FTTx-Solutions The consistent use of optical fibres up to the subscriber instead of installing separated networks for voice, data and video facilitates the implementation of a universal Triple Play network for all three services. This is the most future- proof solution for the transmission of 100 Mbps without any distance pro- blems. In particular point-to-point systems pro- vide the highest degree of future-proof- ness for FTTH (Fibre-to-the-Home) connections. Currently switched Fast Ethernet is the solution of choice provi- ding each subscriber with a P2P conn- nection at data rates of 100 Mbps. The central components and the Customer Premises Equipment (CPE) made by Nexans have specifically been designed for this purpose. Moreover, the Nexans CPE offers a special technology for the efficient multicast transmission of Video over IP, ports for connecting traditional telephones (POTS) as well as particular- ly high security and data integrity. Unlike shared technologies, such as tree-structured passive optical networks (PON), Ethernet can be used to deploy scalable networks at data rates up to the gigabit range without changing the infrastructure. Active components for FTTx FTTx networks i.e. Fibre-to-the-Home, Fibre-to-the-Curb, etc. have a rather simple infrastructure. Network opera- tors setup a data network within a metropolitan area which is similar to the networks of large companies. High-performance data switches are installed at strategic points and inter- connected via singlemode fibre-optic cables. Gigabit or 10 Gigabit Ethernet will be used for transmission. From here the subscriber is connected either directly via 100 Mbps or remote swit- ches with Gigabit Ethernet uplinks are used as an intermediate stage. The installed switching and routing equip- ment is fitted with optical connections in the uplink and with 100 Mbps or 1 Gbps copper ports on the subscriber side. Media converters convert the copper ports into single or dual fibre singlemode ports. For the development of areas with a higher subscriber densi- ty Nexans offers wavelength division multiplexing systems (WDM) based on Coarse WDM (CWDM) and Dense WDM (DWDM) technologies. Connectivity to customers in apartment and single-family houses is implemen- ted as follows: Single-family houses are equipped with optical single or dual fibre access. The cable is terminated for instance in a ter- minating unit in the basement. Here both passive and active network termi- nations are located. The passive part provides the termination of the optical outdoor cable and usually contains a splice cassette for accommodating an optical connector providing the connec- tion to the active network termination, i. e. the Customer Premises Equipment (CPE). On the subscriber side the Nexans CPE is equipped with 4 and 8 Fast Ethernet switch ports respectively and 2 tip-and-ring (TR) POTS ports. The mechanical design of the Nexans FTTH solution provides some special advan- tages with a view to the minimization of installation costs, the efficient marketing of broadband access lines and a high operational security based on an opti- cal plug-in connection without optical connection cable. For connection to the Fig. 2: CPE Installation Fig. 1: CPE Application Twisted Pair Switch Media Converter Home 1 Home n Single Mode Fiber (1 Faser)
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FTTx-Solutions
The consistent use of optical fibres up tothe subscriber instead of installingseparated networks for voice, data andvideo facilitates the implementation of auniversal Triple Play network for allthree services. This is the most future-proof solution for the transmission of100 Mbps without any distance pro-blems.
In particular point-to-point systems pro-vide the highest degree of future-proof-ness for FTTH (Fibre-to-the-Home)connections. Currently switched FastEthernet is the solution of choice provi-ding each subscriber with a P2P conn-nection at data rates of 100 Mbps. Thecentral components and the CustomerPremises Equipment (CPE) made byNexans have specifically been designedfor this purpose. Moreover, the NexansCPE offers a special technology for theefficient multicast transmission of Videoover IP, ports for connecting traditionaltelephones (POTS) as well as particular-ly high security and data integrity.
Unlike shared technologies, such astree-structured passive optical networks(PON), Ethernet can be used to deployscalable networks at data rates up tothe gigabit range without changing theinfrastructure.
Active components for FTTxFTTx networks i.e. Fibre-to-the-Home,Fibre-to-the-Curb, etc. have a rathersimple infrastructure. Network opera-tors setup a data network within ametropolitan area which is similar tothe networks of large companies.
High-performance data switches areinstalled at strategic points and inter-connected via singlemode fibre-opticcables. Gigabit or 10 Gigabit Ethernetwill be used for transmission. From herethe subscriber is connected eitherdirectly via 100 Mbps or remote swit-ches with Gigabit Ethernet uplinks areused as an intermediate stage. Theinstalled switching and routing equip-ment is fitted with optical connections inthe uplink and with 100 Mbps or 1Gbps copper ports on the subscriberside. Media converters convert thecopper ports into single or dual fibresinglemode ports. For the developmentof areas with a higher subscriber densi-ty Nexans offers wavelength divisionmultiplexing systems (WDM) based on
Coarse WDM (CWDM) and DenseWDM (DWDM) technologies.Connectivity to customers in apartmentand single-family houses is implemen-ted as follows:
Single-family houses are equipped withoptical single or dual fibre access. Thecable is terminated for instance in a ter-minating unit in the basement. Hereboth passive and active network termi-nations are located. The passive partprovides the termination of the opticaloutdoor cable and usually contains asplice cassette for accommodating an
optical connector providing the connec-tion to the active network termination, i.e. the Customer Premises Equipment(CPE). On the subscriber side theNexans CPE is equipped with 4 and 8Fast Ethernet switch ports respectivelyand 2 tip-and-ring (TR) POTS ports. Themechanical design of the Nexans FTTHsolution provides some special advan-tages with a view to the minimization ofinstallation costs, the efficient marketingof broadband access lines and a highoperational security based on an opti-cal plug-in connection without opticalconnection cable. For connection to the
Fig. 2: CPE Installation
Fig. 1: CPE Application
Twisted Pair Switch
Media Converter
Home 1 Home n
Single Mode Fiber(1 Faser)
FTTx-Solutions
Nexans CPE there is a fixed opticalconnector on top of the passive networktermination unit. The active part is sim-ply plugged-on by the customer (Fig. 2).
Splitting the CPE into an active and apassive part offers the special advanta-ge that first of all it is possible to installall passive network terminations in onego when developing an area. If thecustomer now orders a connection, hewill receive his active CPE part by mailand simply plugs it on himself. Now theCPE automatically sets up a connectionto the central office, receives its custo-mer-specific configuration from there,and is immediately operational, thuseliminating the need of sending out atechnician to the customer. In this waynot only the costs for commissioning theequipment can be saved, moreoversales strategies can be employed wherethe customer has the possibility oftesting the services for a limited trialperiod.
In particular IP-TV offers a multitude ofadditional services and revenue stre-ams. For example Time-Shift TV allowsthe time-shifted provision (by max. 24h) of video on the central video server.The personal video recorder offers thesubscriber the possibility of centrallystoring several programmes from diffe-rent channels at the provider.
The economical operation of the CPEs
requires comprehensive managementand configuration features.Prioritisation is necessary to guaranteethe Quality of Service (QoS) in TriplePlay networks. Additionally specialmeasures are needed to support strea-ming video in IP multicasts. Security andauthentication features, granting accessonly to those users with the correctequipment address and with the appro-priate authorization stored on a centralserver, play a particularly importantrole.
In-house mostly copper cables are usedtoday. However, in the future plasticoptical fibres (POF) will be an alternati-ve.
In apartment houses each family canhave their own optical access. Thecable is either fixed or blown-in. In theapartment there is the Nexans CPE offe-ring the subscriber 100 Mbps TwistedPair interfaces for Triple Play and tele-phone, while the optical fibre is sealedin the equipment inaccessible to thesubscriber.
The use of CPEs with 4 and 8 FastEthernet ports respectively in the apart-ments simplifies and accelerates the ter-mination of the fibre-optical cable andthe conversion into data interfaces. Thiseliminates the need for externalmodems or switch systems with theirassociated fans etc.
For apartment houses with in-housecopper cabling a small 19" cabinet or awall enclosure is used to accommodatethe systems. In order to minimize capi-tal costs, standard Twisted Pair (TP) dataswitches with for example 24 TwistedPair interfaces are installed. The apart-ments are connected via Twisted Paircables. The installation of a CPE with aTwisted Pair uplink in each apartmentallows the customer to use up to 8Ethernet/Fast Ethernet ports.
Nexans believes that Ethernet access inan apartment offers the advantage thatthe customer is able to connect anycommercially available terminal whichhas a standardised Ethernet interface.
The comprehensive management featu-res for central configuration, line moni-toring and bit-rate billing offer the ope-rator the tools needed for a cost-effi-cient and profitable operation of hisnetworks.
As an option the CPE-systems are alsoavailable with an integrated CATV-bro-adband module (862 MHz).
In order to enhance the availability forsensitive applications, specially desi-gned, uninterruptible power supply(UPS) systems complete the CPE productportfolio.
Fig. 3: CPE Assembly
active
passive
IntegratedSplicing cassette
FTTx-Solutions
Power supply
4x Data
Uplink
CPE 40x with phone ports- 4x 10BASE-T//100BASE-TX- 2x analag phone ports (RJ11)--1x 100BASE-FX (SC, LC or MTRJ) or 100BASE-TX (RJ45) uplink- SingleFiber or DualFiber- SNMP and Web-Management- DHCP- Quality of Service for Real-Time-Services- Security features - VLAN and authentication- and further features
Included in delivery:- CPE basic system- Wall power supply 230 VAC
Order numbers:see adjacent table
CPE 80x without phone ports- 8x 10BASE-T//100BASE-TX- 1x 100BASE-FX (SC, LC or MTRJ) or 100BASE-TX (RJ45) uplink- SingleFiber or DualFiber- SNMP and Web-Management- DHCP- Quality of Service for Real-Time-Services- Security features - VLAN and authentication- and further features
Included in delivery:- CPE basic system- Wall power supply 230 VAC
Order numbers:see adjacent table
CPE 80x with phone ports- 8x 10BASE-T//100BASE-TX- 2x analag phone ports (RJ11)--1x 100BASE-FX (SC, LC or MTRJ) or 100BASE-TX (RJ45) uplink- SingleFiber or DualFiber- SNMP and Web-Management- DHCP- Quality of Service for Real-Time-Services- Security features - VLAN and authentication- and further features
Included in delivery:- CPE basic system- Wall power supply 230 VAC
Order numbers:see adjacent table
Power supply
8x Data
Uplink
4x 10/100 Mbps
8x 10/100 Mbps
Power supply
8x Data2x phone(optional)
Uplink
Power supply
4x Data2x phone(optional)
Uplink
4x 10/100 Mbps, 2x phone
8x 10/100 Mbps, 2x phone
CPE 40x without phone ports- 4x 10BASE-T//100BASE-TX- 1x 100BASE-FX (SC, LC or MTRJ) or 100BASE-TX (RJ45) uplink- SingleFiber or DualFiber- SNMP and Web-Management- DHCP- Quality of Service for Real-Time-Services- Security features - VLAN and authentication- and further features
Included in delivery:- CPE basic system- Wall power supply 230 VAC
Order numbers:see adjacent table
FTTx-Solutions
Cable Termination Unitfor CPE
Included in delivery:- Cable termination base unit with integrated splicing cassette- Fiber cover plate- Front coverage
ringing tonesExternal Class 5 services Activation of class 5 services supported by IP-telephone systemG3 Fax T.38Calling number identification FSK, DTMF3rd Party initiated pause and rerouting External rerouting of media stream during speech, e.g. for
prepaid calling card and record announcement
DTMF In-band and out-band using H245 and H225 bidirectional
QoS for real-time servicesSpeech Codecs G711, G729.ab, G723.1DiffServ Level 3 (IP) mechanism for handling of QoSClass of Service Level 2 (Ethernet) mechanism for handling QoSInternal delay 5-10 ms delay for decoding/encoding/AEC/internal opera-
tions in the CPEGeneral Adaptive Jitter buffer, echo cancellation (G.165, G.168),
speech sampling 10-60 ms, silence suppression with comfort noice.
ManagementSNMP Management For remote mangement, SNMPv1, MIBII, Enterprise MIBInternal Web server OptionalEnhanced Plug & Play functionality DHCP messages optionCPE Element Manager For optimal handling of large population of CPE units
Flexibility & Service differentiationBandwidth shaping Per LAN-portIGMP IGMP snooping V1 and V2Daisy chaining Up to 3 CPE can be connected in seriesNumber of telephones Up to 5 analog telephones can be connected in series to
each telephone portRegional Settings Properties Telephony signals, tones and cadences
Features (depending CPE version)
CATV Features
Connectors supportedFiber in SC/APC mounted on the PCB Coax out F-Type female
Optical parametersOptical input power range -10 dBm to +0 dBmOptical Wavelength 1100nm to 1650nm Optical return loss >40dB
RF parametersOperating Frequency Range 40 MHz to 862 MHzRF output impedance Unbalanced 75 OhmOutput return loss >14dB @ 862MHzRF output level >10dBmV, 4.0% OMI, -6dBm opticalFlatness +/- 1.5dBEquivalent noise current density 8 pA/vHzC/N (carrier-to-noise) >46 dB(1)CTB (composite triple beat) >56 dB with Cenelec 42 channels RF load(2)
>60 dB with NTSC 78 channels RF load(3)CSO (composite second order) >56 dB with Cenelec 42 channels RF load(2)
>60 dB with NTSC 78 channels RF load(3)Output RF-signal The MCC unit provides an output RF-signal strong enough to "drive"
as a minimum 4 TV sets connected in cascade over 50 m CoAX cable
Physical and EnvirementalInput voltage range 11 to 15 VDCInput current 125 mA typicalPower consumption 1.5 WattDimensions 30mm (H) x 35mm (D) x 50mm (W)Weight 100 grOperating temperature -5 to +60 CStorage temperature -40 to +85 COptical power indication < -10 dBm : Red colorOptical power indication > -10 dBm : Green color
Regulatory complianaceEN 60950-1 first edition EN 60825-1 IEC 60950-1 first edition IEC 60825-1 CB 60950-1 first edition CB 60825-1 WEEE & ROHS
