User Manual
Contents
1. 10 3 Installation and estu uuu n agaad TO SANA Rd do aca dani a dna SEA Segui ieee acata 11 5 1 Inspect after Opening aaa evenaart ss qaqa rainat aana enana aT aa wawa ENEE nE EEEa 11 5 2 Preparation before Installation a 11 5 3 Installation Procedure u testes diet nad u ae eather dees a SAS 11 5 3 1 Connecting Cables visas sccescszesccasasseeecdidec ences iaa Ee aqhaqa yaa iuawklkaqqassykyqktueshayaaqhu eres 11 5 3 2 Applying the Power Supply n 11 5 3 3 Configuring Buttons and Switches r 12 Troubleshooting esscr l maana G EEA 13 Appendix A Introduction of SUBM 4E1 Sub module ra 15 TT TT TT ahasandabayawashuqa deeds 15 B 2 Computer Serial Cable Making n r 15 AA SECOM Raisecom Technology Co Ltd 2 Overview RC801 803 805 240B 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 basic transmission capacity of RC800 240B is 4 E1 channels and the max is 8 E1 channels equivalent to 240 voice channels 2 1 Main Features e Very large cale ASIC chip2. 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 The default status is set as 750 unbalanced signal CC3 interface effective Note SUBM 4E1 can only be installed in Slot 1 of RC800 240B Slot 2 shall be empty Slowly insert the SUBM 4E1 along the slot and fix it tightly with the screw Installed adapters as per requirement and connecting cables Appendix B Introduction of Cable Making B 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 seh 1 Channel 2 Channel 3 Channel 4 Channel OUT 3 4 7 8 TAF 15 16 IN 21 22 25 26 29 30 33 34 Others GND B 2 Computer Serial Cable Making Computer serial port LNK UP adopts RJ45 connector The definition of pins 3 RXD 232 signal input Raisecom Technology Co Ltd RA SECOM 7 TXD 232 signal output 4 8 GND Others hang o
3. 4 3 DIP switch on the Bottom Panel The DIP switch can be set by small flat screw driver ON Each group of dip switch corresponds to one E1 interface Definition as shown below OFF 1 st ond gid qin 1 st ond gid 4 ON ON ON OFF Or OFF OFF OFF ON 75Q unbalanced signal effective 1200 balanced signal effective As shown in figure above the default status is set as 75Q 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 Raisecom 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 e 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
4. 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 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 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
5. 220V range from 165V to 265V lt 15W Working temperature O 45 Relative humidity lt 90 250 AA SECOM Raisecom Technology Co Ltd 4 How to use 1 Introduction of the Front Panel GL Dip switch Optical Interface LOS on E1 Function Button Optical Alarm NM Interface a um Dam Jallu as Juma BE mim LOS LOS NANA TX mx 19 00000000 10090 O o 19 00066656 pm El O O Q 0000 Figure1 Sketch of the front panel of RC800 240B 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 L row indicates local The R row 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 8 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 sav
6. 220V power supply DC DC 48V power supply Note RC801 standalone fiber optic multiplexer shall work in pairs RC803 and RC805 must cooperate in pairs One RC803 must work with one RC805 2 3 Dimensions Compact 19 inch standard 1U high chassis 440mm W x 43 6mm H x 235mm D RA SECOM 3 Parameters 3 1 E1 Interface Specification Bit rate Line code Impedance of interface Electrical characteristics Transfer characteristics Input jitter tolerance 2048Kbps 50ppm HDB3 Raisecom Technology Co Ltd 75Q unbalanced or 1200 balanced complies with ITU T G 703 complies with ITU T G 823 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 240B S1 DSC 1310 15 8 lt 34 8 0 25 0 5 RC801 240B S2 DSC 1310 5 0 lt 34 8 10 60 0 5 RC801 240B S3 DSC 1550 DFB 5 0 lt 36 10 15 120 0 25 RC803 240B S1 SC PC 1310 12 3 lt 30 8 0 25 0 5 RC803 240B S2 SC PC 1310 5 0 lt 32 8 10 50 0 5 RC805 240B S1 SC PC 1550 12 3 lt 30 8 0 25 0 5 RC805 240B S2 SC PC 1550 5 0 lt 32 8 10 50 0 5 3 3 Power Supply DC AC Power consumption 3 4 Ambience 48V range from 36V to 72V
7. RA SECOM RC801 803 805 240B 8E1 Fiber Optic Multiplexer Rev M User Manual Raisecom Technology Co Ltd 04 2005 gt gt 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 240B 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 240B 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 To SC gt 0 0 een ee uu ene ene ED DG sus sawam aasawa ASR R DS a eres mama 1 2 VOT VOW Z uu u aa A UE Pease vd baat Cena dado Rap gad base caga espns ada 3 2 1 Main Features uu u u u u D Sa ats sss ana 3 2 2 Part Number Introductio uuu ull lu n u ua E EE EEE 3 2 3 DIMENSIONS LA ASS pesa ISOa S ada da situiteuussstacde dveusundtdenadaesdbeaduatevesdeeees
8. ad from the saved configurations when booting ON Not read from the saved configurations when booting AA SECOM Raisecom Technology Co Ltd 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 locally through LNK UP port The addresses shall not be the same for the equipment cascaded at OFF one serial port There are 4 bits of this switch so that the max number of local cascade equipment is 15 ON 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 Global alarm clear mode e MASK NO MASK Low Mask unused E1 s alarm High No mask unused E1 s alarm e EN RING DIS RING 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 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 leve
9. econds the E 6 indicator will 13 AA SECOM Raisecom Technology Co Ltd be off If E 6 alarm occurs during operation check whether optical RX port connects well and RX optical power 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 there 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 SUBM 4E1 Sub module The SUBM 4E1 sub module can be installed into RC800 240B series standalone fiber optic multiplexers to provide the 5 8 E1 interfaces It is equipped with DB37 male connector Users can use 120 Ohm twisted pair cable directly or use additional adapter to convert the connector to CC3 coaxial connector There are 4 groups of 4 bit dip switches on the front panel They are used to set the interface type of the 4 E1 channels Definition as shown below
10. etouqens 4 d Paramo Secca EER NREN EEEE ATARE R 5 3 1 E1 Interface Specification riisi ea anin ass pasa ea ensais 5 3 2 Optical interface Characteristic a n 5 3 3 Power Supply u neneiia onttoa aaen ENE SEKE adia anda ca Nec AREE EOE EEE AEREE EEEE aa aeaa 5 3 4 AMDONCO oeio o DO RAR in iea e EE E E PO saa ssSonaca 5 4 HOW IG USC neocse EEA ENEE AATA ELLERS 6 4 1 Introduction of the Front Panel nn 6 4 1 1 PoWerindir gor u Z uwa u saan u a usss Shanka qa sbadaassestss 6 4 1 2 Alar mdc IOP II la SSS bodtviaa steeds RPEN cctstannineehedectudinniaantess a ani 6 4 1 3 DIP switch SW1 Setup All OFF by Default eres 6 4 1 4 DIP switch SW2 Setup All OFF by Default r rr 8 4 1 5 Function Buttons All High Position by Default a 8 4 1 6 Optical POM aac t u u E A E E 8 4 1 7 Network Management Port a nn in einen ete 8 4 2 Introduction of the Rear Panel rr 9 4 2 1 Power SWIC src inini a eeoa ai aesaad 9 4 2 2 Power Socket irnia ua almaman a E E EEEE ENEE EE Ea EEEE 9 4 2 3 EM Interface mennie n a e a natas a aT a a 9 4 2 4 The Expansion Slot 1 and Slot 2 a neaaararereee aaa ernn nee ene 9 4 3 DIP switch on the Bottom Panel
11. flexibility to satisfy users requirements The typical configurations are as follows Configuration Transmission Type SLOT 1 SLOT 2 Capacity Basic Capacity Empty Empty 4 E1 SUBM 4E1 Max Capacity sub module 5 Empty 8 E1 8 E1 channels oe Ethernet or V 35 occupy 5 E1 sub module Occupy Multi service channel e pena ray A Configuration Fast Ethernet interface sub module Empt occupy 5 8 E1 pty channels AA SECOM Raisecom Technology Co Ltd e RC800 240B basic capacity configuration 4 E1 Both Slot 1 and 2 are empty There is no interface for the 5 8 E1 channels e RC800 240B max capacity configuration 8 E1 SUBM 4E1 sub module is installed into Slot 1 It provides a DB37 male connector for the ph 8 E1 channels It can be connected with an adapter as the 1 4 channels Slot 2 must be empty e RC800 240B expanded configuration When Slot 1 is installed with a 1 E1 interface sub module e g Ethernet to 1 E1 converter sub module V 35 to E1 converter sub module it is actually the 5 E1 channel that be occupied If installing a two channel sub module it is actually the 5 and 6 channels that be occupied When Slot 2 is installed with a 1 E1 interface sub module it is actually the 8 E1 channel that be occupied If installing a two channel sub module it is actually the 7 and 8 channels that be occupied Slot 2 does not support 4 channel sub modules
12. his 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 reversed 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 s
13. ing the configurations Ore e 1 4 Loop back EN 1 bit 2 bit 37 bit 4 bit Loop back OFF OFF OFF OFF No loop back AA SECOM Raisecom Technology Co Ltd OFF OFF OFF ON 1 E1 OFF OFF ON OFF ont E4 OFF OFF ON ON 37 E1 OFF ON OFF OFF 4 E1 OFF ON OFF ON 5 E1 OFF ON ON OFF 6 E1 OFF ON ON ON 7 E1 ON OFF OFF OFF 8 E1 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 5 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 5 bit Loop back type option OFF Remote loop back enable ON Local loop back enable Multipl ut E1 Local Remote Figure2 sketch map of setting remote loop back on local site 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 4 loop back DIP switch of remote site must be all off not loop back e 6 bit Saving the configurations OFF when rebooted the equipment will read from the saved configurations ON when rebooted the equipment will not read from the saved configurations 6 bit Switch for saving configurations OFF Re
14. l equipment when cascading The RJ45 socket complies with RS 232 standard with bit rate of 9600bps 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 9600bps Please refer to Appendix B 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 AA SECOM Raisecom Technology Co Ltd 4 2 Introduction of the Rear Panel esse o do JB Figure 4 RC800 240B standalone PDH multiplexer 4 2 1 Power Switch This switch is used to tum 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 4 2 3 E1 Interface There is a DB37 male connector at the rear panel providing the 1 4 E1 channels interfaces Please refer to Appendix B 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 From the left is the 1 4 E1 channel 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 4 2 4 The Expansion Slot 1 and Slot 2 RC800 240B series provide two expansion slots for accommodating various kinds of expansion sub modules Thus they can provide great configuration
15. n The sequence of the cable for connection between LNK UP port RJ45 and computer serial port DB9 female connector is as follows DB9F RJ45 3 3 7 2 5 4 8 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 17
16. o 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 alarm 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 T
17. 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 3 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 unused E1 link may occur which is called unused E1 alarm Press MASK NO MASK 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 EN RING DIS RING 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 n
18. s ensures low power consumption 4 layer PCB ensures high reliability e Complete 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 RC800 240B series provides 2 expansion slots which can be used to accommodate V 35 and Ethernet service expansion modules to implement various solutions m Basic capacity 4 E1 multiplexer compatible with RC800 120B series m Max capacity 4 E1 plus one 4 E1 expansion module totally 8 E1 multiplexer m Multi service configuration 4 E1 plus two expansion modules providing V 35 and 10M Ethernet service interfaces 2 2 Part Number Introduction Example RC 801 240 B AC AC power supply Version 8 E1 channels equivalent to 240 voice channels Standalone dual strand fiber optic multiplexer Company code short for Raisecom First section head RC short form of Raisecom First section end 801 standalone dual strand fiber optic multiplexer 803 standalone 1310 TX wavelength single strand fiber optic multiplexer 805 standalone 1550 TX wavelength single strand fiber optic multiplexer Second section head 240 8 E1 channels equivalent to 240 voice channels Second section end AA SECOM Raisecom Technology Co Ltd B version B Suffix AC AC
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