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hfc optical nodes
DKT develops coaxial and optical products for professional broadband operators and solution providers. The company was founded in 1977, and with thirty years of experience in coaxial broadband networks, DKT offers a comprehensive product portfolio, making it a strong partner for broadband operators.
In April 2007 DKT acquired DANLAB Electronics A/S, forming a product range called DKTDANLAB. DANLAB had since 1986 been developing and producing high performance amplifiers for small, medium and large HFC networks. The solid experience gained by DKT and DKTDANLAB is reflected in its products; being characterised by high quality, top performance and easy installation. Following several years of success in commercial FTTH deployments, DKT has used its experience and R&D capabilities to become a significant player in the industry. With the unique background and characteristics of the company, DKT strives to be among the most attractive suppliers in the industry.
DKT’s missionDKT’s mission is to be a strong partner in network products for European broadband operators and solution providers. Based on know-how and natural enthusiasm, good ideas are developed into successful products. This is done together with the customer, who furthermore can appreciate the broad product range, the attractive quality/price level and the unique customised products. DKT’s flexibility and proactive attitude assists in optimizing broadband networks.
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Product introduction ........................................................... 3
AO 801 models - HFC node .................................................... 5
OE 801 model - HFC node...................................................... 7
Block diagrams .................................................................. 8
Optical Return Path Transmitter .............................................. 9
Accessories ...................................................................... 10
Module overview ............................................................... 11
about dkt and dktdanlab
Specifications are subject to change without notice. DKT is not liable for any misprints or errors.
3
IntroductionDKTDANLAB´s modern series of optical nodes for FTTx networks is based on a cost-optimized platform that supports a variety of broadband applications. The platform of optical nodes is built upon industry standards, thereby ensuring that all DKTDANLAB solutions can be integrated with other cable network systems.
OverviewThe product line consists of two different series. Firstly, the AO series, which is a compact and versatile FTTx node with management for two-way transmission. It provides an efficient way to manage and control the roll-out of projects and new services. The all-in-one active element delivers high output levels for distribution or low level output for trunk deployments. Secondly, the OE series, which is a deep fibre FTTC node ideal for multimedia applications. This pushes fibre directly to the curb in densely populated areas. Whilst operating with a low power consumption level, this all-in-one element delivers high output levels for distribution in any broadband HFC network environment.
Both series have a variety of configuration possibilities and can be expanded to meet the future needs of a growing and changing network.
product introduction
All nodes are equipped with special DKTDANLAB cooling fins. These fins are very effective in releasing heat and provide optimal air circula tion. Due to their robust design, the nodes can be installed indoors and outdoors. Simple installation, customization, configuration and system manage ment are the cornerstones of these two models.
Advantages
- A wide gain range obtainable by integrated gain switch and attenuators- Modular optical return path transmitters- Output Splitter incorporated within the node- Multiple pluggable optional module (see pages 9-11)
5
Product information
The compact and modular design of the AO 801 models provides an upgradeable, scalable and efficient way to manage and control the roll-out of projects and new services.
The AO 801 models addresses the expanding service and operational needs of operators planning for the challenge of supplying interactive services to a growing number of subscribers. Ideal for multimedia applications, the node can be set to the high gain switch position; pushing fibre deeper into the network to subscribers in densely populated areas.
Transmission to geographically dispersed subscribers is accommodated by simply setting the node to the low gain switch position. This subsequently enables a number of amplifiers to be configured in small cascades, ensuring that all subscribers can be served.
ao 801 models - hfc node
Forward path, optical section AO 801V1
Optical wavelength 1290 - 1600 nm
Optical input power level -6 to +2 dBm
Equivalent current noise @ 47 / 862 MHz 8 / 6 pA/√Hz
Forward path, Coaxial section
Bandwidth (depending on diplexer modules) 47 - 862 MHz
Output level - high gain (optical link specifications) 102-112 dBμV
CTB (42 ch CENELEC) @ 0 dBm / 4.5% OMI 62 dB @ 110 dBμV
CSO (42 ch CENELEC) @ 0 dBm / 4.5% OMI 65 dB@ 110 dBμV
Output level - low gain (optical link specifications) 94 - 106 dBμV
CTB (42 ch CENELEC) @ 0 dBm / 4.5% OMI 68 dB @ 100 dBμV
CSO (42 ch CENELEC) @ 0 dBm / 4.5% OMI 65 dB @ 100 dBμV
Return path
Bandwidth (depending on diplexer modules) 5-65 MHz
General
Line power, voltage 24-65 VAC
Line power, current 1080-450 mA
Mains power, voltage 175-260 VAC
Power consumption (incl. return path) 19 W
Internally used optical connector SC/APC
Coaxial outputs PG11
Physical
Dimension 200 x 180 x 82 mm
Weight 2 Kg
Note: all specifications are with 0 dB link modules. If other modules are inserted, then please correct for insertion loss.
(see block diagram on page 8)
Ordering information
Type no. AOL 801 V1 AOM 801 V1
Item no. 65807 65801
Power supply Line Mains
Advantages
- Value line – compact deep fibre optical node- High system performance – high levels/low noise - Output splitter incorporated within the node - Single compact unit, housing fibre optic receiver/transmitter and a versatile CATV amplifier - Competitive price/performance
7
oe 801 series - hfc nodeProduct information
The OE 801 model addresses the expanding service and operational needs of cable operators planning for the challenge of supplying interactive services to a growing number of subscribers. Ideal for multimedia applications, the OE 801 pushes fibre directly to the curb (FTTC) of each subscriber household in densely populated areas.
Whilst operating at a low power consumption level, this all-in-one active element has high system performance with output levels and low noise levels for distribution in any broadband HFC network environment.
The use of standard pads and a limited number of universal accessories simplifies and reduces set-up time. The node can be customised as either a receiver only or as a transmitter / receiver. Housed in a small, weather sealed unit and based on the modular DKTDANLAB platform, the cost of spare parts are lowered, resulting in convenient maintenance and reduction in operational costs. The series excels by having both a competitive price/performance ratio as well as low operating costs.
Forward path, optical section OE 801H1
Optical wavelength 1290-1600 nm
Optical input power level -6 to +2 dBm
Equivalent current noise @ 47 / 862 MHz 8 / 6 pA/√Hz
Forward path, Coaxial section
Bandwidth (depending on diplexer modules) 47-862 MHz
Output level - high gain (optical link specifications) 100-110 dBμV
CTB (42 ch CENELEC) @ 0 dBm / 4.5% OMI 62 dB @ 110 dBμV
CSO (42 ch CENELEC) @ 0 dBm / 4.5% OMI 65 dB @ 110 dBμV
Return path
Bandwidth (depending on diplexer modules) 5-65 MHz
General
Mains power, voltage 175-260 VAC
Power consumption (incl. return path) 15 W
Internally used optical connector SC/APC
Coaxial outputs PG11
Physical
Dimension 200 x 180 x 82 mm
Weight 2 Kg
Note: all specifications are with 0 dB link modules. If other modules are inserted, then please correct for insertion loss.
(see block diagram on page 8)
Ordering information
Type no. OEM 801 H1
Item no. 65804
Power supply Mains
dc
EMS
ac
Tx Rx
DIBOFFON
-6 dB
Test-20 dB
Test-20 dB
Oe
eO
O
O
block diagrams
Test-20 dB
Test-20 dB
Oe
eO
O
O
AO 801 series
OE 801 series
9
Product information
The MRT Return Path Transmitter Module is a plug-in module designed for installation in all DKTDANLAB AO 801 and OE 801 optical nodes. It ensuring reliable return path operation for interactive services. The module has SC/APC or E2000/APC optical connectors and a monitoring facility for laser current.
optical return path transmitter
Return path MRT 300L MRT 300 MRT 400 MRT 500
Type of laser Fabry-Perot Fabry-Perot DFB uncooled DFB uncooled
Bandwidth 5-65 MHz 5-65 MHz 5-65 MHz 5-65 MHz
Wavelength 1310 +/- 20 nm 1310 +/- 20 nm 1310 +/- 3 nm Variant +/- 3 nm
Output power 0.5 mW 1.0 mW 2.0 mW 2.0 mW
RIN -125 dB/Hz -130 dB/Hz -145 dB/Hz -140 dB/Hz
IM2 (meassured at 10% OMI) -40 dBc -40 dBc -44 dBc -45 dBc
IM3 (meassured at 10% OMI) -50 dBc -50 dBc -57 dBc -55 dBc
CNR (2.5% OMI, 5 dB loss, BW=600 KHz) 42 dBc 38 dBc 52 dBc 52 dBc
Input level (for 10% OMI) 74 dBμV 72 dBμV 74 dBμV 77 dBμV
Flatness +/- 0.5 +/- 0.5 +/- 0.5 +/- 0.5
Attenuation (by pads on motherboard) 0-18 dB 0-18 dB 0-18 dB 0-18 dB
General
Power consumption 0.2 (max 0.5) W 0.2 (max 0.5) W 0.2 (max 0.5) W 0.2 (max 0.5) W
Temperature range (for the node) -20 to +55 °C -20 to +55 °C -20 to +55 °C -20 to +55 °C
Internal connector SC/APC SC/APC SC/APC SC/APC
Physical characteristics
Dimensions 52 x 45 x 30 mm 52 x 45 x 30 mm 52 x 45 x 30 mm 52 x 45 x 30 mm
Note: all specifications are with 0 dB link modules. If other modules are inserted, then please correct for insertion loss.
Ordering information
Type no. MRT 300L MRT 300 MRT 400
SC/APC E2000/APC SC/APC E2000/APC SC/APC E2000/APC
Item no. 65838 65827 65822 65823 65824 65825
Ordering information
Type no. MRT 500
Wavelength (nm) SC/APC E2000/APC
Item no.
1510 65830 65831
1530 65832 65833
1550 63834 65835
1570 65836 -
1590 65837 -
accessories
Network Management Transponder
With an HMS-based (Hybrid Management Sub-Layer) transponder solution from the recognised supplier Opterna AM, monitoring and management of services critical to the HFC network are simplified. This allows for monitoring the status of amplifier output level and temperature. Furthermore, the built-in reverse path switch can be controlled. Full HMS compatability and centralised management allows for surveillance, status monitoring, and element management of mission-critical HFC network services. Compatible with numerous third-party management software solutions.
Technical specifcations FlexStat III
Transmitter carrier frequency MHz 5-42 (default 8)
Modulation type FSK
Bandwidth (@ 40 / 50 dBc) KHz 300 / 500
RF output level (measured on amplifier input port) dBµV 66-96 (default 96)
Output level attenuator dB 0-30 in 2 dB steps
Data rate Kbps 38.4
Spurious (5-50 MHz) dBc > 60
Receiver carrier frequency MHz 48-120 (default 120)
Input level range (measured on amplifier output port) dBµV 75-115
Receiver spurious output (48-1000 MHz) dBµV 10
General
Power consumption W 1
Dimensions (W x H x D) mm 120 x 75 x 40
Ordering information
Type no. FlexStat III
Item no. 63604
MS module, splitter
The MS Splitter Modules are designed to be installed in all DKTDANLAB Nodes and Amplifiers. - Same plug-in modules for all nodes and amplifiers.- Very high return loss and superb linearity.- Numerous value combinations.
Technical specifications MS 100 MS 101 MS 404 MS 207 MS 110 MS 114 MS 118
Item no. 63000 63001 63002 63007 63004 63005 63006
Frequency range MHz 5-1000 5-1000 5-1000 5-1000 5-1000 5-1000 5-1000
Insertion loss, Out A10 MHz
dB 0 No pass3.3 7.3 10.2 14.4 17.8
862 MHz 3.7 6.8 9.9 13.9 17.8
Insertion loss, Out B10 MHz
dB No pass 03.3 1.8 0.9 0.7 0.4
862 MHz 3.7 2.4 1.3 0.9 0.6
Isolation Out A - Out B (-1.5/oct.) dB - - > 20 > 23 > 29 > 34 > 38
11
module overview
Type no. Item no. Attenuation (dB) Tilt (dB) Type no. Item no. Attenuation (dB) Tilt (dB)
JXP-OT200 63400 0 0 JXP-OT214 63414 14 13
JXP-OT201 63401 1 1 JXP-OT215 63415 15
JXP-OT202 63402 2 2 JXP-OT216 63416 16 14.5
JXP-OT203 63403 3 3 JXP-OT217 63417 17
JXP-OT204 63404 4 4 JXP-OT218 63418 18 16
JXP-OT205 63405 5 5 JXP-OT219 63419 19
JXP-OT206 63406 6 6 JXP-OT220 63420 20 17
JXP-OT207 63407 7 7 JXP-OT221 63421 21
JXP-OT208 63408 8 8 JXP-OT222 63422 22 18.5
JXP-OT209 63409 9 9 JXP-OT223 63423 23
JXP-OT210 63410 10 10 JXP-OT224 63424 24 20
JXP-OT211 63411 11 JXP-OT225 63425 25
JXP-OT212 63412 12 11.5 JXP-OT226 63426 26
JXP-OT213 63413 13
Technical specifications MDA 3047 MDA 5573 MDA 6080 MDA 6587
Item no. 63070 63072 63078 63071
Frequency range forward path MHz 47 - 862 73 - 862 80 - 862 87 - 862
Frequency range reverse path MHz 5 - 30 5 - 55 5 - 60 5 - 65
Insertion loss reverse path dB 0.6 at 30 MHz 0.7 at 55 MHz 0.7 at 60 MHz 0.7 at 65 MHz
Insertion loss forward path dB 0.6 at 47 MHz 0.7 at 75 MHz 0.8 at 80 MHz 0.7 at 87 MHz
dB 0.3 at 862 MHz 0.3 at 862 MHz 0.3 at 862 MHz 0.3 at 862 MHz
MDA module, Diplex filter
The MDA Diplex Filters are suitable for installation in all DKTDANLAB AB- and AA-Series amplifiers, AO and OE optical nodes.- Same plug-in modules for all nodes and amplifiers.- Low insertion loss and high return loss.- Available in numerous frequency combinations.
JXP Orange - 75 Ohm - 1200 MHz
The JPX Orange pads are suitable for installation in all DKTDANLAB AB- and AA-Series amplifiers, AO and OE optical nodes. - Can be used in two different positions in the platforms, providing either attenuation or tilt.- Can be inserted in two ways (by rotating 180˚), providing the same performance.- Offered in 1 dB steps, in a range of 1-26 dB.
www.dktcomega.com
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