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Raisecom RCMS2504-120 User Manual

Manual is about: RCMS2504-120 Series Standalone, Fiber Optic Ethernet Multiplexer

Summary of RCMS2504-120

  • Page 1

    Rcms2504-120 series standalone, fiber optic ethernet multiplexer user manual (rev.A) raisecom technology co., ltd. (04/2005).

  • Page 2: 1. Cautions

    Raisecom technology co., ltd 1 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. Rcms2504-120 provides two types of power supply: ac and dc. When using dc power supply, please ...

  • Page 3: Contents

    Raisecom technology co., ltd 2 contents 1. Cautions ............................................................................................................................................1 2. Overview .................................................................................................

  • Page 4: 2. Overview

    Raisecom technology co., ltd 3 2. Overview 2.1. Introduction ethernet multiplexer (rcms2504-120) is an ideal transmission device of optical fiber for point to point networks, middle and small capacity networks, such as wireless communication base stations, private communication networks and switch n...

  • Page 5

    Raisecom technology co., ltd 4 note : standalone single strand fiber ethernet multiplexer: rcms2504-120 should work with rcms2304-120, viz. One rcms2504-120 should connect with one rcms2304-120. 2.4. Dimension z dimension: 320mm(w)×38mm×(h)×160mm(d) rc ms 2 5 04 – 120 / ac ac supply 4 e1 links 4 por...

  • Page 6: 3. Parameters

    Raisecom technology co., ltd 5 3. Parameters 3.1. E1 interface technical indicator bit rate ： 2048kbps±50ppm line code ： hdb3 impedance of interface ： 75 Ω （ unbalanced bnc interface ） or 120 Ω (balanced rj-45 interface) electrical characteristics: comply with itu-t g.703 other characteristics: indi...

  • Page 7

    Raisecom technology co., ltd 6 3.6. Ambience temperature: 0 ~ 45 ℃ relative humidity: ≤ 90% （ 25 ℃ ）.

  • Page 8: 4. How To Use

    Raisecom technology co., ltd 7 4. How to use 4.1. Introduction of front panel rcms2504-120 front panel 4.1.1. Power indicator power indicator （ green ）： if power is in good condition, it is on 4.1.2. Alarm indicator z gl: general alarm gl general alarm indicator (red): if a certain alarm occurs at l...

  • Page 9

    Raisecom technology co., ltd 8 the purpose of switch is for e1 remote loop-back test, fault transfer, ethernet packet length configuration, duplex configuration, insulation function configuration of ethernet ports, selection between 232 and 485 of nm ports, selection between local and remote nm. 6 b...

  • Page 10

    Raisecom technology co., ltd 9 on enable z 6 th bit: setting for ethernet data frame length 6 th bit ethernet data frame length setting on 1916 byte off 1536 byte 8 bit dip-switches on right side: z if auto-negotiation on from 1 st through 4 th ethernet port, set duplex mode. Note : supports 10/100m...

  • Page 11

    Raisecom technology co., ltd 10 rs232 standard or rs485 standard as per the standard of computer serial port!!! Otherwise, computer serial port cannot communicate with this equipment. Z 8 th bit: enable/disable of remote management 8bit remote management off disable on enable note : if use nm functi...

  • Page 12

    Raisecom technology co., ltd 11 4.2. Introduction of back panel figure: back panel of rcms2504-120 4.2.1. Power interface and switch z ac supply: adopt standard three-phase electric socket with 220v z dc supply: adopt power interface with –48v. Connect left interface with –48v, right with 0v, and mi...

  • Page 13

    Raisecom technology co., ltd 12 4.3. Dip-switch of device on bottom 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 set of dip-switch is...

  • Page 14: 5.  Installation and Test

    Raisecom technology co., ltd 13 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 are damaged or not. If it is affected with damp, should dry it before use. 5.2. Reparation before ...

  • Page 15

    Raisecom technology co., ltd 14 on electricity. 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 y...

  • Page 16: 6. Troubleshooting

    Raisecom technology co., ltd 15 6. Troubleshooting if you have any problems during installation and usage, 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 po...

  • Page 17

    Raisecom technology co., ltd 16 7. Appendix a introduction of making cable a.1 e1 interface z 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 ...

  • Page 18

    Raisecom technology co., ltd 17 others —— unassigned line orders between rs232 (rj45) and pc serial port (db9 female connector) are as following: rj45 db9f 3 ← — 3 6 — → 2 4 、 5 —— 5 a.4 link up cable of nm interface connect link up interface with console interface link up interface adapts rj45 whos...

  • Page 19

    Raisecom technology co., ltd 18 @2005 raisecom technology co., ltd. All trademarks are the property of their respective owners. Technical information may be subject to change without prior notification..