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Raisecom 
RCMS2902-2E1GE-BL Product Description 

8 Appendix 

 

 

Raisecom Technology Co., Ltd. 

26 

 

 

LOS 

Loss of Signal 

 

Содержание RCMS2902-2E1GE-BL

Страница 1: ...RCMS2902 2E1GE BL Product Description Rel_01 www raisecom com ...

Страница 2: ...ication may be excerpted reproduced translated or utilized in any form or by any means electronic or mechanical including photocopying and microfilm without permission in Writing from Raisecom Technology Co Ltd is the trademark of Raisecom Technology Co Ltd All other trademarks and trade names mentioned in this document are the property of their respective holders The information in this document ...

Страница 3: ...ument Product name Product version RCMS2902 2E1GE BL A Conventions Symbol conventions The symbols that may be found in this document are defined as follows Symbol Description Indicate a hazard with a medium or low level of risk which if not avoided could result in minor or moderate injury Indicate a potentially hazardous situation that if not avoided could cause equipment damage data loss and perf...

Страница 4: ...ution Notes and Tip are in Arial Boldface Names of files directories folders and users are in boldface For example log in as user root Italic Book titles are in italics Lucida Console Terminal display is in Lucida Console Change history Updates between document versions are cumulative Therefore the latest document version contains all updates made to previous versions Issue 01 2012 11 30 Initial c...

Страница 5: ...ations of E1 interface 4 2 3 Technical specifications of Ethernet interface 5 2 4 Power supply conditions 5 2 5 Operating conditions 6 2 6 Storage conditions 6 2 7 Structure 6 3 Card appearance and descriptions 7 3 1 Appearance 7 3 2 LEDs 7 3 3 Interfaces 8 4 DIP switch 10 4 1 Appearance 10 4 2 Descriptions of DIP switch 10 4 3 Default settings on DIP switch 12 5 Typical application 13 6 Network m...

Страница 6: ... removing card 17 7 2 1 Installing card 17 7 2 2 Removing card 17 7 3 Connecting cables 18 7 4 Powering on card 18 8 Appendix 19 8 1 Introduction about making cables 19 8 1 1 Making Ethernet cables 19 8 1 2 Making E1 cables 22 8 2 FAQ 23 8 2 1 Why is the PWR LED is off 23 8 2 2 Why is the LOS LED lighted up 23 8 2 3 Why is the LNK ACT LED off 23 8 2 4 Why is the L R LOS 1 2 LED lighten up 24 8 3 T...

Страница 7: ...bit Ethernet electrical interface for transmitting 100 1000 Mbit s Ethernet services At the uplink fiber the RCMS2902 2E1GE BL can multiplex 2 way E1 services and 1 way 100 1000 Mbit s Ethernet services Provide a SFP optical interface support 100 Mbit s and 1000 Mbit s optical modules support setting to the 100 Mbit s mode when the RCMS2902 2E1GE BL is inserted with a 1000 Mbit s SFP optical modul...

Страница 8: ...Support upgrading the card software online 1 3 Working modes 1 3 1 Classification of working modes The RCMS2902 2E1GE BL supports the master mode and slave mode Master mode in this mode the RCMS2902 2E1GE BL is used as a local card only Slave mode the slave mode is further divided into the local slave mode and remote slave mode Local slave mode the working mode of the remote card when managing the...

Страница 9: ... 2E1GE BL works in maser mode if it displays RCMS2902 2E1GE Master The RCMS2902 2E1GE BL works in salve mode it displays RCMS2902 2E1GE Slave 1 4 Ordering information Table 1 1 lists the ordering information about the RCMS2902 2E1GE BL Table 1 1 Ordering information about the RCMS2902 2E1GE BL Model Version Description RCMS2902 2E1GE BL A The RCMS2902 2E1GE BL is a modular device which can be inse...

Страница 10: ... of Ethernet interface Power supply conditions Operating conditions Storage conditions Structure 2 1 Technical specifications of optical interface Table 2 1 lists technical specifications of the optical interface on the RCMS2902 2E1GE BL Table 2 1 Technical specifications of the optical interface on the RCMS2902 2E1GE BL Parameter Description Type SFP interface Speed 155 Mbit s or 1 25 Gbit s Line...

Страница 11: ...rface Table 2 3 lists technical specifications of the Ethernet interface on the RCMS2902 2E1GE BL Table 2 3 Technical specifications of the Ethernet interface on the RCMS2902 2E1GE BL Parameter Description Type RJ45 Supported standard IEEE 802 3ab and IEEE 802 3z Speed 100 Mbit s self adaption or 100 1000 Mbit s self adaption Duplex mode Support half duplex full duplex auto negotiation Support sel...

Страница 12: ...ists storage conditions of the RCMS2902 2E1GE BL Table 2 6 Storage conditions of the RCMS2902 2E1GE BL Parameter Description Storage temperature C 25 to 60 Storage humidity 10 90 RH non condensing 2 7 Structure Table 2 7 lists technical specifications on the structure of the RCMS2902 2E1GE BL Table 2 7 Technical specifications on the structure of the RCMS2902 2E1GE BL Parameter Description Physica...

Страница 13: ...arance LEDs Interfaces 3 1 Appearance Figure 3 1 shows the appearance of the RCMS2902 2E1GE BL Figure 3 1 Appearance of the RCMS2902 2E1GE BL 3 2 LEDs Table 3 1 describes LEDs on the RCMS2902 2E1GE BL Table 3 1 LEDs on the RCMS2902 2E1GE BL LED Status Description PWR Green Power LED Green the power supply is normal Off the power supply is abnormal LPR Red Remote power off alarm LED Red the remote ...

Страница 14: ...net interface is connected improperly 1000M Green Ethernet interface working speed LED Green the Ethernet interface speed is 1000 Mbit s Off the Ethernet interface speed is 100 Mbit s or the Ethernet interface is not working L R LOS 1 2 Red E1 tributary Rx signal LOS alarm LED Red a LOS alarm is generated on the local E1 tributary Blinking red a LOS alarm is generated on the remote E1 tributary Of...

Страница 15: ...Raisecom RCMS2902 2E1GE BL Product Description 3 Card appearance and descriptions Raisecom Technology Co Ltd 9 Interface Type Description Optical interface SFP One SFP optical interface ...

Страница 16: ...earance There is a SW1 DIP switch on the RCMS2902 2E1GE BL There are 8 switches on the DIP switch Figure 4 1 shows the appearance of the DIP switch Figure 4 1 Appearance of the DIP switch 4 2 Descriptions of DIP switch Table 4 1 describes switches 1 8 of the SW1 DIP switch Table 4 1 SW1 DIP switch SW1 Description ON OFF 1st Switch Configure ALS on the optical interface Enable ALS Disable ALS 2nd S...

Страница 17: ...emote internal loopback You can use the 4th switch to configure the working mode of the RCMS2902 2E1GE BL When the switch is ON the RCMS2902 2E1GE BL is forced to work in slave mode When the switch is OFF the network management card or network management module inserted into the chassis such as the RC002 automatically recognizes a working mode For example if the RCMS2902 2E1GE BL is inserted into ...

Страница 18: ...ck is configured the local device all E1 LOOP loopback switches on the remote devices must be set to OFF 4 3 Default settings on DIP switch By default the 8 switches of the SW1 are set to OFF By default functions configured on the RCMS2902 2E1GE BL are shown as below Optical interface ALS is disabled Failover is disabled The network management card or network management module automatically recogn...

Страница 19: ...application with the RCMS2902 2E1GE BL At the remote the RCMS2902 2E1GE BL is inserted into the RC001 1M single slot chassis for aggregating 2 way balanced E1 services and 1000 Mbit s Ethernet services At the local the RCMS2902 2E1GE BL is inserted into the RC002 16 chassis The RCMS2902 2E1GE BL can be connected to the server for outputting Ethernet services Together with the uplink card inserted ...

Страница 20: ...splays information about all LEDs on the local remote RCMS2902 2E1GE BL You can view various working states of the local remote RCMS2902 2E1GE BL through the NView NNM system At the NE management view of the RC002 16 EMS you can view LED status and SFP module information in addition you can view traffic statistics in a graph such as the Rx Tx bit rate of the Ethernet electrical interface speed for...

Страница 21: ...L at the NView NNM system For details see NView NNM Operation Guide RC002 Network Element Management V5_40 Information configured by the DIP switch can be overridden by the NView NNM system Information configured by the DIP switch is valid only when the RCMS2902 2E1GE BL is initially powered on When the RCMS2902 2E1GE BL works properly it follows information configured by the NView NNM system ...

Страница 22: ...voltage is in the normal working range The rack is well grounded Prepare the BERT and optical power meter for detect the quality of cables 7 1 1 Confirming E1 cable types The E1 interface on the RCMS2902 2E1GE BL is a 120 Ω balanced E1 interface The 22AWG 24AWG twisted pair cable is available for it In on site connection confirm the type definition and interface impedance of the E1 interface on th...

Страница 23: ...tiplexer Other device Connection mode of RJ45 interface RCMS2902 2E1GE BL Switch Crossover HUB Crossover Router Straight through NIC Straight through 7 2 Installing and removing card When transporting and installing the RCMS2902 2E1GE BL please avoid strong vibration When installing removing the RCMS2902 2E1GE BL please wear the ESD wrist strap Unused cards should be placed in the ESD box or ESD b...

Страница 24: ...ect the RCMS2902 2E1GE BL to related devices E1 interface use the E1 cable with RJ45 connectors to connect the RCMS2902 2E1GE BL to related devices 7 4 Powering on card The RCMS2902 2E1GE BL is powered on through the master card of the chassis The operating voltage is 5 V DC After the power supply is connected the PWR LED on the RCMS2902 2E1GE BL is lighten up After the power supply is connected t...

Страница 25: ...ch as a PC and a switch switch and router Crossover cable used to connect devices of the same type such as between 2 PCs switches routers or between a PC and a router they are divided into the same group The RCMS2902 2E1GE BL supports auto MDI MDIX which means that both the straight through mode and crossover mode are available When you use a Cat 5 twisted pair cable with RJ45 connectors to connec...

Страница 26: ...Wiring of EIA TIA568A and EIA TIA568 B standards Connector 1 RJ45 EIA TIA568 A Connector 2 RJ45 EIA TIA568 B PIN 1 White Green PIN 1 White Orange PIN 2 Green PIN 2 Orange PIN 3 White Orange PIN 3 White Green PIN 4 Blue PIN 4 Blue PIN 5 White Blue PIN 5 White Blue PIN 6 Orange PIN 6 Green PIN 7 White Brown PIN 7 White Brown PIN 8 Brown PIN 8 Brown Straight through cable Both 2 RJ45 connectors of th...

Страница 27: ... Mbit s crossover cable One RJ45 connector of the 100 Mbit s crossover cable follows EIA TIA568 A standard the other RJ45 connector follows EIA TIA568 B standard wiring Figure 8 2 shows the wiring of the 100 Mbit s crossover cable Figure 8 2 Wring of the 100 Mbit s crossover cable The 1000 Mbit s crossover cable uses all 8 pins The crossover is PIN1 to PIN3 PIN2 to PIN6 PIN4 to PIN7 and PIN5 to PI...

Страница 28: ... Color Dark grey Model Cat 5 or better unshielded twisted pair cable UTP 5 UTP 5e or shielded twisted pair cable STP Connector RJ45 connector Number of cores 8 cores Length The letter D indicates the length which is customized For example if the customer requires 2 meter cables they are named CBL ETH RJ45 RJ45 2m 8 1 2 Making E1 cables The E1 interface of the RCMS2902 2E1GE BL is a 120 Ω RJ45 inte...

Страница 29: ...e power supply cable is connected properly Check whether the power supply switch on the chassis is ON 8 2 2 Why is the LOS LED lighted up This indicates that a LOS alarm in Rx direction occurs at the optical interface Firstly check whether the fiber is well connected to the optical interface Secondly form a self loop using the fiber may need attenuation If the alarm still exists replace the fiber ...

Страница 30: ...a unless congestion disappears C Card An electronic module composed by the chip and other electronic components installed on a flat and hard Printed Circuit Board PCB The PCB has conductive circuits for connecting these components E Electromagnetic Compatibility EMC The capability that a device sub system can work improperly in an electromagnetic environment without generating unbearable electroma...

Страница 31: ...romagnetic energy in an optical wave form Full duplex Perform bidirectional electronic communicate in both directions at the same time H Half duplex Perform bidirectional electronic communicate in one direction only at some time L Loopback A process that a signal returns to the place where it is sent It can be used to detect and analyze the fault that may exist in the ring network S Self adaption ...

Страница 32: ...Raisecom RCMS2902 2E1GE BL Product Description 8 Appendix Raisecom Technology Co Ltd 26 L LOS Loss of Signal ...

Страница 33: ...Address Building 2 No 28 Shangdi 6th Street Haidian District Beijing P R China Postal code 100085 Tel 86 10 82883305 Fax 8610 82883056 http www raisecom com Email export raisecom com ...

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