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Raisecom Technology Co., Ltd

7. Appendix A Introduction of Cable Making

A.1 E1 interface

75ohm adopting DB37 coax adapter:

Suggest using SYV 75-2-2 coax cable, the distance less than 200 meter.

120ohm DB37 male connector is defined as following:

DB37 pin

definition

OUT

3, 4

7, 8

11, 12

15, 16

21, 22

25, 26

29, 30

33, 34

Others hang up. Twisted pairs can be jointing on DB37 female connector.

A.2 Cable of Ethernet

Use RJ45 Cat. 5 twisted-pair cable to connect the equipment. The cable shall not be longer
than 100 meters.

Both straight-through and crossover cables will work.
RJ45 line order as following:

Pin
number

1 2 3 4 5 6 7 8

Definition TX+ TX- RX+ Not Used Not Used

RX-

Not Used Not Used

A.3 RS232 cable of data channel

Adopting RJ45 connector, definition of pins as following:
3 ——RXD 232 signal input
6 ——TXD 232 signal output
4, 5 ——GND
others —— hang up (unassigned)

RS232 (RJ45) connect to console of computer (DB9 female connector) line order:

RJ45

DB9F

←

— 3

Pin 1

Pin 8

Содержание RCMS2304-240

Страница 1: ...RCMS2304 240 Standalone Multi Service Fiber Optic Ethernet Multiplexer User Manual REV B Beijing Raisecom Science Technology Co Ltd 04 2005 ...

Страница 2: ...s according to this mannual strictly and avoid contrary connecting RCMS2304 240 is integrated device that has precise elements please avoid violent shakes and impacts and do not disassemble or maintain the device yourself If it is required please do it under the guide of our technical staff following in the steps of anti static Please contact us if there is any need There must be grounding protect...

Страница 3: ...of front panel default all OFF 9 4 1 5 Ethernet interface 12 4 1 6 RS232 auxiliary data channel 12 4 1 7 LINK UP network management port 12 4 2 Introduction of back panel 12 4 2 1 Optical interface 12 4 2 2 E1 interface 12 4 2 3 SLOT1 SLOT2 expanded slots 13 4 2 4 Power supply socket 13 4 3 DIP Switch on the bottom panel 13 4 3 1 S1 S4 introduction 14 5 Installation and test 15 5 1 Inspect after O...

Страница 4: ...Raisecom Technology Co Ltd 3 A 1 E1 interface 19 A 2 Cable of Ethernet 19 A 3 RS232 cable of data channel 19 ...

Страница 5: ...port the maximum E1 capacity is 8 E1 links z Implement Fast Ethernet E1 multi service access z Auto adaptive Ethernet port sharing 100M rate bandwidth in fiber z Ethernet ports communication or insulation at local end or communication between local end and relevant remote end z Control and manage access and bandwidth of customer z Provide E1 branch loop back for opening and maintaining system z Al...

Страница 6: ... 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 Switch on layer 2 Multi service device Company codename Raisecom ...

Страница 7: ...02 3 Ethernet IEEE 802 3u Fast Ethernet Complied with IEEE 802 3D Spanning Tree IEEE 802 1q VLAN Supports oversized frame transmission up to 1916 Bytes Working mode 10 100Mbps auto negotiation auto MDI MDIX manual setup optional Flow control IEEE802 3x and back pressure 3 3 Optical Interface Bit rate 150Mbps Fiber connecter SC Transmission distance S1 0 25km S2 10 50km 3 4 Auxiliary Data Channel R...

Страница 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 ...

Страница 9: ...s it is on LOF red optical signal frame loss it is flashing or on E 3 red optical receiving signal error bit exceeds 10 3 it is flashing E 6 yellow optical receiving signal error bit exceeds 10 6 it is flashing z E1 loss The row L indicates local the row R indicates Remote LOS1 8 loss alarm red 1st 8th E1 LOS alarm Alarm in local site E1 LOS is on alarm on remote site E1 LOS is flashing no alarm b...

Страница 10: ...isable ON Enable z 2nd 4th loop back on remote site 2nd 3rd 4th Loop back OFF OFF OFF 1st E1 OFF OFF ON 2nd E1 OFF ON OFF 3rd E1 OFF ON ON 4th E1 ON OFF OFF 5th E1 ON OFF ON 6th E1 ON ON OFF 7th E1 ON ON ON 8th E1 Note Only one loop back test can be set single E1 channel loop back It functions only when the loop back is enabled and there is not alarm at the optical interface When single E1 tributa...

Страница 11: ...le z 6th bit setting for oversize packet 6th bit Definition ON 1916 byte OFF 1536 byte default The 8 bit DIP Switch on right side z The 1st 4th bits are used for duplex setting when auto negotiation fails Note supports 10 100Mbps auto sensing and full half duplex auto negotiation at Ethernet port Auto negotiation fails forced duplex mode according to the table shown as following Auto negotiation s...

Страница 12: ...ion OFF Local management default ON Remote management Note When using the network management function uses shall set this bit of switch before connecting The Ethernet multiplexer which LINK UP port is connected with the serial port of the computer called local Ethernet multiplexer shall be configured to local management The one at the remote site shall be configured to remote management Thus both ...

Страница 13: ...rt of computer The connection standard is optional between RS232 and RS485 LINK UP port RJ45 connector It adopts RS485 or RS232 19 2kbps standard 4 2 Introduction of back panel Figure Sketch of RCMS2304 240 of back panel 4 2 1 Optical interface z Single strand SC PC connector 4 2 2 E1 interface A DB37 male connector on the back panel provides 1 4th E1 tributary ports Refer to Appendix A for wire s...

Страница 14: ...t 2 must be empty Multi service configuration When Slot 1 is installed with a 1 E1 interface sub module e g Ethernet to 1 E1 converter sub module V 35 to E1 converter sub module it is actually the 5th E1 channel that be occupied If install a two channel sub module it is actually the 5th and 6th channels that be occupied When Slot 2 is installed with a 1 E1 interface sub module it is actually the 8...

Страница 15: ...with E1 port Definition as following 1st 2nd 3rd 4th 1st 2nd 3rd 4th ON ON ON OFF Or OFF OFF OFF ON 75Ω unbalanced signal effective 120Ω balanced signal effective As shown in figure above the default status is set as 75Ω unbalanced signal BNC interface effective Note It is suggested that use adapter for connecting 75Ω unbalanced signal use DB37 connector for 120Ω balanced signal 1 2 3 4 ON OFF ...

Страница 16: ...t on to 19 inch rack or place the equipment at stable and secure environment Pay attention to the requirements of the ambience 5 3 Installation 5 3 1 Connecting z E1 interface Suggest using SYV 75 2 2 coax adapter or DB37 interface connected by twisted pair z Ethernet Use Cat 5 twisted pair straight or cross over z Optical interface Plug SC fiber patch cable into optical interface push hard until ...

Страница 17: ...ts in a few bit errors After 10 seconds E 6 will be off This indicator refreshes in every 10 seconds z Test error bit Use 2M BER Tester to test every E1 error bit level z Mask unused E1 alarm If E1 links are already connected but there is still are unused E1 tributaries In this case the LOS alarm of unused E1 links is called unused E1 alarm Press MASK NO MASK button on to clear all the unused E1 a...

Страница 18: ...arm happens in R row But GL is still on in remote site R row The reason is that HDB3 CV alarm happened in remote site z LOS red indicator of optical port is on Answer Loss of receiving signal occurs at optical port Check if the input fiber is connected well and if there is reverse in connection Check the received optical power using optical power meter it should be greater than receiving sensitivi...

Страница 19: ... 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 of unused E1 tributary can press mask button to on to make alarm after configuration of device ...

Страница 20: ...B37 female connector A 2 Cable of Ethernet Use RJ45 Cat 5 twisted pair cable to connect the equipment The cable shall not be longer than 100 meters Both straight through and crossover cables will work RJ45 line order as following Pin number 1 2 3 4 5 6 7 8 Definition TX TX RX Not Used Not Used RX Not Used Not Used A 3 RS232 cable of data channel Adopting RJ45 connector definition of pins as follow...

Страница 21: ...Raisecom Technology Co Ltd 20 6 2 4 5 5 ...

Страница 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 ...

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