evertz 7706LT 27, Руководство пользователя

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7706LT
Extended L-Band RF Fiber Transmitter
Revision 1.1
Page - i
TABLE OF CONTENTS
1. OVERVIEW ................................................................................................................................... 1
2. INSTALLATION ............................................................................................................................ 3
2.1. 7706LT CONNECTIONS ...................................................................................................... 4
2.2. CARE AND HANDLING OF OPTICAL FIBER ..................................................................... 4
2.2.1. Safety ........................................................................................................................ 4
2.2.2. Assembly ................................................................................................................... 5
2.2.3. Labelling .................................................................................................................... 5
2.2.4. Handling and Connecting Fibers................................................................................ 6
3. SPECIFICATIONS......................................................................................................................... 7
3.1. RF INPUT ............................................................................................................................. 7
3.2. RF MONITOR OUTPUT ........................................................................................................ 7
3.3. OPTICAL OUTPUT .............................................................................................................. 7
3.4. RF SYSTEM PERFORMANCE 7706LRA PAIR ..................................................... 7
3.5. ELECTRICAL ....................................................................................................................... 7
3.6. PHYSICAL (NUMBER OF SLOTS) ...................................................................................... 7
3.7. COMPLIANCE ...................................................................................................................... 8
4. STATUS INDICATORS ................................................................................................................. 9
5. JUMPER POSITIONS ................................................................................................................. 11
5.1. 7706LT JUMPERS AND LEDS .......................................................................................... 11
5.2. SELECTING WHETHER LOCAL FAULTS WILL BE MONITORED BY THE GLOBAL
FRAME STATUS ................................................................................................................ 11
5.3. CONFIGURING THE MODULE FOR FIRMWARE UPGRADES ........................................ 12
5.4. FACTORY AND BDM JUMPERS ....................................................................................... 12
6. DOT-MATRIX DISPLAY .............................................................................................................. 13
6.1. 7706LT CONTROLLED PARAMETERS ............................................................................ 16
6.1.1. Adjusting the RF Input Power Alarm ........................................................................ 16
6.1.2. Selecting the Input Gain Mode ................................................................................ 16
6.1.3. Enabling/Disabling Squelch Mode ........................................................................... 17
6.1.4. Adjusting the Squelch Mode Threshold ................................................................... 17
6.1.5. Adjusting the RF Gain ............................................................................................. 17
6.1.6. Adjusting the AGC Target Level .............................................................................. 18
6.1.7. Setting the Passcode (DWDM versions only) .......................................................... 18
6.1.8. Setting the LNB Voltage Level ................................................................................. 18
6.1.9. Configuring the 22KHz Tone ................................................................................... 19
6.1.10. Setting the LNB Current Threshold Level ................................................................ 19
6.1.11. Default Card-Edge Display ...................................................................................... 19