EOT-4581 User Manual (Revision 00)
Contents
1. 1000 Base X optical interface Path lengths up to 30dB optical path loss using 9 125um single mode fibre Optional on board wom optical combiner for use on a single common fibre SNMP software monitoring NOTE 1 With the WDM option fitted optical path loss is reduced by approximately 2B 2 With the WDM option fitted when operating as a pair one EOT 4581 must be fitted with a 1310nm transceiver and the other a 1550nm transceiver 3 An optical attenuator is required for optical path losses lt 9dB IRT Electronics Pty Ltd www irtelectronics com Page 5 of 14 Revision 00 TECHNICAL SPECIFICATIONS Ethernet Type Data Rate Maximum Frame Size Connector Optical Type Data Rate Optical Path Loss Optical Fibre Optical Wavelength Optical Connectors Optical Output Optical Input Power Requirements Voltage Power consumption Other Temperature range Mechanical Finish Front panel Rear assembly Dimensions Ordering EOT 4581 EOT 4581 xxxx EOT 4581 1310 WDM EOT 4581 1550 WDM NOTE 4 5 EOT 4581 Standard IEEE 802 3i 802 3y amp 802 3ab 10 100 1000 Mb s automatic 10 240 bytes RJ 45 Standard 802 3z 1000 Base xX 1000 Mb s 9 to 30 dB Designed for use with 9 125um single mode fibre 1310nm standard 1470nm 1490nm 1510nm 1530nm 1550nm 1570nm 1590nm or 1610nm available Dual SC PC standard Single SC PC WDM version 0 dBm 4 5 0 dB DFB laser APD detector standar2. besides the module identification parameters such as alarm states inputs and controls etc are communicated to the CDM xxxx agent via a data bus on the rear of the frame Thus the CDM xxxx collects information on what is loaded within the frame what positions they occupy and their current status for communication to the NMS when the NMS sends a request for information In the event of a major alarm from any of the SNMP compatible modules or power supplies a trap is automatically sent by the CDM xxxx agent to the NMS without any prompting by the NMS This alerts the operator to any fault conditions that may exist that need immediate attention O O Es D FRU 4000 110 240 V 50 60 Hz FRAME 0 7 A max im RS232 Y KS Alarm AS3260 approval no CS6346N Ass no 804692 O O IRT SNMP Connections IRT modules fitted CDM xxxx with SMU 4000 PSU s eee E IRT SNMP Frame Eth l Ethernet Cable thernet Cable IRT modules fitted CDM xxxx with SMU 4000 PSU s ee IRT SNMP Frame Ethernet Cable IRT SNMP Setup IRT Electronics Pty Ltd www irtelectronics com Page 12 of 14 Revision 00 EOT 4581 EOT 4581 SNMP Functions The following SNMP functions are capable of being controlled and monitored by an NMS sysDescr sysObjectID sysUpTime sysName sfpType sfpReceiverType sfpwavelength opticalLink
3. Base X Ethernet Optical e Ports Interface gt Bi directional Ethernet gt Port NOTE Optical attenuator required if path loss lt 9dB for APD detector or lt 3dB for PIN detector for EOT 4581 and also dependent upon Gig E Switch specs Front Panel LED Indicators The OPT LED will illuminate green when an optical signal has been received If the optical input level is approaching or has exceeded its threshold limit this LED will flash green to indicate an Optical Low state The Optical Low trigger point can vary between the plug in OPT LINK receivers so if operating at signal paths close to the recommended maximum specified 10 threshold confirmation of the Quality of Service should be checked No illumination 100 indicates that there is no optical link established either there is no input present or the input signal is far below its recommended operating range The left LED on the rear assembly s Ethernet connector will also illuminate when an optical signal has been received but this LED will not flash on an Optical Low state EOT 4581 1000 The LINK LED down indicates the presence of an Ethernet signal by illuminating green If there is no Ethernet signal present this LED will not illuminate The right LED on the rear assembly s Ethernet connector will also illuminate green when an Ethernet connection has been detected but this LED does not indicate what Ethernet rate has been con
4. ethernetLink ethernetRate softwarever reset generalAlarmTrap Adescription of the unit EOT 4581 Ethernet to Optical Transceiver Object identifier irttEOT4581 Aindication of how long the unit has been running since its last power on or reset in Days Hours Minutes and Seconds A 16 character writable system name Default set name EOT 4581 An indication of the detected plug in SFP module 1 transceiver Transceiver module detected Should indicate this 2 notDetected No plug in SFP detected 3 unknownSFP Unable to determine the type of plug in SFP module An indication of the transceiver s detector type 1 unknown Unable to determine the type of detector 2 apd APD detector fitted 3 pin PIN detector fitted An indication of the transceiver s wavelength An indication of the transceiver s optical input 1 connected Good optical level received 2 disconnected No optical input detected either not connected or path length is too great 3 lowPower Optical detector of receiver is reporting that the optical input signal is approaching its minimum or has exceeded its allowable signal strength NOTE Detectors can vary in their reporting of optical low state It is recommended to confirm that the received signal is error free if a lowPower alarm has been raised An indication of the status of the Ethernet link 1 connected Ethernet signal connected 2 disconnec
5. EOT 4581 ELECTRONICS User Manual IRT Electronics Pty Ltd www irtelectronics com Page 1 of 14 Revision 00 Ethernet to Optical Fibre Transceiver Revision History EOT 4581 Revision Date By Change Description Applicable to 00 27 11 2014 AL Original Issue Firmware Revision 1 0 IRT Electronics Pty Ltd www irtelectronics com Page 2 of 14 Revision 00 USER MANUAL Table of Contents EOT 4581 Section Page Revision History 2 Operational Safety 4 General Description 5 Technical Specifications 6 Configuration 7 Installation 7 Ethernet Connection 7 Fibre Connections 7 Alarm Connections 7 Front amp Rear Panel Connector Diagrams 8 Operation 9 Interfacing to a Gig E Switch 10 Front Panel LED Indicators 10 SNMP What Is It 11 EOT 4581 SNMP Functions 13 Maintenance amp Storage 14 Warranty amp Service 14 This instruction book applies to units fitted with firmware gt Revision 1 0 IRT Electronics Pty Ltd www irtelectronics com Page 3 of 14 Revision 00 EOT 4581 OPERATIONAL SAFETY WARNING Operation of electronic equipment involves the use of voltages and currents that may be dangerous to human life Note that under certain conditions dangerous potentials may exist in some circuits when power controls are in the OFF position Maintenance personnel should observe all safety regulations Do not make any adjustme
6. automatically sends what is known as a trap to the NMS without any prompting from the NMS This allows automatic notification of a predetermined event SNMP Block Diagram SNMP Agent SNMP Agent Protocol Engine SNMP Agent SNMP Agent Protocol Engine SNMP Agent SNMP Agent Protocol Engine IRT Electronics Pty Ltd www irtelectronics com Page 11 of 14 Revision 00 EOT 4581 SNMP with IRT Products IRT Electronics currently employs SNMPv1 with its SNMP capable frames The frame acts as an agent when fitted with a CDM xxxx module This module has its own designated slot next to the power supply so as to not affect the number of modules that the frame will take Communication between the NMS the frame and its loaded modules are via this CDM xxxx module Note that the NMS software is third party and not supplied by IRT Electronics Ethernet connection for SNMP operation is via an RJ45 connector on the rear of the frame below the mains inlet Ethernet rate runs at either 10 baseT or 100 baseT Frame parameters such as Name Address and Location are set via an RS232 interface a D9 connector on the rear of the frame below the mains inlet A software terminal emulator such as Tera Term or HyperTerminal is used for setting and reading the parameters of the frame IRT modules that are SNMP compatible may need an optional plug in SNMP module with a program relevant to the module that it is plugged into Depending on the module
7. d 9 to 30 dBm input level 28 Vac CT 14 0 14 or 16 Vdc lt 2 5 VA 0 50 C ambient For mounting in IRT 19 rack chassis with input output and power connections on the rear panel Grey black lettering amp red IRT logo Detachable silk screened PCB with direct mount connectors to Eurocard and external signals 6 HP x 3 U x 220 mm IRT Eurocard Standard EOT 4581 fitted with 1310nm laser EOT 4581 fitted with laser other than 1310nm where xxxx wavelength required e g EOT 4581 1550 is fitted with a 1550nm laser EOT 4581 fitted with WDM and 1310nm laser EOT 4581 fitted with WDM and 1550nm laser Optical attenuator required for EOT 4581 when optical path loss is less than 9dB Optical path loss reduced by approximately 2dB when WDM option fitted Due to our policy of continuing development these specifications are subject to change without notice IRT Electronics Pty Ltd www irtelectronics com Page 6 of 14 Revision 00 EOT 4581 CONFIGURATION There are no configuration settings for the EOT 4581 INSTALLATION Pre installation Handling This equipment may contain or be connected to static sensitive devices and proper static free handling precautions should be observed Where individual circuit cards are stored they should be placed in antistatic bags Proper antistatic procedures should be followed when inserting or removing cards from these bags Installation in frame or chassis See de
8. e fibre with optical paths losses up to 30dB The EOT 4581 conforms to the IEEE 802 3i 802 3y and 802 3ab standards for Ethernet over CAT 5 cable and the IEEE 802 3z 1000 Base X standard for Gigabit Ethernet over optical fibre The Ethernet port has automatic MDI MDI X detection this detects whether the Ethernet interconnect cable is a straight through or cross over type and automatically switches itself to accommodate and will automatically select the link speed of the connected network 10 100 1000 Mb s The EOT 4581 is also able to support Jumbo frames which are Ethernet frames with more than 1500 bytes of payload data up to a maximum frame size of 10 240 bytes A fibre transceiver is incorporated on the one card allowing bi directional communication over a pair of SC PC single mode fibre optic cables Optionally a 1310 1550nm WDM optical combiner can be fitted to allow for combined use on a single fibre As well as being able to be used as a pair for a point to point fibre link the EOT 4581 s fibre output is 1000 Base X and can be directly interfaced into an Ethernet switch with an equivalent optical interface The EOT 4581 is a Eurocard module designed to fit IRT s 1RU frame or IRT s 4000 series frames for use with IRT s SNMP system and may be used alongside any other of IRT s Eurocards Standard features Suitable for 10 100 1000 Base T Ethernet Standard RJ 45 CAT 5 Ethernet connection Supports Jumbo frames
9. nected The 10 100 and 1000 LEDs will illuminate green for a connected 10 100 1000 Mb s Ethernet signal respectively In the shown example a 100Mb s FAST Ethernet signal has been connected IRT Electronics Pty Ltd www irtelectronics com Page 10 of 14 Revision 00 EOT 4581 SNMP What Is It SNMP stands for Simple Network Management Protocol It is an application layer protocol for managing IP Internet Protocol based systems SNMP enables system administrators to manage system performance and to find and solve system problems SNMP runs over UDP User Datagram Protocol which in turn runs over IP Three types of SNMP exist SNMP version 1 SNMPv1 SNMP version 2 SNMPv2 and SNMP version 3 SNMPv3 It is not the intention here to discuss the differences between various versions only to bring attention to the fact that IRT Electronics modules fitted with SNMP capability use SNMPv1 An SNMP managed network consists of three key components Network Management Systems NMS agents and managed devices An NMS is the console through which the network administrator performs network management functions such as monitoring status e g alarm states and remote controlling of a set of managed devices One or more NMS s must exist on any managed network Generally the NMS is a computer running third party SNMP control software There are a number of third party SNMP software applications currently available on the market An NMS p
10. nts inside equipment with power ON unless proper precautions are observed All internal adjustments should only be made by suitably qualified personnel All operational adjustments are available externally without the need for removing covers or use of extender cards Optical Safety The light emitted from the LASER diode used in this system is invisible and may be harmful to the human eye Avoid looking directly into the fibre optic cable or connectors or into the collimated beam along their axis when the device is in operation Operating the LASER diode outside of its maximum ratings may cause device failure or a safety hazard Invisible LASER radiation Avoid direct exposure to beam Peak power 2 mW Wavelength 1270 1610nm Class 1 LASER Product IRT Electronics Pty Ltd www irtelectronics com Page 4 of 14 Revision 00 EOT 4581 GENERAL DESCRIPTION BLOCK DIAGRAM EOT 4581 SIGNAL PATH EOT 4581 EOT 4581 Tx Fibre O P Rx Fibre I P 10 100 1000 eigeetine 10 100 1000 Bi directional Ethernet I O 9 30dB Aone Bi directional Ethernet path loss Ethernet Port 1 Port 2 Rx Fibre I P proccss eeeeee 3 Party iq i Gig E Switch q Multi L r with Bi directional ere 4 1000 Base X e Ethernet Optical 1 Ports 1 Li i Interface gt i The EOT 4581 transceiver module is designed principally for use as a 10 100 1000 Base T Ethernet to fibre optic transmission link using 9 125um single mod
11. nty Full return address For situations when No Fault Found for repairs a minimum charge of 1 hour s labour will apply whether the equipment is within the warranty period or not Contact IRT for current hourly rate Oy On eG N S Please note that all freight charges are the responsibility of the customer The equipment should be returned to the agent who originally supplied the equipment or where this is not possible to IRT directly Details of IRT s direct address can be found at IRT Electronics website Web address www irtelectronics com Email sales irtelectronics com IRT Electronics Pty Ltd www irtelectronics com Page 14 of 14 Revision 00
12. olls or communicates with an agent An agent is a network management software module that resides in a managed device An agent has local knowledge of management information and translates that information into a form compatible with SNMP The agent therefore acts as an interface between the NMS and the managed devices The NMS sends a request message and control commands for the managed devices to the agent which in turn sends a response message containing information about the managed devices back to the NMS A managed device contains an SNMP agent and resides on a managed network Managed devices collect and store management information and make this information available to NMS s using SNMP Managed device agent variables are organised in a tree structure known as a Management Information Base MIB Within the MIB are parameters pertaining to the managed device An Object Identifier OID number within the MIB defines the managed device type This is a unique number specific to the model of managed device Other information relating to the device is also stored information such as alarm states controllable settings etc The MIB tree is organised in such a way that there will be no two MIB files with conflicting placements Normally an NMS polls an agent for information relating to the MIB in a managed device to be sent back to the NMS When certain conditions are met within the MIB such as major alarm conditions for example the agent
13. rting or removing cards from these bags WARRANTY amp SERVICE Equipment is covered by a limited warranty period of three years from date of first delivery unless contrary conditions apply under a particular contract of supply For situations when No Fault Found for repairs a minimum charge of 1 hour s labour at IRT s current labour charge rate will apply whether the equipment is within the warranty period or not Equipment warranty is limited to faults attributable to defects in original design or manufacture Warranty on components shall be extended by IRT only to the extent obtainable from the component supplier Equipment return Before arranging service ensure that the fault is in the unit to be serviced and not in associated equipment If possible confirm this by substitution Before returning equipment contact should be made with IRT or your local agent to determine whether the equipment can be serviced in the field or should be returned for repair The equipment should be properly packed for return observing antistatic procedures The following information should accompany the unit to be returned A fault report should be included indicating the nature of the fault The operating conditions under which the fault initially occurred Any additional information which may be of assistance in fault location and remedy A contact name and telephone and fax numbers Details of payment method for items not covered by warra
14. sed The laser output connector upper connector connects at one end of a single mode fibre fitted with the corresponding fibre connector SC PC standard The other end of the fibre connects to another EOT 4581 into the receiver input connector lower connector Likewise the reverse is true with a second fibre to supply the return path Application Diagram Optic Fibre 9 30dB Path Loss EOT 4581 Bi directional Tx O P Bi directional Ethernet lt gt Optic Fibre Ethernet Port 1 Rx UP 9 30dB Path Loss Port 2 NOTE Optical attenuator required if path loss lt 9dB for APD detector or lt 3dB for PIN detector Alternatively it is possible to run bi directionally on a single fibre if the two EOT 4581 s are fitted with the optional WDM optical Mux and each have a different wavelength laser fitted namely 1310nm and 1550nm Alternative the standard version cards can be run through an external CWDM optical Mux Standard optical connector for the WDM version is SC PC Application Diagram f EOT 4581 EOT 4581 eae 1310 WDM eee 1550 WDM i Bi directional Optic Fibre ite Bi directional esi 7 28dB Path Loss Ceeiainy Ethernet lt gt Ethernet Port 1 Fibre VO O Fibre I O Port 2 NOTE Optical attenuator required if path loss lt 7dB for APD detector or lt 1dB for PIN detector For path lengths lt 9dB optical loss when using an APD detector or lt 3dB optical loss when using a PIN de
15. t be used in the path to avoid overloading the optical detector else damage to the detector itself may result Alarm Connections The external alarm contact connections are made to the 4 pin phoenix style connector on the rear assembly On an alarm condition relay contacts go open circuit that is switch open with respect to ground The connections being GND GND Optical Alarm Ethernet Alarm BWNP A Optical alarm is designated as a laser or optical input fail alarm A Ethernet alarm is designated as an Ethernet input is missing IRT Electronics Pty Ltd www irtelectronics com Page 7 of 14 Revision 00 EOT 4581 Front amp Rear Panel Connector Diagrams Q EOT 4581 a EOT 4581 p PCB 805615_I1_RA p bo EOT 4581 PCB 805615_I1_RA jf a o IRT Tx O P OPT LINK Tx Rx 10 1000 Standard WDM Option IRT Electronics Pty Ltd www irtelectronics com Page 8 of 14 Revision 00 EOT 4581 OPERATION The EOT 4581 is designed to operate as a pair with a second EOT 4581 Each unit does the Ethernet to Optical conversion and the reciprocal Optical to Ethernet conversion The EOT 4581 Ethernet port will automatically configure itself to match the Ethernet link whether it be 10 100 1000 Mb s rate It also automatically sets itself up for MDI or MDI X operation so there are no setup options required for connecting to an Ethernet link allowing the use of straight through or crossover cables to be u
16. tails in separate manual for selected frame type Ethernet Connection The Ethernet port is accessible via the rear assembly and is fitted with a standard RJ 45 connector suitable for either crossover or non crossover standard CAT5 Ethernet cables This port connects directly to an Ethernet link or via an Ethernet router or Ethernet switch and will automatically set itself to match the input data rate of 1OMb s 100Mb s or 1000Mb s Green LED s on the Ethernet connector illuminate when an optical link and an Ethernet link have been established Optical Link LED m8 Ethernet Link LED Fibre Connections Optical connections are made via SC PC standard terminated single mode fibre directly to the rear of the main card accessible via the rear assembly Care should be taken when removing the card either by disconnecting the optical cables first or allowing enough slack for the optical cable to pass through the frame The top optical connector is the optical transmitter output and the lower optical connector is the optical receiver input If the card has been fitted with the WDM option both optical transmit and receive signals are combined on a single SC PC fibre When operating the WDM option one unit must be fitted with a 1310nm transceiver and the other must be fitted with a 1550nm transceiver For path lengths lt 9dB for an APD type of transceiver or lt 3dB for a PIN type of transceiver an optical attenuator supplied mus
17. tector an optical attenuator is required The length of fibre that this corresponds to depends on the fibre loss characteristics at the relevant wavelength of the laser module chosen For example if the fibre loss characteristic of the chosen fibre is 0 2dB per kilometre at 1550 nm say then the maximum distance that can be run is 150 km 30dB 0 2dBkm although connector losses such as through patch lead connectors etc should also be taken into consideration when calculating maximum distances Actual attenuation versus wavelength characteristics depends upon optic fibre manufacturer s own specifications Also a few dB headroom is recommended to allow for the effects of laser aging over time IRT Electronics Pty Ltd www irtelectronics com Page 9 of 14 Revision 00 EOT 4581 Interfacing to a Gig E Switch The optical output conforms to the IEEE 802 3z 1000 Base X standard This allows the EOT 4581 card to directly interface to a 3 party Gig E Switch that has an optical I O port conforming to the same standard As such only one EOT 4581 card is required The advantage of this is an Ethernet connection can be added to an existing system that is too far away than can be connected by CATS or CAT 6 twisted pair cable such as between two buildings or across town Application Diagram Optic Fibre Path Loss d dependent upon ui lt gt EOT 4581 Gig E Switch specs 3 e rty ii Gig E Switch Multi with Bi directional 1000
18. ted No Ethernet signal is detected An indication of the data rate of the Ethernet link 1 10Mbs 10Mb s Ethernet data rate connected 2 100Mbs 100Mb s FAST Ethernet data rate connected 3 1Gbs 1000Mb s Gig E Ethernet data rate connected 4 unknown Unknown data rate or no connection An indication of the software revision of this card Unit reset control 0 normal when queried reset control returns a normal message 1 reset Setting a 1 causes a reset of the card An indication and control of Trap enable disable function 1 enable Enable general alarm Trap 2 disable Disable general alarm Trap IRT Electronics Pty Ltd www irtelectronics com Page 13 of 14 Revision 00 EOT 4581 MAINTENANCE amp STORAGE Maintenance No regular maintenance is required Care however should be taken to ensure that all connectors are kept clean and free from contamination of any kind This is especially important in fibre optic equipment where cleanliness of optical connections is critical to performance Storage If the equipment is not to be used for an extended period it is recommended the whole unit be placed in a sealed plastic bag to prevent dust contamination In areas of high humidity a suitably sized bag of silica gel should be included to deter corrosion Where individual circuit cards are stored they should be placed in antistatic bags Proper antistatic procedures should be followed when inse
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