U-Shelf Optical Amplifier User’s Manual (Erbium Doped Fiber Amplifier)
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series User’s Manual November 2007 Contents INTRODUCTION................................................................................ 5 1 1.1 About this Manual ..................................................................................................................5 1.2 General Descriptions ..............................................................................................................5 1.
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series User’s Manual November 2007 6.2 Power Supply ........................................................................................................................35 6.3 Primary Test..........................................................................................................................35 6.3.1 Required Measuring Instruments ..........................................................................35 6.3.2 Performance Test..............
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series User’s Manual November 2007 Figure Contents Figure 1. Electric Power Supply Connection ..............................................................................................7 Figure 2. Front Panel ...............................................................................................................................9 Figure 3. Rear Panel ...........................................................................................................
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series 1 User’s Manual November 2007 INTRODUCTION 1.1 About this Manual This manual is the Shelf Type EDFA of DKTCOMEGA A/S. This manual consists of six sections. They are; Introduction of the Shelf Type EDFA, System Requirements, Installation, Operation, Testing, and Trouble Shooting. A brief chapter outline of this manual is below. Chapter 1, The introduction of the Shelf Type EDFA and safety cautions for proper installation.
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series 1.5 User’s Manual November 2007 Grounding Considerations The Shelf Type EDFA includes Laser Diodes and Photo Diodes those are extremely sensitive to electrical static. You must always handle the EDFA with extra care. When you unpack or install the EDFA you must obey all the ESD (electro static discharge) precautions as well as work with a grounded wrist strap. Therefore, proper ESD precautions are always recommended.
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series 2 User’s Manual November 2007 PREPARATION 2.1 Summary In this chapter, the first steps of installation after unpacking are covered. inventory, basic electrical and optical connections are presented. 2.2 The box Check the Contents After unpacking you need to check the contents. The inventory should be as follows: Table 1.
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series User’s Manual November 2007 DKTCOMEGA is not liable for repairs or replacement of the unit. If the green LED on the power switch turns on, the system electric power supply is normal (OK). 2.4 How to connect the optical cable The Shelf Type EDFA supports various optical connectors. According to the users requirements connect the optical cable to the input and the output optical adapters on the front panel of the Shelf Type EDFA.
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series 3 User’s Manual November 2007 DESCRIPTION 3.1 Summary In this chapter, general information about the front and rear panels of the Shelf type EDFA are explained. The individual switches and connections will be introduced. 3.2 Panel Description 3.2.1 Front Panel Figure 2 shows the front panel of the Shelf Type EDFA.
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series User’s Manual November 2007 LED state on the front panel Table 4. LED State Condition Name Color Power Supply POWER Green Power Supply indicator ACT Green Indicates EDFA install state and operation state LOS Red Indicates optical signal input state of the EDFA LOP Red Indicates optical signal output state of the EDFA BIAS Yellow Indicates Pump Laser Diode BIAS Alarm TEMP Yellow Indicates Pump Laser Diode Temperature Alarm EDFA 3.2.
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series User’s Manual November 2007 If the BIAS alarm is activated the EDFA changes automatically to the Laser Shutdown state, the EDFA output power is turned off, and the LOP LED turns on. TEMP LED The internal temperature of the Pump Laser Diode must be kept constant. If the internal temperature of the Pump Laser Diode goes outside of the operational range, the TEMP LED is activated.
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series 4 User’s Manual November 2007 OPERATION 4.1 Summary In this chapter, the operation of the EDFA using the LCD menu will be explained. The diagram below shows the operational menu tree selectable.
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series 4.2 User’s Manual November 2007 LCD Operation The functions of the Shelf Type EDFA are supported by selecting the LCD Menu switch on the front panel. If an electric power is applied, the initial display of the LCD display is as follows. Optical Amplifier Company Name WARNING: In all LCD menus if you do not select a menu switch for about 15 seconds, the menu automatically returns to the previous menu state. 4.2.
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series User’s Manual November 2007 From the above screen if you push the Down switch, the start MAIN MENU screen is returned. > 4.2.2 Provision Control Provision menu User is able to control the operational state of the EDFA in the Provision menu. It is the menu for selecting active (ACT) and deactive (DEACT) operational states of the EDFA. Provision menu LCD display is changed to the next screen and then the cursor is on the “Provision” menu.
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series User’s Manual November 2007 Provision State Descriptions Within the Provision menu the start state is the ACT (Active) state when the power is turned on. If you select the DEACT state at the Provision Menu, the EDFA is working an normal operation except the alarm information. The table shows the operational state of the EDFA at the Provision menu. Table 5.
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series User’s Manual November 2007 If the Laser Key switch is OFF state, Laser On/Off is not changed, it remains the same state. Key switch Check Please.. Push Enter or Menu switch. If you want to turn off the output of the EDFA, push the Enter switch to move the cursor to the “OFF” position. Laser Setting Off Off In this state push the ENTER switch.
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series User’s Manual November 2007 If you want to turn off the buzzer, push the Enter switch to move the cursor to the “OFF” position. Buzzer Setting Off Off In this state push the ENTER switch. Set & Store Buzzer : Off When the Buzzer OFF is selected and the EDFA alarm is occurred, the Buzzer sound is not activated. 4.2.4 Status In the Status menu you are able to monitor the operational state of the EDFA.
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series User’s Manual November 2007 The LD Thermistor is the pump laser diode temperature. The unit is centigrade [℃]. > LD Bias Current LD Thermistor LD Thermistor LD1 : XX ℃ LD Thermistor LDx : XX ℃ The Temperature is the EDFA module temperature. The unit is centigrade [℃]. > Temperature Alarm Status Temperature XX ℃ Using the Alarm menu you are able to check the EDFA Alarms. > Temperature Alarm Status To move another alarm state, push Up/Down switch.
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series User’s Manual November 2007 Temperature OK: Normal, FAIL: Abnormal EDFA Model Name is the EDFA model name of built in the Shelf. > EDFA Model Name Input Power 4.2.5 Test From the Test menu you are able to test the LED, Buzzer. > Status Test If you push the Enter switch, the cursor moves to the “LED Test” menu. Test menu the operating state of all the LEDs can be checked.
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series User’s Manual November 2007 YYYY MM DD HH MM SS 2004 06 09 15 05 30 YYYY MM DD HH MM SS 2005 06 09 15 05 30 If you push the Enter switch, the time value is stored.
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series 5 User’s Manual November 2007 INTERFACE 5.1 Command Line Interface (CLI) User can monitor or control EDFA through Ethernet port or COM port. ADMIN and USER accounts are established separately for different access priorities. ADMIN account holder can set passwords for both ADMIN and USER accounts. In addition, the task of administrative work, such as network connection, monitor and control of EDFA are to be performed under ADMIN account.
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series User’s Manual November 2007 ping O O logout O O ip Read/Write Read Only subnetmask Read/Write Read Only gateway Read/Write Read Only initsys O X reset O O mpu Read/Write Read Only otu Read/Write Read Only ofau Read/Write Read Only snmp Read/Write Read Only log Read/Write Read Only timesync O X 5.1.1.1 VER Software version information.
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series User’s Manual November 2007 Check MPU information and status of physical devices connected the MPU. In addition, basic set up of MPU is possible. See below for examples. ex) Usage : MPU [ARG1] [ARG2] [ARG3] ARG1 : GET, SET ARG2 : GET - SYSINFO STATUS SET - TIME DESCR ARG3 : TIME - Set New Time. [YYYYMMDDhhmmss] DESCR - Enter User define string.
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series User’s Manual November 2007 OFAU SET REF [Output Power Min ~ Output Power Max] : Define Reference Output Power (Rack type EDFAs only) OFAU GET SYSINFO – View OFAU module basic Information ex) [ADMIN]# OFAU GET SYSINFO -------------------------------------------------OFAU Slot Number [0] Model Name : 21-220-SA-04 Description : DKTCOMEGA Serial Number : 200604130001 Firmware Version : 1.00 Hardware Version : 1.
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series User’s Manual November 2007 ex) Usage : SNMP [ARG0] [ARG1] [ARG2] [ARG3] ARG0 : TRAP , ROCOMM, RWCOMM, TRAPEN, TRAPCOMM ARG1 : GET , SET ARG2 : GET - TRAP : Trap Receiver Index. (0 ~ 4) - ROCOMM : Read Only Community. Max StrLen 10 - RWCOMM : Read Write Community. Max StrLen 10 - TRAPEN : Trap Receiver Index. (0 ~ 4) - TRAPCOMM : Trap Receiver Index. (0 ~ 4) SET - TRAP : Trap Receiver Index. (0 ~ 4) - ROCOMM : Read Only Community.
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series User’s Manual November 2007 [ADMIN]# SNMP SET TRAPCOMM 1 public SNMP Trap Receiver[1] Trap Community : public setting success. This setting will be applied after reboot. 5.1.2 Network Configuration User needs to set up network configuration for the product. Factory default IP address is 192.168.0.100. Network configuration is to be modified by either SNMP or Telnet. The modified configuration is enacted by reboot.
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series 5.2 User’s Manual November 2007 SNMP MIB Table 5.2.1 networkGrp DKTCOMEGA System MIB : 1.3.6.1.4.1.25454.1 Name OID Type Access Factory Default networkIpAddr 2.1 networkSubnetAddr 2.2 IpAddress R/W 192.168.0.100 IpAddress R/W 255.255.255.0 networkGWYAddr 2.3 IpAddress - networkIpAddr : Network IP address R/W 192.168.0.1 - networkSubnetAddr : Subnet Mask Address - networkGWYAddr : Gateway Address 5.2.2 snmpGrp DKTCOMEGA System MIB : 1.3.
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series User’s Manual November 2007 - snmpTrapMgmtTable : Table for SNMP Trap management - snmpTrapMgmtEntry : List for SNMP Trap management - snmpTrapIndex : Trap Row Data index - snmpTrapIp : Set up IP address for Trap Receiver. 0.0.0.0 will remove IP address and disable Trap Receiver feature. - snmpTrapComm : Specify SNMP trap community information. - snmpTrapEnable : Enable or disable SNMP Trap. 5.2.3 logGrp DKTCOMEGA System MIB : 1.3.6.4.1.25454.
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series User’s Manual November 2007 mpuVccHighAlarm 3.3 mpuCardStatusEntry 3.4.1 Integer32 SEQUENCE OF MpuCardStatusEntry MpuCardStatusEntry mpuCardStatusTable 3.4 mpuCardIndex 3.4.1.1 Integer32 RO mpuCardIdentity 3.4.1.2 DisplayString RO mpuCardProvision 3.4.1.3 Integer32 R/W mpuCardActiveState 3.4.1.4 Integer32 RO mpuCardFailAlarm 3.4.1.5 Integer32 RO mpuCardOperStatus 3.4.1.6 Integer32 RO Integer32 R/W mpuCardAdminStatus 3.4.1.
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series User’s Manual November 2007 Name OID ofauMgmtTable 1.1 ofauConfTable 2.1 ofauEdfaStatusTable 3.1 ofauLaserStateTable 3.2 ofauAlarmTable 3.3 ofauLaserAlarmTable 3.4 Type SEQUENCE OF OfauMgmtEntry SEQUENCE OF OfauConfEntry SEQUENCE OF OfauEdfaStatusEntry SEQUENCE OF OfauLaserStateEntry SEQUENCE OF OfauAlarmEntry SEQUENCE OF OfauLaserAlarmEntry Access Note 5.2.5.
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series User’s Manual November 2007 - ofauMgmtAlarmLossInPwr: Threshold input power level for Input Power Alarm activation, in unit of 0.1 dBm. - ofauMgmtRefOutPwr : Threshold output power level for Output Power Alarm activation, in unit of 0.1 dBm. 5.2.5.2 ofauConfTable - ofauConfTable : Table for minimum and maximum values for parameters of OFAU. Name OID ofauConfTable 2.1 ofauConfEntry 2.1.
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series User’s Manual November 2007 ofauEdfaStatusOutPwr 3.1.1.7 Integer32 RO ofauEdfaStatusReflOutPwr 3.1.1.8 Integer32 RO - ofauEdfaStatusEntry : List of OFAU status information. - ofauEdfaStatusUnitOpt : OFAU Reflected Output Power enable/disable. ofauEdfaStatusUnitOpt Value Reflected Output Power 0 Disable 1 Enable - ofauEdfaStatusAlarmStatus : OFAU alarm information.
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series User’s Manual November 2007 ofauLaserStateLDBiasCurMax 3.2.1.4 Integer32 RO - ofauLaserStateEntry : List of OFAU Laser status information. - ofauLaserStateLDIndex : OFAU Laser index - ofauLaserStateLDBias : OFAU LD Bias, in unit of mA - ofauLaserStateLDTemp : OFAU LD Temperature, in unit of °C. - ofauLaserStateLDBiasCurMax : OFAU LD Bias Current Maximum, in unit of mA 5.2.5.5 ofauAlarmTable - ofauAlarmTable : Table for OFAU alarm.
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series User’s Manual November 2007 In SNMP, SNMP Manager (console) first request data and then SNMP Agent (Shelf-OFA) response with requested data. When an alarm occurs, SNMP Trap containing the alarm information, created by SNMP Agent, is sent to SNMP Manager without request from the recipient. SNMP Manager should be prepared with SNMP Trap Receiver for this feature. OID : 1.3.6.1.4.1.25454.51.1 Name OID unitCardAct 4.1 failCardAlarm 4.2 mpuVccLow 4.
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series 6 User’s Manual November 2007 PERFORMANCE CHECK 6.1 Precautions for Testing In this chapter after completing installation of the Shelf Type EDFA the proper operation, power supply procedures, monitor connection, start test method, and other instructions are explained. Before applying power to the Shelf Type EDFA check the Optical cable connections on the rear panel of the EDFA once more before turning the Power Switch on. 6.
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series User’s Manual November 2007 3) You must not wipe the surface of the optical connector during the LASER ON state of the EDFA. Optical Source a Optical Attenuator DUT b Optical Power Meter Figure 4. Shelf Type EDFA Measuring Instrument Setup Test procedure of the Shelf Type EDFA 1) Connect the measuring instrument in Figure 4. 2) Check the optical signal power from the optical source ⓐ by using the optical power meter.
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series User’s Manual November 2007 power of the Shelf Type EDFA is normal, the LED on the front panel and the Buzzer sound automatically turn off. In this case the state information also is automatically stored.
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series 7 User’s Manual November 2007 MAINTENANCE 7.1 Maintenance Cautions If the Shelf type EDFA is out of order, a specialized expert must check the EDFA and the problem. The expert should try to resolve the problem using the technical information provided. The expert should follow the steps below which may fix the problem or recover the operational state.
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series User’s Manual November 2007 If you identify the problems as shown in Table 11 or have an unidentified problem, you must stop operating the EDFA immediately. Contact the DKTCOMEGA to take care of the problem or trouble. 7.3 Repair Procedure It is prohibited that an operator tries to repair the EDFA on his/her own. Any broken EDFA should be kept in a proper environment which satisfies the storage conditions. For a broken EDFA you must contact DKTCOMEGA.
Optical Fiber Amplifier Rev.1.2 1U-Shelf Series User’s Manual November 2007 For additional information, contact your local DKTCOMEGA sales manager or one of the following: INTERNET : http://www.dktcomega.dk E-Mail : dkt@dkt.dk Telephone Number : +45-4646-2626 Fax Number : +45-4646-2625 Address : Fanoevej 6, 4060 Kirke Saaby, Denmark DKTCOMEGA A/S. reserves the right to make changes to the product(s) or information contained herein without notice.
