1. Manuals
  2. Brands
  3. RF Manuals
  4. Transmitter
  5. RF-T860
  6. Installation & operation manual

RF -T860 Installation & Operation Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual

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.

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the RF-T860 and is the answer not in the manual?

Questions and answers

Summary of Contents for RF RF-T860

  • Page 1: Optical Transmitter

    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

    2.3 B ..................2 LOCK IAGRAM 2.3.1 ATC Loops ..................3 2.3.2 APC Loops ..................3 2.3.3 RF loops ..................3 2.3.4 Data Collection, Control and Internet ..........3 SPECIFICATION ..................4 BOARD ILLUSTRATION ................5 4.1 F ..................... 5...

  • Page 3: 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

    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. The capability of RF-T860 is: Laser power ON/OFF can be adjusted by the lock.

  • Page 5: Features

    2.3 Block Diagram The transmitter is based on 6 functional blocks. Optical laser temperature controlled (ATC), Optical power control electronics(APC), Data Collection, Controller, Communication Circuit, RF Circuit, and so on. The Block Diagram is in Figure 2. Figure2: RF-T860 Block Diagram...

  • Page 6: Atc Loops

    In case of an optical output power failure, an alarm is generated on the front case LCD. 2.3.3 RF loops The RF circuit is used for the amplify of the RF signal, ALC/MGC function, Pre-distortion of the RF signal. a) MGC Manual Gain Control.

  • Page 7: Specification

    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 Single Module (9/125µm)

  • Page 8: Board Illustration

    LCD shows warning message. 4. RF working status Indicating Lamp The Lamp lit green when RF Input signal is available, or else, the lamp turn red. The lamp lit red also when the laser power is off. 5. Reset Key Press the key to reset the CPU.

  • Page 9: Rear Panel

    RF input to the laser. 10. RF Test Port RF Test Port is used for monitoring the inject RF Level. When the testing RF Level equals with the value offered by the supplier, users can obtain the accordant specification stipulated on this user’s manual.

  • Page 10: Installing

    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. AC power socket (220VAC 50Hz) The Voltage range should be 100~250VAC.
  • Page 11 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...

  • Page 12: Testing

    In the Frequency Range 45M-750/860MHz , frequency response is within ±0.75dB, Return Loss is above 14dB .(Note: When ALC/AGC switch is at MGC side, adjust the RF attenuation with RF Attenuator. Be sure the Flatness is in ±0.75dB from lowest loss to 10dB loss.)

  • Page 13: Trouble Shooting

    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 press the RESET key.

Table of Contents