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FIBER OPTIC TECHNOLOGY
CALIBRATION LABORATORY
EDFA Optical Amplifier
CLA - CZECHLIGHT AMPLIFIER
DEVICES
USER MANUAL
(PLEASE READ IT BEFORE USE)
Manufactured under the licence of
Revision 2.4
ACT_01-07_EN-M
14/11/2011
is registered trademark of OPTOKON, a.s. Other names and trademarks mentioned herein may be the trademarks of their respective owners.
OPTOKON, a.s. reserves the right to make changes, without notice, to the products described in this document, in the interest of improving design, operational function and/or reliability.
OPTOKON a.s., Cerveny Kriz 250, 586 02 Jihlava, Czech Republic
tel. +420 564 040 111, fax +420 564 040 134, WWW.OPTOKON.COM, INFO@OPTOKON.CZ
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Table of Contents
Summary of Contents for OPTOKON EDFA
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Page 1: User Manual
OPTOKON, a.s. Other names and trademarks mentioned herein may be the trademarks of their respective owners. OPTOKON, a.s. reserves the right to make changes, without notice, to the products described in this document, in the interest of improving design, operational function and/or reliability. - Page 2 EDFA optical amplifier – user manual is the registered trademark of OPTOKON, a.s. Other names and trademarks mentioned herein may be the trademarks of their respective owners Manufactured under the licence of All rights reserved. No parts of this work may be reproduced in any form or by any means - graphic, electronic, or mechanical, including photocopying, recording, taping or information storage and retrieval systems - without the written permission of the publisher.
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Page 3: Table Of Contents
EDFA optical amplifier – user manual Contents Description of CLA amplifier ................5 General Information ..................6 Safety precautions ..................6 Optical interface connection: ..............6 Laser classification ................... 7 Packaging and standard accessories .............. 9 Technical specification................... 10 Basic configuration..................12 Mechanical design .................. - Page 4 Main menu -> Settings -> EDFA settings -> EDFA 1 ........46 Main menu -> Settings -> EDFA settings -> EDFA 1 S1 (Standard mode) ... 46 Main menu -> Settings -> EDFA settings -> Expert / Standard mode ... 47 Main menu ->...
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Page 5: Description Of Cla Amplifier
The CLA is a family of low noise, high performance EDFA designed to support cost effective and turnkey amplification solutions for fiber optic networks. The CLA EDFA includes 2 in 1 Pre Amp and Booster EDFA. The electronic control board permits the separate control of the 2 EDFAs. -
Page 6: General Information
EDFA optical amplifier – user manual 2 General Information 2.1 Safety precautions To ensure a high level of operator safety during installation, commissioning and operating the equipment, as well as ensuring that the equipment remains undamaged, it is necessary to consider the following general warnings. -
Page 7: Laser Classification
EDFA optical amplifier – user manual 2.3 Laser classification A laser is a light source that can be dangerous to the people exposed to it. Even low power lasers can be hazardous to eyesight. A person exposed to laser radiation (especially invisible radiation) may be unaware that damage is occurring. - Page 8 EDFA optical amplifier – user manual Class 1M A Class 1M laser is safe for all conditions of use except when passed through magnifying optics such as microscopes and telescopes. Class 1M lasers produce large-diameter beams, or beams that are divergent. The MPE for a Class 1M laser cannot normally be exceeded unless focusing or imaging optics are used to narrow the beam.
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Page 9: Packaging And Standard Accessories
EDFA optical amplifier – user manual 3 Packaging and standard accessories Standard accessories 1x CLA amplifier, type according to request 2x Unit Holders (rack mount kit) 2x Power supply cable 2x Key 1x UTP cable 1x User Manual... -
Page 10: Technical Specification
EDFA optical amplifier – user manual 4 Technical specification Basic parts 1 or 2 EDFA modules, each contain 1 or 2 amplifiers, in total from 1 to 4 amplifiers dual power supply units (PSU) single board PC based microcomputer Design ... - Page 11 EDFA optical amplifier – user manual Optical characteristics of multi-channel amplifiers (with flat gain characteristics) Pre and In-line Flat Gain Amplifier Unit Specifications Parameters Signal Wavelength 1535 1565 Input optical power Nominal Gain Saturated output power (only signal) + 15...
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Page 12: Basic Configuration
EDFA optical amplifier – user manual 5 Basic configuration Block diagram... -
Page 13: Mechanical Design
(chapter 13) Enable/Disable Amplifier ENABLE/DISABLE WARNING: Use only APC connectors (chapter 2.2) Optical connector must be clean (chapter 2.2) In case of active RED LED (EDFA alarm) - switch KEY to the Disable position. -
Page 14: Display (Only Version With Display -D-)
The EDFA units contain internal memory, they can work independently of PC function Green LEDs 5V and 12V indicate internal power supply voltage Yellow LED indicates EDFA LOSS alarm. The limits shall be set - by commands LI, LO, see chapter 8, 9, 10) Key switch position: Enable or disable EDFA function. -
Page 15: Monitoring Port (1% Of Output No. 1 Power)
EDFA optical amplifier – user manual 6.3 Monitoring port (1% of output No. 1 power) 6.4 Rear panel... -
Page 16: Starting Operation
EDFA optical amplifier – user manual 7 Starting operation Switching on procedure - step by step Please check the completeness of the product during unpacking Mount the unit holder – rack mount installation kit on both sides of the amplifier... -
Page 17: Communication With The Device
EDFA optical amplifier – user manual 8 Communication with the device Two available communications with the device: Command line – chapter 8 Web interface (user friendly) – chapter 9 Optionally - Display module with control keyboard – chapter 10... -
Page 18: Command Line
EDFA optical amplifier – user manual 9 Command line Communication via command line is not very user friendly and user needs know basic command for Linux OS. Use command line for basic Ethernet configuration only! If user can´t work in Linux OS, we advice use Web interface! For access to the device via command line use: a) Keyboard &... -
Page 19: Login To The Cla
EDFA optical amplifier – user manual 9.2 Login to the CLA After the PC is switched on you can login to your CLA system. Type login and password Factory setting of login: Login: root Password: optokon NOTE: for change of password use command “passwd”... - Page 20 EDFA optical amplifier – user manual You can use also JOE editor for settings ETH0 as below joe /etc/network/interfaces For JOE editor HELP press ctrl-k h For SAVE and EXIT JOE editor press ctrl-k x For EXIT without SAVE JOE editor press...
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Page 21: Firewall
CLA. For stopping the firewall system use following command /etc/init.d/firewall stop 9.7 CLA Admin The CLA Admin is console for configuration of the EDFA unit. For running type command: cla-admin... - Page 22 EDFA optical amplifier – user manual Point 1 CLA report script: CLA report is an application to display the main parameters of all EDFA units in the CLA device. This is the best tool for first monitoring of actual CLA status.
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Page 23: Web Administrator Interface
EDFA optical amplifier – user manual 10 Web administrator interface 10.1 IP address setting The CLA device contains default setting for ETH0 NET_IP 192.168.0.10 NET_MASK 255.255.255.0 NET_GATEWAY 192.168.0.1 For connection set on your PC IP address e.g. 192.168.0.11 with same mask 255.255.255.0... -
Page 24: Summary
The summary component part contains basic status of optical amplifier. This component part enable READ basic parameters only. EDFA unit parameters – SN, Pin, Pou, Temperatures, ALARMS System information – CLA SN, Type, etc. Device parameters – Voltage, Fan speed ... -
Page 25: Summary System Information
APC mode configuration (chapter 9.4) AGC mode configuration (chapter 9.4) Threshold value of Loss input alarm [dBm] Threshold value of Loss output alarm [dBm] EDFA unit alarm for each stage (chapter 9.4) Stage alarms Table 2 - Summary EDFA parameters Summary System information Picture 3 - Summary System information Choice web interface mode, HTTPS, HTTP, etc. -
Page 26: Summary Network Settings
EDFA optical amplifier – user manual Threshold value for alarm (chapter 9.4) Minimum Actual measured value Actual Threshold value for alarm (chapter 9.4) Maximum Output voltage form power supply units [V] CLA case temperature Case temperature Right power supply unit – Fan speed FAN 1 Left power supply unit –... -
Page 27: Amplifier
Administrator must accept responsibility before changing of optical parameters. Before adjustable of EDFA unit, read chapter 2. Picture 7 - Accept responsibility The component part “Amplifier” allows change optical parameters of EDFA unit and include two modes for setting Normal mode and Expert mode (for skilled person only). - Page 28 Table 7 - Normal mode - adjustable values For accept your changes must click to button “Update module” NOTE: if optical output level is higher than +10dBm is displayed by EDFA unit logo “!DANGER!”. This is only warning report about high optical output level.
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Page 29: Expert Mode
Expert mode Picture 10 - Expert mode generally Administrator can change operation mode of EDFA module in this part. For accept the change click to “Set” button. Other parameters are for reading only and their meaning are wrote in the column “Description”. - Page 30 Set maximal output power [dBm] – protect EDFA unit POWER_MAX Set maximal gain [dB] – protect EDFA unit GAIN_MAX Set maximal pump diode current [mA] – protect EDFA unit CURRENT_MAX Enable or Disable Auto power reduce function APRFNC Table 8 - Expert mode...
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Page 31: Health
EDFA optical amplifier – user manual 10.5 Health This component part is available by admin account only. Health component is adopted from standard PCs BIOS systems. The Health involves voltage values of power supply units and fans speed only. Admin can set alarm thresholds (Minimum and Maximum). -
Page 32: Network
EDFA optical amplifier – user manual 10.6 Network This component part is available by admin account only. Administrator can in the part Network set network properties and firewall Network properties Picture 13 - Network properties Enable or Disable read IP address from DHCP server... -
Page 33: Firewall
EDFA optical amplifier – user manual Firewall Picture 14 – Firewall Enable or Disable Firewall function Firewall status Allow or Denied access from gateway to the device Access from gateway Allow or Denied ping to the device Ping reply ... -
Page 34: Snmp
EDFA optical amplifier – user manual 10.7 SNMP This component part is available by admin account only. Picture 15 – SNMP Enable or Disable SNMP function SNMP access setting Name for Read Only community Read-Only community Read Write community isn`t implemented yet... -
Page 35: Postman
EDFA optical amplifier – user manual 10.8 Postman This component part is available by admin account only. The postman service can send warning email according to administrator settings. Administrator can Enabled or Disabled this service and can set when send warning mails etc. -
Page 36: Log
EDFA optical amplifier – user manual After setting Postman properties can send “Testing email” and verify Postman function. To email body can write your text. Picture 18 - Postman testing mail 10.9 This component part is available by admin account only. -
Page 37: System
EDFA optical amplifier – user manual 10.10 System This component part is available by admin account only. The component part System allows change following properties Admin and User password Basic device information Date and Time Web interface secure properties Account properties Only Administrator can change Administrator`s and User`s passwords. -
Page 38: Base Device Information
EDFA optical amplifier – user manual Base device information In this part are placed basic information about the device. These information are displayed by login to the device. Picture 21 - System - Device information All items are descript in Table 1, chapter 9.2 Date and Time In this part can choose source of Date and Time –... -
Page 39: Web Interface Secure
EDFA optical amplifier – user manual Web interface secure This part allows chose web service mode HTTPS or HTTP and choose your certificate (public or private) for HTTPS service. Picture 23 - System - Web interface secure NOTICE: for accept your changes click to button “Web interface restart”. -
Page 40: Cla Reboot
DEVICE settings will not be changed. Picture 26 - Restore - System and EDFA defaults NOTICE: Each restart procedure can take about 3 minutes. Same as CLA reboot. WARNING: Resetting to default setting probably set EDFA unit to OFF mode! -
Page 41: Logout
EDFA optical amplifier – user manual 10.12 Logout Please, provide correct logout from CLA web interface after ending your work. The Web interface is switched after correct logout procedure to login window and reply by web interface is “Log out successful”... -
Page 42: Display
EDFA 1 means the first EDFA module inside the CLA EDFA 2 means the second EDFA module inside the CLA EDFA 1 S1 means the first stage in EDFA 1 (Pre-amp or Booster) EDFA 1 S2 means the second stage in EDFA 1 (Pre-amp or Booster) -
Page 43: Main Menu -> Alarms
F A N_ F A N4 : 0 RP M Main menu -> Alarms Item Alarms contains report about alerts on the EDFA units. Alarms see in chapter 13. A l e r t s EDF A 1 S 1 -... -
Page 44: Main Menu -> Parameters -> Edfa 1
B o o s t e r 2 0 d B Main menu -> Parameters -> EDFA 1 The item contains basic information about the EDFA unit. User can listed via buttons UP/DOWN. Vi e w EDF A 1 VE NDOR... -
Page 45: Main Menu -> Settings
Items are described in Chapter 9.4 - Table 8. Main menu -> Settings Item Settings enables change of the EDFA optical parameters, Network parameters and change of display password. S e t t i n g s me n u... -
Page 46: Main Menu -> Settings -> Edfa Settings -> Edfa 1
The ACC mode is via the Display module denied. The information about working mode in Chapter 12 - Table 13 Main menu -> Settings -> EDFA settings -> EDFA 1 S1 (Standard mode) User can change settings of working mode and threshold for Loss IN or OUT alarm. -
Page 47: Main Menu -> Settings -> Edfa Settings -> Expert / Standard Mode
A GC mo d e Main menu -> Settings -> EDFA settings -> Expert / Standard mode This item enables change of level settings for the EDFA unit. The standard mode enables only basic settings. The expert mode enables settings all available parameters. -
Page 48: Main Menu -> Settings -> Network Settings -> Set Display Password
Now click to back button. Main menu -> Settings -> Network settings -> Set display password The settings of the CLA and EDFA unit can be protected via display password. If you need protect your CLA settings set the password with four digits. The password can contain only numbers. -
Page 49: Detailed Edfa Command Set
EDFA optical amplifier – user manual 12 Detailed EDFA Command set ACC{sp}[1,2]{sp}<value>{cr} Set Pump Currents in mA in ACC mode Set the pump currents in mA in ACC mode. Example usage: ACC{sp}1{sp}200{cr} Reply is: ACC{sp}1{sp}200.0{cr} the laser 1 is supplied at 200 mA. - Page 50 EDFA optical amplifier – user manual AGC{sp}[1,2]{sp}<value>{cr} Set the gain in AGC OADM mode for each stage. Example usage: AGC{sp}1{sp}18{cr} Reply is: AGC{sp}1{sp}18{cr} the gain for stage 1 in AGC OADM mode is set to 18 dB. ALS{sp}[1,2]{sp} [E;D] {cr} Set the automatic laser shutdown function.
- Page 51 Report the automatic laser shutdown function for stage 2 is disable. Change the operation mode. AM{sp}[O,C,P,G]{cr} Change the operation mode of the EDFA between the 4 modes : ACC, APC, AGC, OFF. Example usage: AM{sp}O{cr} Change the operation of the EDFA module to off mode. In OFF mode, the laser diode driving current are set to 0 mA, alarms are disabled, and TEC are enabled.
- Page 52 Example usage: AM{cr} Reply is: AM:{sp}O{cr} EDFA operates in OFF mode. In OFF mode, the laser diode driving current are set to 0 mA, alarms are disabled, and TEC are enabled. or Reply is: AM:{sp}G{cr} EDFA operates in AGC mode.
- Page 53 EDFA optical amplifier – user manual EDFA Module Status Request AS{cr} Reports any problems with the EDFA module: Indicator Parameters Description STAGE 1 IN LOS Loss of input signal alarm The loss of input power will send an STAGE 2 IN LOS...
- Page 54 Example usage: LC{sp}1{cr} Reports pump laser drive current for pump laser diode 1. Reply is: LASER1:{sp}280.4{sp}mA{cr} If the requested pump laser diode is not fitted into the EDFA module, then the reply is: FWC{cr} Example usage (for all lasers): LC{sp}A{cr} Reports pump laser drive current for all lasers.
- Page 55 EDFA optical amplifier – user manual Set Loss of Input power Signal alarm LI{sp}[1,2]{sp}<value>{cr} threshold for each stage Set the Loss of input power Signal alarm threshold. Note that a LI event on a stage should mute the output power stage only if ALS is enabled..
- Page 56 LP{sp}1{cr} Reports pump laser output power for pump laser diode 1. Reply is: LASER1:{sp}180.4{sp}mW{cr} If the requested pump laser diode is not fitted into the EDFA module, then the reply is: FWC{cr} LP{sp}A{cr} Reports pump laser output power for all pump lasers.
- Page 57 Requests TEC temperature of all pump laser. Reply is in the form: ALL:{sp}25.2{sp}25.0{sp}C{cr} The range for the TEC temperature is: 15.0 C to 35.0 C. Get the Optical Powers in the EDFA Module PH{cr} Example Usage: PH{cr} Reply is in the form shown, where PDM1 is the input power stage 1, PDM2 is the output power stage 1 before the VOA, PDM3 is the input power stage 2, PDM4 is the output power stage 2.
- Page 58 EDFA optical amplifier – user manual Get TEC Temperature. TS{sp}[1,2,A]{cr} Example usage: TS{sp}1{cr} Reports the minimum submount temperature, the operating set point, and the maximum submount temperature of laser diode 1. Reply is in the form: LASER1:{sp}25.0{sp}C{cr} Signifying that the laser 1 has a submount temperature of 25 C.
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Page 59: Edfa Education And Application Note
EDFA optical amplifier can be used for amplification at C-Band only! EDFA block scheme Picture 28 - EDFA block scheme APC connector are using by all EDFA optical amplifier. The output optical level is often very high and high optical level can damage connector with help effect of back reflection. -
Page 60: Edfa Operational Modes
EDFA optical amplifier – user manual EDFA Operational modes Each EDFA unit can work in four operational modes. These modes were created for independent work of optical amplifier on the optical trace. User have to set properties of each operational mode only and control electronic control gain or output power according to user`s settings. -
Page 61: Application Note
EDFA optical amplifier – user manual 13.2 Application note This chapter shows some examples connection and using some models of OPTOKON Amplifiers. Picture 29 - Application note Note: “►” Booster Amplifier “>>” Pre-Amplifier PBxx – Pre-Amplifier and Booster DIxx – Dual Inline Amplifier... -
Page 62: Alarms
EDFA optical amplifier – user manual 14 Alarms Name Full name Description TINT Internal temperature alarm Indicate that the EDFA`s internal case temperature is out of limits MODULE_SHUT_TEMP Module automatically shutdown The alarm is activated if any single alarm pump laser diode temperatures... -
Page 63: Contacts
EDFA optical amplifier – user manual 15 Contacts: OPTOKON, a.s. Červený Kříž 250, Jihlava,586 02 Czech Republic Phone: +420 564 040 111 Fax: +420 564 040 134 E-mail: OPTOKON@OPTOKON.CZ Internet: WWW.OPTOKON.COM OPTOKON, a.s. Prague office Venušina 1149/3 104 00, Praha 10...