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RCMS2401-30

Modular Ethernet Multiplexer

User Manual

(Rev. A)

Beijing Raisecom Science & Technology Co., Ltd

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Summary of Contents for RCMS2401-30

Page 1: ...RCMS2401 30 Modular Ethernet Multiplexer User Manual Rev A Beijing Raisecom Science Technology Co Ltd ...

Page 2: ...on of the Front Panel 4 3 2 Dip switch Setup 5 3 2 1 SW1 for Working Modes 5 3 2 2 Fault Pass Through Capability Explanation 5 3 2 3 E1 Remote Loop back Test 6 3 2 4 How to Implement Remote Network Management 6 CHAPTER 4 INSTALLATION AND TEST 7 4 1 Inspect after Opening 7 4 2 Preparation before Installation 7 4 3 Installation 7 4 3 1 Connecting the Cables 7 4 3 2 Function Configuration 8 CHAPTER 5...

Page 3: ...C dual wavelength 1310nm TX 1550nm RX 0 25 km RCMS2401 30 S2 Host site remote site module 10 100Mbps auto sensing RJ45 120 Ohm balanced E1 RJ45 single strand single mode DSC dual wavelength 1310nm TX 1550nm RX 10 60 km 1 1 Main Features z Low power consumption due to extra large scale ASIC chips high reliability due to 4 layer PCB z Providing 1 E1 channel interface transparent transmission mode z ...

Page 4: ...t interface Modular single strand fiber optic L2 Ethernet switching capability Multi service Raisecom code RC short for Raisecom Note Equipments that can work in pairs Host site Remote site RCMS2401 30 S1 RCMS2601 30 S1 or RCMS2501 30 FV35 S1 Single strand fiber optic equipment RCMS2401 30 S2 RCMS2601 30 S2 or RCMS2501 30 FV35 S2 2 ...

Page 5: ...erance ITU T G 724 2 2 Fast Ethernet Interface Specification IEEE 802 3 IEEE 802 3u IEEE 802 1d Spanning Tree IEEE 802 1q VLAN Support oversized Ethernet data frame up to 1916 bytes Working mode 10 100M Auto Negotiation Auto MDI MDIX manual configurable Flow control IEEE802 3x and back pressure 2 3 Optical Interface Specification Bit rate 150Mbps Fiber connector SC Transmission distance Single mod...

Page 6: ...l transmitting direction It includes 4 alarm levels lose of signal lose of frame BER exceeds 10 3 and BER exceeds 10 6 ETH Ethernet Interface RJ45 socket unshielded twisted pair LNK ACT Link Action The green indicator will be lightened when the link is in normal condition It flashes when transmitting to receiving data 100M 100Mbps The green indicator will be lightened when working at the rate of 1...

Page 7: ...hall be used to connect to Switch crossover cable shall be used to connect to NIC and Routers 7 E1 link normal working mode E1 link remote loop back 8 Auto recognition of network management channel Forced remote network management Please configure as per the network topology Note The other dip switch SW2 is a 2 bit switch which shall be used by manufacturing people Users are not advised to change ...

Page 8: ...nderstanding users are advised to use it cautiously The factory default status is disabled 3 2 3 E1 Remote Loop back Test E1 remote loop back setup at local Ethernet Multiplexer Note when setup any kinds of loop back at the local Ethernet Multiplexer the remote loop back switch at remote Ethernet Multiplexer must be at default status When the module is at E1 remote loop back status the Ethernet da...

Page 9: ... kinds of the cable Ensure that they are not short circuited Refer to Appendix A for cable making z Ensure the pressure of power supply is in the tolerance range the chassis is well connected with the ground z Prepare the BERT and optical power meter for test of line quality z Place the equipment at stable and secure environment Pay attention to the requirements of the ambience 4 3 Installation Th...

Page 10: ... solved please contact distributors for technical support The following explanations and solutions to optical and E1 LOS alarms are for the local module If the alarms are at the remote site please solve them at remote site z Power PWR indicator Green is not ON Answer Power supply fails Check whether the power supply is working properly z LAL indicator Red at optical interface is ON Answer Loss of ...

Page 11: ...Use Cat 5 twisted pair cable with RJ45 connector to connect this equipment Note that the cable shall not be longer than 100 meters Pin 1 Pin 8 The cable can be either straight through or crossover The sequence of the RJ45 connector is as follows Pin Number 1 2 3 4 5 6 7 8 MDI Definition TX TX RX Not Used Not Used RX Not Used Not Used MDI X Definition RX RX TX Not Used Not Used TX Not Used Not Used...

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