(Rev. M) User Manual
Contents
1. cccccceseceeceeeceeeceeeeeeeeeeeeeeesaaeeeeeeeeeeeesaaaacseeeeeeeeeasaanseeees 10 5 Installation and Test U l l dana ck decussate dada lt cusdovwudee AKEE AARAA E Oa EASA RAR 11 5 1 Inspect after Opening ar 11 5 2 Preparation before Installation n nn 11 5 3 Installation Procedure essersi anuani EEE A NEENA EAEE NEEE TrA EEEE 11 5 3 1 Connecting Cabl es u uu uuu aa aaa aE EAEE a aA EEEE Eaa ESSEEN iaa ma 11 5 3 2 Applying the Power Supply a nn 11 5 3 3 Configuring Buttons and Switches ns rrn 12 TrOUDIESHOOLNG uuu lll akaspapas nen Sera 13 Appendix A Introduction of Cable Making n rsssssssssssssssssse 15 oi o TT TT ES 15 A 2 Computer Serial Cable Making r 15 AA SECOM Raisecom Technology Co Ltd 2 Overview 2 1 Introduction RC801 803 805 480B series fiber optic multiplexers are ideal fiber optic transmission devices for point to point networks medium sized and small capacity networks such as wireless communication base stations private communication networks and switching networks The transmission capacity of RC800 480B is 16 E1 channels equivalent to 480 voice channels 2 2 Main Features e Very large scale ASIC chips ensures low power consumption 4 layer PCB ensures high reliability e Complet2. Ss PaAramelers eonna aS EEE E AAA 5 3 1 E1 Interface Specification a a EEEren 5 3 2 Optical interface characteristic a 5 3 3 Power Supply oireeseesi Ta DADE casada nada co faa aaa qa aaa edna MRS Ea mana Sd aa 5 3 4 AMDIENCO RPPN RR RN RN RIR DR E 5 45 HOW TO USC u u iu aus aa DADAS t da and On YP aq igu watakuspa uiay 6 4 1 Introduction of the Front Panel terrena aerea aeee anna 6 4 1 1 Power indicator esos E EEEE AE O EEEa a E 6 4 1 2 eN ele s a E E OR E RR DUNN RS CREDOR ART sita 6 4 1 3 DIP switch SW1 Setup All OFF by Default rr 6 4 1 4 DIP switch SW2 Setup All OFF by Default renan 8 4 1 5 Function Buttons All High Position by Default r 8 4 1 6 Optical Portia aaa naasusaaqqaayqusayayipaqya syigsaipskaBaqayayyaaqsayasuuaqayayqkuwaysyasapayy an 9 4 1 7 Network Management Port nn nn i iii erent 9 4 2 Introduction of the Rear Panel Y 9 4 2 1 Power WIC IN ss ns nn uum rete hs mas te ond ea anes shu sa o a SS A ees 9 4 2 2 Power Socket uuu uu scence uuu usss a wed ede cadet ee lean sae asad due uedede odo saiu sadio Gage cidenia datas 9 4 2 3 ET terf806u uuu uuu etic iii u uu a iol nts unc a a eee 9 4 3 DIP switch on the Bottom Panel
3. indicate the type of power supply For example RC801 480B S1 AC indicates AC 220V power supply RC801 480B S1 DC indicates DC 48V power supply When interconnecting the fiber optic multiplexers it is suggested that follow the rules below The modular multiplexer shall be installed into host site chassis Host site module or Remote site module standalone RC802 240B S1 combined RC801 480B S1 3 AA SECOM with RC802 240BS Raisecom Technology Co Ltd RC802 240B S2 combined with RC802 240BS RC801 480B S2 RC802 240B S3 combined with RC802 240BS RC801 480B S3 RC804 240B S1 with RC802 240BS combined RC805 480B S1 RC804 240B S2 combined with RC802 240BS RC805 480B S2 RC801 480B S1 RC801 480B S1 RC801 480B S2 RC801 480B S2 RC801 480B S3 RC801 480B S3 RC803 480B S1 RC805 480B S1 RC803 480B S2 RC805 480B S2 Note the above interconnection rules are the most common ones that modular multiplexers work in pairs with standalone versions The remote network management can also be implemented when standalone multiplexers are deployed at both sites 2 4 Dimensions Compact 19 inch standard 1U high chassis 440mm W x 43 6mm H x 180mm D AA SECOM Raisecom Technology Co Ltd 3 Parameters 3 1 E1 Interface Specification Bit rate 2048Kbps 50ppm Line code HDB3 Impedance of interface 75Q unbalanced or 1200 bal
4. port of last multiplexer shall be left Afterwards equipment address codes must be set in order to identify each equipment Please refer to the instruction of setting SW2 The address codes must be different from each other 5 3 2 Applying the Power Supply If power supply PS is DC 48V first connect middle end to PGND Turn off PS connect 48V end with the lower electric level cable OV end with higher electric level cable Make sure no reverse connection or no short circuited and then turn on power If PS is AC 220V use the PS line in the accessories 11 AA SECOM Raisecom Technology Co Ltd When PS is turned on the PWR indicator should be on 5 3 3 Configuring Buttons and Switches After turning on power of the device first ensure there is no alarm on optical port If optical ports are connected properly there shall be no LOS LOF and E 3 alarm The E 6 yellow may be on the moment when the power is just turned on This is because turning on the power causes jitters which results in a few bit errors After 10 seconds E 6 will be off This indicator refreshes in every 10 seconds e Bit error rate test Using 2M bit error tester as well as loop back switch of front panel can test the bit error level of E1 channel See Chapter 4 e Mask unused E1 channel alarm If the connected E1 links are working in good condition without any signal loss while there is still another unused E1 link the LOS alarm for unuse
5. 0000000 MM O O O Figure1 Sketch of the front panel of RC800 480B 4 1 1 Power indicator PWR green On when built in power is working properly 4 1 2 Alarm indicator Alarm indicators of both local and remote side can be displayed The row above L indicates local The row below R indicates Remote e General alarm GL general alarm indicator red Any of alarm generated will make GL general alarm indicator on e LOS for E1 link LOS1 16 E1 link red when receiving signals of any E1 channel is lost alarm indicator turns red e Alarm of optical port LOS link loss alarm red When receiving signals are lost the alarm indicator turns on LOF frame synchronization loss alarm red When optical receiving frames lose synchronization the alarm indicator turns on E 3 bit error alarm red ON when the receiving bit error rate exceeds 10 E 6 bit error alarm yellow ON when the receiving bit error rate exceeds 10 4 1 3 DIP switch SW1 Setup All OFF by Default DIP Switch SW1 on the front panel is used for setting of loop back test and saving the configurations OFF e 1 5 Loop back a 1 bit 2 bit 3 bit 4 bit 5 bit Loop back OFF OFF OFF OFF OFF No loop back OFF OFF OFF OFF ON 1 E1 AA SECOM Raisecom Technology Co Ltd OFF OFF OFF ON OFF 27 E1 OFF OFF OFF ON ON 3 E1 OFF OFF ON OFF OFF 49 E1 OFF OFF
6. FF Read from the saved configurations when booting ON Not read from the saved configurations when booting 4 1 4 DIP switch SW2 Setup All OFF by Default SW2 is the switch for address code setting When all OFF the equipment can be remote managed otherwise it can be managed OFF locally through LNK UP port The addresses shall not be the same for the equipment cascaded at one serial port There are 4 bits of this ON switch so that the max number of local cascade equipment is 15 The following table shows the mapping of SW2 to address codes 1 pit 2 pit 37 bit 4 pit Address Code OFF OFF OFF OFF Remote device OFF OFF OFF ON The 1 device OFF OFF ON OFF The 2 device OFF OFF ON ON The 3 device OFF ON OFF OFF The 4 device OFF ON OFF ON The 5 device OFF ON ON OFF The 6 device OFF ON ON ON The 7 device ON OFF OFF OFF The 8 device ON OFF OFF ON The 9 device ON OFF ON OFF The 10 device ON OFF ON ON The 11 device ON ON OFF OFF The 12 device ON ON OFF ON The 13 device ON ON ON OFF The 14 device ON ON ON ON The 15 device 4 1 5 Function Buttons All High Position by Default e GLLCK GL CLR Global alarm lock Global alarm clear button When button is low the GL is on Global alarm lock mode The GL indicator will not off once turned on until alarms are cleared When button is high the GL is on Gl
7. ON OFF ON 5 E1 OFF OFF ON ON OFF 67E1 OFF OFF ON ON ON 7 E1 OFF ON OFF OFF OFF 8 E1 OFF ON OFF OFF ON 9 E1 OFF ON OFF ON OFF 10 E1 OFF ON OFF ON ON 117 E1 OFF ON ON OFF OFF 12 E1 OFF ON ON OFF ON 13 E1 OFF ON ON ON OFF 14 E1 OFF ON ON ON ON 15 E1 ON OFF OFF OFF OFF 16 E1 ON ON ON ON ON All E1 links Note Only two test method can be set single E1 channel loop back or all E1 channels loop back When single E1 channel loop back is testing the other channels are working without disturbance e 6 bit loop back type options This switch is used to choose remote loop back or local loop back when performing the E1 loop back operations 6 bit Loop back type option OFF Remote loop back enable ON Local loop back enable Multipl ui E1 Local Remote Figure2 sketch map of setting remote loop back on local site Multipl Multipl E u E1 Local Remote Figure3 sketch map of setting local loop back on local site Note When any loop back is set on local site 1 5 loop back DIP switch of remote site must be all off not loop back e 6 bit Reserved e 7 bit Saving the configurations OFF when rebooted the equipment will read from the saved configurations 7 AA SECOM Raisecom Technology Co Ltd ON when rebooted the equipment will not read from the saved configurations 6 bit Switch for saving configurations O
8. RA SECOM RC801 803 805 480B 16E1 Fiber Optic Multiplexer Rev M User Manual Raisecom Technology Co Ltd 04 2005 P A 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 RC800 480B series optical multiplexer 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 RC800 480B series fiber optic multiplexer 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 ta CAULONS siira a u aguas tate E Bese ich eens ead sees ek Bee ic etd eee 1 Ze OVERVIEW saias casais usan kukpash uywas AERES EEEE AAA EE Sie eee ere ae es 3 2 1 Iniru ayu xu Si RO u P RT ER RO RR RR a 3 2 2 Main Features U L e aE EEEE E EERS AN AEE E EN EEA 3 2 3 Part Number InfroduchON uuu L L k boos EAER 3 2 4 DIMENSIONS uuu aeeie ana e E E EEEE EAEEREN 4
9. anced Electrical characteristics complies with ITU T G 703 Transfer characteristics complies with ITU T G 823 Input jitter tolerance complies with ITU T G 823 3 2 Optical interface characteristic Bit rate 100Mbps Line code 4B5B Fiber connector SC Part Number Connector Wavelength Launch Receiving Over Transmission Link Loss Type nm Power Sensitivity load Distance dB Km dBmW dBmW point Km dBmW RC801 480B S1 DSC 1310 15 8 lt 34 8 0 25 0 5 RC801 480B S2 DSC 1310 5 0 lt 34 8 10 60 0 5 RC801 480B S3 DSC 1550 DFB 5 0 lt 36 10 15 120 0 25 RC803 480B S1 SC PC 1310 12 3 lt 30 8 0 25 0 5 RC803 480B S2 SC PC 1310 5 0 lt 32 8 10 50 0 5 RC805 480B S1 SC PC 1550 12 3 lt 30 8 0 25 0 5 RC805 480B S2 SC PC 1550 5 0 lt 32 8 10 50 0 5 3 3 Power Supply DC 48V range from 36V to 72V 24V range from 18V to 36V 24V range from 18V to 36V AC 220V range from 165V to 265V Power consumption lt 15W 3 4 Ambience Working temperature O 45 Relative humidity lt 90 25 Aa SECOM Raisecom Technology Co Ltd 4 How to use 4 1 Introduction of the Front Panel GL Dip switch Optical Interface Function Button Optical Alarm NM Interface Power LOS on E1 m um m Mok m Mik mm mia uw mo Bane Beek E wra muma t ux 10000 ET ERES SEER t 2 3 40 TR hihid 12 id o 990000990
10. chnology 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 16
11. d E1 link may occur which is called unused E1 alarm Press MASK UNMASK button on to clear all the unused E1 alarm and all the E1 LOS alarm indicators will be off In the case unused E1 link alarm being masked if the connected E1 sub channel is disconnected the LOS indicator of this sub channel will still be on If power supply is cut off and turned on again then the mask function will be disabled Press button to off and then pressed to on again If after a period of operation a new E1channel is needed first disable the mask function and then connect E1 link e Turn on the alarm ring Press the button ON of RING MUTE to make alarm ring available In this time if there is any one alarm indicator on it will ring like ZI Z1 e GL alarm indicator lock optional When there is no alarm indicator on press GL LCK GL CLR to ON global alarm lock function is configured as enable If there is any alarm then the global alarm indicator will keep on When all other alarm are eliminated press the button of GL LCK GL CLR to OFF to clear the GL alarm indicator When the GL LCK GL CLR button is OFF also called real time display i e if there is other alarm the global alarm is on if there is no other alarm the global alarm is off In the unstable voltage environment there are often instantaneous alarms for voltage waving In this environment it is not suitable for operating the GL a
12. e alarm indication that can display local and remote alarms simultaneously e Alarm lock memory and E1 channel loop back test capabilities implements convenient operation and maintenance e Capable of local and remote network management providing 4 bit address switch e The transmission capacity is 16 E1 channels 2 3 Part Number Introduction RC800 480B Series standalone fiber optic multiplexers include the following models Part Number Description RC801 480B S1 Remote site standalone 16 E1 1 optical interface dual strand single mode DSC 0 25 km RC801 480B S2 Remote site standalone 16 E1 1 optical interface dual strand single mode DSC 10 60 km RC801 480B S3 Remote site standalone 16 E1 1 optical interface dual strand single mode DSC 15 120 km Remote site standalone 16 E1 1 optical interface single strand single mode SC PC RC803 480B S1 4340nm TX wavelength dual wavelength 0 25 km RC803 480B S2 Remote site standalone 16 E1 1 optical interface single strand single mode SC PC 1310nm TX wavelength dual wavelength 10 60 km Remote site standalone 16 E1 1 optical interface single strand single mode SC PC buna a ss 1550nm TX wavelength dual wavelength 0 25 km 1 Remote site standalone 16 E1 1 optical interface single strand single mode SC PC uuaukasia 1550nm TX wavelength dual wavelength 10 60 km Generally it is required to add a suffix to the part number to
13. ed Or check the receiving optical power with optical power test meter it should be greater than receiving sensitivity specification e LOF red indicator of optical port is on Answer Loss of frame synchronization of receiving signal at optical port In this case optical signal has been received but the optical power may be near threshold value of sensitivity Check RX optical power and ensure whether the sending optical port TX of remote site is connected e E 3 red indicator is on at optical port Answer The bit error of optical RX signal is greater than 10 Check if optical RX port connects well and RX optical power e E 6 yellow indicator of optical port is on Answer The bit error of optical RX signal is greater than 10 It is normal that E 6 alarm occurs for 10 seconds just after turning on the power after 10 seconds the E 6 indicator will be off If E 6 alarm occurs during operation check whether optical RX port connects well and RX optical power AA SECOM Raisecom Technology Co Ltd e LOS red indicator of E1 sub channel is on Answer Loss alarm of RX signal at E1 sub channel no HDB3 signal is received Check whether all E1 ports are connected well or whether 75 O cables are reversely connected or whether the wires of 75 O cables are in right order If LOS alarm occurs at unused E1 sub channel press mask button to on to musk the alarm after finishing the configuration of device Mask button is on but the
14. erface Left pin for 24V right pin for 0 and the middle pin for ground DC 24V power interface Left pin for OV right pin for 24V and the middle pin for ground The protecting ground provides protection for the shielded layer of E1 signal cables If users do not have protecting ground they can connect this pin to OV 4 2 3 E1 Interface There are 4 DB37 male connectors providing the 1 16 E1 channels interfaces Please refer to Appendix A 1 for cable making e When adopting 75 Ohm connector it is required to plug a DB37 to 8 CC3 coaxial adapter which is of CC4B 8G type The upper row is for OUT signals and the lower row is for IN signals e tis not required to plug adapters when adopting 120 Ohm connector 9 FRA SECOM 4 3 DIP switch on the Bottom Panel Raisecom Technology Co Ltd The dip switch can be set by small flat screw driver ON There are 16 groups of dip switches on the bottom panel Each group of dip switch corresponds to one E1 interface OFF Definition as shown below 1 st ond gid qin 1 st ond gid 4 ON ON ON OFF Or OFF OFF OFF ON 750 unbalanced signal effective 1200 balanced signal effective As shown in figure above the default status is set as 750 unbalanced signal BNC interface effective It is suggested that users should use BNC connector for 75 Ohm unbalanced signal and RJ45 connector for 120 Ohm balanced signal AA SECOM Raisec
15. larm lock function AA SECOM Raisecom Technology Co Ltd 6 Troubleshooting If there are any problems during installation and using try the following proposals If the problems still can not be solved please contact distributors agents for help The following explanations and solutions for alarms at optical ports and LOS alarms at E1 ports are used to handling local alarm problems For remote end alarms please handle them at remote site Green PWR indicator not on Answer PS faults Check whether PS is working properly and 48 PS connection is not reversed GL global alarm red indicator on Answer there are three different cases 1 If there are other alarms on please solve corresponding problem and then clear GL 2 If there is no other alarm indicators but only GL alarm on and GL LCK button is on This means there was once other alarm on in this case can clear GL alarm 3 If all other alarms are OFF and the GL LCK button is also OFF but GL alarm indicator still flash or on and there is a HDB3 coding violation alarm in E1 receiving signals There is problem that E1 link is too long to bring too much disturbance so the signal attenuation is beyond 6dB We can test the level of bit rate when this E1 link connecting with RC801 480B LOS red indicator of optical port is on Answer Loss of receiving signal occurs at optical port Check whether the input fiber RX is connected well and ensure not revers
16. obal alarm clear mode e MASK UNMASK Low Mask unused E1 s alarm High Unmask unused E1 s alarm e RING MUTE Alarm ring enable disable button Low Enable alarm ring When there is alarm the zi zi alarm rings High Disable alarm ring but the service phone still rings AA SECOM Raisecom Technology Co Ltd 4 1 6 Optical Port e The fiber connector is DSC PC for dual strand models TX for signal output and RX for signal input e The fiber connector is SC PC for single strand models 4 1 7 Network Management Port e LNK UP shall be connected to the serial port of computer or LNK DWN port of up level equipment when cascading The RJ45 socket complies with RS 232 standard with bit rate of 19200bps e LNK DWN shall be connected to the LNK UP port of low level equipment The RJ45 socket complies with RS 232 standard with bit rate of 19200bps Please refer to Appendix A 2 for the sequence of serial cable between LNK UP and computer serial port Please use RJ45 RJ45 straight through cable to connect LNK DWN and LNK UP ports 4 2 Introduction of the Rear Panel m ei nee o ES o o TES O o Ca Figure 4 RC800 480B standalone PDH multiplexer 4 2 1 Power Switch This switch is used to turn on off the power supply 4 2 2 Power Socket AC 220V standard triple phase power socket DC 48V power interface Left pin for 48V right pin for O and the middle pin for ground DC 24V power int
17. om Technology Co Ltd 5 Installation and Test 5 1 Inspect after Opening Please first check if the models and part numbers are in consistence and also check if the equipments are damaged 5 2 Preparation before Installation e Carefully read this manual Prepare all kinds of the cable Ensure that they are not short circuited Refer to Appendix A for cable making Ensure the pressure of power supply is in the tolerance range the chassis is well connected with the ground Prepare the BERT and optical power meter for test of line quality Change the dip switch setting on the bottom panel if 120 Ohm balanced signal interface is required Fix the equipment on to 19 inch rack or place the equipment at stable and secure environment Pay attention to the requirements of the ambience 5 3 Installation Procedure 5 3 1 Connecting Cables e 1 port It is suggested that users use SYV75 2 2 coaxial cables to connect the BNC connector Or use twisted pair to connect the DB37 connector e Optical interface Plug the SC fiber tail into optical interface push hard until to the deep end If not sure about transmission direction it s advised first to turn on the power of device and then plug in the fiber cable e Network management port Connect the serial port of computer to LNK UP port If several multiplexers have been cascaded the LNK DWN port shall be connected to the LNK UP port of lower level multiplexers The LNK DWN
18. re is still alarm in unused E1 sub channel Answer probably the mask function is disabled if power supply is cut off and then turned on To solve is by pressing the mask button to OFF and then pressing to on to enable mask function 14 AA SECOM Raisecom Technology Co Ltd 7 Appendix A Introduction of Cable Making A 1 E1 Cable e Rc800 240B E1 cable including SUBM 4E1 75 Ohm signal adopts DB37 coaxial adapter SYV 75 2 2 coax cable the distance shall not be longer than 200m First pick out the CC3 K3 connector from the accessories and release the tail protecting jack Secondly separate the core from the shield and put the tail protecting jack on it Solder the strand with the core of the CC3 K3 connector Solder the cable shield with the shield of the CC3 K3 connector Finally fix the jack at the end of the connector 120 Ohm signal adopts DB37 male connector mainte 1 t Channel 2 Channel 3 Channel 4 Channel OUT 3 4 7 8 11 12 15 16 IN 21 22 25 26 29 30 33 34 Others GND A 2 Computer Serial Cable Making Computer serial port LNK UP adopts RJ45 connector The definition of pins 3 FXxD 232 signal input 7 TXD 232 signal output 4 8 GND Others hang on The sequence of the cable for connection between LNK UP port RJ45 and computer serial port DB9 female connector is as follows RJ45 DB9F 3 3 7 2 4 8 5 AA SECOM Raisecom Te
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