Prevail-Catv WT-1550-EM20 Series Operating Manual Download | Manualshive

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WT-1550-EM20

1550nm external modulated

optical transmitter

operating manual

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Summary of Contents for WT-1550-EM20 Series

Page 1: ... an ng gz zh ho ou u P Pr re ev va ai il l O Op pt to oe el le ec ct tr ro on ni ic c E Eq qu ui ip pm me en nt t C Co o L Lt td d WT 1550 EM20 1550nm external modulated optical transmitter operating manual ...

Page 2: ...l Data Sheet 4 3 Panel Interface and Menu System Description 4 3 1 Front Panel 4 3 2 Rear Panel 5 3 3 Power Module 5 3 4 Menu Operation 5 4 Installing the WT 1550 EM20 Optical Transmitter 7 4 1 Receiving and Inspecting 7 4 2 Mounting WT 1550 EM20 7 5 Communication Setup 9 5 1 RS232 Communication Interface Description 9 5 2 Set up the Hyper Terminal 9 5 3 Operating Parameters Configuration 10 5 4 R...

Page 3: ...vail patent pre distortion circuit and SBS control circuit Overall indexes reach to well known brand types level and price is inexpensive We have sold thousands of products over the years The products save plenty of costs for operator s network construction and get many users good reputation 1 3 Features This 1550nm optical transmitter can be used in long distance transmission Double microwave sou...

Page 4: ...sly adjustable Laser Linewidth MHz 0 3 2 2 Model Test Indicators Test Model C42 D59 D84 Channel Plan CENELEC42 PAL D59 PAL D84 Channel Number TV FM QAM64 42 0 0 59 0 0 84 0 0 Bandwidth Noise 5 5 5 CNR Tx Rx 55 0 54 0 52 5 CNR Link 1 54 0 53 5 52 0 CNR Link 2 53 0 52 5 50 5 CNR Link 3 50 5 50 5 49 0 CSO Tx Rx and Link 1 64 64 64 CSO Link 2 63 64 64 CSO Link 3 62 62 62 CTB 62 62 62 2 3 Test Conditio...

Page 5: ...ation V 90 265VAC 36 72VDC Consumption W 60 Dimension mm 483 L 455 W 44 H Total Weight kg 5 5 3 Panel Interface and Menu System Description 3 1 Front Panel 1 Power indicator 2 AGC indicator 3 RF indicator 4 Laser indicator 5 LCD 6 ESC key 7 UP key 8 DOWN key 9 Enter key 10 RF input port optional 11 20dB RF input test port 3 1 1 Indicator Description Power indicator One power supply LED yellow Two ...

Page 6: ...tput interface A or on the front panel optional 8 Optical output interface B or on the front panel optional 3 3 Power Module 3 3 1 220V Power Module 1 Mounting screws 2 220V power outlet 3 Fuse 4 Power switch 3 3 2 48V Power Module 1 Mounting screws 2 Positive terminal block 3 Negative terminal block 3 4 Menu Operation 3 4 1 Main Menu Display Comments 1 Disp Parameters Menu one Display parameters ...

Page 7: ...12V Read 12V monitor voltage RF CSO CSO monitor voltage 12V Read 12V monitor voltage Laser Cooling Cooling current LASER Laser status OMI rms Total modulation degree SBS Module Temp SBS module temperature RF Mode RF control mode BOX Temp Overall temperature AGC Adjusted value with AGC mode MCU Temp MCU temperature MGC Adjusted value with MGC mode S N Serial number 5V Read 5V monitor voltage Versio...

Page 8: ...atus HIGH LOW The output optical power is high low 5V Status HIGH LOW The 5V voltage is high low 5V Status HIGH LOW The 5V voltage is high low 12V Status HIGH LOW The 12V voltage is high low 12V Status HIGH LOW The 12V voltage is high low 24V Status HIGH LOW The 24V voltage is high low Laser OFF The laser is off CSO Initialization failed The CSO initialization is failed Power invalid LEFT RIGHT Th...

Page 9: ...trol the WT 1550 EM20 To connect the WT 1550 EM20 you must use a shielded and grounded Category 5 Ethernet cable To connect the Ethernet cable 1 Connect an Ethernet cable to the transmitter s RJ 45 Ethernet port and to your TCP IP network The Ethernet port is on the built in transponder of the transmitter 2 Verify that the green Link LED is illuminated indicating that there is a connection The Lin...

Page 10: ...D 6 No Connect 7 No Connect 8 No Connect 9 No Connect The serial communication uses the standard NRZ form 1 starts bit 8 data bits 1 stop bit and the baud rate is 38400 5 2 Set up the Hyper Terminal If you have not setup the Hyper Terminal in your Windows system follow the steps Click start menu program accessory communication Hyper Terminal This results in the following screen Then you input your...

Page 11: ... press the OK button you have set up the Windows serial port Hyper Terminal You can click file save menu to save this configuration of Hyper Terminal for later using 5 3 Operating Parameters Configuration Under the condition of power off use the serial port lines to connect the RS232 port with the computer port Open the Windows Hyper Terminal which you have set up Then turn on the power you will s...

Page 12: ...ing as follows help This command shows current application program version program name and the internal commands list of the system as follows You can also use the help command to show help information of other commands such as help ethcfg ethcfg s help information appears as follows List internal commands of the system Configure the Ethernet operating parameters Configure the aim host IP address...

Page 13: ... the read only and community rw for the read write For example input community rw public public is the read write group name The group name for read only and read write are both public as the equipment default setting from factory 5 4 Remote Monitoring SNMP LAN communication interface Adopt RJ45 standard connector the pin definitions as follow 1 TX 2 TX 3 RX 4 No Connect 5 No Connect 6 RX 7 No Con...

Page 14: ...e in the default state you need to configure them The configuration of initial state can be achieved through the RS 232 interface or the front panel keys Other configurations see our 5 5 WEB Network Management section 5 5 WEB Network Management Open the IE browser type the IP address and enter the interface as follows Type the user name admin and the password 123456 factory default enter the follo...

Page 15: ...rs lead to optical signal loss and reflections which in turn can seriously degrade signal to noise SNR performance and in some cases distortion performance We recommend that you clean all mating fiber connectors before connecting them to an optical transmitter In addition if you suspect that the optical connector of WT 1550 EM20 may have been exposed to contamination by a dirty fiber cable connect...

Page 16: ...fy the optical transmitter is operating within the proper input level threshold range If that does not solve the problem contact Customer Service CSO Initialization failed CSO nonlinearity indexes are poor Disconnect the RF connection wait 10 seconds before reconnecting the RF signal Laser indicator is flash red Laser Bias HIGH The laser is off Contact Customer Service Laser TEC HIGH The laser is ...

Page 17: ...technicians to avoid worse damage Special notice If the equipment has been maintained by users we will not responsible free maintenance We will ask suitable maintenance cost and material cost 6 4 Disclaimer We reserve the right to change any products described herein at any time and without prior notice We assume no responsibility or liability arising from the use of the products described herein ...

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