Technical
4/22109-FGC 101 190/1 Uen Rev.B
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Transmission & Transport Networks

Our product offering
MINI-LINK Management
MINI-LINK BAS
Partner products
4/22109-FGC 101 190/1 Uen Rev.B
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MINI-LINK TN
MINI-LINK HC
MINI-LINK E
Transmission & Transport Networks

MINI-LINK TN
Applications
1st mile broadband access
Mobile networks
4/22109-FGC 101 190/1 Uen Rev.B
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2nd mile broadband access
Transmission & Transport Networks

MINI-LINK TN
– Microwave radio function
– Traffic routing function
– Circuit Management
– STM-1 Terminal Multiplexer function
– Ethernet function
– Protection mechanisms
– Synchronization
– Co-siting function
– Operation & Maintenance
– Data Communication Network
– Management Tools
4/22109-FGC 101 190/1 Uen Rev.B
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Transmission & Transport Networks

MINI-LINK TN
Microwave radio function
4/22109-FGC 101 190/1 Uen Rev.B
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* In combination with MINI-LINK HC indoor unit
Transmission & Transport Networks

MINI-LINK TN
Microwave radio function
Capacity and modulation agile radios
One radio - 4 to 155 Mbit/s
One radio - 4 to 128 QAM
 Easy upgrades & logistics
4/22109-FGC 101 190/1 Uen Rev.B
* In combination with MINI-LINK HC indoor unit
Transmission & Transport Networks
6

MINI-LINK TN
Microwave radio function
• 19 modems per subrack in AMM 20p
• 5 modems per subrack in AMM 6p
• 2 modems per subrack in AMM 2p
• Software configurable traffic capacity
4/22109-FGC 101 190/1 Uen Rev.B
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Transmission & Transport Networks

MINI-LINK TN
Traffic routing function
• Cross connection at 2Mbit/s level
• 400 E1 ports non blocking switching capacity, full duplex
• Software-controlled from management system
• Hardware redundant switching function nxE1
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Transmission & Transport Networks

MINI-LINK TN
Traffic routing function
Conventional solution
4/22109-FGC 101 190/1 Uen Rev.B
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Transmission & Transport Networks

MINI-LINK TN
Traffic routing function
MINI-LINK TN
4/22109-FGC 101 190/1 Uen Rev.B
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Up to 70% size reduction
Transmission & Transport Networks

MINI-LINK TN
Circuit Management
•
Enables full benefits of MINILINK TN’s traffic handling capabilities
•
Highly efficient Operation and Maintenance
•
Integrated network planning, test & design tools
•
Continuous performance monitoring
•
Connections handled by world-class manager
4/22109-FGC 101 190/1 Uen Rev.B
Transmission & Transport Networks
11

MINI-LINK TN
Circuit Management
Operation and maintenance
•
Visibility of all media
•
Fault management on trunk level
•
Fault management on circuit level
•
Fault reporting with all network details
•
Automatic circuit routing by selecting the end points only
•
Facilitates changes in circuit capacity and end point relations
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Transmission & Transport Networks

MINI-LINK TN
Circuit Management
Network design and planning
•
Excellent support for network planning
•
Build and route traffic for future expansions using the existing network information
Ask the database how traffic can be routed
•
Test automatic recovery
•
Perform transmission analysis
•
Continuous performance monitoring
•
Complete fault history
Continous performance monitoring
4/22109-FGC 101 190/1 Uen Rev.B
Transmission & Transport Networks
13

MINI-LINK TN
STM-1 Terminal Multiplexer function
Efficient interface between optical and microwave network
• Terminates full STM-1 payload
• Electric and optical interfaces
• MSP 1+1 for equipment and line protection
W
SDH ADM
E
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Transmission & Transport Networks

MINI-LINK TN
STM-1 Terminal Multiplexer function
Complete MINI-LINK microwave solution for 155 Mbit/s
• One management system to manage the complete site
• One installation team for the complete site
4/22109-FGC 101 190/1 Uen Rev.B
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Transmission & Transport Networks

MINI-LINK TN
Ethernet function
• Broadband to everyone
• Easy to make money
• Proven product
Public WLAN
ADSL
RSS
ADSL
WDSL
RSS
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DSLAM
Fiber/CWDM
Transmission & Transport Networks

MINI-LINK TN
Ethernet function
• Capacity flexibility
–
2-34 Mbit/s
–
2 Mbit/s increments
• Carrier class Ethernet
–
Low Delay, 1-2ms
–
High throughput with small packages
–
Priority queuing (optional)
• Transparent Ethernet transport
–
Transparent for VLAN tags
–
No MAC address filtering
• Powerful Management
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Transmission & Transport Networks

MINI-LINK TN
Ethernet function
• Ethernet bridge according to IEEE 802.1D with exception for self learning bridge and spanning tree
• Support for auto-negotiation of speed and duplex according to IEEE 802.3u
• Support for flow control according to IEEE 802.3x
• Auto MDI-MDIX (switching of Rx and Tx)
• Shielded RJ45 connectors with LEDs for network link, activity and rate selection
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Transmission & Transport Networks

MINI-LINK TN
Protection
Microwave Propagation protection
(Hot-/working standby)
Redundant system architecture
Separate traffic and control system
Line & equipment protection
(1+1 E1 SNCP; MSP 1+1; Microwave 1+1)
Ring protection; 1+1 E1 SNCP
(media independent)
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Transmission & Transport Networks

MINI-LINK TN
Protection
1+1 Microwave radio protection
• Physical link and equipment protection
• Hot or working standby
MINI-LINK TN
2-17xE1
Modem function
Modem function
Switch function
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MINI-LINK E
Modem function
Modem function
Switch function
Transmission & Transport Networks

MINI-LINK TN
Protection
MSP 1+1
• Physical link and equipment protection
• Uni-directional
• Permanently bridged
• Non-revertible
4/22109-FGC 101 190/1 Uen Rev.B
Local equipment failures
External commands
Controller Detected failures
63xE1
STM-1 plug-in unit
STM-1 plug-in unit
Passive
STM-1
SDH equipment with
MSP 1+1
Active
STM-1
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Transmission & Transport Networks

MINI-LINK TN
Protection
1+1 E1 SNCP
• Network layer protection on E1 level
• Physical link and equipment protection
• Signal is transmitted on two interfaces, receiver chooses the best of the two
• Switches on signal failure
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Subnetwork
MINI-LINK TN
Working
Standby
Transmission & Transport Networks

MINI-LINK TN
Protection
1+1 E1 SNCP – Ring Application
• Microwave rings of 17xE1, 32xE1 and 64xE1 capacity
• Media independent
• Support for asymmetric ring capacity
• Independent of MSP1+1 and 1+1 microwave protection
PDH or SDH
Microwave nxE1
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1+1 E1 SNCP
1+1 E1 SNCP nxE1
Working connection
Standby connection
Transmission & Transport Networks

MINI-LINK TN
Protection
Protected System Architecture
• Redundant power bus and power supply
• Redundant traffic buses
• Separate traffic- and control system
– Tolerance for control system faults.
– Hot insert/Hot swap of plug-in units
– Software upload without disturbing traffic
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Transmission & Transport Networks

MINI-LINK TN
Synchronization
• PDH
– Unstructured E1 circuits with independent timing
• SDH
– E1s are mapped into VC12s at each Terminal
Multiplexer using asynchronous mapping
– MINI-LINK TN complies to G.825 for all jitter/wander requirements
– When building networks with MINI-LINK TN and MINI-LINK HC, local oscillator and loop timing is used
SDH network
Loop timing
Loop timing
MINI-LINK
TN
Local oscillator
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Loop timing
Local oscillator
MINI-LINK
TN
Loop timing
Local oscillator
MINI-LINK
TN
Transmission & Transport Networks

MINI-LINK TN
Co-siting function
• Traffic interfaces : E1(x2); E2(x2); E3+E1
• DCN output ports: E0(x2)
• Terminal server: V.24
MINI-LINK TN
Co-siting function
4/22109-FGC 101 190/1 Uen Rev.B
MINI-LINK E
Modem function
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E0 (x2)
E1 (x2)
E2 (x2)
E3 (x1)
Transmission & Transport Networks

MINI-LINK TN
Operation & Maintenance
• Fault management
• Configuration management
• Performance management
• Software management
• Equipment handling
• Loop functions
• Bit Error Rate Testing
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Transmission & Transport Networks

MINI-LINK TN
Operation & Maintenance
Fault Management/Fault localization
• All hardware and software is monitored
• Errors are mapped down to faulty replaceable unit
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Transmission & Transport Networks

MINI-LINK TN
Operation & Maintenance
Fault Management/LED:s
Green LED = Power On
Red LED = Faulty unit
Yellow LED = Plug-in unit ready for removal
Plug-in unit front
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All plug-in units have a Board
Removal Switch (BRS) for controlled removal .
Transmission & Transport Networks

MINI-LINK TN
Operation & Maintenance
Fault Management/User I/O
• 3 user input
– Configurable to normal open or normal closed
• 3 user output
– Both normal open or normal closed available
– Can be set manually by management system or configured to map to a given alarm severity
MINI-LINK Manager
Input to
MINI-LINK TN
MINI-LINK TN
4/22109-FGC 101 190/1 Uen Rev.B
Transmission & Transport Networks
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MINI-LINK TN
Operation & Maintenance
Configuration Management
• Performed in Embedded Element
Manager or by using SNMP interface
– Transmission interface parameters
– Traffic routing
– Traffic protection
– DCN configuration
– User I/O configuration
– Security parameters
• Configuration is stored non-volatile on MINI-LINK TN
• Configuration can be backed up and restored from FTP server
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Transmission & Transport Networks

MINI-LINK TN
Operation & Maintenance
Performance Management
• Measurements according to ITU G.826
• 15 minutes and 24 hours current intervals
• 1x24 hours previous and 96x15 minutes intervals
• Configurable thresholds for current
PM data. Crossing of the thresholds is reported as alarms
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Transmission & Transport Networks

MINI-LINK TN
Operation & Maintenance
Software Management
• MINI-LINK TN software can be upgraded while in operation (without disturbing traffic)
• Software download can be done on site or from the O&M center
• FTP is used to transfer software
• New plug-in units are upgraded automatically if they have incorrect software revisions
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Transmission & Transport Networks

MINI-LINK TN
Operation & Maintenance
Equipment Handling
• Plug-in units can be inserted, swapped and removed while in operation
• When changing a circuit board for repair, the new board automatically receives the configuration of the old board
• Equipment fault management with supervision of temperature, power, fan, system buses and processes
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Transmission & Transport Networks

MINI-LINK TN
Operation & Maintenance
Equipment Handling/Temperature Monitoring
• The temperature of all circuit boards is monitored with sensors
• Two levels of temperature violations
– High temperature threshold shuts down the circuit board’s control software without disturbing the traffic
– Excessive temperature threshold shuts down the entire circuit board
Temp.
Excessive temp.
• Alarm notification on temperature violations High temp.
Normal temp.
Temp.
Supervision
Hysteresis
Excessive temp.
threshold
High temp. threshold
4/22109-FGC 101 190/1 Uen Rev.B
Transmission & Transport Networks
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MINI-LINK TN
Operation & Maintenance
Bit Error Rate Tester (BERT)
• ITU standard O.151
• Replaces external line testers
• Enables system verification
• Remote activation/de-activation
• One BERT (E1) per Plug-In Unit
4/22109-FGC 101 190/1 Uen Rev.B
MINI-LINK TN
R
T
B
E
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Plug-in unit
Transmission & Transport Networks

MINI-LINK TN
Operation & Maintenance
Loop functions/Line Loop
MINI-LINK TN
Transmission link
R
T
B
E
MINI-LINK TN
Plug-in unit
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AIS-Alarm
Indication Signal
Transmission & Transport Networks

MINI-LINK TN
Operation & Maintenance
Loop functions/Local Loop
MINI-LINK TN
Transmission link
R
T
B
E
MINI-LINK TN
Plug-in unit
4/22109-FGC 101 190/1 Uen Rev.B
Transmission & Transport Networks
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MINI-LINK TN
Operation & Maintenance
Loop functions/Connection Loop
MINI-LINK TN
Transmission link
R
T
B
E
MINI-LINK TN
Plug-in unit
4/22109-FGC 101 190/1 Uen Rev.B
Transmission & Transport Networks
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MINI-LINK TN
Data Communication Network
• IP based DCN
• SNMP v1, v2, v3
• IP router integrated in every node supporting OSPF
• IP over unnumbered PPP over radio hop and SDH overhead channels
• Automatic set up of DCN channels
MINI-LINK TN terminal server functionality for access to MINI-LINK E sub-networks
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Transmission & Transport Networks

MINI-LINK TN
Data Communication Network
Ethernet or 2Mbit/s connection
MINI-LINK TN
128 kbit/s connection
MINI-LINK
Manager
Multiplexer/Repeater section
MINI-LINK TN
MINI-LINK
HC
1.2 kbit/s connection MINI-LINK E, (cluster)
4/22109-FGC 101 190/1 Uen Rev.B
Transmission & Transport Networks
41

MINI-LINK TN
Data Communication Network
Internal OSPF router/Default IP Address
• Unnumbered IP interfaces
– Less IP addresses consumed
– Ethernet and PPP interfaces inherit the default IP address for the node
– Simple planning of IP addresses
– Less manual configuration
• Numbered IP interfaces
– Provided when advanced OSPF routing functions are needed
– Set-up using standardized
Command Line Interface (CLI)
Inherits the default IP address
MINI-LINK TN
DCN Router
Default IP Address/OSPF Area
PPP interface
PPP interface
PPP interface
PPP interface
Ethernet interface
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Transmission & Transport Networks
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MINI-LINK TN
Data Communication Network
Internal OSPF router/Serial Interfaces PPP
• DCC Radio Terminal
– 128 kbit/s to MINI-LINK TN (automatically set up)
– 1.2 kbit/s to MINI-LINK E
• DCC STM-1
– Default bandwidth automatically established to 192 kbit/s in RSOH/MSOH
– Configurable to 384/576 kbit/s in RSOH/MSOH
– Automatically set-up between nodes
• DCC E1
–
One unstructured E1 used for DCN
–
This PPP channel has to be established manually.
• DCC 2x64 kbit/s
4/22109-FGC 101 190/1 Uen Rev.B
Transmission & Transport Networks
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MINI-LINK TN
Data Communication Network
Internal OSPF router/Ethernet Interface
• 10 Base-T
• Shielded 8-pin RJ45
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Transmission & Transport Networks

MINI-LINK TN
Data Communication Network
DCN Services (Optional)
IP DCN
FTP NTP DNS-DHCP
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MINI-LINK TN
10 Base-T
LCT
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Ethernet
Transmission & Transport Networks

MINI-LINK TN
MINI-LINK Management philosophy
Centralised Management
MINI-LINK Manager/MINI-LINK Connexion
Northbound management interfaces to existing systems
SNMP
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Local on-site management
Embedded Element Manager
Transmission & Transport Networks

MINI-LINK TN
Centralized Management
Efficient tools for management on node and circuit level
•
Fault Management
•
Performance Management
•
Configuration Management
•
Inventory Management
•
Remote Software Upgrade
•
Security Management
•
System Administration
4/22109-FGC 101 190/1 Uen Rev.B
Transmission & Transport Networks
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MINI-LINK TN
Centralized Management
MINI-LINK Manager - Common platform for microwave transmission
Single point of entry for all Ericsson microwave products
Integration of circuit alarm information from MINI-LINK Connexion
High network availability
Fast and accurate information
Grow as network expands
4/22109-FGC 101 190/1 Uen Rev.B
Transmission & Transport Networks
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MINI-LINK TN
Centralized Management
MINI-LINK Connexion
•
Network Editor - Build and display network elements graphically
•
Network Router - Create and manage circuits throughout the network
•
Circuit simulator - Simulates alternative routes and topologies
•
Fault Manager - Fault monitoring, reporting and filtering services
•
Performance Manager - Provides information on availability and network load
•
Macro Manager - Enables faster repetitive actions
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Transmission & Transport Networks

MINI-LINK TN
Centralized Management
MINI-LINK Manager
Minimum configuration
• One workstation/server (HW)
• RTU/RTC (SW)
Standard configuration
• One or several workstations (HW)
• One or several servers (HW)
• RTU/RTC (SW)
MINI-LINK
Connexion
Circuit Connection
Management
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MINI-LINK
Manager
Network Element
Management
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MINI-LINK
Connexion
Circuit Connection
Management
MINI-LINK
Manager
Network Element
Management
Transmission & Transport Networks

MINI-LINK TN
Centralized Management
MINI-LINK Connexion
Minimum configuration
• One workstation/DB server (HW)
• One Com server(HW)
• RTU/RTC (SW)
• Up to 25 MINI-LINK TN
Standard configuration
• One workstation (HW)
• Two servers, Com and DB (HW)
• RTU/RTC (SW)
• Up to 500 MINI-LINK TN
MINI-LINK
Connexion
Circuit Connection
Management
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MINI-LINK
Manager
Network Element
Management
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MINI-LINK
Connexion
Circuit Connection
Management
MINI-LINK
Manager
Network Element
Management
Transmission & Transport Networks

MINI-LINK TN
Northbound Management interfaces
SNMP
• Industry standard SNMP interface supporting v1, v2, v3
• Available in network elements as well as from MINI-LINK Manager
• A management option when using own integrated management systems
• Active alarm list and notification log for synchronization with management system
SNMP traps
SNMP get Notification log and current alarm list
NMS
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Transmission & Transport Networks
52

MINI-LINK TN
Local Management
Embedded Element Manager
• EEM is accessed with standard web browser
– Installation and configuration
– Fault location
– Performance Management
– Local software upgrade
– Launch of MSM for radio management of MMU2 and SMU2
• CLI Interface: Industry-standard configuration of the DCN router
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LCT
MINI-LINK TN
EEM
Transmission & Transport Networks

MINI-LINK TN
– Microwave radio function
– Traffic routing function
– Circuit Management
– STM-1 Terminal Multiplexer function
– Ethernet function
– Protection mechanisms
– Synchronization
– Co-siting function
– Operation & Maintenance
– Data Communication Network
– Management Tools
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Transmission & Transport Networks

MINI-LINK TN
Hardware components
AMM 2p / AMM 6p / AMM 20p / Plug-in Units / Accessories
• Magazine height 44 mm
• Two full height slot positions for modems
• Mandatory configuration includes
AMM 2p magazine and NPU2
• Fan unit required in certain scenarios
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Transmission & Transport Networks

MINI-LINK TN
Hardware components
AMM 2p / AMM 6p / AMM 20p / Plug-in Units / Accessories
Node Processor Unit for AMM 2p (NPU2)
• Centralized node processor with DCN router,
SNMP Master Agent etc.
• E1 interfaces for connection to co-located BTS
• 10/100 BASE-T Ethernet interface for management and traffic
• USB interface for local maintenance
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4x2 Mbit/s
(120ohm)
+24/-48 VDC
USB
10/100 BaseT
Transmission & Transport Networks

MINI-LINK TN
Hardware components
AMM 2p / AMM 6p / AMM 20p / Plug-in Units / Accessories
E1 Line Termination Unit (LTU 12x2)
• Used for additional E1s when NPU2
(4E1s) is insufficient
• 12xE1 interfaces, 120 Ohm G.703
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4x2 Mbit/s
(120ohm)
4x2 Mbit/s
(120ohm)
Leds
4x2 Mbit/s
(120ohm)
Transmission & Transport Networks

MINI-LINK TN
Hardware components
AMM 2p / AMM 6p / AMM 20p / Plug-in Units / Accessories
• Magazine height: 150 mm
• Two half height positions for power and fan unit
• One full height slot dedicated for node processor
• Five full height slot positions for any plug-in unit
• Mandatory configuration includes AMM 6p magazine,
NPU1, PFU2 and FAU2
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Transmission & Transport Networks

MINI-LINK TN
Hardware components
AMM 2p / AMM 6p / AMM 20p / Plug-in Units / Accessories
Power Filter Unit 2 (PFU2)
• -48V DC input on PFU2
• +24V DC via external converter
• Redundant power unit available
Fan Unit (FAU2)
• Integrated fan unit for AMM 6p
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Transmission & Transport Networks
59

MINI-LINK TN
Hardware components
AMM 2p / AMM 6p / AMM 20p / Plug-in Units / Accessories
• Magazine height: 300mm
• Two half height positions for protected or unprotected power
• One full height slot dedicated for node processor
• Nineteen full height positions for any plug-in unit
• Mandatory configuration includes AMM 20p magazine,
NPU1 and PFU1
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Transmission & Transport Networks
60

MINI-LINK TN
Hardware components
AMM 2p / AMM 6p / AMM 20p / Plug-in Units / Accessories
Fan Unit 1 (FAU1)
• Used for cooling in the AMM 20p
• Three fans for redundancy
• Two power interfaces for redundancy
• Alarm interface towards PFU1
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Transmission & Transport Networks

MINI-LINK TN
Hardware components
AMM 2p / AMM 6p / AMM 20p / Plug-in Units / Accessories
Power Filter Unit 1 (PFU1)
• Half size to accommodate two units in one full-height position
• Two PFU1s configured for redundancy
• Alarm interface towards FAU1
• -48V DC input on PFU1
• +24V DC via external converter
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Transmission & Transport Networks
62

MINI-LINK TN
Hardware components
AMM 2p / AMM 6p / AMM 20p / Plug-in Units / Accessories
Node Processor Unit for AMM 6p/AMM 20p (NPU 8x2)
• Centralized node processor with DCN router,
SNMP Master Agent etc.
• 10 BASE-T Ethernet interface for management
• E1 interfaces for local add-drop
• User In-/Output signals
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Transmission & Transport Networks

MINI-LINK TN
Hardware components
AMM 2p / AMM 6p / AMM 20p / Plug-in Units / Accessories
Modem Unit (MMU2)
• C-QPSK modulation
• Software-configurable capacity; 4-34 Mbit/s
• Compatible over the air with MINI-LINK E
• 1+1 protection via SMU2
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Transmission & Transport Networks

MINI-LINK TN
Hardware components
AMM 2p / AMM 6p / AMM 20p / Plug-in Units / Accessories
Modem Unit (MMU2 C)
• C-QPSK/16 QAM modulation agilitiy
• Software-configurable capacity; 8-64 Mbit/s
• Compatible over the air with MINI-LINK E*
• 1+1 protection without SMU2
* In C-QPSK mode
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Transmission & Transport Networks

MINI-LINK TN
Hardware components
AMM 2p / AMM 6p / AMM 20p / Plug-in Units / Accessories
Switch Multiplexer Unit (SMU2)
• Triple function plug-in unit
• Two MMU2s and one SMU2 for 1+1 protection
• External channelized 34 Mbit/s interfaces
• Co-siting interfaces with MINI-LINK E
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Transmission & Transport Networks

MINI-LINK TN
Hardware components
AMM 2p / AMM 6p / AMM 20p / Plug-in Units / Accessories
E1 Line Termination Unit (LTU 16x2)
• Used for additional E1s when NPU
8x2 is insufficient
• 16xE1 interfaces, 120 Ohm G.703
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Transmission & Transport Networks

MINI-LINK TN
Hardware components
AMM 2p / AMM 6p / AMM 20p / Plug-in Units / Accessories
STM-1 Line Termination Unit (LTU 155)
• Terminal multiplexer function
• 63xVC12s terminated to E1s
• MSP1+1 protection
• LTU 155 e/o and LTU 155 e
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Transmission & Transport Networks

MINI-LINK TN
Hardware components
AMM 2p / AMM 6p / AMM 20p / Plug-in Units / Accessories
Traffic termination/Pre-fabricated cables
• 120 Ohm, 6.0 meter pre-fabricated cables with one open end
• Connects direct to Sofix interfaces on NPUx/LTUx
• Easy way to connect to existing patch panels on site
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Transmission & Transport Networks

MINI-LINK TN
Hardware components
AMM 2p / AMM 6p / AMM 20p / Plug-in Units / Accessories
Traffic termination/Interface panels
• Sofix interface conversion
• 120 Ohm/DSUB and 75 Ohm/SMZ
• Particularly useful for 75 Ohm applications
ICF1 120 Ohm for AMM 20p
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ICF2 120 Ohm for AMM 6p
70
ICF16x2 120 Ohm for LTU16x2
Transmission & Transport Networks

MINI-LINK TN
Hardware components
AMM 2p / AMM 6p / AMM 20p / Plug-in Units /
Accessories
Outdoor solution for AMM 2p/AMM 6
• Easy to install
• Reliable
• Flexible
4/22109-FGC 101 190/1 Uen Rev.B
71
Transmission & Transport Networks

MINI-LINK TN
Hardware components/Summary
Magazines
2p
6p
20p
Plug-in units
• Power unit
• Node Processor
• Switch and co-siting interface
• Line Terminal Unit
• STM-1 Terminal Mux
• Modem Unit 4-34
• Modem Unit 8-64
4/22109-FGC 101 190/1 Uen Rev.B
Transmission & Transport Networks
72

MINI-LINK TN
Hardware components/Summary
4/22109-FGC 101 190/1 Uen Rev.B
73
MMU2 (Modem Unit)
SMU2 (Switch Multiplexer Unit)
LTU 16x2 (Line Termination Unit)
LTU 155 (Line Termination Unit)
NPU (Node Processor Unit)
PFU (Power Filter Unit)
Transmission & Transport Networks

MINI-LINK TN
Microwave transmission from an end-to-end perspective
Any frequency, capacity and modulation
Nodes designed for networks
Fixed, mobile and broadband applications
Efficient Management Systems
4/22109-FGC 101 190/1 Uen Rev.B
74
Transmission & Transport Networks

MINI-LINK TN
Summary
• Platform for next generation microwave networks
• Lower your network cost, while improving capacity and control
• Managed by MINI-LINK Manager
4/22109-FGC 101 190/1 Uen Rev.B
75
Transmission & Transport Networks