RCMS2104-120 Standalone Fiber-Optic Ethernet Multiplexer User
Contents
1. SECOM Raisecom Technology Co Ltd Others Unassigned Line orders between RS232 RJ45 and PC serial port DB9 female connector are as following RJ45 DB9F 3 3 6 gt 2 475 5 A 4 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 4 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 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 182. Voltage 36V 72V AC 220V Voltage 165 265V Power consumption lt 25W AASECOM Raisecom Technology Co Ltd 4 How to use 4 1 Introduction of front panel Optical Alarm El LOS Alarm Power ETH Dip switch ag Function Indicators Buttons NM Interface RAISECOM MS2004 120 semes Ree usses 1 4 uuw 0OOO L 000 0000 som OOOO R OOO 0000 0000 FIBER E1 LOS RCMS2104 120 front panel 4 1 1 Power indicator Power indicator Green On 4 1 2 Alarm indicator GL general alarm GL general alarm indicator red Any of alarm happened make GL general alarm indicator on Alarm happened on remote site it is flashing Optical interface The row L indicates Local the row R below indicates Remote LOS red Optical signal loss it is on LOF red optical signal frame loss it is flashing or on E 3 red optical receiving signal error bit exceeds 10 it is flashing E 6 yellow optical receiving signal error bit exceeds 10 itis flashing 1 loss LOS1 4 loss alarm 1 4 E1 LOS alarm Alarm in local site E1 LOS is on alarm on remote site E1 LOS is flashing no alarm both on two sides alarm indicator is off Ethernet indicator 4 groups of indicators correspond to 4 Ethernet ports LNK ACT green receiving or transmitting data it is flashing 100M green 100Mbps it is on 10Mbps it is off FDX COL green full duplex it is on half duplex it is off AASECO
3. M Raisecom Technology Co Ltd 4 1 3 DIP Switch of front panel The dip switches on the front panel are used to set OFF E1 remote loop back test fault pass through el function Ethernet frame size duplex mode Ethernet port isolation RS232 485 option for network management interface and remote local management ON The 6 bit DIP switches on the left e 1 on left side enable disable loop back d Loop back OFF Disable ON Enable e 2 4 loop back on remote site 2 3g 4 Loop back OFF OFF OFF 1 E1 OFF OFF ON 2 E1 OFF ON OFF 37 E1 OFF ON ON 4 EI Note Only one test method can be set single E1 channel loop back When there is loop back test of single E1 tributary other tributaries are working without disturbance Multipl Multipl exet geg E1 Error bit tester Local Remote Figure sketch map of setting remote loop back on local site Note When setting loop back on local site DIP switch of remote site must be all off e 5 bit DIP switch for FPT When FPT is disable it complies with AIS When E1 signal on remote site is loss the E1 output of local site is 1 when optical signal is loss all E1 output are 1 on local site FPT enable there is alarm of LOS on any direction of optical interface both sides E1 output are not HDB3 there is alarm of LOS on E1 terminal device not AIS alarm 5 bit FPT OFF Disable complies wit
4. RA SECOM RCMS2104 120 Standalone Fiber Optic Ethernet Multiplexer User Manual Rev B Raisecom Technology Co Ltd 05 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 RCMS2104 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 RCMS2104 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 2 Overview 2 1 2 2 2 3 Introduction Main feathers Dimension 3 Parameters 3 1 3 2 3 3 3 4 3 5 E1 interface Ethernet interface Optical Interface Auxiliary data channel Power supply 4 Howto use 4 1 4 1 1 4 1 2 4 1 3 4 1 4 4 1 5 4 2 4 2 1 4 2 2 4 2 3 4 2 4 4 2 5 4 3 Introduction of front panel Power indi
5. Supporting the isolation and interconnection between Ethernet ports Duplex mode can be configured if auto negotiation failed The maximum Ethernet frame size is 1916 bytes Support flow control of IEEE802 3x in full duplex mode and back pressure in half duplex mode Can be managed and manage remote device network management interface type is choice between RC232 and RS485 2 3 Dimension Dimension 440mm W x43 6mm H x235mm D AA SECOM Raisecom Technology Co Ltd 3 Parameters 3 1 E1 interface Bit rate 2048Kbps 50ppm Line code HDB3 Impedance of interface 75Q unbalanced BNC interface or 1200 balanced RJ 45 interface 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 Ethernet interface Complied with IEEE 802 3 IEEE 802 3u Complied with IEEE 802 3d Spanning Tree IEEE 802 1q VLAN Supports oversize frame transmission up to 1916 Bytes default packet size is 1536 Rate 10 100Mbps auto negotiation Support full duplex IEEE802 3x and on half duplex mode back pressure flow control 3 3 Optical Interface Bit rate 155Mbps Signal format 4B5B Fiber connecter SC Optical transmission Multimode dual strand M 0 2km Single mode dual strand S1 0 25km S2 10 60km S3 15 120km 3 4 Auxiliary data channel RS232 standard asynchronous rate 0 115 2Kbps 3 5 Power supply DC 48V
6. cator Alarm indicator NM Network Management interface Introduction of back panel ssseseeeeeseeeererrn reee Power interface and Switch Auxiliary Data Channel Ethernet interface EI interface Optical interface Bottom DIP Switch Installation and test 5 1 5 2 5 3 Dols 5 3 2 5 3 3 Installation Preparation before installation Installation process Method of cable connection Electrify Button usages and switch configurations Troubleshooting Appendix Introduction of making cable A 1 E1 interface A 2 Cable of Ethernet A 3 RS232 cable of data channel AA SECOM A 4 LINK UP cable of NM interface Raisecom Technology Co Ltd AA SECOM Raisecom Technology Co Ltd 2 Overview 2 1 Introduction RCMS2104 120 is an ideal transmission device of optical fiber for point to point networks medium sized and small capacity networks such as wireless communication base stations private communication networks and switching networks It can be applied to either public networks or various private networks RCMS2104 120 provides 4 E1 links and 4 Ethernet ports that share 100M full speed 2 2 Main feathers Low power consumption due to extra large scale ASIC chips high reliability due to 4 layer PCB Alarm indications of local and remote equipment Supporting E1 link loop back function easy fault location Provide one auxiliary data channel RS232 Providing 4 10 100Mbps auto sensing Ethernet interface
7. e damaged or not If it is affected with damp should dry it before use 5 2 Preparation before installation Carefully read this user manual Prepare all kinds of cable 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
8. ecting the LINK UP port with the serial port of PC it is necessary to adopt the same communication protocol Or the communication link will not be set up e 8 bit enable disable of remote management 8 bit Remote management OFF Disable default AA SECOM Raisecom Technology Co Ltd 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 topologies are illustrated as following PC Agent PC J NM 8 ETH computer port RS232 485 Fiber RCMS2104 120 RCMS2104 120 LINK UP NM Local RCMS Remote RCMS interface Enable Remote management Enable local managment 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 4 1 4 Function button default settings are all pressed out MASK UNMSAK shield pseudo alarm button Press it in shield unused E1 branch indicat
9. f optical port is on Answer Loss of receiving signal occurs at optical port Check if the input fiber is connected well and if there is reverse in connection Check the received optical power using optical power meter it should be greater than receiving sensitivity LOF red indicator of optical port is on Answer Loss of frame of receiving signal at optical port In this case optical signal has received but the optical power may be about critical value of sensitivity Check RX optical power to ensure if it connects well at remote optical TX port 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 6 yellow indicator of optical port is on Answer The bit error of optical RX signal is greater than 10 Itis normal that there is E 6 alarm just after turning on the power after about 10 seconds the E 6 indicator will be off If there is E 6 alarm during operation then check if optical RX port connects well and RX optical power LOS red indicator of E1 channel is on Answer Loss alarm of RX signal at E1 channel there is no HDB3 signal received Check if it connects well at E1 port if the connection of 75 Q cable reverse and if the string of 75 Q 14 AASECOM Raisecom Technology Co Ltd cable in right order If there is LOS alarm of unused E1 tributary can press mask button to on to make alarm after confi
10. for loopback test switch after turning on electricity 12 AASECOM Raisecom Technology Co Ltd 5 3 2 Electrify Implement above operations before turning on electricity 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 a
11. guration of device 15 AA SECOM Raisecom Technology Co Ltd 7 Appendix Introduction of making cable A 1 E1 interface e 75ohm adopt DB37 external hanging coaxial 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 3 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 e 1200hm DB37 male connector is defined as following DPT ER 1st Branch 2nd Branch 3rd Branch 4th Branch definition OUT 3 4 7 8 111 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 1 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 Not RX Not Not Used Used Used Used A 3 RS232 cable of data channel Auxiliary data channel adopts RJ45 connector whose pins definition are as following 3 RXD 232 signal input 6 TXD 232 signal output 4 5 GND AA
12. h AIS ON Enable AASECOM Raisecom Technology Co Ltd e 6 bit set Ethernet frame size 6 bit Definition ON 1916 byte OFF 1536 byte 8 bit DIP switch on right side Duplex setting when auto negotiation fail Note supports 10 100Mbps auto negotiation on Ethernet port Auto negotiation fail according to the table shown as following Auto negotiation working on full duplex Definition 45 ond 3rd A OFF Full duplex OFF Full duplex OFF Full duplex OFF Full duplex default default default default ON Half duplex ON Half duplex ON Half duplex ON Half duplex e 5 6 bit Set isolation of Ethernet port ae 8 Definition OFF OFF 1 4 can switch each other default setting OFF ON 1 4 Ethernet port isolated on local site 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 Switch means all users of local site can communicate with each other and with users of remote site Isolated on local site means users of local site isolate each other but can switch data with remote site Isolated oppositely on two sides means 1 port local site can switch data with 17 port of remote site So do others e 7 bit RS232 485 option of the network management port 7 bit Protocol options OFF RS232 ON RS485 When conn
13. larm 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 RING MUTE button in to set off alarm Meanwhile if any alarm indicator is ON alarm will make a harsh sound AA SECOM Raisecom Technology Co Ltd 6 Troubleshooting If you have any problems during installation and using 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 for E1 tributaries are analyses of local alarm Please handle it at remote site if there is remote alarm Green PWR indicator not on Answer PS faults Check if PS working properly and 48 PS connection is not reverse GLison Answer GL is on when alarm happen in local site L row GL is flashing when alarm happen in remote site R row Deal with them as following 10 Besides GL there are some other alarm indicators red or yellow please deal with these alarm at first 21 Except GL no alarm happens in L row But GL is still on in local site L row The reason maybe is that CV alarm exists It is arose by much longer E1 line or much disturbance or attenuating more than 6dB 30 Except GL no alarm happens in R row But GL is still on in remote site R row The reason is that HDB3 CV alarm happened in remote site LOS red indicator o
14. or 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 4 1 5 NM Network 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 AASECOM Raisecom Technology Co Ltd 4 2 Introduction of back panel fii e Se geng SR Figure RCMS2104 120 of back panel 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 Refer to Appendix A for line orders 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 18 4 E1 branch ports The instruction of line connection refers to appendix A lf adapt 750 connection mode require to connectDB37 with eigh
15. t 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 Do not require adapter for using 1200 connection mode 4 2 5 Optical interface Single strand fiber and SC PC optical interface AASECOM Raisecom Technology Co Ltd 4 3 Bottom DIP Switch 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 ON set of dip switch is in correspondence with E1 port Definition as following OFF 1 st KI grd A 1 st gnd Se A ON ON ON OFF Or OFF OFF OFF ON 75Q unbalanced signals are valid 1200 balanced signals are valid gth e 7in gih gth gh Zi an 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 for1200 balanced signal 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 ar
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