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RC802/804-240B

8E1 Modular

Fiber-Optic Multiplexer

(Rev. M)

User Manual

Raisecom Technology Co., Ltd.

(04/2005)

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Summary of Contents for RC802-240B

Page 1: ...RC802 804 240B 8E1 Modular Fiber Optic Multiplexer Rev M User Manual Raisecom Technology Co Ltd 04 2005 ...

Page 2: ...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 y...

Page 3: ... 4 2 DIP switches Configuration 7 4 2 1 Dip switches for E1 Interface Impedance 7 4 2 2 DIP switch for Function Configuration 7 4 2 3 DIP switch for Manufactures Setup 8 5 Installation and Test 9 5 1 Inspect after Opening 9 5 2 Preparation before Installation 9 5 3 Installation Procedure 9 5 3 1 Installing the Module into the Chassis 9 5 3 2 Connecting Cables 9 5 3 3 Applying the Power Supply 10 5...

Page 4: ...hannels and support cascading RC802 240BS expansion sub module to provide 16 E1 channels capacity With modular design it can be installed into any slot form 1st to 15th If cascading connection is required it can be only installed into odd slots One modular multiplexer shall correspond to one standalone multiplexer at the remote site Support SNMP management It can be managed by the network manageme...

Page 5: ...in the above table indicate the models that are covered by this manual Generally it is required to add a suffix to the standalone RC801 803 805 series equipment to indicate the type of power supply For example RC801 240B S1 AC indicates AC 220V power supply RC801 240B S1 DC indicates DC 48V power supply When interconnecting the fiber optic multiplexers it is suggested that follow the rules below T...

Page 6: ...100Mbps Line code 4B5B Fiber connector SC Part Number Connector Type Wavelength nm Launch Power dBmW Receiving Sensitivity dBmW Transmission Distance Km Link Loss dB Km RC802 240B S1 DSC 1310 15 8 34 0 25 0 5 RC802 240B S2 DSC 1310 5 0 34 10 60 0 5 RC802 240B S3 DSC 1550 DFB 5 0 36 15 120 0 25 RC804 240B S1 SC PC 1310 12 3 30 0 25 0 5 RC804 240B S2 SC PC 1310 5 0 32 10 50 0 5 RC804 series are equi...

Page 7: ...oss of signal in E1 channels LOS optical alarm Red ON when loss of signal in optical link LOF optical alarm Red ON when loss of frame in optical link E 3 optical alarm Red flashing when severe BER exceeds 10 3 E 6 optical alarm Yellow flashing when BER exceeds 10 6 Fiber connector DSC PC for dual strand fiber TX for transmit and RX for receive SC PC for single strand fiber Mask fake alarm button P...

Page 8: ... and output of 4 E1 channels When adopting 120 Ohm balanced signal it is required to first set the dip switches as per the above tables 37 pin connector shall be used to connect the twisted pair cables for DB37 connector Please refer to Appendix A for details of sequence of twisted pair and cable making 4 2 2 DIP switch for Function Configuration There is a 6 bit dip switch SW10 on the PCB 1st 4th...

Page 9: ...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 Vacant 4 2 3 DIP switch for Manufactures Setup The 4 bit dip switch SW11 is used by the manufacturer to configure the module during manufacturing Users are not advised to change its default status Local Remot...

Page 10: ... the module into any service slot from 1st to 15th with PWR indicator upside The MPU slot is particular for the network management module thus cannot be inserted with service modules Installing fiber optic multiplexer in MPU slot will cause damage to the module itself or the back panel of the chassis When combining with RC802 240BS expansion slave module RC800 240B module will act as the master Th...

Page 11: ...r 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 Chapter 4 Troubleshooting If there are any problems during installation and using try the following proposals I...

Page 12: ...t 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 on To solve is by pressing the mask button to OFF and then pressing to on to enable mask function How to unplug the coaxial cable f...

Page 13: ...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 DB37 Pin Definition 1st Channel 2nd Channel 3rd Channel 4th Channel OUT 3 ...

Page 14: ...Raisecom Technology Co Ltd 13 2005 Raisecom Technology Co Ltd All trademarks are the property of their respective owners Technical information may be subject to change without prior notification ...

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