Raisecom RC801, User Manual

Page 1: ...RC801 803 805 240B 8E1 Fiber Optic Multiplexer Rev M User Manual Raisecom Technology Co Ltd 04 2005 ...

Page 2: ...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 gro...

Page 3: ...ault 8 4 1 5 Function Buttons All High Position by Default 8 4 1 6 Optical Port 8 4 1 7 Network Management Port 8 4 2 Introduction of the Rear Panel 9 4 2 1 Power Switch 9 4 2 2 Power Socket 9 4 2 3 E1 Interface 9 4 2 4 The Expansion Slot 1 and Slot 2 9 4 3 DIP switch on the Bottom Panel 10 5 Installation and Test 11 5 1 Inspect after Opening 11 5 2 Preparation before Installation 11 5 3 Installat...

Page 4: ...viding 4 bit address switch RC800 240B series provides 2 expansion slots which can be used to accommodate V 35 and Ethernet service expansion modules to implement various solutions Basic capacity 4 E1 multiplexer compatible with RC800 120B series Max capacity 4 E1 plus one 4 E1 expansion module totally 8 E1 multiplexer Multi service configuration 4 E1 plus two expansion modules providing V 35 and ...

Page 5: ...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 ...

Page 6: ... Number Connector Type Wavelength nm Launch Power dBmW Receiving Sensitivity dBmW Over load point dBmW Transmission Distance Km Link Loss dB Km RC801 240B S1 DSC 1310 15 8 34 8 0 25 0 5 RC801 240B S2 DSC 1310 5 0 34 8 10 60 0 5 RC801 240B S3 DSC 1550 DFB 5 0 36 10 15 120 0 25 RC803 240B S1 SC PC 1310 12 3 30 8 0 25 0 5 RC803 240B S2 SC PC 1310 5 0 32 8 10 50 0 5 RC805 240B S1 SC PC 1550 12 3 30 8 ...

Page 7: ...cator turns red z 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 3 E 6 bit error alarm yellow ON when the receiving bit error rate exceeds 10 6 4 1...

Page 8: ...op back type option OFF Remote loop back enable ON Local loop back enable Figure2 sketch map of setting remote loop back on local site Figure3 sketch map of setting local loop back on local site Note When any loop back is set on local site 1st 4th loop back DIP switch of remote site must be all off not loop back 6th bit Saving the configurations OFF when rebooted the equipment will read from the s...

Page 9: ...rm High No mask unused E1 s alarm 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 The fiber connector is DSC PC for dual strand models TX for signal output and RX for signal input The fiber connector is SC PC for single strand models 4 1 7 Network Managemen...

Page 10: ...e left is the 1st 4th E1 channel The upper row is for OUT signals and the lower row is for IN signals It is 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 flexibility to satisfy users requirements The t...

Page 11: ...is actually the 5th and 6th channels that be occupied When Slot 2 is installed with a 1 E1 interface sub module it is actually the 8th E1 channel that be occupied If installing a two channel sub module it is actually the 7th and 8th channels that be occupied Slot 2 does not support 4 channel sub modules 4 3 DIP switch on the Bottom Panel The DIP switch can be set by small flat screw driver Each gr...

Page 12: ...SYV75 2 2 coaxial cables to connect the BNC connector Or use twisted pair to connect the DB37 connector z 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 z Network management port Connect the serial port of computer to LNK UP po...

Page 13: ...nused 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 z Turn on the ...

Page 14: ...nals 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 z 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 p...

Page 15: ...ted well or whether 75 Ω cables are reversely connected or whether the wires of 75 Ω 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 z 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...

Page 16: ... 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 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 acce...

Page 17: ...hnology Co Ltd 16 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 ...

Page 18: ...Raisecom Technology Co Ltd 17 2005 Raisecom Technology Co Ltd All trademarks are the property of their respective owners Technical information may be subject to change without prior notification ...