RC952-FEE1 (A) Fast Ethernet to E1 Interface Converter (REV.A
Contents
1. 10 100M auto sensing function Support IEEE802 3x flow control in full duplex mode of Ethernet port Support back pressure flow control in half duplex mode of Ethernet port Ethernet port supports maximum frame size of 1916 bytes Local and remote network management function alarm and Ethernet port message information inquiry of local and remote equipment Support network management under E1 unframed mode Support network management of passing DXC PCM equipment under E1 framed mode AA SECOM Raisecom Technology Co Ltd 3 How to use 3 1 Introduction of Front Panel LNK ACT 100M Dp B UI e A m m H 3 1 1 The indicator indicates E1 link indicators LOS Red Receiving signal loss alarm of local E1 link LOST On without LOS Off LER Double Color The rest local alarm AIS Flashing with red color LOF On with yellow color CRC Flashing with yellow color no alarm Off RLP Double Color Test indicator of remote loop back and BERT Test of remote loop back test is failure Flashing with yellow color test is successfull On with yellow color Test of BERT there are error bits Flashing with green color there are no error bits On with green color Normal working condition Off The information of indicator is BERT when the test of BERT and remote loop back is available at the same time RAL Double Color E1 link alarm of remote equipment LOST On with red color AIS Flashing with red color LOF2. setting Fault Pass Through function Ethernet port is closed and sub card is stopped through software Statistic of receiving and transmitting packets of Ethernet Error bits statistic under the test of error bits test Historical log of all events 3 2 5 Ambience Working Temperature 0 45 C Humidity 5 90 non condensing Power Consumption 3W 3 3 Indication of Switch Setting There are five 8 bit Dip switches SW1 SW5 on the RC952 FEE1 rear panel there are one 4 bit Dip switches SW6 on the front panel Please setup the Dip switches before the device powered on ea Ors OFF OFF SWI SW SW SW SWS AA SECOM Raisecom Technology Co Ltd 3 3 1 swt 1 bit Switch of Ethernet interface auto sensing On Close auto sensing capability Off Open auto sensing capability default When the auto sensing capability of Ethernet interface is opened the auto MDI MDIX capability is opened at the same time Ethernet interface has 10 100M auto sensing capability If connected Ethernet interface mode of switch hub and network card is fixed then the Ethernet working mode of RC952 FEE 1 is half duplex When the auto sensing capability of Ethernet interface is closed the auto MDI MDIX capability is closed at the same time The Ethernet working mode of RC952 FEE1 is determined by 2nd bit and 3rd bit switch 2 bit 10 100M setting switch of Ethernet interface On 10M Off 1001M default The switch is invalid when 17 bit switc
3. On with yellow color CRC Flashing with yellow color no aarm Off The definition of above alarm is following LOS Loss of receiving signals of E1 AIS Receiving signals of E1 is 1 there is fault in upstream equipment general LOF When working mode of E1 is framed it means the frame is asynchronous When working mode of E1 is unframed it means there is abnormal frame CRC When working mode of E1 is framed the alarm is E1 CRC alarm When working mode of E1 is unframed the alarm is HDLC CRC alarm Ethernet indicators LNK ACT Green When it is on it indicates that network link is connected properly When it is flashing it indicates that there is data transmitting and receiving AA SECOM Raisecom Technology Co Ltd action in Ethernet 100M Yellow 100M On 10M Off FDX Green On Ethernet is working on full duplex mode Flashing there is collision on half duplex mode Power Indicator PWR Green Steady ON power supply is working in normal condition 3 1 2 Interface Definition E1 BNC Interface TXO BNC connector 750hm unbalanced Por E1 signal output RX BNC connector 750hm unbalanced Port E1 signal input Ethernet Interface ETH RJ45 connector complies with the interface definition of standard Ethernet 3 2 Basic Specification 3 2 1 E1 Interface Technical Specification Bit Rate 2048Kbps 50ppm Line Code HDB3 Input Impedance 75Q unbalanced BNC connector Electrical Characteristic Complia
4. RA ISECOM RC952 FEE1 A Fast Ethernet to E1 Interface Converter REV A User Manual Raisecom Technology Co Ltd 08 2005 1 2 3 4 5 AA SECOM Raisecom Technology Co Ltd Contents CAUTIONS A EE E E E E deed geesde dee 2 OVOIVIOW ae E E E ege eege eeee 3 21 Introduction gdee ees geed a E dd Seed en 3 22 EE 3 HOW E 4 3 1 Introduction of Front Panel 4 3 1 1 The indiGator INGiCates TEE 4 3 1 2 Interface Definition cccccccc cece cece cece cece cece cece cece eeeeeeeEEeEEEEEEEEEEEEEEEEEE EERE 5 3 2 BASIC SPECICATION 2 crcecesssuciecnsecenssssutinealans eveusebanntsndeenedegdsutcuaacaveeabsestinnsdedenens 5 3 2 1 E1 Interface Technical Specification ccceccccceceeeeeeeeeeeeeeeeeeeeeseeeneaeeees 5 3 2 2 Ed Cable KE 5 3 2 3 Ethernet Interface Technical Specification cccccccccesseeceeeeeeeeeeteneeeeees 5 3 2 4 Network Management Capability cccccccecccceceeeeeeeceeeaeeeeeeeesseesnstaeeees 6 S20 ren e 6 3 3 Indication of Switch Geittng cece cecccceeceeeceeeeeeeeeeeeeeeseeeeeeeaeeeeeeeeeseneneaeeeeeeees 6 SE EE RE 7 33 2 EE 8 See SVG rara shoes gege eege eegen Reeves ines 9 Installation and Preparation c cccsecceeeeeee eee eeeeaeeeaeeeaeeeaeeeaeeeaeeaaeeaaeeaaeeaaeeaaeeaaes 10 Troubleshoot WEE 11 AA SECOM Raisecom Technology Co Ltd 1 Cautions Please read the following notices carefully before installing A and using the device Raisecom do
5. e slot VOR SW3 SW4 SW5 1 2 8 1 8 1 8 1 8 TSO TS1 TS31 ON Framed Ethernet service occupies the time slot OFF Unframed Ethernet service does not occupy the time slot Note When E1 is framed mode it needs to ensure the switches of time siot occupation is not all Off at least there is one switch is On AA SECOM Raisecom Technology Co Ltd 3 3 3 SW6 15t and 2 bit Mode switch 1 bit 2 bit Mode OFF Random Mode 1 ON ON Mode 2 ON OFF Mode 3 When the equipment is set mode 2 or mode 3 E1 is unframed mode So the another site equipment must be unframed mode 3 bit Buffer size optional switch ON Small buffer OFF Big buffer default When the equipment uses big buffer it is suitable for to transmit data service when the equipment uses small buffer it is suitable for to transmit image service 4 bit Error bits test switch On Open error bits test function Off Close error bits test function default The function is convenient for users to test network At present error bits test supports statistic function of ES and SES which is stated in G 821 826 protocol But statistic period is fixed 5 minutes nonstandard During the 5 minutes test period status of error bits can be checked through network management The equipment transmits Pseudo Random Test Sequence at all times during the test of error bits and service and network management control will be
6. es not respond to any loss that caused by violating safety notices RC952 FEE1 is integrated equipment Move carefully and do A not disassemble or mend it without the guidance of Raisecom technical engineer with the anti static procedures The equipment must be grounded Do not disassemble the D equipment by yourself It may cause unrecoverable damage Raisecom will not be responsible for the damage by this AA SECOM Raisecom Technology Co Ltd 2 Overview 2 1 Introduction RC952 FEE1 is converting equipment of one 10 100M auto sensing Ethernet port to one E1 This equipment may be used in point to point topology it can be network managed with RC series equipment RC952 FEE1 interface converter is installed in 16 slot or 4 slot chassis of Raisecom RC952 FEE1 also can be installed in 1 slot chassis used as remote standalone equipment it works with local equipment to realize remote network management 2 2 Features RC952 FEE1 provides one 10 100M auto sensing Fast Ethernet RJ45 interface and one E1 75 ohm interface to realize transmission of Ethernet signals in E1 channel E1 port supports framed and unframed mode Time slot can be appointed random when the E1 mode is framed The function of E1 CRC automatic detection is available Support optional function of E1 link BERT Support local and remote loop back of E1 port E1 interface supports two clock modes master clock and slave clock Ethernet port supports
7. h is off The switch determines Ethernet interface rate when 1 bit is on 3 bit Duplex mode switch setting of Ethernet interface On half duplex Off full duplex default The switch is invalid when 17 bit switch is off The switch determines Ethernet duplex mode when 1 bit is on 4 bit Fault Pass Through switch On Open Fault Pass Through function Local LOS LOF AIS CRC alarm of E1 link can disable the Ethernet interface in order to report the link fault to switch When there is no alarm of E1 link the Ethernet interface resumes normal working status automatically Off Close Fault Pass Through function There is no association between the working status of Ethernet interface and E1 alarm 5 bit Master and slave mode switch of equipment On Slave mode Off Master mode default The switch is used for setting master or slave mode of RC952 FEE1 When RC952 FEE1 works with RC952 FEE1 one is must be set master mode and another is slave mode When RC952 FEE1 works with RC951 8FEE 1 it must be set slave mode When the working mode of RC952 FEE1 is master mode it can be managed by network management software And it can manage the remote RC952 FEE1 which the working mode is slave When the working mode of RC952 FEE1 is slave mode Working status only can be checked by network management software it can not be configured 6 bit Clock mode switch On Slave clock mode Off Master clock mode default If there is timing equi
8. ing function of the equipment is close if it connects to Ethernet Switch Hub and etc equipment it should adopt direct twisted pair cable RC952 FEE1 RJ 45 Ethernet Switch RJ 45 Pind Dm 1 Pin2 Dun 2 Pin3 C Dun 3 bm pr Dun If RC952 FEE1 connects to computer it should adopt crossover twisted pair cable RC952 FEE1 RJ 45 Computer network card RJ 45 Pin 1 Pin 1 Pin 2 Pin 2 Pin 3 Pin 3 Pin 6 Pin 6 In the two connection method please note that two lines of Pin 1 and Pin 2 is a pair and two line of Pin 3 and Pin 6 is a pair IV RC952 FEE1 can be used as point to point it can work with RC952 FXE1 It can also work with standalone RC951 Ethernet to E1 interface converter 10 AA SECOM Raisecom Technology Co Ltd 5 Troubleshooting If you meet troubles in installation and application please try to solve the problems according to the following suggestions If they cannot be solved please contact technical staff to support l Power indicator PWR is OFF There is fault in power supply system Il Ethernet link indicator LNK is OFF Please check whether the network cable is cut off Please check whether bit rate is matching Please check whether Fault Pass Through function is open and there is fault in E1 link Il Interruption alarm indicator LOS in E1 link is ON LOS alarm indicates E1 interface cannot receive signal Please check whether E1 input signal link is connected well Please check whethe
9. nt with ITU T G 703 recommendation Fractional Structure Compliant with ITU T G 704 recommendation this equipment supports timeslot allocation Jitter Tolerance Compliant with ITU T G 823 recommendation Functionalities Complete link alarm indicator Fault Pass Through FPT and intelligent auto restoration functions 3 2 2 E1 Cable Type It s suggested that SYV 75 2 2 coaxial cable is used for unbalanced BNC connector Its maximum transmission distance is more than 200 meters 3 2 3 Ethernet Interface Technical Specification Use 5 CAT cable for Unshielded Twisted Pair RJ 45 connector and it can transmit up to 100 meters AA SECOM Raisecom Technology Co Ltd Comply with IEEE 802 3 protocol standard 10 100M auto sensing Support IEEE 802 3d Spanning Tree and IEEE 802 1q VLAN Support maximum Ethernet Data Fractional length up to 1916 Bytes Support IEEE 802 3x flow control on full duplex mode Support back pressure flow control on half duplex mode Support auto MDI MDIX capability Built in 32Mbit SDRAM memory to reduce data congestion 3 2 4 Network Management Capability 4 level alarm of E1 link reports to computer Local and remote loop back can be configured result of local and remote loop back can be checked Clock mode of equipment and E1 mode can be checked E1 framed unframed mode time slot occupation and clock mode can be set Running status of Ethernet port reports to computer Query of Ethernet port rate duplex
10. pment in E1 link RC952 FEE1 of both sites must be set AA SECOM Raisecom Technology Co Ltd slave clock mode If there is no timing equipment in E1 link RC952 FEE1 of one site is set master clock mode and RC952 FEE1 of another site is set slave clock or RC952 FEE1 of both sites are set master clock mode 7 bit Loop back control switch On Open loop back function Off Close loop back function default If loop back function is opened by Dip switch network management software can not disable it 8 bit Loop back position switch On Local loop back Off Remote loop back default The switch is available only when 7 bit switch is on Loop back illustration is following Local Remote S7 equipment equipment Remote loop back Local 3 7 Pl Remote d E1 equipment S lt equipment Local loop back 3 3 2 SW2 5 1 bit of SW2 Framed unframed optional switch of E1 interface On E1 framed mode transmission bit rate is N 64Kbps N 1 31 Off E1 unframed mode transmission bit rate is 2048Kbps default When the working mode of E1 is unframed default the 2 8 bit of SW2 and SW3 SW5 is invalid These switches are available when 1 bit of SW2 is on 2 8 bit of SW2 and SW3 SW5 Switch of E1 time slot occupation On Occupation Off Not occupation default The 31 bits switches corresponding with TS1 TS31 of E1 time slot When framed mode is set by user it needs to set these 31 bits switches to select tim
11. r there is power off in the equipment connected with E1 interface of interface converter IV LER indicator is on Please check whether there is power off in the E1 uplink Please test whether E1 transmitting link disconnects and if bit error rate is beyond limit CRC alarm reminds you that there is Serious Error Bits in E1 link V Link disconnects RLP indicator is constant ON The equipment is probably set on remote loop back mode Please check 7th bit of SW1 and set it to OFF VI RAL is steady ON Remote alarm indicates there is fault occurred at remote receiving E1 link Please check the link status from local TX to remote RX VII No alarm indication and LNK indicator is constant ON but link can not be ping through Please check time slot setting of both sites equipment 11 AA SECOM Raisecom Technology Co Ltd BROADBAND to RAISECOM 2005 Raisecom Technology Co Ltd All trademarks are the property of their respective owners Technical information may be subject to change without prior notification 12
12. stopped So when using the function remote equipment should be set local loop back status or local equipment should be set remote loop back status When applying the power supply please note in order to prevent between E1 line equipment potential difference oversized for the equipment connection security It is suggested user first connect E1 line then turn on power supply The E1 interface should avoid hotly inserting and pulling out AA SECOM Raisecom Technology Co Ltd 4 Installation and Preparation l Make sure E1 Link Cable Matches Connected Equipment If PDH SDH equipment are linked to RC series interface converter of E1 link then it should be referred to manuals for the type definition and line impedance of E1 interface II Ordinary Application Solution When this equipment adopts all default settings it can provide user with a 75 ohm unbalanced E1 interface a Ethernet port that can be connected with 10 100M auto negotiation ports switch or low cost HUB to provide 2048Kbps actual transmission bandwidth To adjust parameters of this equipment please refer to introductions of Dip switch IL Connecting CAT 5 Twisted Pair Cable with Interface Converter please note that the Twisted Pair Cable does not exceed 100 Meters Ethernet port of this equipment supports auto MID MIDX when auto sensing function is open It can be connected with Ethernet ports of any equipment with either direct cable or crossover cable When auto sens
Download Pdf Manuals
Related Search