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FiberLabs OTM-1550L, Руководство по эксплуатации

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Technical passport / OTM-1550 

12-2016-v4

 

4. Installing the OTM-1550L Optical Transmitter 

4.1 Receiving and Inspecting 

As you unpack your unit, inspect the shipping container and equipment for damage. 
Save the shipping material for future use. If the container or the equipment is 
damaged, notify both the freight carrier and us. 

CAUTION

: 

To protect yourself from potential injury and to protect 

the equipment from further damage, do not perform any 
operational tests if the equipment appears to be damaged. 

4.2 Precautions 

Heed the following precautions when working with the 

OTM-1550L

. 

 

 

Warning

 

Read the installation instructions before connecting the 
system to the power source. 

 

 Warning

 

The plug-socket combination must be accessible at all 
times, because it serves as the main disconnecting device. 

4.3 Mounting OTM-1550L 

4.3.1 

Mounting

 the OTM-1550L in the 

Rack

 

Mounting the OTM-1550L in the standard 19 inch equipment rack: 
1. Place the equipment in the rack.   
2. Use four screws fixed the mounting lug on the OTM-1550L front panel to the rack. 
3. Reliably ground the equipment. The ground terminal is on the rear panel. 
4. Visually inspect each key (button) on the front panel to ensure that it is not trapped 
under the edge of its hole. If a key is trapped, tap the key to enable it to move freely. 

Содержание OTM-1550L

Страница 1: ...Technical passport OTM 1550L OTM 1550L Intelligent Direct Modulated Optical Transmitter Operating Manual ...

Страница 2: ...al Transmitter 12 4 1 Receiving and Inspecting 12 4 2 Precautions 12 4 3 Mounting OTM 1550L 12 4 3 1 Mounting the OTM 1550L in the Rack 12 4 3 2 Connecting the RF Cables 13 4 3 3 Connecting the Optical Fiber Cables 13 4 3 4 Connecting the Ethernet Cable 13 4 3 5 Connecting Power 14 5 Communication Setup 14 5 1 RS232 Communication Interface Description 14 5 2 Set up the Hyper Terminal 14 5 3 Operat...

Страница 3: ...rding to the actual transmission distance by 1km stepping The maximum compensated distance up to 50km OTM 1550L intelligent directly modulated optical transmitter is the most important equipment to construct the CATV network It mainly used for the value added services of TV image signal digital television signal telephone voice signal and data or compressed data signal By built in WDM multiplex th...

Страница 4: ... function and built in WDM The WDM specification please specify when ordering OTM 1550L III on the base of OTM 1550L II add VOA Variable Optical Attenuator can adjust the signal optical power intensity by the menu options on the front panel Block Diagram OTM 1550L directly modulated optical transmitter block diagram OTM 1550L inter cut part block diagram 1 3 Product Applications 1550nm Optical fib...

Страница 5: ...latness in band dB 0 75 RF input impedance Ω 75 Input return loss dB 16 C CSO dB 60 C CTB dB 65 C N dB 51 25Km optical fiber 0dB received AGC control range dB 5 MGC control range dB 0 20 Supply voltage V AC 110V 250V 50Hz Consumption W 30 Operating temperature 0 45 Storage temperature 20 65 Relative humidity Max 95 no condensation Dimension mm 483 L 380 W 44 H Special instructions The performance ...

Страница 6: ...dicator 4 RF input indicator 5 LCD 6 ESC key 7 UP key 8 DOWN key 9 Enter key 10 RF output test port 11 Laser switch 11 3 1 1 Indicator Description Power indicator POWER Power on LED green Running indicator RUN Run normally LED flash green Laser OFF LED red Laser indicator Laser ON LED green No output or exceed the normal range LED flash red RF input indicator RF Normal LED green ...

Страница 7: ...cut function no this port 6 Optical signal output This interface is the optical signal output port of the device If select inter cut function this port is mixed output 7 RS232 interface Used for configuring the network management parameters 8 LAN interface Correspond to IEEE802 3 10Base T used for network management 9 Switching power supply Hot plug 9 8 9 5 6 7 2 3 4 1 3 3 Power Module 3 3 1 220V ...

Страница 8: ... Main Menu In 0 0 Out 10 3 dBuV dBm Enter 1 Disp Parameters 2 Set Parameters 3 Alarm Status ESC Displayed parameters Comments Boot display 1 Disp Parameters Menu one Display parameters 2 Set Parameters Menu two Set parameters 3 Alarm Status Menu three Alarm status ...

Страница 9: ...Current x xxA RF Chan NO 1 ESC IP xxx xxx xxx xxx Msk xxx xxx xxx xxx GTW xxx xxx xxx xxx Mac XX XX XX XX XX XX SofteWare Ver VX X RF Control Mode AGC AGC Ref xdB Laser RF x dBuV RF Ctrl Mode MGC MGC ATT XdB Wave Length xxxx xnm 5V Read x xxV BOX Temp xx x S N xxxx xx xx 5V Read x xxV 24V Read xx xxV Input Power xx xdBm OP After ATT xx xdBm ...

Страница 10: ...menu Laser Bais Laser bias current Laser Temp Laser temperature Tec Current Cooler current RF Chan NO Channel number Laser RF Laser RF power RF Ctrl Mode RF control mode MGC ATT MGC attenuation in MGC mode AGC Ref AGC deviator in AGC mode Wave Length Wavelength 5V Read 5V monitoring voltage 5V Read 5V monitoring voltage 24V Read 24V monitoring voltage S N Serial number BOX Temp Temperature IP IP M...

Страница 11: ... ATT Set AGC Ref Set Local IP Address ESC YES NO AGC MGC 0dB xdBm Set SubNet Mask Set GateWay xxx xxx xxx xxx Restore Factory Set LaserOutPut Unit mW dbm Set PredATT Mode Auto Manu Set FiberC Length 0Km Set Channel Number x xxx xxx xxx xxx YES NO Set OPT ATT Mode Auto Manu Set OPT ATT 0dB Set OPT Delta 0dB xxx xxx xxx xxx ...

Страница 12: ...e 1km stepping Set Channel Number Set the channel number Set Local IP Address Set the IP address Set SubNet Mask Set the subnet mask Set GateWay Set the gateway Restore Factory Restore factory settings Set OPT ATT Mode Set the optical power ATT mode Without inter cut function no this menu Set OPT ATT Set the optical power attenuation Without inter cut function no this menu Set OPT Delta Set the di...

Страница 13: ...utions when working with the OTM 1550L Warning Read the installation instructions before connecting the system to the power source Warning The plug socket combination must be accessible at all times because it serves as the main disconnecting device 4 3 Mounting OTM 1550L 4 3 1 Mounting the OTM 1550L in the Rack Mounting the OTM 1550L in the standard 19 inch equipment rack 1 Place the equipment in...

Страница 14: ...e OTM 1550L optical connector has not been exposed to any contamination NOTE Any contamination of optical connector can significantly degrade optical link performance This degradation will most likely manifest itself as poor signal to noise SNR performance 4 Note to butt the nick of the connectors and align them accordingly 4 3 4 Connecting the Ethernet Cable You can connect the OTM 1550L to your ...

Страница 15: ... Turn on the power source It takes about 60 seconds for all systems to operate 5 Communication Setup 5 1 RS232 Communication Interface Description Adopt DB9 standard connector the pin definitions as follow 1 No Connect 2 TX 3 RX 4 No Connect 5 GND 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...

Страница 16: ...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 button you have set up the Windows serial port Hyper Terminal ...

Страница 17: ...er 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 see the page as follows Enter the password to enter the configuration interface ...

Страница 18: ...t f the SNMP Trap ult values go and equipment model Log out of the application program System ollowing commands help List internal commands of the system Configure the Ethernet operating parameters Configure the aim host IP address o Configure the SNMP group name Restore the factory defa Set the serial number Set the login password Set the lo ethcfg settrap communit Restor setsn setpswd entpl E ...

Страница 19: ...sion program name and the internal commands list of the system as follows help This command shows current application progr You can also use the help command to show help information of other commands such as help ethcfg ethcfg s help inform appears as follows ation ethcfg ...

Страница 20: ...gin password his command is used to set the logo and equipment model his command is used to log out a settrap This command shows or modifies the aim host IP address list of the SNMP Trap IP address of 0 0 0 0 th community This command configures the read only group name and read write group name Group name is the concept of SNMP agreement like the password Use the command community ro to configure...

Страница 21: ...mation Base MIB is the organized hierarchical information d of manageable information ation When the transmitter initial work the IP address and gateway are 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 Network management operation manual kes the management informa...

Страница 22: ...re harm than good Never spray a clean air product onto the surface of an optical connector Spraying air onto an optical connector can cause condensation on the connector surface leaving water spots and trapping dust Failing to wipe a connector on dry lens paper immediately after wiping on paper wet with isopropyl alcohol can also lead to condensation on the connector Using low grade cleaning paper...

Страница 23: ...n the equipment breaks down immediately contact local distributor or directly call our technical support hotline 86 0571 82576002 18967160936 3 The site maintenance of the fault equipment must be operated by professional 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 m...

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