RF Electronics RF-T860/24 Installation & Operation Manual

Optical transmitter

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All manuals and user guides at all-guides.com
Optical Transmitter
RF-T860/24
Installation & Operation Manual
Caution
These servicing instructions are for use by qualified personnel only.
To reduce the risk of electrical shock, please do not perform any
serving other than that contained in the installation manual unless you
are qualified to do so. Refer all servicing to qualified service
personnel.

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  • Page 1 All manuals and user guides at all-guides.com Optical Transmitter RF-T860/24 Installation & Operation Manual Caution These servicing instructions are for use by qualified personnel only. To reduce the risk of electrical shock, please do not perform any serving other than that contained in the installation manual unless you are qualified to do so.
  • Page 2: Table Of Contents

    All manuals and user guides at all-guides.com RF-T860 Optical Transmitter Content Caution ...................... 1 TECHNICAL SUPPORT ................0 GENERAL DESCRIPTION ................. 1 2.1 I .................... 1 NTRODUCTION 2.2 F : ....................2 EATURES 2.3 B ..................2 LOCK IAGRAM 2.3.1 ATC Loops ..................3 2.3.2 APC Loops ..................
  • Page 3: Technical Support

    All manuals and user guides at all-guides.com 1. Technical Support Before you begin using the RF-T860, familiarize yourself with this user’s manual. If you need assistance while working with RF-T860, please contact us. Please do not open the unit and verify any circuit yourself, and it is necessary to make some simple check before calling service.
  • Page 4: General Description

    All manuals and user guides at all-guides.com RF-T860 Optical Transmitter 2. General Description 2.1 Introduction RF-T860 is an intelligent high performance fiber Transmitter. It is widely used at node locations of a fiber optic link to convert the RF signal to optical signal in the HFC plant.
  • Page 5: Features

    All manuals and user guides at all-guides.com RF-T860 Optical Transmitter Figure 1. RF-T860 2.2 Features: Low Input RF Level ALC/MGC APC/ATC Pre-distortion circuit CPU monitor control the working statues LCD shows the working status and the alarm message Cut off the optical power automatically when the work is abnormal RS232 port for the monitoring status through remote computer 2.3 Block Diagram The transmitter is based on 6 functional blocks.
  • Page 6: Atc Loops

    All manuals and user guides at all-guides.com RF-T860 Optical Transmitter 2.3.1 ATC Loops There is one loop for operating the laser diode at constant optical output power, as well as at constant temperature, by means of an Auto Temperature Control Loops (ATC). The Optical Power and the life-span would be influenced by the temperature of the heat Optical Laser.
  • Page 7: Specification

    All manuals and user guides at all-guides.com RF-T860 Optical Transmitter 3. Specification 3.1 Optical Out put 1) Optical Wavelength 1310 2 0nm ± >0.1mW/mA(6mW) 2) Conversion Efficiency >0.2mW/mA(8-14mW) 4 5 6 7 8 9 10 11 12 13 14 15 3) Optical Output Power 16 20 24mW 4) Optical Fiber Type...
  • Page 8: Board Illustration

    All manuals and user guides at all-guides.com RF-T860 Optical Transmitter 2) Storage Temperature - +55 ℃ ℃ 3.6 Power Supply 1) Input Power Range 100V-260V 2) AC Power Frequency 50Hz The machine should be safely grounded. 4. Board Illustration Front Panel 2 3 4 5 Figure 3.
  • Page 9: Rear Panel

    All manuals and user guides at all-guides.com RF-T860 Optical Transmitter control of the software, Reset Key could resume the normal working status. 6. LCD The LCD shows the status of laser temperature, cooler current, laser optical output power, laser bias, and switching power voltage when the transmitter’s working status is normal, otherwise, the LCD shows the warning massage.
  • Page 10: Installing

    All manuals and user guides at all-guides.com RF-T860 Optical Transmitter 3. RF Input Port( F type) 4. RS232(1) Preinstalled for the use of the CPU, convenient for monitor control. 5. RS232(2) Preinstalled for the use of the CPU, convenient for monitor control. 6.
  • Page 11 All manuals and user guides at all-guides.com RF-T860 Optical Transmitter 5. The “RF Level”(Refer to the RF input signal) lamp is lit red first and turns green when the RF input signal is applied. 6. Reset or resort to the supply If the transmitter is not in proper order, the above three lamps are lit red, the LCD show alarm message and remind the user to turn off the machine, the software would reset automatically, otherwise, please press the RESET key...
  • Page 12: Testing

    All manuals and user guides at all-guides.com RF-T860 Optical Transmitter 6. Testing 6.1 Test Equipment connection for Response and Return Loss Testing Network Optical Optical Analyzer RF Output Transmitter Attenuator 8711 RF-T860 RF Input Optical Output . RF Input Optical Input Optical Receiver u sed in Test RF Output...
  • Page 13: Trouble Shooting

    All manuals and user guides at all-guides.com RF-T860 Optical Transmitter 7. Trouble shooting Trouble Reason. Solution Power on, the LCD Switch Power Check the power socket, is off. is abnormal. connect the supplier to get help. 1.The The software would reset the Operating automatically, otherwise, please Temperature is...

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