MINI-LINK TN R4
System Description
MINI-LINK TN System Description
• Magazine (AMM)
• Power Filter Unit
• Fan
• Node Processor Unit
• Line Termination Unit
• Ethernet Termination Unit
• Modem Unit
© Ericsson AB 2007 LZU 108 6895 R1A
Figure 1- 1
MINI-LINK TN System Description
Access Module Magazines
Diffrent sizes depending on the
need
© Ericsson AB 2007 LZU 108 6895 R1A
Figure 1- 2
MINI-LINK TN System Description
Access Module Magazine, AMM
AMM 2p (previous release)
• For edge and repeater nodes
• Can house 2 full width plug-in
units and 2 half width plug-in units
• Maximum 2 radio terminals
AMM 2pB (Now)
• For edge and repeater nodes
• Can house 2 full width plug-in units
and 2 half width plug-in units
• Maximum 2 radio terminals
• Redundant DC-power directly
connected to the magazine
© Ericsson AB 2007 LZU 108 6895 R1A
Figure 1- 3
MINI-LINK TN System Description
AMM 2p B, slots
Reserved slots:
• 01:
NPU3, NPU3 B
Configuration rules:
NPU3 or NPU3 B
Fan Unit FAU4
• Slot 00 is a HSU slot available
for any half size PIU except NPU
• Slot 02 and 03 are available
for any full size PIU
• Note that the DC power is
connected to the magazine
and not to a plug-in unit
© Ericsson AB 2007 LZU 108 6895 R1A
Slot 01
Slot 03
Slot 00
Slot 02
Redundant DC power
+24 or -48VDC
Figure 1- 4
MINI-LINK TN System Description
Access Module Magazine, AMM
AMM 6p (previous release)
• For medium sized aggregation nodes
• Can house 6 full width plug-in units
• Maximum 5 radio terminals
AMM 6p B
• For medium sized aggregation nodes
• Can house 6 full width plug-in units
• Maximum 5 radio terminals
• Redundant DC-power
© Ericsson AB 2007 LZU 108 6895 R1A
Figure 1- 5
MINI-LINK TN System Description
Access Module Magazine, AMM
AMM 6p C (Now)
• For medium sized aggregation nodes
• Can house 5 full width plug-in units
and 2 half width plug-in units
• Maximum 5 radio terminals
• Redundant DC-power
AMM 6p D
• For medium sized aggregation nodes
• Can house 4 full width plug-in units
and 4 half width plug-in units
• Maximum 4 radio terminals
• Redundant DC-power
© Ericsson AB 2007 LZU 108 6895 R1A
Figure 1- 6
MINI-LINK TN System Description
AMM 6p C, slots
Reserved slots:
• 00 and 01: PFU3 B
• FAU:
FAU2
• 07:
NPU3, NPU3 B
Slot 01 FAU slot
Slot 08
Configuration rules:
Slot 06
Slot 05
Slot 04
Slot 03
• All 1+1 configurations starts at
slot number 2 and 4
• Dual pol. w XPIC
starting at slot number 2 and 4
• DC power +24 or -48VDC
© Ericsson AB 2007 LZU 108 6895 R1A
Slot 07
Slot 02
Slot 00
Figure 1- 7
MINI-LINK TN System Description
Access Module Magazine, AMM
AMM 20p
• For large sized aggregation nodes
• Can house 20 full height plug-in units
• Maximum 18 radio terminals
• Redundant DC-power
© Ericsson AB 2007 LZU 108 6895 R1A
Figure 1- 8
MINI-LINK TN System Description
AMM 20p B (Now)
Fan unit
AMM 20p B
• Large sized aggregation nodes
• 20 full size plug-in units
Max. 19 radio terminals
• Redundant DC-power, 48VDC
Cable shelf / air slot
© Ericsson AB 2007 LZU 108 6895 R1A
Figure 1- 9
MINI-LINK TN System Description
AMM 20p B, slots
Reserved slots:
Slot 01
• 00 and 01: PFU1
• 11:
NPU1 B, NPU1 C
Configuration rules:
• 1+1starting at even numbered
slots except slot 10
• Dual pol. w XPIC
starting at even numbered slots
except slot 10
• DC power -48VDC
Slot
00 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21
”4 group” ”4 group”
© Ericsson AB 2007 LZU 108 6895 R1A
Figure 1- 10
MINI-LINK TN System Description
”4 group” ”4 group”
MINI-LINK TN System Description
• Magazine (AMM)
• Power Filter Unit
• Fan
• Node Processor Unit
• Line Termination Unit
• Ethernet Termination Unit
• Modem Unit
© Ericsson AB 2007 LZU 108 6895 R1A
Figure 1- 11
MINI-LINK TN System Description
Power Filter Units, PFU
• DC power distribution to the magazine.
• DC filtering
• Short circuit, polarity and under voltage protection
• One unit is mandatory per magazine, one extra can be added
for DC redundancy
• Redundant PFU function is embedded directly in the AMM 2p B
© Ericsson AB 2007 LZU 108 6895 R1A
Figure 1- 12
MINI-LINK TN System Description
PFU1, PFU3 B
PFU1
• AMM 20p B
• Dedicated slots, 00 and 01
• -48VDC supply voltage
• Optional two units for DC redundancy
• Alarm interconnection for the Fan unit
PFU3 B
• AMM 6p C, AMM 6p D
• Dedicated slots, 00 and 01
• +24 or -48VDC supply voltage
• Optional two units for DC redundancy
© Ericsson AB 2007 LZU 108 6895 R1A
Figure 1- 13
MINI-LINK TN System Description
MINI-LINK TN System Description
• Magazine (AMM)
• Power Filter Unit
• Fan
• Node Processor Unit
• Line Termination Unit
• Ethernet Termination Unit
• Modem Unit
© Ericsson AB 2007 LZU 108 6895 R1A
Figure 1- 14
MINI-LINK TN System Description
AMM 2p B, FAU4
FAU4
Air out
Air in
AMM 2p B is equipped with a FAU4 depending on
the total power dissipation in the AMM.
© Ericsson AB 2007 LZU 108 6895 R1A
Figure 1- 15
MINI-LINK TN System Description
AMM 6p C and D, FAU2
Air out
Air in
FAU2
• Fan unit FAU2 is mandatory in all 6p magazines.
• At least 30 mm free space behind the magazine is needed
for sufficient airflow.
• If the space is less than 30 mm, a free space of 1U should be
free above the magazine.
• All unused slots shall be covered by dummy fronts.
© Ericsson AB 2007 LZU 108 6895 R1A
Figure 1- 16
MINI-LINK TN System Description
AMM 20p B, FAU1
• AMM 20p B
• Mandatory unit
• Three blowers for redundancy
• Redundant DC power
• Fan alarm interconnection to PFU1
© Ericsson AB 2007 LZU 108 6895 R1A
Figure 1- 17
MINI-LINK TN System Description
MINI-LINK TN System Description
• Magazine (AMM)
• Power Filter Unit
• Fan
• Node Processor Unit
• Line Termination Unit
• Ethernet Termination Unit
• Modem Unit
© Ericsson AB 2007 LZU 108 6895 R1A
Figure 1- 18
MINI-LINK TN System Description
Node Processor Unit, NPU
Common functionalities
• Central node processor
• Mandatory plug-in unit
• Holds configuration and licenses for the node in
Non-volatile memory and Removable Memory Module
• LAN interface for management DCN
• USB for local maintenance
• IP router for the management DCN
• SNMP agent
• E1/DS1 Line termination interfaces
© Ericsson AB 2007 LZU 108 6895 R1A
Figure 1- 19
MINI-LINK TN System Description
Node Processor units
NPU1 B
LAN
NPU1 C
NPU1 C
USB, local maintenance
F P
O&M
USB, local maintenance
TR:7/LAN
TR:6
4XE1
3 user in, 3 user out
1000BASE-TX
OUT TR:5 IN OUT TR:4 IN
4XE1 4XE1
LAN alt
3 user in, 3 user out
Eth. traffic
TR:4A-4D/User Out:E-F
10/100BASE-T
10/100BASE-T
F P
TR:3
LAN
O&M
NPU3 B
NPU3 B
E1/DS1
TR:4A-4D/User Out:E-F
10/100/1000BASE-T
10/100/1000BASE-T
F P
TR:3
TR:2/LAN
O&M
LAN
4XE1, 2 user out Eth. traffic
USB
LAN alt
4XE1, 2 user out
Eth. traffic
© Ericsson AB 2007 LZU 108 6895 R1A
Figure 1- 20
MINI-LINK TN System Description
BR
E1/DS1
BR
NPU3
NPU3
10/100/1000BASE-T
10/100/1000BASE-T1000BASE-TX
4XE1
USB
MINI-LINK TN System Description
• Magazine (AMM)
• Power Filter Unit
• Fan
• Node Processor Unit
• Line Termination Unit
• Ethernet Termination Unit
• Modem Unit
© Ericsson AB 2007 LZU 108 6895 R1A
Figure 1- 21
MINI-LINK TN System Description
Line Termination Unit, LTU
Traffic interfaces
E1/E2/E3/DS1/DS3/STM-1/OC-3
To terminate traffic to/from external equipment
© Ericsson AB 2007 LZU 108 6895 R1A
Figure 1- 22
MINI-LINK TN System Description
Line termination units, PDH
LTU3 12/1
Soffix connectors, 4 E1’s to each
LTU 16/1
LTU 32/1
© Ericsson AB 2007 LZU 108 6895 R1A
Figure 1- 23
MINI-LINK TN System Description
Line protection, SDH
LTU 155
Same traffic over
two optical connections
Alarms
Fibre
Alarms
BPI bus
© Ericsson AB 2007 LZU 108 6895 R1A
Figure 1- 24
MINI-LINK TN System Description
TDM bus
TDM bus
2x Line Termination units
LTU 155 e/o, LTU B 155 or LTU 155 ANSI (1+1 APS)
Line Termination Unit, SDH
LTU 155e or LTU155 e/o
• Terminates one STM-1 connection with 63xE1 in the
backplane.
• Electrical interface (G.703)
• Optical interface (Short haul S-1.1)
© Ericsson AB 2007 LZU 108 6895 R1A
Figure 1- 25
MINI-LINK TN System Description
MINI-LINK TN System Description
• Magazine (AMM)
• Power Filter Unit
• Fan
• Node Processor Unit
• Line Termination Unit
• Ethernet Termination Unit
• Modem Unit
© Ericsson AB 2007 LZU 108 6895 R1A
Figure 1- 26
MINI-LINK TN System Description
Ethernet Termination Unit, ETU
ETU3
ETU3
10/100/1000BASE-T
ETU2
ETU2 for Ethernet traffic termination in any magazine
• Multi-port Ethernet plug in board
• 5 x 10/100BASE-T interface
• 1 x 10/100/1000BASE-T interface
• 180 Mbit/s throughput
© Ericsson AB 2007 LZU 108 6895 R1A
Figure 1- 27
MINI-LINK TN System Description
MINI-LINK TN System Description
• Magazine (AMM)
• Power Filter Unit
• Fan
• Node Processor Unit
• Line Termination Unit
• Ethernet Termination Unit
• Modem Unit
© Ericsson AB 2007 LZU 108 6895 R1A
Figure 1- 28
MINI-LINK TN System Description
Modem Unit, (MMU)
• Interface to the radio (One MMU per radio).
• Modulates the digital traffic into analogue radio-modulation
• Sets the traffic capacity and frequency bandwidth
• Compact 1+1 configuration
• MSP 1+1 support (MMU2 E,F)
• SFP for traffic termination (MMU2 E,F)
• Supports XPIC (MMU2 F,H).
• Supports Adaptive Modulation.
© Ericsson AB 2007 LZU 108 6895 R1A
Figure 1- 29
MINI-LINK TN System Description
Modem units
General about SDH/Sonet types
MMU2 F 155
STM-1
OUT TR IN
XPIC
Modem
MMU2E and MMU2F where XPIC is the different
© Ericsson AB 2007 LZU 108 6895 R1A
Figure 1- 30
MINI-LINK TN System Description
Modem Unit, MMU
Small Form-factor Pluggable
SFP:
• User selectable interface module to insert in
MMU2 E and MMU2 F
• Optical interface (Short haul S-1.1)
• Electrical interface (G.703)
© Ericsson AB 2007 LZU 108 6895 R1A
Figure 1- 31
MINI-LINK TN System Description
Modem Unit, MMU (R3)
C-QPSK
16 QAM
128 QAM
2x2 4x2 8x2 17x2
8x2 17x2 22x2 32x2 46x2 35x2 75x2
16/64
QAM
128
QAM
155
155
MMU2 B
MMU2 C
MMU2 D
MMU2 E
MMU2 F*
* with XPIC available with 128 QAM
© Ericsson AB 2007 LZU 108 6895 R1A
Figure 1- 32
MINI-LINK TN System Description
MMU Types (R4)
▪ PDH Only:- MMU 2B and MMU 2C.
▪ SDH Only:- MMU 2E and MMU 2F.
▪ Super PDH and Ethernet:- MMU 2D and MMU 2H
– The Channel Spacing and Modulation Techniques are set to give
a total traffic capacity.
– This Total Traffic Capacity can be divided into (E1s) and Packet
Link Capacity.
© Ericsson AB 2007 LZU 108 6895 R1A
Figure 1- 33
MINI-LINK TN System Description
MMU2 H
Traffic capacities – XPIC & adaptive modulation
Bandwidth
Modulation
TN
Capacity
Mbps
7 MHz
14 MHz
28 MHz
40 MHz
56 MHz
4 QAM
10
21
46
65
94
16 QAM
21
45
94
133
189
32 QAM
25
54
115
167
237
64 QAM
29
66
138
197
285
128 QAM
35
72
160
229
326
256 QAM
41* **
78
180
257
369
512 QAM
50* **
95* **
200*
286
406
Physical modes planned to be
available with XPIC before and
including release 4.4
Physical modes that can combine
XPIC and AM planned before and
including release 4.4
Mix Native Ethernet and
Native PDH in steps of 2
Mbps
Stated Capacity are:1)
406 Mbps air interface capacity
2)
500 Mbps line interface capacity
* Requires new HW revision state of MMU2 H
planned for 4.4
** Not available for 26, 28, 32, 38 and 42 GHz bands
MIX Adaptive Modulation and XPIC
Secure highest possible traffic capacity
© Ericsson AB 2007 LZU 108 6895 R1A
Figure 1- 34
MINI-LINK TN System Description
© Ericsson AB 2007 LZU 108 6895 R1A
Figure 1- 35
MINI-LINK TN System Description