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- Multiplexer
- RCMS2504-240
- User Manual
Raisecom RCMS2504-240 User Manual
Summary of RCMS2504-240
Page 1
Rcms2504-240 standalone, multi service fiber optic, ethernet multiplexer user manual (rev.B) 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. Rcms2504-240 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 rcms2504-240 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 b...
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Raisecom technology co., ltd 5 note : standalone single strand fiber ethernet multiplexer: rcms2504-240 should work with rcms2304-240, viz. One rcms2304-240 should connect with one rcms2504-240. Rc ms 2 5 04 – 240 / ac ac supply 4 e1 links 4 ports ethernet standalone, single strand fiber, 1550nm swi...
Page 7: 3. Parameters
Raisecom technology co., ltd 6 3. Parameters 3.1. Dimension standard 19-inch 1u-high chassis z dimension: 440mm(w)×43.6mm×(h)×235mm(d) 3.2. E1 interface bit rate: 2048kbps±50ppm line code: hdb3 impedance of interface: 75 Ω (unbalanced bnc interface) or 120 Ω (balanced rj-45 interface) electrical cha...
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Raisecom technology co., ltd 7 3.6. Power supply dc: -48v (tolerance range -36v ~ -72v) ac: 220v (tolerance range 115~230v) power consumption: ≤ 25w 3.7. Ambience temperature: 0 ~ 45 ℃ humidity: ≤ 90% (25 ℃ ).
Page 9: 4. How To Use
Raisecom technology co., ltd 8 4. How to use 4.1. Introduction of front panel sketch of rcms2504-240 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...
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Raisecom technology co., ltd 9 1 2 3 4 5 6 off on 1 2 3 4 5 6 7 8 “on”: mask unused e1' s alarm; “off”: no mask unused e1' s alarm z ring / mute: push in: enable the alarm ring. If alarm appears, there will be “zi…zi…” ring. Push out: disable the alarm ring. 4.1.4. Dip-switch of front panel: (defaul...
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Raisecom technology co., ltd 10 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 interface will output all “1” signals; when the receiving signals of t...
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Raisecom technology co., ltd 11 z 7 th bit: network management option (rs232/485 optional) 7 th bit network management option off rs232 (default) on rs485 when linking the link up network management port with the serial port of the computer, users shall choose rs232 standard or rs485 standard. Other...
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Raisecom technology co., ltd 12 • mdi/mdix auto-negotiation 4.1.6. Rs232 auxiliary data channel rs232 standard, rj45 connector. Refer to appendix a for wire sequence. 4.1.7. Link up network management port link up port can be connected with the serial port of computer. The connection standard is opt...
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Raisecom technology co., ltd 13 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.35sub-system (occupied 8 th e1) multi service configuration 100baset (occupi...
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Raisecom technology co., ltd 14 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 off off on 75 Ω unbalanced signal effective 120 Ω balanced signal effective as shown in figur...
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...
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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...
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Raisecom technology co., ltd 19 7. Appendix 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 、 4...
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Raisecom technology co., ltd 20 6 — → 2 4, 5 —— 5 a.4 cable for link up network management port link up port shall be connected with the console port link up port adopts rj45 connector, and the pin definition is as follows. Rs232 standard 3 ——rxd 232 signal input 7 ——txd 232 signal output 4, 8 ——gnd...
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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..