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Table of Contents
Troubleshooting
Related Manuals for Matchmaster 20MM-LT10L
Summary of Contents for Matchmaster 20MM-LT10L
- Page 1 20MM-LT10L DVB-T, DVB-C & Satellite Optical Transmitter Operating Manual...
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Page 2: Table Of Contents
4.2 Precautions ....................- 8 - 4.3 Mounting the 20MM-LT10L ............... - 8 - 4.3.1 Mount the 20MM-LT10L in a cabinet ..........- 8 - 4.3.2 Connecting the RF Cables ..............- 9 - 4.3.3 Connecting the Optical Fiber Cables ..........- 9 - 4.3.4Connecting the Ethernet Cable ............ -
Page 3: Product Summary
FTTx PON technology to achieve FTTH and the multi-network integration of CATV (Analogue, DVB-T,T2, DVB-C), Satellite Television (DVB-S/S2) and Internet. 20MM-LT10L is in 1RU 19” standard rack form, with a built in microprocessor controlling the working parameters via keys and front panel LCD to provide status display and fault diagnosis. -
Page 4: Product Applications
20MM-LT10L Optical Transmitter Operating Manual Block Diagram: 1.3 Product Applications • One optical fiber transmits CATV and Satellite band up to 2600MHz • FTTx PON (EPON, GPON) Technical Parameters Performance Index Unit Remark Optical Characteristics Laser Type Specified by the user... -
Page 5: Panel Interface And Menu System Description
20MM-LT10L Optical Transmitter Operating Manual SAT-IF Characteristics Working Bandwidth 950~2600 Input Range 68~83 dBµV Input level Flatness ±1 Input Return Loss C/IM3 ≥55 Note1 General Characteristics Power Supply (AC) 110~265 Optional dual power Consumption SNMP network RJ45 management interface Working Temperature 0~50 °C... -
Page 6: Rear Panel
20MM-LT10L Optical Transmitter Operating Manual 3.2 Rear Panel Fan outlet RF signal input port Voltage output switch +18V indicator +12V indicator RS232 interface LAN interface Optical output interface Power socket Power socket Ground stud Note: When the voltage output is switched on the ‘－’ side, the +12V indicator is on and the RF signal input port is supplied with +12VDC voltage output. -
Page 7: Display Menu
20MM-LT10L Optical Transmitter Operating Manual Display Menu 3.3.2 Display Display Description Description parameters parameters Laser Output Output optical power +24V +24V monitor voltage Laser Bias Laser current Serial number Laser Temp Laser temperature Box temperature Temperature TEC Cooling Cooling current... -
Page 8: Setup Menu
20MM-LT10L Optical Transmitter Operating Manual Setup Menu 3.3.3 Display parameters Description Remark Set Laser Output Unit Set optical power output unit mW and dBm optional Set Buzzer Alarm Set buzzer alarm YES is on, NO is off Set RF Control Mode... -
Page 9: Installing The 20Mm-Lt10L Optical Transmitter
4.3.1 Mount the 20MM-LT10L in a cabinet To mount the 20MM-LT10L in a standard 19-inch equipment cabinet: 1. Place the unit in the cabinet. 2. Use four mounting screws to attach the mounting ears on the front panel to the cabinet. -
Page 10: Connecting The Rf Cables
4. Note the key characteristics of the mating connectors and align them accordingly. 4.3.4 Connecting the Ethernet Cable You can connect the 20MM-LT10L to your TCP/IP network in order to monitor and control the transmitter remotely. After you complete the installation procedures described in this chapter, you can use a network management system (NMS) to monitor and control the 20MM-LT10L. -
Page 11: Connecting Power
20MM-LT10L Optical Transmitter Operating Manual 4.3.5 Connecting Power 20MM-LT10L uses 110-265VAC power supply. Follow the power connection procedure below. It has two 110-265V power supplies that require input voltage from 110 to 265 VAC, at 50 to 60Hz single phase. The AC power plug is located on the rear panel. - Page 12 20MM-LT10L Optical Transmitter Operating Manual Then you input your connection name, such as “SNMP38400”，and choose the serial port to connect with your equipment. As follows: Press the “OK” button shows the configuration page of serial port. As follows: Change the serial port configuration to 38400-baud rate, 8 data bits, no parity bit, 1 stop bit, no data flow control, press the “OK”...
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Page 13: Operating Parameter Configuration
20MM-LT10L Optical Transmitter Operating Manual You can click “fileàsave” menu to save this configuration of Hyper Terminal for later use. 5.3 Operating Parameter Configuration Under the condition of power off, use the serial port lines to connect the RS232 port with the computer port. - Page 14 20MM-LT10L Optical Transmitter Operating Manual System supports the following commands: help List internal commands of the system; ethcfg Configure the Ethernet operating parameters; settrap Configure the aim host IP address of the SNMP Trap; community Configure the SNMP group name;...
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Page 15: Remote Monitoring: Snmp
20MM-LT10L Optical Transmitter Operating Manual ethcfg This command configures the Ethernet parameters, including IP address, subnet mask and gateway. You can refer to the help information for its use. settrap This command shows or modifies the aim host IP address list of the SNMP Trap, IP address of 0.0.0.0 and 255.255.255.255 don’t exist. - Page 16 20MM-LT10L Optical Transmitter Operating Manual 1: TX+ 2: TX- 3: RX+ 4: No Connect 5: No Connect 6: RX- 7: No Connect 8: No Connect A: Green indicator flashing means that the LAN port is sending data. B: Yellow indicator means that the network connection is normal.
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Page 17: Maintenance And Troubleshooting
In addition, if you suspect that the optical connector of 20MM-LT10L may have been exposed to contamination (by a dirty fiber cable connector, for example), you should properly clean the optical connector before connecting the optical fiber. -
Page 18: Troubleshooting
20MM-LT10L Optical Transmitter Operating Manual 6.2 Troubleshooting Should a problem occur, see if the symptoms are listed in Table 6-1. Table 6-1: Troubleshooting Solutions Indicator Alarm menu Fault phenomenon Solution status content indicator Normal Normal Operation Normal green flash Verify the optical transmitter... -
Page 19: After-Sales Service Description
20MM-LT10L Optical Transmitter Operating Manual 6.3 After-sales Service Description 1. If the equipment fault is resulted from the users’ improperly operating or unavoidable environment reasons, charges will apply for replacement or repair. 2. Any site maintenance of the faulted equipment must be operated by professional technicians to avoid further damage.
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