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Chapter 3 Interfaces and Communications

Confidential and Proprietary Information of ZTE CORPORATION

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I G U R E

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P A T I A L

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As shown in Figure 18, Node 1 in the outer ring sends the

service to Node 4. Node 2 sends the service to Node 3. Node
5 sends the service to Node 6. With the spatial reuse

technology, the unicast service from Node 5 to Node 6 is able
to occupy the whole space. The service from Node 1 to Node

4 only occupies the bandwidth from Node 2 to Node 3.

Bandwidth control
The bandwidth-control algorithm dynamically negotiates
available bandwidth between the nodes on the ring. This
applies only to the low-priority service. It ensures that nodes

will not be disadvantaged because of ring location or
changing traffic patterns. The algorithm only manages

congestion, enabling nodes to maximize the use of any spare
capacity. Nodes can be inserted or removed from the ring

without any bandwidth provisioning by the host.

Fair bandwidth
The RPR is a sharing ring. It needs an access control
mechanism to ensure fair bandwidth and control latency. The
access control mechanism contains the global access control

and local access control.

f

Global access control: Control all nodes to obtain a fair

bandwidth globally.

f

Local access control: Control one span in the ring to

optimize the bandwidth.

Physical layer
The RPR specifies the MAC standard and interface
specifications from MAC to PHY, including PLCP. RPR packets
can be transported over both SDH/SONET and Ethernet

physical layers.

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Содержание ZXA10 S300

Страница 1: ...g Unit Technical Manual Version 1 1 ZTE CORPORATION ZTE Plaza Keji Road South Hi Tech Industrial Park Nanshan District Shenzhen P R China 518057 Tel 86 755 26771900 800 9830 9830 Fax 86 755 26772236 URL http support zte com cn E mail doc zte com cn ...

Страница 2: ...aimed including without limitation any implied warranty of merchantability fitness for a particular purpose title or non infringement ZTE CORPORATION and its licensors shall not be liable for damages resulting from the use of or reliance on the information contained herein ZTE CORPORATION or its licensors may have current or pending intellectual property rights or applications covering the subject...

Страница 3: ...l Accuracy Content Good Fair Average Poor Bad N A Your suggestions for improvement of this documentation Please check the suggestions which you feel can improve this documentation Improve the overview introduction Make it more concise brief Improve the Contents Add more step by step procedures tutorials Improve the organization Add more troubleshooting information Include more figures Make it less...

Страница 4: ...This page is intentionally blank ...

Страница 5: ... 1 Standards Observed 2 System Functions 6 System Working Principle 11 Hardware Principle 11 Software Principle 12 Hardware Structure 14 Overall System Architecture 14 Board Types 15 Software Structure 16 Software Module of NOWC Board 16 Software Module of Transmission Convergence Board 20 Software Module of TDM Line Card 24 Subsystem of EOS Software 25 RPR Software Subsystem 27 Chapter 2 29 Techn...

Страница 6: ...lity 42 Performance Index of ATM Interface 42 Protection Switching 43 Protection Mode 43 SDH Protection Switching 43 Protection Switching Criterion for Ethernet Services 44 ATM VP Protection Criterion and Index 44 Timing and Synchronization Function and Performance Indexes 45 Frequency Accuracy 45 Frequency Capture and Out of lock Range 45 Synchronization Clock Source 45 Switching of Reference Clo...

Страница 7: ...ard 58 External E1 Interface of LIU E1BU 58 Clock Interface 60 RPR Technology 60 Introduction 60 Features 60 RPR Protection Mechanism 62 A B C Services 62 Chapter 4 65 Networking Mode and System Configuration 65 Configuration Description 65 Board Configuration Requirement 66 NMS Configuration Function 68 System Networking and Standard Configuration 69 System Networking 69 Standard Configuration 69...

Страница 8: ...Figures 87 Tables 89 ...

Страница 9: ...the access network technology Familiarity with the following is helpful The ZXA10 system and its various components User interfaces What is in This Manual This Manual contains the following chapters TAB L E 1 CHAP T E R SU M M AR Y Chapter Summary Chapter 1 Overview Introduces the system background relevant standards architecture and characteristics Chapter 2 Technical Indexes Introduces technical...

Страница 10: ...1 Integrated Access Service Dispatching Unit Operation Manual ZXA10 S300 V1 1 Integrated Access Service Dispatching Unit Maintenance Manual Conventions ZTE documents employ the following typographical conventions TAB L E 2 TYP O G R AP H I C AL CO N V E N T I O NS Typeface Meaning Italics References to other Manuals and documents Quotes Links on screens Bold Menus menu options function names input...

Страница 11: ... a mouse button and moving the mouse How to Get in Touch The following sections provide information on how to obtain support for the documentation and the software If you have problems questions comments or suggestions regarding your product contact us by e mail at support zte com cn You can also call our customer support center at 86 755 26771900 and 86 800 9830 9830 ZTE welcomes your comments an...

Страница 12: ...ZXA10 S300 V1 1 Integrated Access Service Dispatching Unit Technical Manual iv Confidential and Proprietary Information of ZTE CORPORATION This page is intentionally blank ...

Страница 13: ...MANs should be a user oriented comprehensive platform to provide data voice and video services The convergence layer and access layer of the MAN involve several types of devices require complicated access methods and have very high requirements for interfaces Many operators not only need to provide the subscribers with TDM based voice services but also Internet data and leased line services The ZX...

Страница 14: ...operators to quickly develop services unify management and reduce operation costs The series integrated access service Dispatching Unit include ZXA10 S300 ZXA10 S200 and ZXA10 IST They can be networked in a mixed way S300 is usually used for the service convergence nodes with intermediate and large capacity S200 is used for the ONU nodes with intermediate capacity and the OLT nodes with intermedia...

Страница 15: ...rmance YD T 1011 1999 Technical Requirements and Test Methods for Slave Clock Equipment of Independent Nodes on Digital Synchronous Network YDN 086 1998 Network Management Technical Mechanism for SDH Transfer Network YD T 1012 1999 Clock Series of Digital Synchronous Network Node and the Timing Features YD T 1007 1999 Allocation of Transmission Performance Indexes on the Access Network Internation...

Страница 16: ...ced Twisted Pairs IEEE 802 3x Full Duplex and Flow control on 10BaseT and 100BaseT ports IEEE 802 3u 100BaseTX and 100BaseFX specification IEEE 802 3z 1000BaseX specification ITU T G 805 2000 3 Transfer Network Common Function Architecture ITU T G 780 1999 6 Glossary of SDH Network and Equipment ITU T G 810 1996 8 Definitions and Glossary of Synchronous Networks ITU T G 707 2000 SDH Network Node I...

Страница 17: ...anagement ITU T G 854 6 Computation Conception of Path Management ITU T G 853 1 Generic Elements of Transmission Network Management Information Conception ITU T G 853 2 Information Conception of Subnet Connection Management ITU T G 853 3 Information Conception of Topology Management ITU T G 853 6 Information Conception of Path Management Corporate Standards and Others The corporate standards it fo...

Страница 18: ...ction of Equipment GJB 299A 91 Reliability Estimation Manual for Electronics Equipment System Functions ZXA10 S300 aims at the convergence layer and access layer of the MAN It is capable of multi NE layer L2 Ethernet switching ATM switching and TDM transfer provides E1 STM 1 STM 16 10 100 Mbps Ethernet GE POS and ATM interfaces and enables self healing protection ZTE10 S300 enables automatic times...

Страница 19: ...DH interface SDH or POS interface GFP LAPS HDLC RPR MAC layer processing ATM interface Ethernet interface STM N interface Support concatenation POS interface TDM mapping and pre processing ATM layer processing L2 switch L2 switch Physical layer overhead processing Multiplex and interface conversion Service scheduling and core switching single plane or double plane Provide aggregate RPR interface P...

Страница 20: ...ervice TDM service f Adopts standard SDH STM N mapping multiplex structure and provides PDH tributary interfaces 2 M f Provides standard STM N interfaces and PDH 2 M interfaces and supports multiple networking modes and the interconnection of optical electrical interfaces from different manufacturers f Provides high order low order cross connect capabilities of TDM services and supports 56 56 VC4 ...

Страница 21: ...0 S300 has the following Ethernet service transparent transmission functions f Configurable transmission link bandwidth f Ensured transparence of Ethernet services including the transparent transmission of Ethernet MAC frames and VLAN tags Ethernet Layer 2 switching service The Layer 2 switching function supported in the ZXA10 S300 refers to data packet switching based on Ethernet link layer betwe...

Страница 22: ...processing STM N interface VC Mapping Multiplex section Regenerator section For lots of access equipment the uplink interfaces are ATM interfaces The ZXA10 S300 serves as a multi service access platform Due to the location of THE ZXA10 S300 in the telecom network the ATM has following features f Provides multi layer reliability protection Protection and straight through protection of the VPRING in...

Страница 23: ...ting principles of the OSPF and provides fast route convergence function At the application layer a user defined message structure is adopted to transmit the messages between the NEs The ECC protocol stack is applied to the 155 M 622 M and 2 5 G optical interfaces in THE ZXA10 S300 It can interwork with the upgraded ECC protocol stack of the original built in 155 M SDH device of ZXA10 AS1 and ZXA1...

Страница 24: ...ple services It can do cross connect with four granularity levels VC3 VC4 VC4 4C and VC12 An open universal high speed serial bus is used as the backplane bus for the interconnection of cross connect matrixes and line cards It supports mixed access of the Ethernet ATM and TDM Software Principle The software system of THE ZXA10 S300 consists of three layers Transmission NMS SMN software including t...

Страница 25: ...to the TAA board TDM line cards including 2 5 G 622 M 155 M optical line boards E1 electrical tributary board and 10M 100M Ethernet transparent transmission board ES line card and ATM line card The communication message between it and the line cards should be processed and forwarded by the corresponding module of the NE order wire control board The software module of the NE order wire control boar...

Страница 26: ...tandard sub rack 221 6 mm 482 6 mm 477 mm Height Width Depth The sub rack has six layers with an opposite insertion structure Ten boards can be inserted into the front panel and six boards can be inserted into the back panel There are two indicators and one ESD bonding point in the right bottom The CST indicator is the same as the RUN indicator of the NOWC board The FTS indicators indicate the tem...

Страница 27: ...t If the P power supply is used no monomer power supply is required under the CSV Otherwise monomer power supply is required under the CSV For the convenience of cabling an 1 U cabling sub rack is required under the ZXA10 S300 All lead out cables are routed to the back of the cabinet via the cabling trough are bound in the binding beam and finally are sent to user equipment or go out of the cabine...

Страница 28: ... and line cards Meanwhile it obtains the time postmark of the static configuration data from the transmission NMS SMN through the Ethernet interface or ECC protocol stack If the static configuration data in the NOWC Flash is different from the postmark in the SMN the NOWC software will obtain the database with different time postmarks from the SMN write it into the Flash and reconfigure it to the ...

Страница 29: ...ing the database synchronization between the NS board and the SMN during power on f Distributing the messages between the Manager and Agent through the QSDH standard structure System management module f Downloading the software version of the NOWC board TAA board and various line cards f Uploading downloading and allocating the static configuration database of the NE f Showing the software version...

Страница 30: ...formance management module f Monitoring the performance of all NEs f Implementing 15 minute one day and 15 minute zero counter performance data with an accuracy of one second f Setting 15 minute performance monitoring threshold and one day performance monitoring threshold and reporting one threshold exceeding event alarm in the current counting period if the performance value exceeds this threshol...

Страница 31: ... function provided by the mapping chip to test the BER of the channel without the BER tester the corresponding performance point should be added into the performance management module f EOS related maintenance functions Forcing the software reset and hardware reset of the EOS line card Communication link test The NMS provides a command similar to PING command to test the packet loss rate from the ...

Страница 32: ...t will be printed on the database during its modification by the SMN The NOWC board cannot modify the postmark of the database It can only check whether the postmarks of the NOWC board and SMN are consistent to judge whether their databases are consistent Software Module of Transmission Convergence Board During the initialization the transmission convergence board loads the database from the Flash...

Страница 33: ... the system is configured with two core boards the main control module implements the changeover of the two core boards including service changeover clock changeover and network management changeover Service configuration module f NE attribute configuration The attribute configuration is stored in the NE attribute base and is used to set the protection mode of the NE and to determine whether the S...

Страница 34: ... optimum path of the service according to the resource occupation of the whole network It can only add the service according to the user s requirement To prevent software fault it is prescribed that the automatic configuration module cannot modify and delete existing services The modification and deletion functions of the service are enabled in the NMS software f HighLight function It is similar t...

Страница 35: ... cards do not store the history performance data Maintenance management module Forcing the software reset hardware reset and active standby changeover of the NE core board the active standby changeover can be configured with a time parameter for automatic recover Querying the CPU occupancy of the NE core board Practicing the bidirectional multiplex section protection and dual node protection Line ...

Страница 36: ...board and SMN are consistent to judge whether their databases are consistent Software Module of TDM Line Card The TDM line cards include 2 5 G optical line board OL16A 622 M optical line tributary board OL4A 155 M optical tributary board OL1A E1 electrical tributary board E1C and 10M 100M Ethernet transparent transmission board TAA The basic functions of the TDM line card software include line car...

Страница 37: ...m of EOS Software The enabling shelf diagram of the L2 switching system is shown in the Figure 12 FI G U R E 12 ST R U C T U R E OF L2 SW IT C H IN G SU B S Y S TEM Network management subsystem RTOS BSP L2 protocol family subsystem SDL operating system Relevant hardware subsystem Hardware Database subsystem The module functions of the software of the Ethernet switching board ES and Ethernet switch...

Страница 38: ...ocol family subsystem The switching of the ZXA10 S300 is based on the L2 so the switching protocol family consists of the L2 protocols and L2 switching relevant functions The protocols include GARP GVRPGMRP STP and Trunking LACP Maker and the L2 switching functions include IGMP Snooping address learning and port statistics Database subsystem It implements the storing and application of the EOS con...

Страница 39: ... service connection between two NEs The N VCGs of the ESDGE can interwork with the N ESS8Es of the ONU in the OLT and interwork with the N ETS8Es of the ONU The link capacity adjustment scheme LCAS A VCG can configure many SDH time slots 1 63VC12 or 1 3VC3 and the relationship of the time slots is virtual concatenation The corresponding bandwidth of 1 63VC12 is 1 63 2 176 Mbit s and the correspond...

Страница 40: ...plements four protocols just algorithm topology discovery protection protocol steering wrapping OAM and STP Hardware interface module The hardware interface module provides control and data channel to the NM module and protocol module implementing the interaction between the upper layer and the lower layer The bearer subsystem system contains ten modules OM01 module Packet receiving module OM02 mo...

Страница 41: ...ization Function and Performance Indexes Reliability Environment Indexes SDH Performance Indexes The performance indexes meet the requirements for SDH equipment interface specified in YD T767 1995 and YD T877 1996 Input Jitter Tolerance Indexes at the STM N Interface The input jitter tolerance indexes at the STM N interface contain Input Jitter Tolerance at the STM 1 Interface Jitter Tolerance at ...

Страница 42: ... Peak 2 048 kbit s networks 1544 kbit s networks 10 f 68 7 10 9 UI 10 f 19 3 38 9 UI 0 25 µs 19 3 f 68 7 750 f 1 UI 68 7 f 500 750 f 1 UI 500 f 6 5 k 1 5 UI 6 5 k f 65 k 9 8 103 f 1 UI 65 k f 1 3 M 0 15 UI FI G U R E 13 IT T E R TO L E R AN C E AT T H E STM 1 IN T E R F AC E Jitter Tolerance at the STM 4 Interface Table 6 and Figure 14 show the jitter tolerance indexes at the STM 4 interface TAB L...

Страница 43: ...T T H E STM 4 IN T E RF AC E Jitter Tolerance at the STM 16 Interface Table 7 and Figure 15 show the jitter tolerance indexes at the STM 16 interface TAB L E 7 IN PU T JI T T E R TOL E R AN C E AT T H E STM 16 INT E R F AC E Frequency f Hz Jitter Tolerance Peak Peak 2 048 kbit s networks 1544 kbit s networks 10 f 70 9 1063 5 f 1 UI 70 9 f 500 15 UI 10 f 12 1 622 UI 12 1 f 500 7500 f 1 UI 500 f 5 k...

Страница 44: ...ent bandwidth 3 dB frequencies Hz Allowed Maximum Output Jitter Uipp 500 to 1 3 M 1 5 STM 1 Note 1 65 k to 1 3 M 0 15 1 k to 5 M 1 5 STM 4 Note 1 250 k to 5 M 0 15 5 k to 20 M 1 5 STM 16 Note 1 1 M to 20 M 0 15 Jitter Transfer at the STM N Interface The jitter and wander transfer function at the STM N interface depends on the synchronization mode of the equipment For details see relevant definitio...

Страница 45: ...function is under the curve as shown in Figure 16 FI G U R E 16 G 783 JI T TE R TR AN S F E R FU N C T I O N CU RV E FI G U R E 17 JI T T E R TO L E RAN C E TE M P L AT E DE F I N E D BY G 783 Note The values of A3 A4 f2 and f3 source are from G 825 The input index of the jitter transfer test at the STM N interface is described in Table 9 and the G783 jitter transfer tolerance index is described i...

Страница 46: ...4 G 825 STM 64 1 5 0 15 400 4000 Table 7 G 825 Figure 5 G 825 Note 1 The value at the 2 048 kbit s level in the SDH network has been optimized Note 2 The value at the 1 544 kbit s level in the SDH network has been optimized TAB L E 10 G 783 JIT T E R TR AN S F E R TO L E R AN C E STM N level type ƒc kHz P dB STM 1 A 0130 0 1 STM 1 B 0030 0 1 STM 4 A 0500 0 1 STM 4 B 0030 0 1 STM 16 A 2 000 0 1 STM...

Страница 47: ... kHz respectively The values in the table can be used for interconnection of different networks Alternatively the two parties can follow other conventions Note 3 64 kbit s 1 UI 15 6 µs 2048 kbit s 1 UI 488 ns 8448 kbit s 1 UI 118 ns 34 368 kbit s 1 UI 29 1 ns 139 264 kbit s 1 UI 7 18 ns Physical Characteristics of STM N Optical Interface Comply with ITU T G 957 recommendations Interface of SDH NE ...

Страница 48: ...Ethernet packets to be transferred because of resource shortage under the stable continuous load When the corresponding port for the equipment at subscriber premises goes through line speed processing and actual bandwidth of the SDH link is not less than the bandwidth for the subscriber premises 64 byte packets are used for testing and the packet loss ratio should not be more than 10 6 Delay Delay...

Страница 49: ...s the frame not to be discarded or broadcast during the forwarding Address table establishment rate Up to 1 000 per second at the GE interface VLAN Quantity At the convergence node the number of VLANs is 4 K At the end node the number of VLANs is 255 or 4 K optional The value ranges within 1 4 094 L2 Switching Packet Loss Rate It is less than 0 02 including the L2 switching and mapping de mapping ...

Страница 50: ...ase SX interface TAB L E 14 TR AN S M I T T I N G OP T I C AL PO W E R O F 1000BAS E SX IN T E RF AC E Item 62 5 μmMMF 50 μmMMF Unit Signaling rate range 1 25 100 ppm GBd Wavelength λ range 770 860 nm Trise Tfall maximum 20 80 λ 830 nm 0 26 ns Trise Tfall maximum 20 80 λ 830 nm 0 21 ns RMS spectral width maximum 0 85 nm Mean optical transmitting power maximum Note dBm Mean optical transmitting pow...

Страница 51: ...e cost 2 60 2 20 dB 3 dB high end cutoff frequency of electrical receiving signal maximum 1 500 MHz 10Base TX Interface Table 16 describes the use scope of the 1000Base LX interface TAB L E 16 US E SC O P E OF 1000BAS E LX IN T E R F AC E Fiber Type Module Width 850 nm minimum full load MHz km Minimum Scope m 62 5μmMMF 500 2 550 50μmMMF 400 2 550 50μmMMF 500 2 550 10μmMMF N A 2 5000 Table 17 lists...

Страница 52: ...quired to adjust the fiber pigtail Table 18 lists the requirements of receiving of the 1000Base LX interface TAB L E 18 RE C E I V I N G RE QU I R EM E N T S OF 1000BAS E LX IN T E RF AC E Item 62 5 μmMMF 50 μmMMF 10 μmLMF Unit Signaling rate range 1 25 100 ppm GBd Wavelength λ range 1 270 1 355 nm Mean optical receiving power maximum 3 dBm Receiving sensitivity 19 dBm Return loss minimum 12 dB En...

Страница 53: ...el 2 and level 3 QoS the ATM PVC performance index is determined according to the interface connected with the ATM at the 80 load level Table 20 describes the performance indexes of the STM 1 and STM 4 interfaces at different QoS levels Table 20 does not describe the performance damage caused by the processing of the layers above the ATM layer TAB L E 20 PE R F O RM AN C E IN D E X AF T E R ATM CO...

Страница 54: ... described in the next section Transmitting index of ATM STM 1 multi mode optical interface Table 21 lists the optical transmitting power indexes of the ATM STM 1 multi mode optical interface TAB L E 21 TR AN S M I T T I N G PO W E R O F ATM STM 1 MU LT I M O D E OP T IC AL IN T E R F AC E Item 62 5 125 μsmMMF Unit Type of transmitter Multi mode laser Wavelength λ range 1 270 1 380 nm Trise Tfall ...

Страница 55: ...tching Criterion for Ethernet Services ATM VP Protection Criterion and Index Protection Mode The system supports multiplex section protection MSP subnet connection protection SNCP dual node interconnection DNI protection and L2 switching STP protection MSP SNCP and DNI protection comply with Recommendation G 841 and Recommendation G 842 SDH Protection Switching MSP Criterion and Index For the opti...

Страница 56: ...f ATM is a protection at the VP link level It is to protect service failure of the physical layer and VP layer To improve switching efficiency several VPs with the same source and destination can be combined to form a VPG for switching Switching conditions f ATM layer alarm VP AIS f Physical layer alarm LOS LOF LAIS LOP LCD Guard Period Guard period Less than 50 ms Hold off time The waiting time b...

Страница 57: ...Extension Function Number of Clock Concatenations Frequency Accuracy The output frequency accuracy during the free run of the NE clock is better than 4 6 10 6 The frequency stability in the holdover mode is Frequency deviation 0 37 10 6 20 30 C 24 hours Frequency Capture and Out of lock Range The minimum frequency capture and out of lock range are 4 6 10 6 Synchronization Clock Source It can be ob...

Страница 58: ... the SOH of the STM N frame structure It also supports the SSM switching Recommendation G 707 defines the SSM in the S1 byte of the multiplex section in the STM N frame structure In the S1 byte the 16 codes in Bit 5 Bit 8 stand for different information and indicates the quality level of the clock See Table 23 TAB L E 23 SY N C H R O N I Z AT I O N QU AL I T Y ST AT U S ME S S AG E Serial No Bit 5...

Страница 59: ...erformance indexes of the timing reference interface comply with YD T900 1997 Timing Interface Extension Function The ZXA10 S300 system provides the extended application of the S1 byte to select the optimal clock path that is at the highest stratum and with the smallest number of strata When configured with this function it can seamlessly interconnect with traditional equipment to implement the st...

Страница 60: ...f ZTE CORPORATION Reliability Mean Time Between Failures MTBF 10 000 hours Mission time between critical failures MTBCF 87 600 HOURS 10 years core module in the active standby mode Mean time to repair MTTR Less than 30 seconds Service life More than 10 years Environment Indexes Temperature 5 C 45 C Relative humidity 5 95 ...

Страница 61: ...terface The power interface of the ZXA10 S300 includes one or two power cables one ESD outlet and one case grounding cable For details see Table 24 TAB L E 24 ZXA10 S300 PO W E R IN T E R FAC E S N 1 Signal External power input cable Line Signal 48 V DC Pin No and Signals Connector 48VGND 48VIN GNDP GNDD GNDJ Configuration One or two pieces can be configured on each rack Two pieces are used in the...

Страница 62: ...ble Line Signal CHGND Pin No and Signals CHGND Connector Configuration Each rack must be configured with one piece Cable The grounding resistance should be less than 3 Ω NM Monitoring Interface The ZXA1 S300 provides two 100 M Ethernet NM interfaces and two RS232 serial port NM interfaces For details see Table 25 TAB L E 25 NM MO N I T OR I NG IN T E R F AC E S O F THE ZXA10 S300 S N 1 Signal Q Li...

Страница 63: ...sion Pin No and Signals Pin 5 of DB9 Ground Connector DB9 M Configuration Reserved non standard configuration Cable More than 50 meters S N 4 Signal TEST Line Signal RS232 serial port line Pin 2 of DB9 Signal receiving Pin 3 of DB9 Signal transmission Pin No and Signals Pin 5 of DB9 Ground Connector DB9 M Configuration Compulsory for each rack Cable More than 50 meters Service Interface The servic...

Страница 64: ...ignal E1 Connector core Signal input Pin No and Signals Connector shell Ground Connector 1 0 2 3 SAA coaxial cable connector female Configuration Two pieces for each PCI board Cable Coaxial cable with the resistance of 75 Ω S N 2 Signal 2MOUT Line Signal E1 Connector core Signal output Pin No and Signals Connector shell Ground Connector 1 0 2 3 SAA coaxial cable connector female Configuration Two ...

Страница 65: ...6A board provides two 2 5 G SDH optical interfaces For details see Table 28 TAB L E 28 EX T E R N AL SE R V I C E IN T E RF AC E S O F THE ZXA10 S300 OL16A S N 1 Signal RX Line Signal 2 5 G SDH Socket core Signal input Pin No and Signals Socket shell Ground Connector LC fiber connector Configuration Two pairs for each OL16A board at most Cable 1 310 1 550 nm single mode fiber S N 2 Signal TX Line ...

Страница 66: ...onnector LC fiber connector Configuration At most two pairs for each OL4A board Cable 1 310 1 550 nm single mode fiber S N 2 Signal TX Line Signal 622 M SDH Socket core Signal output Pin No and Signals Socket shell Ground Connector LC fiber connector Configuration At most two pairs for each OL4A board Cable 1 310 1 550 nm single mode fiber External Service Interface of OL1A Board The OL1A board pr...

Страница 67: ...provide 6 4 2 ATM optical interfaces of the STM 1 The definitions are shown in Table 31 TAB L E 31 EX T E R N AL SE R V I C E IN T E RF AC E S PR O V I DED B Y ASC6S ASC4S ASB2S S N 1 Signal RX Line Signal 155 M ATM Socket core Signal input Pin No and Signals Socket shell Ground Connector LC fiber connector Configuration At most 6 4 2 pairs for each ASC6S ASC4S ASB2S Cable 1 310 nm single mode fib...

Страница 68: ...ir for each ASC1Q board Cable 1310 nm single mode fiber or multi mode fiber if specially required for S N 2 Signal TX Line Signal 622 M ATM Socket core Signal output Pin No and Signals Socket shell Ground Connector LC fiber connector Configuration At most one pair for each ASC1Q board Cable 1310 nm single mode fiber or multi mode fiber if specially required for External GE Optical Interface of ES ...

Страница 69: ...configuration Remarks MTRJ optical module External FE Electrical Interface of ESL ESDGE ESBGE ESS8E ETS8E The ESL board provides 16 FE interfaces the ESDGE ESBGE board provides four FE interfaces and the ESS8E ETS8E board provides eight FE interfaces For details see Table 34 TAB L E 34 EX T E R N AL SE R V I C E IN T E RF AC E O F THE ZXA10 S300 ESL ESDGE ESS8E ETS8E S N 1 Signal Line Signal FE Pi...

Страница 70: ... are used Pins 1 and 2 are one pair Pins 3 and 6 are another pair Pins 1 and 3 are the ends and Pins 2 and 6 are the ends The FE interfaces of TFLA do not have crossover straight adaptive function and they are set as the network side interface mode by the software Connector RJ45 Configuration At most three pieces for each TFLA board Cable It should not be more than 50 meters External E1 Interface ...

Страница 71: ... right Channel 33 transmits Channel 33 receives Channel 34 transmits Channel 34 receives Channel 35 transmits Channel 35 receives Channel 48 transmits Ch Connector One 64 pin SCI carrier socket for each 64 pin flat cable socket Configuration At most four carrier sockets and 16 8 core cables for each LIU Cable 75 Ω micro coaxial cable S N 2 E1BU Signal Line Signal E1 Pin No and Signals There are to...

Страница 72: ...ng traffic between nodes By utilizing both fibers instead of keeping a spare fiber for protection RPR utilizes the total available ring bandwidth These fibers or ringlets are also used to carry control topology updates protection and bandwidth control messages Control messages flow in the opposite direction of the traffic that they represent For instance outer ring traffic control information is c...

Страница 73: ...t ensures that nodes will not be disadvantaged because of ring location or changing traffic patterns The algorithm only manages congestion enabling nodes to maximize the use of any spare capacity Nodes can be inserted or removed from the ring without any bandwidth provisioning by the host Fair bandwidth The RPR is a sharing ring It needs an access control mechanism to ensure fair bandwidth and con...

Страница 74: ... A B C Services Sources f The priority in the port register table for ring interface or local port f The mapping table of IEEE802 1p and priority f The priority of this vlan in VLAN table f The priority of CID in CID table f Traffic matching table Applications The ZXA10 S300 supports three types of service Type A Type B and Type C f Type A Real time service f Type B Containing B CIR and B EIR B CI...

Страница 75: ...es and Communications Confidential and Proprietary Information of ZTE CORPORATION 63 4 Real time service Type A service Ports vlans and CIDs are configured 5 Service based on priority Application order 2 Æ 1 Æ 3 Æ 4 Æ 5 ...

Страница 76: ...ZXA10 S300 V1 1 Integrated Access Service Dispatching Unit Technical Manual 64 Confidential and Proprietary Information of ZTE CORPORATION This page is intentionally blank ...

Страница 77: ...o groups Group A and Group B The Group A consists of A1 A2 A3 and A4 and the Group B consists of B1 B2 B3 and B4 The board types that can be installed interchangeably in the slots are shown in Figure 21 The 100 M Ethernet transparent transmission board can be inserted in all the six slots except A1 and B1 and the 155 M electrical interface board can be inserted in the six slots except A1 and B1 Th...

Страница 78: ...D OL Ethernet Transparent ATM EAT RPR OL Ethernet Transparent ATM EAT RPR OL Ethernet Transparent ATM EAT RPR OL E1 Tributary Ethernet Transparent ATM EAT OL E1 Tributary Ethernet Transparent ATM EAT OL E1 Tributary Ethernet Transparent ATM EAT OL16A E1 Tributary ESD EAT Board Configuration Requirement Meet the requirements below while configuring boards TAA TAAE TAAED The Slots H1 and H2 must be ...

Страница 79: ...erted in any slots of A2 A4 and B2 B4 ES E1C As the ES and E1C must be jointly used with the board configured at the back of the system it is recommended that Slots B1 B4 should be used The E1C can be configured in Slots B1 B4 and the ES can be configured in Slots B2 B3 E1BU EIBB Slots B1 B4 are used for E1BU E1BB Ethernet Card There are these types of Ethernet cards ES TFLA ESDGE ESS8E ETS8E EMFG...

Страница 80: ...is not allowed B1 The 2 5 G optical interface board is not allowed but the E1C E1BU is allowed Other slots have the same configuration limitation as that of V1 0 version The OL16A board can only be configured in Slots A1 and B1 In the active standby mode it is recommended to configure the OL16A board in Slot A1 so that Slot B1 can be used for E1 board The OL1A ASC ASB board can be configured in an...

Страница 81: ...he ring provides the unidirectional multiplex section and path protection modes Standard Configuration The standard system configuration provides STM 16 SDH optical interface STM 4 SDH optical interface STM 1 SDH optical interface E1 electrical interface and the 10 M 100 M 1 000 M Ethernet interfaces with line rate switching The system consists of the following boards One TAA TAAE board two core b...

Страница 82: ...s Typical Configuration 1 The active standby mode of the two TAA TAAE boards It can be used in the occasion that requires the high reliability for example the OLT access network point The two TAA TAAE boards are in the active standby mode and they only support two 2 5 G optical interfaces The typical configuration in the active standby mode is shown in Figure 22 and Figure 23 in which Figure 22 sh...

Страница 83: ... T PAN E L O F CAS E I N CO N F I G U R AT I O N 2 board board FI G U R E 25 BAC K PAN E L O F CAS E I N CO N F I G U R AT I O N 2 Blank panel blank panel Typical Configuration 3 The 622 M mode It can be used for the lower end users with the cost requirements and the traffic volume required is not much for example the small capacity OLT or ONU point Now the TAAED serves as the core convergence boa...

Страница 84: ... transmission layer function and the data service function of the MAN It can be integrated with the ZTE data service equipment to provide the full service networking function of high performance at a low cost The ZXA10 S300 can bear the TDM service 2 M and 34 M Ethernet service and ATM service It can serve as the independent transmission device and support the hybrid networking with the ZXA10 and ...

Страница 85: ...erface STM 1 to connect the ATI board of the U300 At present the ZXA10 S300 is used to construct broadband narrowband integrated service access network and the access layer of the full service MAN Constructing Broadband Narrowband Integrated Service Access Network with THE ZXA10 S300 The broadband narrowband integrated service access network with the ZXA10 S300 is developed on the base of the exis...

Страница 86: ... service For the access points with a small number of subscribers but large traffic the ZXA10 S300 can directly provide the FE interface to access the broadband subscribers For the access points with a large number of subscribers and large traffic f In the area with copper wires distributed the subscribers can first be converged by a built in modular ZXDSL9210 or ZXDSL8220 and they can be connecte...

Страница 87: ... to the OLT through the E1 interface and then accessed to the DDN FR network The Ethernet private line service can be directly accessed to the router or L2 L3 switch through the FE GE interface The ATM private line service can be directly accessed to the ATM network through the ATM STM 1 4 interface Constructing Access Layer of Full Service MAN with THE ZXA10 S300 The full service MAN consists of ...

Страница 88: ... T64 and the transmission network can be configured with the ZXA10 S300 for networking Convergence Layer of Full Service MAN The convergence layer of the MAN enables the convergence and dispatching of the broadband and other services and the ZXA10 S300 enables the networking function The data network can be configured with the high end routers and routing switches T64 and T32 UAS5000 and UAS10000 ...

Страница 89: ...stream connects to the service with the FE GE ATM PDH interface It also can access the service with the wireless modes such as WLAN MMDS and LMDS Description of Service Access Mode There are two service access modes TDM service access mode and Data service access mode The TDM service access mode The TDM services for example the 2 M private line GSM CDMA base station interconnection and PBX interco...

Страница 90: ...MDS is configured thus supporting the wired wireless integrated networking solution f For the cities with the large amount ADSL access many DSLAMs are configured in the external end office and the ATM interface of the ZXA10 S300 is used to provide the service convergence and reliable networking for the DSLAMs On the other hand it can meet the requirements that the carriers expect to complete the s...

Страница 91: ...e system provides f GE FE POS and ATM to connect the high end UAS line rate router and ATM switch f N E1 to connect the BSC 2 G At the UNI side the system provides f N E1 to connect the ZXA10 ONU f N E1 to connect the BTS 2 G f GE FE and Ethernet interfaces to connect the low end UAS and L3 L2 switches or 10 100 M Ethernet access for the users when there is a small number of Ethernet users f ATM i...

Страница 92: ...ZXA10 S300 V1 1 Integrated Access Service Dispatching Unit Technical Manual 80 Confidential and Proprietary Information of ZTE CORPORATION This page is intentionally blank ...

Страница 93: ...s to the board that completes the SDH function L2 switching function or the ATM switching in the ZXES 8100 system including 2 5 G SDH optical line board 622 M optical line board tributary board 155 M optical tributary board 2 M E1 electrical tributary board 10 100 M 1 000 M Ethernet interface board RPR processing board and ATM interface board Multi STP It is an algorithm and standard used for cons...

Страница 94: ...Node Interconnection DNI Refers to the node mutual protection provided by the two crossover protection rings logic subnets for the inter ring logic subnet service at the crossover node Recommendation G 842 specifies the DNI methods of the SNCP SNCP MS SPRing MS SPRing and MS SPRing SNCP In the V1 1 version only the DNI of SNCP SNCP is supported ...

Страница 95: ...trol Channel EOS Ethernet Over SDH FE Fast Ethernet FRAMER Framer GE Gigab Ethernet GMII Gigab Media Independent Interface GMRP GARP Multicast Registration Protocol GVRP GARP VLAN Registration Protocol IDB Information DataBase IP Internet Protocol LAPS Link Access Protocol SDH LOF Loss of Frame LOS Loss of Signal NE Network Element MAC Media Access Control MCU Management Control Unit MS Multiplexe...

Страница 96: ...f Service REG Regenerator RMON Remote Network Monitor RSOH Regenerator Section Overhead SDH Synchronous Digital Hierarchy SMF Single Mode Fiber SOH Section Overhead STM Synchronous Transfer Mode STP Spanning Tree Protocol TDM Time Division Multiplexing TLS Transparent Lan Service TM Terminal Multiplexer TU Tributary Unit UAS Unavailable Second VBR Variable Bit Radio VC Virtual Container VCI Virtua...

Страница 97: ...multiplex section protection ring 8 broadband MAN 2 DCC channel 11 division cross connect 8 dual node interconnection DNI protection 43 ECC protocol stack 10 HDLC 11 ITU T 2 MAC frames 9 multiplex section protection MSP 43 NNI 74 OSPF 11 QoS 41 self healing ring 2 subnet connection protection SNCP 43 two fiber path protection ring 71 two fiber unidirectional multiplex section protection ring 71 UN...

Страница 98: ...ZXA10 S300 V1 1 Integrated Access Service Dispatching Unit Technical Manual 86 Confidential and Proprietary Information of ZTE CORPORATION This page is intentionally blank ...

Страница 99: ...e 11 Module Structure of TDM Line Cards Software 25 Figure 12 Structure of L2 Switching Subsystem 25 Figure 13 itter Tolerance at the STM 1 Interface 30 Figure 14 G 825 Input Jitter Tolerance at the STM 4 Interface 31 Figure 15 G 825 Input Jitter Tolerance at the STM 16 Interface 32 Figure 16 G 783 Jitter Transfer Function Curve 33 Figure 17 Jitter Tolerance Template Defined by G 783 33 Figure 18 ...

Страница 100: ... Back Panel of Case in Configuration 3 72 Figure 28 Broadband Narrowband Integrated Service Access Network with The ZXA10 S300 Adopted for Integrated Service Transmission 74 Figure 29 Broadband Narrowband Integrated Service Access Network Serves as Access Layer of Full Service MAN 77 Figure 30 Hybrid Networking of THE ZXA10 S300 ZXA10 and ZXE10 79 ...

Страница 101: ... 34 Table 12 280 km Number Section Error Bit Index 35 Table 13 Use Scope of 1000Base SX Interface 38 Table 14 Transmitting Optical Power of 1000Base SX Interface 38 Table 15 Receiving Requirements of 1000 BaseSX Interface 39 Table 16 Use Scope of 1000Base LX Interface 39 Table 17 Optical Transmitting Power of 1000Base lX Interface 39 Table 18 Receiving Requirements of 1000Base LX Interface 40 Tabl...

Страница 102: ...of THE ZXA10 S300 OL16A 53 Table 29 External Service Interfaces of THE ZXA10 S300 OL4A 54 Table 30 External Service Interfaces of THE ZXA10 S300 OL1A 54 Table 31 External Service Interfaces Provided by ASC6S ASC4S ASB2S 55 Table 32 External Service Interfaces Provided by ASC1Q Board 56 Table 33 External Service Interface of THE ZXA10 S300 ES ESDGE PRQ2G 56 Table 34 External Service Interface of TH...

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