RCMS2304-120 User Manual
Contents
1. Do not require adapter for using 1200 connection mode 4 2 5 Optical Interface Single strand fiber and SC PC optical interface 12 AA SECOM Raisecom Technology Co Ltd 4 3 DIP Switch of device on bottom There are two 8 bit switches each of which is corresponding to 2 E1 branch links configuration nearby the E1interface at the bottom of equipment The dip switch can be set by using small sharp pen or tools Each set of ony dip switch is in correspondence with E1 port Definition as following OFF 4 st pnd gd qth 1 st ond ad ON ON ON OFF Or OFF OFF OFF ON 75Q unbalanced signals are valid 1200 balanced signals are valid gth SI 7in EW gth eh K i 8 ON ON ON OFF Or OFF OFF OFF ON 75Q unbalanced signals are valid 1200 balanced signals are valid As shown in above figure the default status is set as 75Q unbalanced signal BNC interface are valid Note Suggest using adapter for 75Q unbalanced signal and using DB37 connection for120Q balanced signal 13 AA SECOM Raisecom Technology Co Ltd 5 Installation and test 5 1 Installation According to equipment list check types and amount of equipment and their fittings Check the appearance of equipment whether are damaged or not If it is affected with damp should dry it before use 5 2 Reparation before installation Carefully read this user manual Prepare all kinds of cabl2. 3 bit enable disable of remote management 10 4 1 5 AA SECOM Raisecom Technology Co Ltd 8 bit Remote management OFF Disable ON Enable NOTE If use NM function should configure this bit switch before opening equipment Ethernet multiplexer connecting with computer serial port by LINK UP interface we call local end as Ethernet multiplexer should be configured to valid local end control otherwise should be configured to valid remote control for remote end Therefore two Ethernet multiplexers can be controlled on both ends simultaneously NM topology are illustrated as following PC Agent PC as NM computer 485 port Fiber RCMS23044 120 RCMS2504h3p4 120 e foo NM Local RCMS Remote RCMS interface Enable local management Enable remote management NOTE could install PC Agent software on NM computer as per users requirement Management information to Ethernet multiplexers at remote end is transmitted through the overhead of optical signal It will not take use of bandwidth of each port the method of which is out of band management Function Button buttons of default settings are all pressed out MASK UNMSAK shield pseudo alarm button Press it in shield unused E1 branch indicator pseudo alarm Press it out do not shield E1 branch indicator RING MUTE button If press buttons in alarm indicators are ON and alarm are set off If press buttons out alarm is mute NM networ
3. Red LOS indicator of optical port is ON Answer Loss of reception signal occurs at optical port Please check whether input of fiber is connected correctly Use optical power meter to detect optical power which should be larger than reception sensitivity Red LOF indicator of optical port is ON Answer Loss of frame of reception signal occurs at optical port In this case optical signal has been received but value of optical power is threshold or fiber is so short that reception side is in saturated status Detect RX optical power and ensure that optical interface TX has been connected well at remote end Red E 3 indicator of optical port is ON Answer The bit error of optical RX signal is over 10 Please check whether optical RX port has been connected well and detect reception optical power Yellow E 6 indicator of optical port is ON Answer The bit error of optical RX signal is over 10 If occur E 6 alarm during operation period please check whether optical RX port has been connected well and detect reception optical power Red LOS indicator of E1 channel is ON Answer Loss of RX signal alarm at E1 channel There is no HDB3 signal input Please check whether E1 port has been connected well 75 Q cable has been connected reversely and 75 Q cable order has been connected right 16 AA SECOM Raisecom Technology Co Ltd 7 Appendix A Introduction of making cable A 1 E1 interface 75ohm adopt DB37 external hanging coax
4. 3 04 120 AC LAC supply 4 E1 links 4 ports Ethernet Standalone single strand fiber 1310nm Switch on layer 2 Multi service device Company codename Raisecom Note Standalone single strand fiber Ethernet multiplexer RCMS2304 120 should work with AA SECOM Raisecom Technology Co Ltd RCMS2504 120 viz one RCMS2304 120 should connect with one RCMS2504 120 2 4 Dimension Dimension 320mm W x38mm x H x160mm D AA SECOM Raisecom Technology Co Ltd 3 Parameters 3 1 E1 interface technical indicator Bit rate 2048Kbps 50ppm Line code HDB3 Impedance of interface 750 unbalanced BNC interface or 1200 balanced RJ 45 interface Electrical characteristics Comply with ITU T G 703 Other characteristics Indicators such as transfer characteristics and input jitter tolerance comply with ITU T G823 G 724 etc relevant protocols 3 2 E1 Ethernet interface technical indicator IEEE 802 3 Ethernet IEEE 802 3u Fast Ethernet IEEE 802 3q IEEE 802 3d Spanning Tree Support maximum frame length up to 1916 Bytes Work mode 10 100M Auto negotiation Auto MDI MDIX and manual configuration Flow control IEEE 802 3x and backpressure 3 3 Optical interface technical indicator Bit rate 155Mbps Fiber connecter SC Optical transmission There are two kinds of single mode single strand fiber product S1 0 25KM S2 10 50KM 3 4 Auxiliary data channel RS232 standard 3 5 Power supply Power S
5. lt 3 6 2 40 5 5 A 3 LINK UP cable of NM interface Connect LINK UP interface with console interface LINK UP interface adapts RJ45 whose pins definition are as following RS232 Part 3 RXD 232signal input 7 TXD 232 signal output 40 8 GND RS485 Part 1 RXD 485 signal input 2 RXD 485 signal input 5 TXD 485 signal output 6 TXD 485 signal output NOTE output and input of signal is as far as equipment itself 18 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 19
6. 6 7 Appendix A Introduction of Making cable ccc cceeseessesssseeseeseessseessssesesseesssesseessesseesseesseeeseeeaes 17 TT WEE 17 A 2 Cable of Ethernet EEN 17 AA SECOM A 3 RS232 cable of data channel A 3 LINK UP cable of NM interface Raisecom Technology Co Ltd AA SECOM Raisecom Technology Co Ltd 2 Overview 2 1 Introduction Ethernet multiplexer RCMS2304 120 is an ideal transmission device of optical fiber for point to point networks middle and small capacity networks such as wireless communication base stations private communication networks and switch networks RCMS2304 120B provides 4 E1 links and 4 Ethernet ports Fast Ethernet It can be applied to either local management or to remote management 2 2 Main Features Adopt large scale ASIC chip low power consumption 4 layers PCB and high dependability Full alarm indicator Local and remote alarm can be show at one time Provide function with E1 branch loop back test for easy maintain Provide one RS 232 auxiliary data channel Provide Ethernet interface with 4 ports 10 100Mbps auto adaptive Support communication or insulation among Ethernet ports Support maximum Ethernet data frame length up to 1916 bytes Support Ethernet full duplex IEEE802 3x and half duplex flow control of backpressure Support either network management NM or remote management Could select NM interface RS 232 or RS 485 2 3 Number Introduction Number Illustration RC MS 2
7. NG MUTE button in to set off alarm Meanwhile if any alarm indicator is ON alarm will make a harsh sound 15 AA SECOM Raisecom Technology Co Ltd 6 Troubleshooting If you have any problems during installation and usage try to solve them by the following proposals If there is no solution please contact with distributors for technical support These following explanations and solutions of alarm for optical port and LOS alarm of E1 branch aim at alarm of local end Please handle it at remote end if alarm occurs at remote end Green PWR indicator is OFF Answer power supply faults Please check whether power is properly supplied and 48V power cord does not be connected reversely GL red is ON Answer If alarm occurs at local end L row GL is continually ON If alarm occurs at remote end R row GL is flashing There are three methods to handle it shown as following 1 If there are some other red or yellow alarm indicators except for GL please resolve corresponding alarm at first 2 If no alarm occurs in L row except that GL is still ON at local end there is HDB3 code error during receiving signals at E1 link of local end equipment The reason might be that E1 cable is too long too much interference signal attenuation is over 6dB or poor contact of tie in 3 If no alarm occurs in L row except that GL is still ON at remote end there is HDB3 code error during receiving signals at E1 link of remote end equipment
8. RAISECOM RCMS2304 120 Series Standalone Fiber Optic Ethernet Multiplexer User Manual REV A Raisecom Technology Co Ltd 04 2005 AA SECOM Raisecom Technology Co Ltd 1 Cautions Please read the following notices carefully before installing and using the device Raisecom does not respond to any loss that caused by violating safety notice RCMS2304 120 provides two types of power supply AC and DC When using DC power supply please plug the power supply connectors according to this mannual strictly and avoid contrary connecting RCMS2304 120 is integrated device that has precise elements please avoid violent shakes and impacts and do not disassemble or maintain the device yourself If it is required please do it under the guide of our technical staff following in the steps of anti static Please contact us if there is any need There must be grounding protection for the sake of safety do not disassemble the device yourself we regard it as you waiver your rights of repair guarantee AA SECOM Raisecom Technology Co Ltd Contents 1 Cautions i s sieros esnia geraai aore EE NEE eE eaa VANER EAEE Aaaa ENTERRER EEE ARTER EREE SE Aaa EE EENEN a Se karin 1 2a e 4 Zed ue ee ee TE 4 2 2 Main Feature S essen EE EE E NASENNE SREE 4 2 3 Number IModUC iON EE E A E EENE EEEE N rE 4 24 DIMENSl E 5 9 GE 6 3 1 E1 interface technical indicator ccccceseeesseeseesseeseeesseeeeesseseeeeeeeeeeesseeeee
9. ctricity If supply power with DC 48V please connect GND terminal with protection GND OV terminal with high potential cable and 48V terminal with low potential cable Make sure you follow above statement and assure firm installation and no open circuit If supply power with AC 220V please use power cord Power indicator PWR is ON after turning on electricity 5 3 3 Button usages and switch configurations Assure there are no alarms for optical interface after turning on electricity If correctly connect optical interface alarm of LOS LOF and E 3 will not occur E 6 might be yellow after first turning on electricity Because ultrashort jitter of electricity will cause slight bit errors Test bit error Use 2M Tester to test every E1 error bit level tested through tying in loopback control switch of front panel please refer to chapter two Shield unused E1 alarm If there is no any alarm in connected E1 links but still have unused E1 branches LOS alarm indicator of unused E1 links called as unused E1 alarm is ON Press MASK button in to clear all the unused E1 alarm and all the LOS alarm indicator of E1 tributaries are OFF If disconnection occurs in linked E1 branch the LOS indicator of this branch will be still on after shielding unused E1 alarm If recover power supply after turning off it the shield function is disabled Should press button out and then press it in again Set off or mute alarm Press RI
10. e which will be used Assure no short or open circuit The method of making cable refers to appendix A Assure that voltage is within work condition Prepare bit error tester and optical power meter used for testing cable quality If use 1200 balanced signal interface please modify the switch setting at the bottom of equipment Lay the equipment on steady and safe place and note environment demands 5 3 Installation Process 5 3 1 Method of cable connection 1 interface Suggest connecting coaxial adapter with SYV 75 2 2 coaxial cable or connecting DB37 interface with twisted pair Ethernet interface Use CAT5 straight or cross over twisted pair Optical interface Plug SC patch fiber into optical interface push hard until to end If not sure about transmission direction please plug the fiber before turning on the power of device Auxiliary data channel If need to use auxiliary data channel connect it with RS232 cable Please avoid plugging hot swap NM network management function Connect LINK UP interface with PC serial port under the condition of turning off electricity Switch setting of front panel Configure switches of front panel as per user requirements under the condition of turning off electricity Please do not modify other switches except for loopback test switch after turning on electricity 14 AA SECOM Raisecom Technology Co Ltd 5 3 2 Electrify Implement above operations before turning on ele
11. eeeeeeeeeeeeeeeeeeeeeeeeees 6 3 2 E1 Ethernet interface technical mndicator 6 3 3 Optical interface technical Imdicator 6 34 Auxillary data channel ug 2egieeag deeg isk ass dhe add ears EEEa AA EEE AE LEENE 6 3 5 e Ee e whee nies econ tent ne eee iad ha ee ee 6 3 6 Environment requirement ieee nee neeeee 7 SN EE 8 4 1 Introduction of front panel cee ceecccceccee cess ceeceeeeeeeeeeee ceceaaeeeeeeseeeseeaaeeaeeeeeeeesenccieaeeeeeesesseneaees 8 AAAs Ge line ee 8 AT Alam INGICAOP ET 8 4 1 3 Switch configuration of front panel default setting is OFF ccccceeeseeeeeeceeeeeseeeeeeeeees 8 4 1 4 Function Button buttons of default settings are all pressed out 11 4 1 5 NM network management Interface 11 4 2 Introduction of back panel cccececececeeeeeeceeceeeeeeee eee ceeeaeeceeeeeeeeeeceesaaeeeeeeeeseseeceaeaeeeeeeeeteaas 12 4 2 1 Power Interface and Switch 12 42 2 Auxiliary Data Channel cccccccci ctssscceescns cscteasveae eansuaesdentenetteedeavadetinerdbasanaeseeaendsetengesecevanns 12 4 2 3 NEE LEE 12 WE E RI le 12 A25 Optical un CT 12 4 3 DIP Switch of device ON bottom 13 9 Installation Ang he EE 14 e MMStAN ATOM EE 14 5 2 Reparation before mstallaton nnt ttE rtnn rennene rennet 14 D3 Installation ele 14 5 3 1 Method of cable Conpechon 14 5 927 Electri ann ee eens eee te eE eee 15 5 3 3 Button usages and switch confgurations 15 6 Me tee er Lu DE 1
12. ial adapter Suggest using SYV 75 2 2 coaxial cable The longest distance is less than 200 meters Take CC3 K3 plug out fittings and screw off protecting sheath Split the core and shielded layer of coaxial cable Protecting sheath iron collar and cannulation 03 cover onto cable Firmly weld core and CC3 K3 Wrap CC3 K3 plug in protecting sheath of cable Hold and press iron collar by press pincher Wrap CC3 K3 and line in cannulation which is contracted and fastened by heat Fix protecting sheath 120ohm DB37 male connector is defined as following mae e 17 Branch 2 Branch 3 Branch 4 Branch definition OUT 3 4 HRZ 110 12 150 16 IN 21 22 25 26 29 30 33 34 Other pin GND A 2 Cable of Ethernet Use Cat 5 twisted pair to connect the equipment Please note the twisted pair is less than 100 meters The 17 PIN The 8 PIN Can choose parallel or cross line RJ45 line order is as following Pin 1 2 3 4 5 6 7 8 number Definition TX TX RX Not Used Not Used RX Not Used Not Used A 3 RS232 cable of data channel Auxiliary data channel adopts RJ45 connector whose pins definition are as following 3 RXD 6 TXD AT 5 GND others 232 signal input 232 signal output Unassigned 17 AA SECOM Raisecom Technology Co Ltd Line orders between RS232 RJ45 and PC serial port DB9 female connector are as following RJ45 DB9F 3
13. k management Interface Connect NM interface LINK UP with computer serial port Could select interface mode between RS232 and RS485 LINK UP uplink interface RJ45 with RS232 or RS485 standard bit rate 19 2Kbps Line order refers to appendix A AA SECOM Raisecom Technology Co Ltd 4 2 Introduction of back panel fii a S poo e LS RN Figure the back panel of RCMS2304 120 4 2 1 Power Interface and Switch AC supply adopt standard three phase electric socket with 220V DC supply adopt power interface with 48V Connect left interface with 48V right with OV and middle with protection GND Switch can control power supply 4 2 2 Auxiliary Data Channel RS232 interface adopt RJ45 Line order refers to appendix A 4 2 3 Ethernet interface Connect each RJ45 with relevant one Ethernet link Line order refers to appendix A Each port is 10 100Mbps auto adaptive Possess auto learning cross line function Support parallel line or cross line to connect with Ethernet equipment 4 2 4 E1 interface A DB37 male connector on the back panel provides 1 4 E1 branch ports The instruction of line connection refers to appendix A If adapt 750 connection mode require to connectDB37 with eight adaptors of CC3 coaxial interfaces which type is CC4B 8G After connection there are 4 E1 branches from left to right where the above row is signal output OUT and bottom row is signal input IN
14. nsmit data alarm is flashing 100M green 100Mbps ON 10Mbps OFF FDX COL green alarm is ON under full duplex mode and OFF under half duplex mode 4 1 3 Switch configuration of front panel default setting is OFF AA SECOM Raisecom Technology Co Ltd The purpose of switch is for E1 remote loop back test fault transfer Ethernet packet length configuration duplex configuration insulation function configuration of Ethernet ports selection between 232 and 485 of NM ports selection between local and remote NM 6 bits DIP switches on left side 7 bit enable disable loop back d Loop back OFF Disable ON Enable 2 4 bit loop back selection at remote end on an au Loop back OFF OFF OFF 1 E1 OFF OFF ON 2 E1 OFF ON OFF 3 E1 OFF ON ON 4 E1 Note Loop back selection only can configure one test method single E1 channel loop back When enable loopback function loopback selection is valid if there is no any alarm If single E1 channel loop back is testing the other branches are working without any disturbance El Bit error tester Multiplexer Local Remote Figure sketch map of setting local loop back at local end Note When set loop back at local end DIP switches 1 4 of Ethernet multiplex at remote end should be default state OFF 5 bit Enable or disable fault transfer function If disable fault transfer function it com
15. on function of Ethernet port 5 e Definition OFF OFF 1 4 can communicate each other default setting OFF ON 1 4 Ethernet port isolated on local end ON OFF 1 4 port isolated oppositely both on two sides with TAG ON ON 1 4 port isolated oppositely both on two sides without TAG Communicate means all users at 4 Ethernet ports of local end can communicate either each other or with users at remote end Isolated on local end means users at 4 Ethernet ports of local end isolate each other but can communicate with users at remote end isolated oppositely on two sides means the 1 port of local end can communicate with the 17 port of remote end the 2ng port of local end can communicate with the 2 port of remote end the 3 port of local end can communicate with the SC port of remote end and the 4 port of local end can communicate with the 4 port of remote end Whether add TAG target or not as per users requirement If enable this function require to configure both ends to isolated oppositely on two sides simultaneously 7 bit NM control RS232 485 selectable switch 7 NM control selection OFF RS232 control ON RS485 control If connect NM port of connection device LINKUP with computer serial port whether use RS232 standard or RS485 standard as per the standard of computer serial port Otherwise computer serial port cannot communicate with this equipment
16. plies with AIS function of traditional multiplexer If E1 receiving signals on remote end are loss the E1 outputs of local end are all 1 while if optical signals of local end are loss all E1 outputs are all 1 at local end Fault transfer function is designed for user having special demands If occur signal loss on any direction of optical interface after enabling fault transfer function El interface on both side do not output HDB3 code Signal loss will occur at E1downterminal equipment but not AIS alarm 5 bit Fault transfer function switch OFF Disable comply with AIS of traditional multiplexer ON Enable e 6 bit setting for Ethernet data frame length AA SECOM Raisecom Technology Co Ltd 6 bit Ethernet data frame length setting ON 1916 byte OFF 1536 byte 8 bit DIP Switches on right side if auto negotiation on from 17 through 4 Ethernet port set duplex mode Note supports 10 100Mbps auto adaptive Ethernet port and full half duplex auto negotiation Auto negotiation fail set duplex mode of port referring to the 4bits switches Auto negotiation success working on full duplex mode foreign to 4 bits switches setting Definition 4st pnd grd ath OFF Full duplex OFF Full duplex OFF Full duplex OFF Full duplex ON Half duplex ON Half duplex ON Half duplex ON Half duplex The 5 and 6 bit of Ethernet port enable or disable insulati
17. upply DC 48V Voltage 36V 72V AC 220V Voltage 165 265V Power consumption 25W under full load condition AA SECOM Raisecom Technology Co Ltd 3 6 Environment requirement Temperature 0 45 Relative Humidity lt 90 25 AA SECOM Raisecom Technology Co Ltd 4 How to use 4 1 Introduction of front panel Optical Alarm El LOS Ethernet Dip ewitch Indicator Function NM Button Power RAISECOM MS2004 120 snens Reg A8 H m IO lt ii CC e RCMS2304 120 front panel 4 1 1 Power indicator Power indicator Green If power is in good condition it is ON 4 1 2 Alarm indicator GL general alarm GL general alarm indicator red If a certain alarm occurs at local end GL indicator is ON If a certain alarm occurs at remote end GL indicator is flashing Optical interface alarm include local and remote end L local end R remote end LOS red If lose receiving optical signal alarm is ON LOF red If lose receiving optical frame alarm is ON E 3 red If optical receiving signal bit error exceeds 10 alarm is ON E 6 yellow If optical receiving signal bit error exceeds 10 alarm is ON E1 loss include local and remote end L local end R remote end LOS1 4 red If E1 branch lose receiving signal alarm of relevant branch is ON Ethernet indicator 4 links indicator correspond to 4 Ethernet ports LNK ACT green If connection is normal alarm is ON If receive or tra
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