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Raisecom RCMS2304-240 User Manual

Manual is about: Standalone, Multi Service Fiber Optic, Ethernet Multiplexer

Summary of RCMS2304-240

  • Page 1

    Rcms2304-240 standalone, multi service fiber optic, ethernet multiplexer user manual (rev.B) beijing raisecom science & 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. Rcms2304-240 provides two types of power supply: ac and dc. When using dc power supply, please ...

  • Page 3: Content

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

  • Page 4

    Raisecom technology co., ltd 3 a.1 e1 interface..................................................................................................................................19 a.2 cable of ethernet .....................................................................................................

  • Page 5: 2. Overview

    Raisecom technology co., ltd 4 2. Overview 2.1. Introduction rcms2304-240b 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 switch networks. It can ...

  • Page 6

    Raisecom technology co., ltd 5 note : standalone single strand fiber ethernet multiplexer: rcms2304-240 should work with rcms2504-240, viz. One rcms2304-240 should connect with one rcms2504-240. Rc ms 2 3 04 – 240 / ac ac supply 4 e1 links 4 ports ethernet standalone, single strand fiber, 1310nm swi...

  • Page 7: 3. Parameters

    Raisecom technology co., ltd 6 3. Parameters 3.1. E1 interface bit rate: 2048kbps±50ppm line code: hdb3 impedance of interface: 75Ω (unbalanced bnc interface) or 120Ω (balanced rj-45 interface) electrical characteristics: complies with itu-t g.703 transfer characteristics: complies with itu-t g.823 ...

  • Page 8

    Raisecom technology co., ltd 7 humidity: ≤90% (25℃) 3.7. Dimension standard 19-inch 1u-high chassis dimension: 440mm (w)×43.6mm×(h)×235mm(d).

  • Page 9: 4. How To Use

    Raisecom technology co., ltd 8 4. How to use 4.1. Introduction of front panel sketch of rcms2304-240 front panel 4.1.1. Power indicator power indicator (green): on when the power supply is working in good condition 4.1.2. Alarm indicator z gl: general alarm gl general alarm indicator (red): any of a...

  • Page 10

    Raisecom technology co., ltd 9 1 2 3 4 5 6 off on 1 2 3 4 5 6 7 8 4.1.3. Button z mask / unmask: “on”: mask unused e1 link alarm; “off”: not mask unused e1' s alarm z ring / mute: press on: enable the alarm ring. If alarm appears, there will be “zi…zi…” ring. Press off: disable the alarm ring. 4.1.4...

  • Page 11

    Raisecom technology co., ltd 10 must be all off (no loop-back). Z 5 th bit: dip-switch for fpt when fpt is disabled, it is identical to the ais function of traditional optical multiplexers. When the receiving signals of the e1 interface at the remote site are lost, the corresponding local e1 interfa...

  • Page 12

    Raisecom technology co., ltd 11 of remote site. “isolated on local site” means users of local site isolate each other; but can communicate with remote site. “isolated oppositely on two sides” means 1 st port local site can communicate with 1 st port of remote site. So do others. The “tag” shall be a...

  • Page 13

    Raisecom technology co., ltd 12 4.1.5. Ethernet interface • each rj45 interface corresponds to one ethernet port. Refer to appendix a for wire sequence. • each port is capable of 10/100mbps auto-sensing • mdi/mdix auto-negotiation 4.1.6. Rs232 auxiliary data channel comply with rs232 standard, use a...

  • Page 14

    Raisecom technology co., ltd 13 4.2.3. Slot1, slot2 expanded slots configuration slot1 slot2 capability basic capacity configuration empty empty 4 channel e1 max capacity configuration subm-4e1 (provides 5 th ~8 th e1) empty 8 channel e1 10baset or v.35sub-system (occupied 5 th e1) 10baset or v.35su...

  • Page 15

    Raisecom technology co., ltd 14 4.3.1. S1---s4 introduction there are 4 dip-switches on the bottom. The dip-switch can be set using small sharp pen or tools. Each set of dip-switch is in correspondence with e1 port. Definition as following: 1 st 2 nd 3 rd 4 th 1 st 2 nd 3 rd 4 th on on on off or off...

  • Page 16: 5.  Installation and Test

    Raisecom technology co., ltd 15 5. Installation and test 5.1. Inspect after opening please first check if the models and part numbers are in consistence, and also check if the equipments are damaged. 5.2. Preparation before installation z carefully read this manual z prepare all kinds of the cable. ...

  • Page 17

    Raisecom technology co., ltd 16 5.3.2. Electrify if power supply (ps) is dc –48v, first connect middle end to pgnd. Turn off ps, connect “-48v” end with the lower electric level cable, “0v” end with higher electric level cable. Make sure no reverse connection, or no short circuited, and then turn on...

  • Page 18: 6. Troubleshooting

    Raisecom technology co., ltd 17 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 po...

  • Page 19

    Raisecom technology co., ltd 18 z 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 Ω cable reverse and if the string of 75 Ω cable in right order. If there is los alarm...

  • Page 20

    Raisecom technology co., ltd 19 7. Appendix a introduction of cable making a.1 e1 interface z 75ohm adopting db37 coax adapter: suggest using syv 75-2-2 coax cable, the distance less than 200 meter. Z 120ohm db37 male connector is defined as following: db37 pin definition 1 st 2 nd 3 rd 4 th out 3, ...

  • Page 21

    Raisecom technology co., ltd 20 6 —→ 2 4, 5 —— 5.

  • Page 22

    Raisecom technology co., ltd 21 @2005 raisecom technology co., ltd. All trademarks are the property of their respective owners. Technical information may be subject to change without prior notification..