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Technical Description

MINI-LINK PT 2010 ETSI

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1/221 02-CSH 109 172/1-V1 Uen E

Содержание MINI-LINK PT 2010 ETSI

Страница 1: ...Technical Description MINI LINK PT 2010 ETSI DESCRIPTION 1 221 02 CSH 109 172 1 V1 Uen E...

Страница 2: ...rmission of the copyright owner Disclaimer The contents of this document are subject to revision without notice due to continued progress in methodology design and manufacturing Ericsson shall have no...

Страница 3: ...MINI LINK PT 2010 Functions Ethernet 12 6 1 Ethernet Functional Flow in MINI LINK PT 2010 15 6 2 Quality of Service Support 26 6 3 Performance Monitoring 28 6 4 Delay 29 7 MINI LINK PT 2010 Functions...

Страница 4: ...ries 45 10 1 Cables and Cable Clamps 45 10 2 Hybrid Cable 47 10 3 Optical Cable Distribution System 48 10 4 SFP 49 11 Technical Specifications 50 11 1 Power Supply Requirements 50 11 2 Environmental C...

Страница 5: ...ssion technologies a microwave link can be characterized as a limited bandwidth connection This implies that microwave equipment must be designed to enable maximum packet payload throughput in the ava...

Страница 6: ...ork Overview DC 48V 2A MAX DC 2 DC 1 ERICSSON MINI LINK SP 110 Fault Power Oper Sync USB O M O M SYNC 2 USER I O SYNC 1 1 1 2 3 4 TR 1A 1B TR 2A 2B TR 3A 3B TR 4A 4B 3 2 10 100 1000 Base T 100 1000 Ba...

Страница 7: ...options over both radio and fixed connections MINI LINK PT 2010 offers the size and capacity to meet the needs of both last mile access and first aggregation point in a mobile backhaul network 3 Syste...

Страница 8: ...tion 15502 1 5 G H z 1 5 G H z Power Cable Optical Fiber Cable O M TRAFFI C ALIG NMENT POWER T R A F F I C A L I G N M E N T P O W E R O M X P I C Figure 2 System Overview 4 1 221 02 CSH 109 172 1 V1...

Страница 9: ...r The Packet Terminal and the antenna are easily installed on a wide range of support structures The Packet Terminal is fitted directly to the antenna as standard integrated installation The Packet Te...

Страница 10: ...s been designed to handle burst and congestion in order to provide a high link utilization and goodput for high speed data traffic Since extensive buffering has a negative impact on frame delay variat...

Страница 11: ...transported over PDH or SDH Native Ethernet enables more efficient use of bandwidth and maximizes Ethernet throughput since no PDH overhead is added Overhead Comparison The overhead for Native Ethern...

Страница 12: ...uffer space is split in 4 MB for each TC queue for TC0 to TC2 and 128 kB for each TC queue for TC3 to TC7 The individual buffer size per TC queue can be adjusted in 64 kB increments 5 MINI LINK PT 201...

Страница 13: ...t of Signal to Noise and Interference Ratio SNIR When the receiver based on this data detects that channel conditions imply a change to the next higher or lower modulation a message is sent to the tra...

Страница 14: ...hat is to say it is which SEC is used as a reference The maximum output power is dependent on the RSEC used There is a relation between RSEC and the maximum chosen modulation which is illustrated in T...

Страница 15: ...value Pset can be set in 1 dB increments 5 2 2 ATPC Mode ATPC is used to automatically adjust the transmit power Pout in order to maintain the received input level at the far end terminal at a target...

Страница 16: ...and Congestion Handling Quality of Service Support Conges tion Handling Number of Traffic Classes TCs priority queues The number of TCs is always eight and cannot be changed It is possible to use any...

Страница 17: ...of frames in a node The CoS value is set in the priority bits in the Ethernet header for example p bits in Q tag The CoS for a frame is typically defined at the network edge The priority bits are set...

Страница 18: ...AN only Link utilization Number of outbound discarded packets due to for example overflow Number of outbound discarded packets due to for example Ethernet CRC 32 errors Number of inbound discarded pac...

Страница 19: ...the network and internally in MINI LINK PT 2010 Definitions To set the stage for the coming discussions in this chapter some terms must be clarified Trusted Port In MINI LINK PT 2010 there are differ...

Страница 20: ...in IP header 4 From the IPv6 DSCP bits in IP header 5 From the MPLS EXP bits IP header Network Priority The network priority is the Ethernet frame s priority setting used in the operator network doma...

Страница 21: ...the three bits in the Ethernet header that is used to carry the priority value and coloring information for the Ethernet frame The priority information is mandatory while coloring information is only...

Страница 22: ...ation in the MPLS IP header or PCP bits in the Ethernet header is used to establish an internal priority The internal priority is used for further priority handling but does not alter or add any prior...

Страница 23: ...aspect of a network QoS is a network level notation for the characteristics supported by an end to end Ethernet connection QoS involves network dimensioning protection mechanisms policing and so on a...

Страница 24: ...between the different egress priority queues for an Ethernet port Scheduling When an Ethernet port is congested the egress priority TC buffers are filled up with Ethernet frames To empty the buffers a...

Страница 25: ...above are empty The WFQ algorithm is used when low latency is not crucial but it is important to prevent starvation of buffers With Strict Priority buffers with lower priority will never get served i...

Страница 26: ...t Priority algorithm When the high priority Strict Priority area is empty the scheduler starts serving the WFQ buffers according to individual weight Last the low priority Strict Priority buffers are...

Страница 27: ...p When a TC buffer is full the tail drop feature ensures that new frames are dropped at the entry point of the TC queue Tail drop is used to handle discarding of frames during long bursts that complet...

Страница 28: ...ndling chapter Defining the LAN port as a trusted port the Packet Terminal will act on priority information contained in the traffic Ethernet frames are mapped to egress TC buffer according to IEEE802...

Страница 29: ...apter describes O M capabilities related to the Ethernet application in MINI LINK PT 2010 PM Counters MINI LINK PT 2010 supports the following counters for all LAN WAN Ethernet ports Number of outboun...

Страница 30: ...easures the usage of the available link capacity Buffer filling probe measures for how long frames are buffered 6 2 Quality of Service Support This section describes the Quality of Service QoS support...

Страница 31: ...d in the PCP value in the Q tag in the Ethernet header and is used throughout the network The WAN radio side Ethernet egress port can be configured with 1 8 Traffic Classes TCs where 8 TCs are default...

Страница 32: ...tion Handling Congestion Avoidance prevents saturation of queues managed by the classifier which discards incoming packets according to a specific policy The following algorithms are supported to real...

Страница 33: ...orking in Free Running mode In this mode the node is not a part of the synchronization network and does not maintain a SEC MINI LINK PT 2010 can also be configured to Network Synchronized mode where t...

Страница 34: ...e 18 Master Slave Synchronized Network In this mode MINI LINK PT 2010 will use the Node Clock on all the protocol layers generated in the node 7 2 Synchronization Technologies Figure 19 shows the diff...

Страница 35: ...net enables propagation of frequent synchronization over optical SFPs The feature provides full SSM handling according to ITU T G 8264 The SEC performs automatic synchronization trail restoration base...

Страница 36: ...to guide it for easier handling when fitting to or removing from an integrated antenna It comprises a cover and a MINI LINK PT 2010 terminal 15504 MINI LINK PT 2010 TRAFFIC ALIGNMENT POWER O M XPIC F...

Страница 37: ...ption 1 Socket for XPIC cable 1 2 Operation Maintenance socket for local O M cable access to RMM port 3 Optical fiber input socket for traffic cable 4 Test port for antenna alignment 5 Power input soc...

Страница 38: ...s are compact that is the design is compact with a low profile The antennas are made of aluminum and painted light gray All antennas have a standardized waveguide interface The feed can be adjusted fo...

Страница 39: ...010 can be fitted directly to an Integrated Power Splitter IPS An asymmetrical power splitter is mainly used for hardware protection only The IPS provides one main channel with low attenuation and one...

Страница 40: ...be installed separately by using a flexible waveguide to connect to the MINI LINK PT 2010 The 2 4 3 7 m dual polarized and single polarized antennas are always installed separately 15510 Figure 26 Se...

Страница 41: ...p and restore of system configuration Domain Name System DNS enables the use of host names Dynamic Host Configuration Protocol DHCP is used by the DHCP relay agent to forward DHCP messages to other eq...

Страница 42: ...ame overhead 9 1 3 IP Addressing MINI LINK PT 2010 supports numbered PPP This means that the line side Ethernet port and radio side PPP port have two different IP addresses MINI LINK PT 2010 supports...

Страница 43: ...I LINK Craft is used for local management that is the Packet Terminal is accessed locally on the unit by connecting a PC to the Ethernet Management Port with a cable The Packet Terminal can also be ac...

Страница 44: ...The ServiceOn Ethernet Service Activator SO ESA system is a network management level application providing operators with the ability to support the end to end configuration and management of Etherne...

Страница 45: ...replaceable unit result in a fault indication of all suspect units this may be the whole NE The control system will generally try to repair software faults by performing warm restarts on a given plug...

Страница 46: ...cific problem free text string detailing the probable cause The system can also be configured to send SNMP v1 traps These traps are translated from the IRP format using co existence rules for v1 and v...

Страница 47: ...9 5 1 on page 42 the seconds spent in each modulation as well as the number of changes between modulations are counted 9 5 3 Ethernet Performance Counters The following Ethernet performance counters a...

Страница 48: ...the operator who specifies product and revision number of the load module to be upgraded When flash programming is completed a MINI LINK Craft connected to the MINI LINK PT 2010 automatically activate...

Страница 49: ...nfigured NE is purchased 10 Accessories The MINI LINK PT 2010 product program contains a number of accessories for installation and operation This section gives additional technical information for so...

Страница 50: ...re 32 has one open end 14186 Figure 32 Power Cable The field installable shielded power cable connector kit in Figure 33 and Table 7 can be used with the power cables in Table 8 15403 Figure 33 Field...

Страница 51: ...es for MINI LINK PT 2010 Table 9 Cable Clamps Product Name Product Number Cable clamp 10 pcs NTM 203 73 1 Cable clamp 50 pcs NTM 203 73 2 The stacking kit in Table 10 can be used with the cable clamps...

Страница 52: ...able 10 3 Optical Cable Distribution System The cables in Figure 36 and Figure 37 can be used for distributing the optical cables to several MINI LINK PT 2010s 15402 Figure 36 Outdoor Mini FAN Out Box...

Страница 53: ...SFPs in Table 11 can be used in MINI LINK PT 2010 Table 11 SFPs Product Name Product Number SFP GB LX 1310 nm SFP 1000BASE LX 1310 nm 10 dB 10 km LC Duplex RDH 901 20 D0210 TRX MM 1000Base SX LC SFP 0...

Страница 54: ...V input 11 2 Environmental Conditions Equipment operates according to the following constraints Continuous Conditions Full performance 0 Temperature 033 C to 45 C 027 F to 113 F Solar radiation up to...

Страница 55: ...Nominal Dimensions D W H 117 3 260 321 mm 11 4 Traffic Interfaces Optical Laser Class 1 SFP RDH 102 45 1 or functional identical Functional identical to RDH 102 45 1 means Optical laser class 1 SFP Tr...

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