ZyXEL Communications PLA-470 V2 - V3.0.5 Guía de instalación descargar pdf (Pagina 306)

For this purpose, it is necessary to connect to the HTTP configuration interface of the

products via VPN tunnels between the NOC and the PLC infrastructure devices used for

viewing the NOC and the PLC network in the same local area network with a common

addressing plane. For example, in Figure 12.14, the supervision station is in 192.168.1.10

and the PLC network is in 192.168.1.251.

Once connected to the interface, as illustrated in Figure 12.15, just select the desired

device in the Source menu of the menu bar (slave devices or repeaters; these devices are

spotted with their MAC address at the interface level).

Examples of Small, Medium, and Large-Scale PLC Networks

Several deployments of PLC networks over the electrical networks of communities

have been experimented with in the last years.

These developments have enabled operators’ research and development centers

to carry out in situ tests on their technology on real network and subscriber cases.

Communities supported by alternative operators, electrical utilities, and so forth

have then prepared the first Internet subscription offers via PLC.

Other advances were made in the United States, in Spain, and in Switzerland

where distribution PLC networks were deployed in entire cities. Lastly, China has

deployed PLC networks with the FibrLink operator for tens of thousands of people

living in new buildings.

The recent takeover of Current Technologies by Google shows that, for some

major Internet players, the PLC networks represent a distribution technology with

promising developments.

Small-Scale PLC Networks

Within the framework of its missions, the EDF research and development depart-

ment deployed a PLC distribution network in 2002 in the commune of Courbevoie

Implementation of a Communitywide PLC Network 287

Table 12.3 Parameters to Be Configured for Each Type of Device of the PLC Infrastructure of the

Distribution Network

INFRASTRUCTURE

DEVICE TYPE

PARAMETER TO BE CONFIGURED

Master

–Internet connection parameters

–List of authorized slave devices

–Filtering of MAC and IP addresses

–Confidentiality of slave devices between themselves

–Configuration of authentication servers (RADIUS, PPP, and so forth)

–NAT and firewall for management interfaces

Repeater

–Segmentation of PLC network parts

–PLC network keys

–Physical or logical repetition

Slave

–PLC network keys

–Authentication to the master device

–IP PCL addressing for management/supervision

–Management of priorities (QoS) and IP service classes (voice, data, video)

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