User Manual
Contents
1. Detector Pump Pump Detector Control Unit FY Net Management Unit Figure 1 1 Block Diagram 2 Features Low noise figure and wide operating wavelength range over 1530nm to 1565nm Excellent gain and output power stability and reliability over environmental temperature of 0 50 C Polarization modulation and frequency independent Low power consumption Real time monitor and safety alarm of operating conditions Complies with SNMP Simple Network Management Protocol 3 Applications Optic fiber communications networks CATV networks Computer information networks Fiber optic sensor systems Instrumentation and equipment 4 Technical Specifications Optical Specifications reel ml ett feler j h Optical output power at eac dBm 16 8 17 17 2 total output port Wavelength nm 1530 1550 1564 Based on 0dBm input Gain flatness power 20 C environment temperature Poa pda 1 fos mer er a Pump leakage at output eam 95 ImutReumios f l 4 Output Rem Loss dB 4 I Fiber connector I I some Electrical Specifications Power consumption Jf w Frequency e so Environmental Requirements Oporaingtemperatre c o s Storage temperature c 2 Others Front pA LED display Front panel LCD display work parameter User Interface P pA status and alarm Network management Interface E RJ45 RS232 5 Products Ac2. gt Program gt Accessories gt Command Prompt Recycle Bin Internet Explorer Programs gt Fig 6 5 4 Opening MS DOS Window 6 5 2 2 Input ping xxx xxx xxx xxx the local IP address of the equipment in the MS DOS Window 23 6 5 2 3 If there is a prompt as follow Reply from xxx xxx xxx xxx bytes 32 time 10ms TTL 128 It shows that the network communications of the equipment work properly Microsoft Windows 2606 Version 5 66 2195 lt C gt Copyright 1985 1999 Microsoft Corp C gt ping 172 2 1 1 63 Pinging 172 26 161 63 with 32 bytes of data 172 28 101 63 bytes 32 time lt i ms TTL 128 172 280 101 63 32 time lt i ms TTL 128 172 2 18 1 63 32 time lt i ms TTL 128 Reply from 172 20 101 63 bytes 32 time lt i ms TTL 128 Ping statistics for 172 26 161 63 Packets Sent 4 Received 4 Lost z loss Approximate round trip times in milli seconds Minimum ms Maximum ms Average Gms Fig 6 5 5 Ping Command Successful 6 5 2 4 If there is a prompt as follow Request time out It shows that the network communications of the equipment work by error Microsoft Windows 2666 Version 5 66 2195 lt C gt Copyright 1985 1999 Microsoft Corp C gt ping 172 28 101 63 172 20 1801 63 with 32 bytes of data timed out timed out timed out t timed out Ping statistics for 172 26 161 63 Packets Sent 4 Received Lost 4 188 loss Approx
3. 6 1 3 4 Fig 6 3 4 shows alarm of pump bias current alarm a too high b high 6 1 3 5 Fig 6 3 5 shows alarm of pump cooler current a too high b high 11 c d Fig 6 3 1 Alarm of input optical power display c d Fig 6 3 2 Alarm of output optical power display a b c d Fig 6 3 3 Alarm of pump temperature display a b Fig 6 3 4 Alarm of pump bias current display 12 a b Fig 6 3 5 Alarm of pump cooler current display 6 1 4 Screen Saver Interface The screen saver is made up of two parts one of which is Welcome DKT see fig 6 4 1 a that move from left to right another is B that increase gradually from left to right see fig 6 4 1 b These two parts of figures circulate again and again a b Fig 6 4 1 Screen saver display 6 2 Key Press Operation In the front panel of the unit there are two keys UP and DOWN which is used to turn over the page for LCD menu display The menu turns forward for one page if pressing DOWN while the menu turns backward for one page if pressing UP Keep pressing DOWN or UP the menu will keep turning forward or backward with a speed of about two pages per second When the menu turns to the first page Pout parameter display it won t turn backward if pressing UP When the menu is in the last page submask parameter display it will turn to the first page pout parameter di
4. direct eye face to the input output port of fiber connector in case of any injury of eyes and skin Make sure the EDFA is switched off before taking away the fiber connector at the output port Do not turn on the EDFA without coupling with the optical fiber connector Cleaning connectors The procedures in this section provide the proper steps for cleaning fiber cables and adapters The initial cleaning using the alcohol as a solvent gently removes any grit and oil If a caked on layer of material is still present a second cleaning should be performed It is not uncommon for a cable or connector to require more than one cleaning 28 To clean a connector 1 Apply alcohol IPA to a clean lint free cotton swab or lens paper Cotton swabs can be used as long as no cotton fibers remain on the fiber end after cleaning N Clean the ferrules and other parts of the connector while avoiding the end of the fiber 3 Apply alcohol IPA to a new clean lint free cotton swab or lens paper 4 Clean the fiber end with the swab or lens paper Do not scrub during this initial cleaning because grit can be caught in the swab and become a gouging element 5 Immediately dry the fiber end with a clean dry lint free cotton swab or lens paper 6 Blow across the connector end face from a distance of 6 to 8 inches using filtered dry compressed air Aim the compressed air at a shallow angle to the fiber end face Nitrogen gas or compressed dust
5. of the equipment itself Gateway IP Address When communications with non local network equipment gateway conversion is needed e Subnet Mask Estimate whether the IP address of objective end is in the same network segment with local IP address If the result of Local IP objective 17 IP subnet mask is the same with subnet mask they are in the same net segment The two IP are not in the same network segment if they are not the same and gateway conversion is needed DHCP Service The service of getting local IP gateway IP and subnet mask automatically 6 5 1 Serial Port Setting 6 5 1 1 IP Address Setting Roles When there is DHCP server in the network recommend using DHCP service function in order to get local IP gateway IP and subnet mask automatically When not using DHCP server setting the local IP gateway IP and subnet mask by hand is needed The exclusive of local IP must be ensured or else the device with the same IP can t work properly Only Setting the subnet mask correctly can make sure the device distinguish the network segment correctly When the server and device are in the different network segment only the correct setting of gateway IP can make sure the device communications properly Notice The incorrect setting IP address may lead to the communications error of other connected network devices The incorrect gateway and subnet mask setting may also lead to the device communications imprope
6. remover can also be used 7 As soon as the connector is dry connect or cover it for later use If the performance after the initial cleaning seems poor try cleaning the connector again Often a second cleaning will restore proper performance The second cleaning should be more arduous with a scrubbing action To clean an adapter 1 Apply alcohol IPA to a clean foam swab Cotton swabs can be used as long as no cotton fibers remain after cleaning The foam swabs listed in this section s introduction are small enough to fit into adapters Although foam swabs can leave filmy deposits these deposits are very thin and the risk of other contamination buildup on the inside of adapters greatly outweighs the risk of contamination by foam swabs 2 Clean the adapter with the foam swab 3 Dry the inside of the adapter with a clean dry foam swab 4 Blow through the adapter using filtered dry compressed air Nitrogen gas or compressed dust remover can also be used 9 2 Troubleshooting This section discusses basic fault investigation and diagnostic troubleshooting procedures for EDFA 29 Alarm Status Pump Chip Cause Actions Input Output Temperature Pump chip temperature e e Check ambient temperature abnormal Pump chip temperature e Check ambient temperature abnormal Input power out of range Clean fiber connector Input connector failed Check input signal power Input power or Clean fiber
7. 0 50 Current mA EDFA 17 2208 A045 Notice When the alarm of pump 1 2 temperature is too high or too low bias current or refrigeration current is too high occurs the firmware closes the pump automatically forbids opening the pump again before shutting off the power supply and keep the alarm that arose the pump protecting All the alarm of optic output power will be renewed after close the pump 31 Appendix B Program Upgrade NMS Main Control Program Download Firstly open the download tools Download exe see Fig B 1 Download Warning During downloading Do not power off or reboot system I I I Program File Browse Backup Download Close Fig B 1 Then click Browse to choose the download file of NMS main control program code see Fig B 2 Warning During downloading do not power off or reboot system I I Program File EASNMP EDFASEDFA S BIN Browse Setup Backup Download Fig B 2 After that please make sure that the serial port connecting line has been connected to COM1 serial port of NMS main control PCB of the equipment the hardware has been connected correctly and the serial port setting is correct serial port can be set by Setup 32 Click Download then click yes in the confirm window see Fig B 3 it starts downloading see Fig B 4 A During downloading Do not power off o
8. EDFA 17 220SA04G SNMP NMS Erbium Doped Fiber Amplifier User Manual CE Notice Please carefully read the User Manual before operating the product The information contained in this manual is subject to change without notice The EDFA Erbium doped fiber amplifier described here can be used with other transmitting and receiving equipment in optical communications systems Please strictly follow the instructions in this manual otherwise any improper operations may unintentionally damage the product or even cause the personnel injury EDFA is a member of Class 3B laser products Before operating the product the individuals must be familiar with the safety symbols on the EDFA panel and their meanings strictly follow the instructions in chapter 8 Laser Safety Considerations and avoid direct laser radiation without proper safety protection Cautions Only trained and qualified personnel should be allowed to install maintain or trouble shoot the device Please replace the fuse with the same type model and trademark to avoid the fire hazards User manual in local official languages will be provided when the product is sold to other countries where official languages are other than English Warranty The EDFA is warranted against defects in material and workmanship for a period of one year from date of shipment During the warranty period DKT will at its option either repair or replace products that prove to be defective
9. Single S N 1235489366 MAC ADDR 000808e35d16 HW version 1 0 PW version 1 0 Firmware update time Auq 13 2005 10 00 33 DHCP Enable Local IP 172 20 210 63 Server IP 172 20 150 142 Gateway P 172 20 0 40 Subnetmask 255 255 0 0 Visit DKT web site Dansk Kabel Teknik Cc EDF ASetupV1 3 EDFA Single S N 1235489366 MAC ADDR 000808e35d16 HW version 1 0 FW version 1 0 Firmware update time Aug 13 2005 10 00 33 DHCP Enable Local IP 172 20 210 63 Server IP 172 20 150 142 Gateway P 172 20 0 40 Subnetmask 255 255 0 0 Visit DKT web site Dansk Kabel Teknik Command fail d Fig 6 5 3 IP Address Setting Input the right information click Save It will display success or failure at the corner of right bottom As shown in figure 6 5 3 c d 22 When IP address is successfully set the unit will reset automatically If failed please press Open to see whether the serial port has been connected properly or not If not please recheck it or restart the device 6 5 2 Testing network through RJ45 Port After successfully setting the equipment and RJ45 connector in rear panel getting connected with UTP you can test whether the network is connected The method is as following 6 5 2 1 Opening the MS DOS Window of the computer If in the Win2000 Operating Systems click the Start button on the left bottom
10. The warranty does not apply to defects resulting from improper or inadequate maintenance by users or improper operation exceeding the environmental requirements for the products or improper site preparation or maintenance For warranty service or repair this product must be returned to a service facility designated by DKT Buyer shall pay all shipping charges duties and taxes for products returned to DKT Contents UM iron M EPI 4 Zo m dereee 4 Se ADpliCatlOns wc ac dace aa EE E A a ea a Ei aa aadi 5 4 Technical Specmeations iann auka s k rae cd diro n iore peste rte ardei aaan reges 5 5 Products Acceptance Check ea a a a 6 5 Check he ACCeSSOFIES a ipte nte antea ette a EG 6 5 2 Check appearance and performance eee sees een eerte neennnenes 6 DS Sanity CHECK s oc te rte fei a lee td eet ilg Ret 6 6 Monitoring Functionality 1 niet ees Leve pe vo uae ce a Po eaea 7 GT LCD Interface a eerte ee tie ease 7 6 2 Key Press Operation t e eth t he Ei E eh Rt ebbe o Eb rere eten 13 6 3 Parameter Checking um gud peu IR ERE rne beo Es 14 6 4 Alarm Mode granske 16 6 5 Monitoring the Equipment through RJ45 Port 17 7 Physical Description and Installation 25 8 Laser Safety Considerations sess 27 8 1 Safety Symbols d d ete ere eta fee ertet ert rt eet ee e ete e ev d desl 27 82 L ser Safety Guidance 2 d ee ber e e
11. ceptance Check 5 1 Check the Accessories Please check the accessories against the accessories list enclosed in the package 5 2 Check appearance and performance Items Inspection Contents Possible Defect eScratches on the surface Crust sioe lie eCrust partial cupped SCS aoe eFacial coating partial peel off eSwitch eSwitch not responsive indicators ePower outlet eOutlet damaged Panel eFiber adapter eProtective cover break off or damaged elndicator light e Indicators not properly positioned eBrand eBrand damaged Surface Coating not even or peel off elncomplete or damaged accessories Accessories Referto Accessory List elnsufficient test data sheet eProduct not conforming to product serial number 5 3 Sanity Check 5 3 1 Checking Power Supply Before connecting power cable make sure that The voltage of the power supply is within specified range The key is turned to OFF position The input power is within the range specified in chapter 4 Technical Specifications Once Switching on the power supply the buzzer beeps and the LCD display should be working the status indicator should be in green and the indicator of pump laser should remain dark otherwise the EDFA is not working properly Switch the lock from OFF to ON the indicator of pump laser should be in green and the LCD displays data otherwise the EDFA is not working properly and the buzzer beeps 5 3 2 Optical Output Power Get the o
12. connector e e wavelength out of range Check input signal power input connector defective Ask for technical support Input wavelength out of Check signal wavelength and signal e range or optical module power defective A Warning Only trained and qualified personnel should be allowed to perform troubleshooting task to avoid any unintended further damages Please read carefully the following tables to perform troubleshooting tasks Multiple alarms could happen at the same time and some analysis maybe required to diagnose the root causes of the faults For further technical support please contact a service facility designated by DKT 10 Accessories List NO Contents Quantity Remark 1 Power Cord 1 2 Pump Laser Switch Key 1 3 Optical Fiber Jumper SC APC 4 4 RS 232 Port Cable 1 5 Fuse Tube 2A 2 6 User Manual 1 7 Testing Report 1 30 Appendix A The Manufactory Default Alarm Setting Table Too Alarm Too High High Low Low Renew Remark Alarm Alarm Alarm Alarm Sluggish Optical Input Power dBm 10 0 6 0 10 0 0 3 Optical Output Power 25 0 11 0 0 5 dBm Pump 1 Temperature 30 28 22 20 1 C Pump 1 Bias Current 1000 wee 50 mA Pump 1 Cooler Current 1200 me 50 mA Pump 2 Temperature 30 28 22 20 1 C Pump 2 Bias Current 1000 wee 50 mA Pump 2 Cooler 2500mA 120
13. del Serial Number S N Version Number of FW Firmware Version Number of HW Hardware DHCP Service DHCP Server 14 Network State Communications state of NIC and network Local IP Address IPv4 Standard Server IP Address IPv4 Standard Gateway IP Address IPv4 Standard Subnet Mask IPv4 Standard 6 3 2 Parameter Display and Instructions For the detail please see the 6 1 2 Parameter Checking Interface 6 3 3 Network State Indication 6 3 3 1 The meanings of network state indication is as following m No NIC or NIC power supply fault of the equipment see fig 6 2 11 a m NIC is linking with the network see fig 6 2 11 b m DHCP service applying the IP address fail see fig 6 2 11 c m The conflict of setting IP address and the IP address of other network equipments see fig 6 2 11 d m Network communications abnormity gateway not found UTP not connected see fig 6 2 11 e m NIC work abnormity see fig 6 2 11 f m X Network Communications work well see fig 6 2 11 g 6 3 8 2 The methods of trouble shooting a m Checking whether there is an installed NIC or not m Checking the situation of NIC communications line power supply line b m Applying the DHCP service 0 2 minutes m Checking whether there is a conflict of IP 0 6 sec m Inquiring the state of server 0 6 sec c m Install DHCP server or cancel DHCP service function setting static IP address m Keep waiting DHCP application or restart th
14. e equipment to apply again 15 d m Use other IP address that hasn t been used before m Use DHCP service function to get IP address automatically Ce m Insertthe network line properly change network line m Check whether the system software of network administration in the server end work properly or not m Try to restart the equipment f m Tryto restart the equipment Notice If you still can t get rid of the trouble by the above methods please contact with the manufacturer directly 6 4 Alarm Mode 6 4 1 EDFA Parameter Alarm and Alarm type The parameter of alarm Optical Input Power Optical Output Power Pump Temperature Pump Bias Current Pump Refrigeration Current Alarm type Too Low Low High Too High No Input No Output 6 4 2 Conditions of alarm occurred The equipment starts alarming when the current collected parameter match the pre setting alarm scope e g The optical input power low alarm is set to 6 0dBm The alarm occurred when the collected optical input power is smaller than 6 0dBm 6 4 3 The Condition of Alarm Restoration When the collected parameter is divorced from the alarm scope and the divorce exceeds the pre setting alarm sluggish value the alarm restores except the pump protecting alarm e g The too low alarm of setting optical input power is 10dBm and the alarm sluggish value is 0 5dB When the optical input power is no larger than 10dBm the system starts alarming automatica
15. e rack mounting screws using a screwdriver Optical Connection A Warning visible laser radiation may be emitted from the end of the unterminated fiber cable or connector Do not stare into the beam or view directly with optical instruments Viewing the laser output with certain optical instruments within a short distance may cause an eye hazard Step 1 Connect the input optical fiber cable to the input connector Avoid making sharp bends in the fiber cable Step 2 Connect the output optical fiber cable to the output connector Avoid making sharp bends in the fiber cable AC Power Connection Step 1 Connect the device with a AC power source Step 2 Apply AC power Step 3 Switch on the device 26 8 Laser Safety Considerations Erbium Doped Fiber Amplifier EDFA is a member of Class 3B laser products 8 1 Safety Symbols The direct laser radiation to skin and eyes may cause personnel injury even eyes blindness Warning Symbol Caution Symbol Figure 8 1 Laser Warning Symbol and Caution Symbol Warning symbol indicates harzardous laser radiation Caution symbol means this device is a member of Class 3B laser products and users should avoid direct laser beam radiation 8 2 Laser Safety Guidance Do not remove the protective cover outside the fiber adapter or jumper connector at the EDFA output port until it has been completely connected to the system or test equipments This is to prevent personnel or eyes
16. erver IP address of current setting Fig 6 2 15 shows the gateway IP address of current setting When using DHCP service the equipment will get the gateway IP address from the DHCP server Fig 6 2 16 shows the subnet mask of the current setting When using DHCP service the equipment will get the subnet mask from the DHCP server a Fig 6 2 1 Output optical power a Fig 6 2 2 Input optical power FE a Fig 6 2 3 Pump temperature m a Fig 6 2 4 Pump bias current m a b Fig 6 2 5 Pump cooler current display Fig 6 2 6 Unit temperature display Fig 6 2 7 Unit power consumption display Fig 6 2 8 Product model display Fig 6 2 9 Product serial number display Fig 6 2 10 Version number of firmware and hardware a b c d e g Fig 6 2 11 Network state display Fig 6 2 12 DHCP service state display 10 a Fig 6 2 13 Local IP address a Fig 6 2 14 Server IP ADDR display a Fig 6 2 15 Gateway IP ADDR mi a Fig 6 2 16 Subnet mask display 6 1 3 Alarm Display Interface Note Buzzer in the unit will warn when below information appears on LCD press any key to cancel 6 1 3 1 Fig 6 3 1 shows alarm of input optical power alarm a no input b low c high 6 1 3 2 Fig 6 3 2 shows alarm of output optical power alarm a low b high 6 1 3 3 Fig 6 3 3 shows alarm of pump temperature alarm a too low b too high c low d high
17. from injury in case the power supply is switched on by accident 8 3 Safe Operation Measurement 1 The protective cover should be on the fiber adapter and jumper connector when not in use 2 When the power supply is on the power indicator light should be green 3 When pump laser is on the pump indicator light should be green 4 The personnel engaged in the installation or service of the optical fiber cable or system should 27 observe all rules procedures and practices established for the safe operation of optical fiber communication systems immediately notify the supervisor of conditions or practices that have the potential to cause personnel injury or property unintended damage immediately report to the supervisor any known or suspected abnormal exposure to laser radiation The direct laser contact to skin and eyes may cause human body injury even blindness 8 4 Training 1 The operator should be trained to have a clear understanding of the background information on optical fiber communication systems 2 The operator should understand that the EDFA is a member of Class 3B laser products The safety information and safety practices in Chaper 8 must be strictly followed by the operator Pay special attention to the laser classification system and hazard levels avoid direct laser contact to either skin or eyes 9 Maintenance and Trouble Shooting 9 1 Maintenance A Warning At any rate please avoid
18. imate round trip times in milli seconds Minimum ms Maximum ms Average Gms ERA Fig 6 5 6 Ping Command Unsuccessful If ping command is unsuccessful please check whether the cable connection of the equipment and the setting of the equipment IP gateway IP subnet mask is correct 24 6 5 3 SNMP interface The equipment supports SNMP V1 and conforms to SCTE HMS With MIB file it can easily be deployed into management of any Network Management System that supports SNMP 7 Physical Description and Installation The mechanical design for the EDFA is based on 19 inch ETS equipment rack as Figure 7 1 shows All dimensions are in mm Figure 7 1 Physical View Status Indicator LCD UP DOWN Pump Laser Indicator N N Pump Laser Switch DKT 5 DER Ze t X Welcome DKT Ca v j Erbium Doped Fiber Amplifier STATUS L 4 M PUMP UP DOWN Figure 7 2 Front Panel COM1 power connector SG Figure 7 3 Rear Panel EDFA 17 220SA04G 25 Installation A Warning Only trained and qualified personnel should be allowed to install replace or service this device The EDFA can be mounted in a standard 19 inch rack To install please follow these steps Step 1 Turn the EDFA chassis so that its front panel is facing you Step 2 Determine the desired point of mounting and fix the brackets by four M6 bolts accordingly Step 3 Attach the device to the rack with th
19. lly The alarm will release when then optical input power is larger than 16 9 5dBm after the alarm 6 4 4 Alarm Display 6 4 4 1 The alarm display interfaced have been introduced in Chapter 6 1 3 6 4 4 2 Alarm Display Operating When the alarm occurs LCD displays current alarm content automatically e g No Input Meanwhile if there is more than one alarms occur the alarm content displays with a alarm 5s speed roll screen automatically When UP or DOWN is pressed the buzzer will stop alarming and the LCD will shift to parameter state If no key action is done within 10 seconds and the alarming state is not restored the LCD will automatically shift to alarming state 6 4 5 Pump Protecting Function In order to avoiding the damage of pump when the following alarms occur the system closes the pump automatically forbids opening the pump again before shutting off the power supply and keep the alarm which arose the pump protecting displaying with alarm mode the alarm won t disappear even when the parameter renews to normal Pump temperature is too high Pump temperature is too low Pump bias current is too high Pump refrigeration current is too high 6 5 Monitoring the Equipment through RJ45 Port Key Words e IP Address The network identification number The exclusive must be ensured or else will lead to network disorder Server IP Address The IP address of the server local IP Address The IP address
20. port is correct first Click Setup button see Fig 6 5 2 check whether the setting of the serial port is correct or not 19 EDF ASetapya 3 S N MAC ADDR HW version PW version Firmware update time Serial port setup Subnet mask Visit DKT web site Dansk Kabel Teknik Could not connectto device Fig 6 5 2 Serial port setting 2 Setup IP Address When not using DHCP service the setting of local IP address server IP address gateway IP address subnet mask is needed The input format is showed in fig 6 5 3 a Select Using DHCP Service option when using DHCP service only need to input the virtual server IP address see fig 6 5 3 b 20 EDFASetup 1_3 EDFA Single S N 1235489366 MAC ADDR 000808e35d16 HW version 1 0 FW version 1 0 Firmware update time Aug 13 2005 10 00 33 O DHCP Enable Local IP 172 20 101 29 ServerIP 172 20 150 142 Gateway IP 172 20 0 40 Subnet mask 255 255 0 0 Visit DKT web site Dansk Kabel Teknik TT Device connected EDFASetupV1 3 EDFA Single S N 1235489366 MAC ADDR 000808e35d16 HW version 1 0 PW version 1 0 Firmware update time Aug 13 2005 10 00 33 Local IP Server IP 172 20 150 142 GatewaylP 00 30 Subnet mask 255 255 0 0 Visit DKT web site Dansk Kabel Teknik er Device connected b 21 EDFASetupY1 3 EDFA
21. r reboot system continue download Download Warning During downloading do not power off or reboot system Programm File Fig B 4 The system shows that download success when finished see Fig B 5 Infomation 1 Download success Fig B 5 If it appears the window like Fig B 6 when starting downloading it shows that the selected 33 file doesn t match the connected serial port and the selected file is not the program file of NMS main control PCB Download NMS Communication Program Download The download of NMS communication program is nearly the same as NMS main control program Please also note that the connecting line must be connected to COM2 the serial port of NMS communication PCB of the equipment before upgrading the NMS communication program 34
22. rent value of current equipment with unit mA m Shows pump 1 cooler current value of double pump EDFA see fig a 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 2 6 2 7 2 8 2 9 2 10 2 11 2 12 2 13 2 14 2 15 2 16 m Shows pump 2 cooler current value of double pump EDFA see fig b Fig 6 2 6 shows the temperature of current equipment with unit C Fig 6 2 7 shows the unit power consumption of current equipment with unit W Fig 6 2 8 shows the model of current equipment Fig 6 2 9 shows the serial number of current equipment with 10 figure Fig 6 2 10 shows the version number of both firmware and hardware of current equipment Fig 6 2 11 shows the current state of NIC network connection m No NIC or power supply fault of the NIC of the equipment see fig a m NIC is linking with the network see fig b m DHCP service applying the IP address fail see fig c m The Conflict of setting IP address and the IP address of other network equipments see fig d m Network communications abnormity gateway not found UTP not connected see fig e m NIC work abnormity see fig f m Network Communications work well see fig g Fig 6 2 12 shows whether the service function of current DHCP has started up Fig 6 2 13 shows the local IP address of current setting When using DHCP service the equipment will get the local IP address from the DHCP server Fig 6 2 14 shows the s
23. rly Thus DHCP service function is recommended If there is no DHCP server in the network contacting with internal network manager before setting is needed to make sure whether there is a conflict comes from the IP address Setup if there is no mistake 6 5 1 2 EDFA Serial Port Setting Steps 1 Open EDFA Serial Port Setting Software named Setup There will be an automatic check on whether there is a device connected to current serial interface after running the software Fig 6 5 1 a is displayed if there is no connected device The device parameter is get automatically and Fig 6 5 1 b is displayed if there is connected device Click Open button the current displayed data can be refreshed 18 EDFASetupY1 3 EDFA Single S N MAC ADDR Hw version PW version Firmware update time DHCP Enable Local IP Server IP Gateway IP Subnet mask Visit DKT web site Dansk Kabel Teknik Could not connectto device EDFASetupV1 3 EDFA Single S N 1235489366 MAC ADDR 000808e35d16 HW version 1 0 FW version 1 0 Firmware update time Aug 13 2005 10 00 33 Local IP 172 20 101 29 Server IP 172 20 150 142 GatewsylP 172 20 0 40 Subnet mask 255 255 0 0 Visit DKT web site Dansk Kabel Teknik b Fig 6 5 1 EDFA serial port setup interface Notice When Fig a appeared check whether the setting of the serial
24. splay if pressing DOWN Pressing UP and DOWN for 5S at the same time the systems will renew the parameter to factory setting and LCD will display Restore set Press UP when switching on the equipment and the NMS main control program will turn to upgrading mode At this mode the NMS main control program can be upgrade Pressing DOWN when switching on the equipment and the NMS communication program will turn to upgrading mode At this mode the NMS communication program can 13 be upgrade The buzzer will alarm when there is an alarm occurred At this time pressing UP or DOWN the buzzer will be closed 6 2 3 Pump Switch The indicator light will go out when the key turn to the turn off position The system will switch to screen saver interface automatically if there is no other alarm of the current system When the key turn to the turn on position the pump will open and the indicator light of the pump is lightened in the following conditions E There is no firmware protection for the pump Er There is no No Input alarm of the optical input power 6 3 Parameter Checking 6 3 1 Checkable Parameters Parameter Display for short Unit Optical Output Power Pout dBm Optical Input Power Pin dBm Pump Temperature TEMP mA Pump Bias Current Bias mA pump cooler current TEC mA Unit Temperature Unit TEMP C Unit Power Consumption Unit PWR W Equipment Model Mo
25. t UR Hte O re ebd eio pe dekkes IE 27 8 3 Safe Operation Meads feMment a sirien iias eene trennen TEENE EE Ea eS 27 8 4 Trang asine e tote tete qe m ot qa deut 28 9 Maintenance and Trouble Shooting ssseem eme 28 9 1 MAMEN Greaca int ain ir E AE SANE AE E AEE dd eese eee cete dye eee eyed dye deed ee 28 9 2 Troubleshooting 55e t t P e dtes 29 10 Accessories LISL irent itta tnn aa tabe ue Du UE an nee seco aA 30 Appendix A The Manufactory Default Alarm Setting Table eee 31 Appendix B Program Upgrade sssssssseeeeeeeeeeeeeee nennen nennen enne 32 1 Introduction An Erbium doped fiber amplifier EDFA is shown in Figure 1 1 It consists of erbium doped optical fiber optical couplers isolators GFF and pump lasers etc An incoming optical signal within the wavelength range of 1530nm to 1565nm is amplified with pump lasers while traveling through a certain length of erbium doped fiber The amplified signal is finally coupled into four output fibers by the output connector for further transmission The tap couplers and detectors at input and output allow real time monitoring of EDFA s input and output power The EDFA is polarization modulation and frequency independent All the components used in the product are built to meet Telcordia GR 1221 GR 1209 and GR 468 standards which makes the EDFA highly reliable Input Coupler Isolator WDM EDF WDM Isolator Coupler Splitter Output
26. utput power read of each port from the LCD display or optical power meter through fiber adapters Comparing it with the data on the test report the difference should be less than 0 5dB 5 3 3 Optical Output Stability Get the output power read out from the LCD display or power meter through fiber adapter and under the condition of stable input power the change of output power during a short period should be less than 0 1dB 6 Monitoring Functionality 6 1 LCD Interface 6 1 1 Boot Display Fig 6 1 1 is displayed for around 1s next fig 6 1 2 around 2s Fig 6 1 1 Company name display Fig 6 1 2 System initializing display 6 1 2 Parameter Search 6 1 2 1 Fig 6 2 1 shows output optical power value of current equipment with unit dBm m Shows output power value see fig a m Shows no output power see fig b 6 1 2 2 Fig 6 2 2 shows input optical power value of current equipment with unit dBm m Shows input power value see fig a m Shows no input power see fig b 6 1 2 3 Fig 6 2 3 shows pump temperature of current equipment with unit C m Shows pump 1 temperature of double pump EDFA see fig a m Shows pump 2 temperature of double pump EDFA see fig b 6 1 2 4 Fig 6 2 4 shows pump bias current value of current equipment with unit mA m Shows pump 1 bias current value of double pump EDFA see fig a m Shows pump 2 bias current value of double pump EDFA see fig b 6 1 2 5 Fig 6 2 5 shows pump cooler cur
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