Display Contrast
  69
- Backlight Intensity
  69
- Group 4-Event Log
  69
- Serial Number
  71
- Show Temperature and Voltages
  71
- Software Revision
  71
- Transmitter Status
  71
- Soft Carrier De-Key Delay
  75
- Local & Network-Wide Problem Solving
  83
- Replacing Assemblies
  83
- Local Problem-Solving
  84
- Front Panel Leds
  84
- Chassis-Mounted Leds
  85
- Problem Solving Using a Connected PC
  86
- Problem Solving Using the Front Panel Display
  86
- System Bench Testing Set-Up
  87
- Performing Network-Wide Radio Diagnostics
  88
- Replacing Assemblies
  90
- Transceiver Board and Power Supply Assemblies
  90
- Installation & Removal of Backup Battery (P/N 28-1575Axx)
  91
- Front Panel
  92
- Operating Frequency Change Considerations
  93
- MDS 4790-400 Mhz Notch-Type Duplexers
  94
- MDS 9790-Bandpass-Type Duplexers
  94
- Testing
  95
- Testing and Removing an Internal Duplexer
  95
- MDS 4790/970-Front End Helical Coil Alignment
  95
- MDS 4790/9790 Simplex Radios-With Antenna Switch Modules
  95
- Removing the Internal Duplexer
  96
- Testing and Removing the Antenna Switch Module
  97
- Testing
  97
- Removing the Antenna Switch
  98
- Cooling Fan Maintenance
  99
- Radio Software Upgrades
  99
- Obtaining New Code
  99
- Preparing for Download
  100
- Downloading New Code-Procedure
  100
- Technical Specifications
  101
- Technical Reference
  101
- RF Propagation Planning
  103
- Fresnel Zone Clearance
  104
- Earth Curvature
  105
- Fade Margins
  105
- Calculating Path Loss
  106
- Formulas for System Planning
  106
- Free Space Path Loss
  106
- Fresnel Zone Boundary
  106
- Theoretical Signal Strength
  106
- Probability of System Fading
  107
- Dbm-Volts-Watts Conversion Chart
  108
Section 2

116

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