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OptiX RTN 600

Product Description

Commercial in Confidence

Page 16 of 44

Chapter 4 RF Configuration

4.1 1+0 Configuration

For a 1+0 microwave transmission system, there is one active channel and there is no

standby channel.

4.1.1 Configuration Requirements

Table 4-1

Requirements for 1+0 configuration

Component

Configuration Requirement

IF1A/IF1B

1 PCS

ODU

1 PCS

Antenna

1 PCS

4.1.2 System Block Diagram

Service

interface

unit

IF unit

ODU

RF signal

IF signal

IDU

Cross-connect unit

Service

signal

Fan and

power

unit

Clock

unit

Control

unit

Auxiliary

interface

unit

Antenna

Control and

overhead bus

Figure 4-1

Block diagram of a 1+0 microwave transmission system

Summary of Contents for OptiX RTN 600

Page 1: ...OptiX RTN 600 Product Description ...

Page 2: ...ologies Co Ltd provides customers with comprehensive technical support and service Please feel free to contact our local office or company headquarters Huawei Technologies Co Ltd Address Administration Building Huawei Technologies Co Ltd Bantian Longgang District Shenzhen P R China Postal Code 518129 Website http www huawei com ...

Page 3: ...uawei Technologies Co Ltd in the People s Republic of China and certain other countries All other trademarks and trade names mentioned in this document are the property of their respective holders Notice The information in this manual is subject to change without notice Every effort has been made in the preparation of this manual to ensure accuracy of the contents but all statements information an...

Page 4: ...le Network Management Modes 7 2 11 Complete Network Management Information Interworking Schemes 7 2 12 Easy Installation 7 2 13 Easy Commissioning and Maintenance 8 Chapter 3 Structure 9 3 1 System Architecture 9 3 2 Hardware Structure 10 3 2 1 IDU 10 3 2 2 ODU 12 3 3 Software Architecture 13 3 3 1 NMS software 13 3 3 2 NE Software 13 3 3 3 Board Software 13 3 4 Service Signal Processing Flow 14 C...

Page 5: ... Networking 25 5 5 Microwave Ring Networking 26 5 6 Hybrid Networking 27 Chapter 6 Network Management System 29 6 1 NM Solution 29 6 2 Web LCT 29 6 2 1 Functionality 29 6 2 2 Networking 30 6 3 T2000 32 6 3 1 Functionality 32 6 3 2 Networking 33 6 4 T2100 34 Chapter 7 Performance 35 7 1 Radio Performance 35 7 1 1 Frequency Band 35 7 1 2 Receiver Sensitivity 35 7 1 3 Modem Performance 36 7 1 4 IF Pe...

Page 6: ...erface 40 7 4 Jitter Performance 41 7 5 Clock Timing and Synchronization Performance 41 7 6 Integrated System Performance 41 7 6 1 Dimensions 41 7 6 2 Weight 42 7 6 3 Power Supply 42 7 6 4 Power Consumption 42 7 6 5 EMC 42 7 6 6 Lightning Protection 43 7 6 7 Security 43 7 6 8 Environment 43 ...

Page 7: ...n provide back haul links in a private network or a mobile telecommunication network and can also network with optical transmission systems 1 2 Components The OptiX RTN 600 adopts a split structure The system consists of the indoor unit IDU and the outdoor unit ODU An ODU is connected to an IDU through a coaxial cable I IDU The IDU is of two types IDU 610 1U one IF board 1 0 configuration IDU 620 ...

Page 8: ... two types of antenna configurations One ODU using one antenna The ODU is installed on the back of the antenna Two ODUs sharing one antenna An RF signal combiner splitter hereinafter referred to as hybrid coupler is used between the antenna and the two ODUs Figure 1 3 One ODU using one antenna configuration ...

Page 9: ...OptiX RTN 600 Product Description Commercial in Confidence Page 3 of 44 Figure 1 4 Two ODUs sharing one antenna configuration ...

Page 10: ...m services rapidly The IDU adopts the design of plug in boards The two types of IDUs can share boards 2 2 High Integration IDU 610 dimensions 442 mm x 44 mm x 215 mm width x height x depth two layer structure IDU 620 dimensions 442 mm x 87 mm x 215 mm width x height x depth four layer structure ODU dimensions 267 mm x 89 mm diameter x thickness The power unit cross connect unit and clock unit are ...

Page 11: ...interface RS232 asynchronous data interface 1 1 10 100BASE T x NM interface 1 1 10 100BASE T x NE cascade interface 1 1 Management interface Management serial port 1 1 Alarm interface Alarm input out interface 6 inputs 2 outputs 6 inputs 2 outputs a The OptiX RTN 610 supports four STM 1 interfaces when it functions as a pure optical transmission system b The OptiX RTN 620 supports 10 STM 1 interfa...

Page 12: ...ports 1 1 backup of input power and 2 1 backup of internal power modules The OptiX RTN 620 supports 1 1 backup of the cross connect unit and the timing unit The six fans in the OptiX RTN 620 back up one another When one fan fails other fans can ensure that the IDU can work for up to 96 hours at a temperature of 55 C The OptiX RTN 620 supports three RF protection configurations that is 1 1 FD 1 1 S...

Page 13: ...h the physical layer and the network layer In the physical layer the OptiX RTN 600 uses the following A self defined DCC byte in the PDH microwave frame to carry the NM information The D1 to D3 bytes in the SDH microwave frame and the SDH frame to carry the NM information The D4 to D12 bytes in the SDH microwave frame and the SDH frame to carry the NM information The D1 to D12 bytes in the SDH mic...

Page 14: ...opback functions at the service port and the IF port Integrated test system You can perform the BER test for E1 ports when there are no special test tools The monitoring of important radio transmission performance indexes such as the microwave launch power received signal strength indicator RSSI and residual BER Removable storage card The storage card is used to store the data configuration files ...

Page 15: ...nit IF unit ODU Fan and power unit Clock unit Control unit Auxiliary interface unit E1 STM 1e STM 1o 48V 60V DC RF signal IF signal Asynchronous data Orderwire data External alarm data External clock or WS data NE cascading interface NM data Debugging data IDU Baseband signal Baseband signal Control and overhead bus Antenna Figure 3 1 System architecture ...

Page 16: ...t SCC EOW Provides the orderwire interface Provides the asynchronous data interface Provides the external alarm input output interface Fan and power unit PXC PWR SCC PWR IF1A PWR IF1B PWR FAN Provides 48 V 3 3 V power for the IDU Supports the backup function of the input power supply and the internal power supply Provides 48 V power for the ODU Provides fans for the system ODU ODU Converts signals...

Page 17: ...ross connect clock board Slot 1 Slot 1 3 Accesses one 48 V 60 V DC power signal Provides full timeslot cross connection for VC 12 VC 3 VC 4 services equivalent to 16x16 VC 4 SCC System control and communication board Slot 2 Integrates an EOW subboard occupying the logical slot 21 IF1A Isolated intermediate frequency board IF1B Non isolated intermediate frequency board Slot 4 Slot 5 6 7 8 Provides ...

Page 18: ...dual STM 1 electrical port board Provides two 75 ohm STM 1 electrical interfaces PO1 8xE1 tributary board Provides eight 75 120 ohm E1 interfaces PH1 16xE1 tributary board Slot 3 4 Slot 4 5 6 7 8 Provides 16 75 120 ohm E1 interfaces FAN Fan board Slot 20 3 2 2 ODU The ODU is the outdoor unit of the OptiX RTN 600 system It performs frequency conversion and amplification for RF signals The ODU is an...

Page 19: ...Architecture The software package of the OptiX RTN 600 contains the network management system NMS software NE software and board software 3 3 1 NMS software Refer to Chapter 6 Network Management System 3 3 2 NE Software The NE software runs on the SCC board It monitors manages and controls the running status of the NE The NMS uses the NE software to communicate with the boards and control and mana...

Page 20: ...frames Extracts the overheads from the STM 1 frames Transmits the VC 4 signals in the STM 1 frames to the cross connect unit through the service bus 2 PXC IDU Cross connects the VC 4 signals to the service bus of the IF1A IF1B board 3 IF1A IF1B IDU Multiplexes the VC 4 signals microwave frame overheads and pointers into STM 1 microwave frames Scrambling FEC coding Digital modulation D A conversion...

Page 21: ...s to the IF1A IF1B 2 IF1A IF1B IDU Splits the received analog IF signals and ODU O M signals Controls the level of the analog IF signals through the AGC circuit Performs A D conversion for the IF signals Digital demodulation Time domain adaptive equalization FEC decoding Synchronizes and descrambles the frames Extracts overheads from microwave frames Extracts VC 4 signals from microwave frames and...

Page 22: ...onfiguration Requirements Table 4 1 Requirements for 1 0 configuration Component Configuration Requirement IF1A IF1B 1 PCS ODU 1 PCS Antenna 1 PCS 4 1 2 System Block Diagram Service interface unit IF unit ODU RF signal IF signal IDU Cross connect unit Service signal Fan and power unit Clock unit Control unit Auxiliary interface unit Antenna Control and overhead bus Figure 4 1 Block diagram of a 1 ...

Page 23: ...1B 2 PCS ODU 2 PCS Antenna 2 PCS 4 2 2 System Block Diagram Service interface unit ODU RF signal IF signal IDU Cross connect unit Service signal Fan and power unit Clock unit Control unit Auxiliary interface unit IF unit IF unit ODU IF signal RF signal Service signal Antenna Antenna Control and overhead bus Figure 4 2 Block diagram of a 2 0 microwave transmission system 4 3 1 1 HSB Configuration I...

Page 24: ...ntenna Figure 4 3 Block diagram of a 1 1 HSB microwave transmission system 4 3 3 Switching Principle I Transmit Direction The cross connect unit transmits two service signals to the active and the standby IF units Normally only the active ODU transmits the RF signals to the antenna If the active IF unit or the active ODU becomes faulty the standby ODU takes over and starts to transmit signals to t...

Page 25: ...and one channel signal is selected In this way the fading in the signal transmission is reduced In a 1 1 FD system the frequency correlation of two channels is required to be small enough to avoid simultaneous severe fading occurring to the receive signals of the two diversities thus ensuring a better quality of frequency diversity The 1 1 FD switching does not affect services 4 4 1 Configuration ...

Page 26: ...ignal RF signal f2 Antenna Baseband signal Control and overhead bus Figure 4 4 Block diagram of a 1 1 FD microwave transmission system one antenna Service interface unit ODU main RF signal f1 IF signal IDU Cross connect unit Service signal Fan and power unit Clock unit Control unit Auxiliary interface unit IF unit main IF unit standby ODU standby IF signal RF signal f2 Baseband signal Antenna Ante...

Page 27: ...d signals to each other When one unit detects that there are bit errors or faults in its received signal from the ODU it selects the better quality signal transmitted from the other unit The cross connect unit always selects the service signal from the active IF unit Note 1 1 FD is compatible with HSB When the active IF unit or the active ODU becomes faulty the cross connect unit selects the servi...

Page 28: ...Baseband signal Antenna Antenna Control and overhead bus Figure 4 6 Block diagram of a 1 1 SD microwave transmission system 4 5 3 Switching Principle I Transmit Direction The cross connect unit transmits two service signals to the active and the standby IF units Normally only the active ODU transmits the RF signals to the antenna If the active IF unit or the active ODU becomes faulty the standby O...

Page 29: ...ys selects the service signal from the active IF unit Note 1 1 SD is compatible with HSB If the active IF unit or the active ODU becomes faulty the cross connect unit selects the service signal from the standby IF unit The HSB switching can interrupt services 1 1 SD also supports reverse switching The HSB can be triggered when the local NE receives the RDI signal coming from the remote NE ...

Page 30: ...are not directly connected Figure 5 2 shows a chain network without protection for its microwave links In this example the terminal nodes adopt 1 0 configuration and the intermediate one adopts 2 0 configuration OptiX RTN 600 OptiX RTN 600 OptiX RTN 600 1 0 2 0 1 0 Figure 5 2 Chain networking without protection Figure 5 3 shows a chain network that offers protection to its microwave links In this ...

Page 31: ... the network edge the OptiX RTN 600 adopts 1 0 configuration and the microwave capacity is 4xE1 OptiX RTN 600 8x E1 1 1 OptiX RTN 600 16 x E1 STM 1 OptiX RTN 600 OptiX RTN 600 OptiX RTN 600 1 1 1 0 1 0 1 0 OptiX RTN 600 2 0 4 x E1 4x E1 1 0 OptiX RTN 600 Figure 5 4 Tree networking 5 4 Fiber Ring Networking In this networking mode optical transmission systems form a ring through fiber connection an...

Page 32: ...opts the protection mechanism of a two fiber bidirectional multiplex section shared protection ring The microwave link is connected to the ring through an STM 1 optical interface OptiX RTN 600 OptiX RTN 600 STM 4 MSP ring STM 1 unprotected chain ADM ADM ADM ADM Figure 5 6 Fiber ring networking microwave services indirectly accessed 5 5 Microwave Ring Networking In this networking mode the OptiX RT...

Page 33: ...ng networking Note The OptiX RTN 600 also supports PDH microwave networking In this case the SNCP protection mechanism can also be applied 5 6 Hybrid Networking In this networking mode the OptiX RTN 600 and optical transmission systems form a ring network Figure 5 8 shows an STM 1 hybrid network The ring adopts the SNCP protection mechanism The OptiX RTN 600 adopts 1 0 configuration ...

Page 34: ...OptiX RTN 600 Product Description Commercial in Confidence Page 28 of 44 OptiX RTN 600 OptiX RTN 600 OptiX RTN 600 OptiX RTN 600 ADM ADM STM 1 SNCP ring Figure 5 8 Hybrid networking ...

Page 35: ...ager T2000 subnetwork level management system iManager T2100 network level management system iManager T2100 iManager T2000 Web LCT Network level NM Subnet level NM Local craft terminal iManager T2000 iManager T2100 Figure 6 1 NM solution of a transport network 6 2 Web LCT The Web LCT is a local craft terminal Users can access the Web LCT terminal through the Internet Explorer and thus achieve the ...

Page 36: ...ork DCN and performs management Web LCT server IE terminal IE terminal DCN Target NE Figure 6 2 Web LCT networking mode near end Note The Web LCT server can access the management serial port of the NE to perform NE management through a serial port cable The OptiX RTN 600 also supports one upper NE managing a lower NE The upper NE acts as a hub and a part of the DCN network This is also a type of n...

Page 37: ...icates with the target NE using embedded control channel ECC The GNE interfaces between the Web LCT server and the target NE to forward messages Web LCT server IE terminal IE terminal DCN ECC Gateway NE Target NE Figure 6 4 Web LCT networking mode gateway mode Note The GNE can be any of Huawei OptiX series of transmission products ECC employs either the SDH DCC or the microwave DCC for transmissio...

Page 38: ...iform management over a transmission network composed of Huawei s OptiX series of transmission products 6 3 1 Functionality I NE Layer Management Object NE management NE level alarm management NE level security management NE level communication management NE level configuration management II Network Layer Management Topology management Network level alarm management Network level security manageme...

Page 39: ...olutions for small and medium transmission networks Working with the upper level network management system through the standard external interfaces the T2000 can assist the network layer management system and the service layer management system in managing large transmission networks T2000 OptiX product network Figure 6 6 Single layer management network ...

Page 40: ... T2100 client and thus achieve uniform management over multiple transmission networks composed of Huawei s OptiX series of transmission products The T2100 and the T2000 form a hierarchical management network to manage large transmission networks The hierarchical management system has the following features Strengthens the network management ability Realizes uniform network management Separates NE ...

Page 41: ...7 17 685 to 19 710 22 000 to 23 608 T R spacing MHz 161 420 1010 1008 Channel spacing MHz 3 5 7 14 28 3 5 7 14 28 3 5 7 13 75 27 5 3 5 7 14 28 7 1 2 Receiver Sensitivity Table 7 2 Receiver sensitivity Performance 4xE1 8xE1 16xE1 STM 1 Item QPSK 16QAM QPSK 16QAM QPSK 16QAM 128QAM RSL BER 10 6 dBm 7GHz 91 5 87 5 88 5 84 5 85 5 81 5 70 5 15GHz 91 0 87 0 88 0 84 0 85 0 81 0 70 0 18GHz 91 0 87 0 88 0 8...

Page 42: ...ing for SDH signals Adaptive time domain equalizer for baseband signals Consisting of the 24 tap feed forward equalizer filter and the 3 tap decision feedback equalizer a At 18 GHz the channel spacing is 13 75 MHz At other frequency bands the channel spacing is 14 MHz b At 18 GHz the channel spacing is 27 5 MHz At other frequency bands the channel spacing is 28 MHz 7 1 4 IF Performance Table 7 4 I...

Page 43: ...3 Nominal minimum transmit power dBm 4 Stability of the transmit frequency ppm 5 7 1 6 Multipath Immunity Table 7 6 Multipath immunity Item Static Dynamic STM 1 128QAM minimum phase MP recess depth dB 37 32 STM 1 128QAM non MP recess depth dB 29 23 STM 1 128QAM dispersion fading margin dB 54 7 2 Reliability Table 7 7 Component reliability Performance Item IDU 610 IDU 620 ODU MTBF h 17 04 x 10 4 26...

Page 44: ...ominal bit rate kbit s 155520 Classification code Ie 1 S 1 1 L 1 1 L 1 2 Fiber type Multi mode fiber Rec G 652 Rec G 652 Rec G 652 Transmission distance km 0 5 15 40 80 100 Operating wavelength nm 1260 to 1360 1261 to 1360 1263 to 1360 1480 to 1580 Mean launched power dBm 19 to 14 15 to 8 5 to 0 5 to 0 Receiver minimum sensitivity dBm 23 28 34 34 Minimum overload dBm 14 8 10 10 Minimum extinction ...

Page 45: ...al bit rate kbit s 155520 Code pattern CMI Coded Mark Inversion Wire pair in each transmission direction One coaxial wire pair Impedance ohm 75 7 3 3 E1 Interface The performances of the E1 interface are compliant with ITU T G 703 The following table provides the primary performances Table 7 11 E1 interface performance Item Performance Nominal bit rate kbit s 2048 Code pattern HDB3 High Density Bi...

Page 46: ...e ohm 600 7 3 5 Wayside Service Interface Table 7 13 Wayside service interface performance Item Performance Transmission path Uses the user defined byte in the overhead of the microwave frame Nominal bit rate kbit s 2048 Wire pair in each transmission direction One coaxial wire pair Impedance ohm 75 7 3 6 Asynchronous Data Interface Table 7 14 Asynchronous data interface performance Item Performan...

Page 47: ...nce Item Performance External synchronization source 2048 kbit s compliant with ITU T G 703 6 or 2048 kHz compliant with ITU T G 703 10 Frequency accuracy Pull in hold in and pull out ranges Noise generation Noise tolerance Noise transfer Transient response and holdover performance Compliant with ITU T G 813 ITU T G 783 7 6 Integrated System Performance 7 6 1 Dimensions Table 7 17 Dimensions of th...

Page 48: ...ower input Supports 1 1 standby of a 3 3 V power unit IDU 620 Compliant with ETSI EN300 132 2 Supports two 48 V 38 4 V to 72 V DC power inputs mutual backup Supports 2 1 standby of a 3 3 V power unit ODU Compliant with ETSI EN300 132 2 The IDU provides one 48 V 60 V 38 4 V to 72 V DC power input 7 6 4 Power Consumption Table 7 20 Power consumption Component Power Consumption IDU 610 30 IDU 620 60 ...

Page 49: ... 7 6 6 Lightning Protection Compliant with ITU T K 11 standard Compliant with ITU T K 20 standard Compliant with ITU T K 27 standard Compliant with ETSI EN 300 253 standard 7 6 7 Security Passes CE authentication Compliant with ETSI EN 60215 Compliant with ETSI EN 60950 Compliant with IEC 60825 7 6 8 Environment The IDU is a unit used in a place which has weather protection and where the temperatu...

Page 50: ...ss 1 2 Operation 5 C to 50 C 40 C to 45 C without solar radiation 40 C to 60 C with solar radiation 1120 W m Air temperature Transportation and storage 40 C to 70 C 45 C to 70 C Operation 5 to 95 Relative humidity Transportation and storage 10 to 100 5 to 100 Operation 700 W m Solar radiation Transportation and storage 1120 W m 1120 W m Operation 4000m 4500m Altitude Transportation and storage 500...

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