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Raisecom Technology Co., Ltd

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OPCOM3100

-155

OPCOM3100

-155

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Figure6-3 Chain topology with protection

6.3.4. 2-fiber ring topology

See in figure 6-4.

Optical

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Figure 6-4 2-fiber ring topology

Содержание OPCOM3100-155

Страница 1: ...OPCOM3100 155 STM 1 High Capacity Terminal Multiplexer USER MANUAL Raisecom Technology Co Ltd 4 2005 ...

Страница 2: ...ngs inside the device so the power of network device s optical output interface must be checked before connecting To avoid damaging it is not allowed that the optical power of network device s output interface is higher than that of OPCOM3100 OPCOM3100 is integrated device that has precise elements please avoid violent shakes and impacts and do not disassemble or maintain the device yourself we re...

Страница 3: ...s explanation 8 4 1 Front panel 8 4 2 Front panel indicator lights explanation 8 4 3 Rear panel view 10 5 Function and application 11 5 1 Network element type 11 5 2 Network topology 12 5 3 Clock 13 5 4 Protection switch 14 6 Installation Preparation 17 6 1 Cautions 17 6 2 Installation 17 6 2 1 Cable preparation 17 6 2 2 Install the extension slot 17 6 2 3 Connect 155M SDH interfaces 18 6 2 4 Conn...

Страница 4: ...Raisecom Technology Co Ltd 3 6 3 4 2 fiber ring topology 21 7 Q A 22 8 Appendix A How to make CONSOLE cable 23 9 Appendix B Terminologies and abbreviations 24 ...

Страница 5: ...ment and maintenance 2 1 Main feathers z Provide two STM 1 interfaces with options of either two individual STM 1 or 1 1 path protection z The device consists of main card and sub card and the main card provides 16 E1 interfaces and sub card provides 4 8 Ethernet interfaces or 16 E1 interfaces z Ethernet interface supports encapsulation of GFP and LAPS the minimum service bandwidth is 2M it also s...

Страница 6: ...155 stands for the rate of STM 1 2 3 Part number explanation Type Explanation OPCOM3100 155 SC E1 E1 sub card provide 16 E1 interfaces OPCOM3100 155 SC FE 4TX EOS sub card provide 4 Ethernet electrical interfaces OPCOM3100 155 SC FE 8TX EOS sub card provide 8 Ethernet electrical interfaces 2 4 Power number explanation Type Explanation OPCOM3100 155 PWR AC 220V AC OPCOM3100 155 PWR DC48 48V DC OPCO...

Страница 7: ...ers Rate 155 52Mb s Line coding NRZ Optical interface type SC interface 3 3 E1 interface parameters Rate 2048Kb s 50ppm Interface coding HDB3 code Impedance 75Ω unbalance Physical electric feathers compliant with ITU TG 703 standards Jitter performance compliant with ITU TG 823 standards Input jitter compliant with ITU TG 823 standards Output jitter compliant with ITU TG 783 standards 3 4 EOS sub ...

Страница 8: ...ence is the same with that of PC 3 7 Clock parameters Clock mode Locking holding and free running Frequency precision free running 4 6 10 6 relative to traceable G 811 standard clock Holding 0 37 10 6 24 hours Trace range and loss of lock range 4 6 10 6 3 8 Power supply parameters Voltage 48V DC tolerance range 36V 72V 24V DC tolerance range 18V 36V 220V AC tolerance range 180V 260V Power consumpt...

Страница 9: ...ly and 32 E1 interfaces Figure 4 2 front panel with DC power supply 16 E1 interfaces and 4 Ethernet interfaces Figure 4 3 front panels with DC power supply 16 E1 interfaces and 8 Ethernet interfaces 4 2 Front panel indicator lights explanation 5 3 4 2 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 21 Figure 4 4 front panel explanations ...

Страница 10: ...ignal OFF normal 7 10 LOF indicator lights Red ON loss of SDH frame OFF normal 11 1 8 9 16 E1 For the Rx and Tx of 1 16 E1 channel 2mmHM connector And the sequence is Rx of 1 8 E1 channels Tx of 1 8 E1 channels Rx of 9 16 E1 channels Tx of 9 16 E1 channels 12 LNK ACT indicator lights Green SNMP interface indicator light ON connection is normal Flashing data is being transmitted 13 100M indicator G...

Страница 11: ...chnology Co Ltd 10 works normally 20 PWR Green Power supply indicator ON power supply works normally 21 48V power supply inlet Power supply type 220V AC 48V DC 24V DC 4 3 Rear panel view Figure 4 5 rear panel view ...

Страница 12: ...ed E1 or Ethernet signal STM 1 optical signal E1 electrical signal Ethernet signal Figure 5 1 TM network element type 2 Add Drop multiplexer ADM Add Drop multiplexer ADM is the most common network element type in SDH network it has both synchronous multiplexing function and digital cross connection function and can add drop the tributary signal flexibly For example the access E1 signal can be mult...

Страница 13: ...ansmits STM 1 E1 and Ethernet services S T M 1 o p t i c a l s i g n a l E 1 e l e c t r i c a l s i g n a l E t h e r n e t s i g n a l T M T M E 1 e l e c t r i c a l s i g n a l E t h e r n e t s i g n a l Figure 5 3 point to point topology 2 Chain topology Chain topology is made up of two TM devices and several ADM devices Data is often transmitted in bi direction and less optical fiber is nee...

Страница 14: ...t Free running clock module will work at the inside oscillator frequency 2 Clock source select The clock mode of OPCOM3100 is related to master slave station Master station uses free running mode and slave station uses recovered clock For slave station there are two recovered clock references the first optical line primary reference clock and the second optical line standby reference clock OPCOM31...

Страница 15: ...tch conditions Path protection TU_AIS TU_LOP TU_AIS TU LOP are caused by Segment SPI LOS RS LOF MS AIS MS EXC MS SD optional AU AU AIS AU LOP HP HP LOM HP EXC HP SD optional 1 Protection switch in chain topology work Optical port 1 OPCOM3100 155 OPCOM3100 155 OPCOM3100 155 OPCOM3100 155 protect Optical port 2 Optical port 1 Optical port 2 As the above figure in chain 1 1 path protection between tw...

Страница 16: ...s the same that is to say if a note transmits data clockwise so does it receives data but the routing is not the same e g if station A transmits data to station C the routing is A B C and if station A receives data from C the routing is C D A so the middle stations passed by are not same See in the following figure A B C D S S P P CA AC AC CA A B C D S S P P CA AC AC CA a b switch The Tx and Rx ro...

Страница 17: ...ally Data from C to A is the same process The Tx and Rx routing is in figure b when the fiber is cut off for the signal in S fiber is lost the switch will shift from S fiber to P fiber to receive the data transmitted by P fiber so the service between station A and C will go on After 5 12 minutes the switch will recover if the fault is resolved and the service from C to A will not be effected ...

Страница 18: ...configuration manual and command manual Use the device properly 6 2 Installation 6 2 1 Cable preparation The cables you need to prepare are Table 6 1 OPCOM3100 155 cable specifications Interface Specifications 10 100Mbps Ethernet electrical interface SNMP interface 100Base T category 5 UTP the maximum distance is 100m users provide CONSOLE cable Refer to appendix Raisecom provides Optical fiber Mu...

Страница 19: ...ber stands for the first channel to the eighth channel 6 2 5 Connect Ethernet port If there is Ethernet service Connect the Ethernet port through Ethernet cable with router or Ethernet switch and the LNK ACT will ON if the connection is correct 6 2 6 Connect SNMP network management port Connect the SNMP network management port through Ethernet cable with related device and the LNK ACT will ON if t...

Страница 20: ... cable Make sure of firm installation and no short circuit then power on If you use 220V AC use the affixing power supply cable After powered on PWR indicator light will be normal and the system has finished initialized if SYS starts to flick 6 2 9 Service configuration OPCOM3100 support time slot configuration of VC12 level please refer to command manual and configuration manual 6 3 Connections D...

Страница 21: ...Optical port 1 Optical port 1 Optical port 2 Optical port 2 Figure 6 1 Point to point topology 6 3 2 Chain topology without protection See in figure 6 2 OPCOM3100 155 OPCOM3100 155 OPCOM3100 155 Optical port 1 OPCOM3100 155 Optical port 1 Optical port 1 Optical port 2 Optical port 2 Optical port 1 Figure 6 2 Chain topology without protection 6 3 3 Chain topology with protection See in figure 6 3 ...

Страница 22: ...1 Optical port 1 Optical port 2 Optical port 2 Optical port 2 Optical port 2 Optical port 2 Optical port 2 Figure6 3 Chain topology with protection 6 3 4 2 fiber ring topology See in figure 6 4 Optical port 1 Optical port 1 Optical port 1 Optical port 1 Optical port 2 Optical port 2 Optical port 2 Optical port 2 Figure 6 4 2 fiber ring topology ...

Страница 23: ...onnected correctly second if there are still alarms when self loop the cable perhaps optical attenuation is needed change the cables if there are still alarms then there is something wrong with device Indicator light of Ethernet interface or SNMP network management interface is OFF First check whether the cable works normally or not then check whether the devices connect to Ethernet interface or S...

Страница 24: ...endix A How to make CONSOLE cable CONSOLE interface cable CONSOLE interface uses RJ45 connector and the pin definition is as follows RJ 45 Pin number Signal Relative PC Pin number 1 NC 2 DSR 6 3 RxD 3 4 GND 5 5 GND 5 6 TxD 2 7 DTR 4 8 NC ...

Страница 25: ...and abbreviations STM 1 Synchronous Transport Module N SDH Synchronous Digital Hierarchy TM Terminal Multiplexer ADM Add Drop Multiplexer GFP The Generic Frame Protocol LAPS Link Access Procedure SDH LCAS Link capacity adjustment scheme EOS Ethernet Over SDH ...

Страница 26: ...Raisecom Technology Co Ltd 25 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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