ZyXEL Communications PLA-470 V2 - V3.0.5 Przewodnik Instalacji Pobierz pdf (Strona 270)

The AsokaUSA company develops products intended for professionals based on the

HomePlug specification, which makes these products interoperable with the HomePlug

1.0, Turbo, and AV devices. This company also proposes products and accessories used

for optimizing the PLC network (repeaters, filters, coupling systems).

The Devolo company develops HomePlug (1.0, Turbo, and AV) products

intended for professionals by integrating them into metal packages fitted with

attachment systems suited to the technical rooms close to the electrical devices of a

company or industrial building.

Choosing Network and Electrical Equipment

Some criteria used for choosing PLC devices for home networks can be reused here,

provided that a number of other criteria are added to them, in particular the follow-

ing ones:

•

Management of more than 15 devices (HomePlug 1.0 and Turbo standard

limits for a simple PLC network);

•

Network monitoring (typically SNMP);

•

Centralized administration and configuration (HTTP, Telnet, SSH, and so

forth);

•

Isolated metal packages used for dissipating the heat of the PLC electronic

components;

•

PLC interface and separate 110 to 220V/50 to 60 Hz power supply;

•

Possible repetition of the PLC signal;

Choosing Network and Electrical Equipment 251

Table 11.1 Criteria for the Choice of Corporate PLC Technologies

PLC

TECHNOLOGY

CHOICE CRITERION

HomePlug

1.0, Turbo

Low cost, ideal for SMB, few advanced functionalities, DES 56-bit secu

rity, easy deployment, few administration possibilities

Leading-edge technology, high useful throughput, higher cost, advanced

network management functionalities,

guaranteed QoS

AsokaUSA

HomePlug 1.0 and Turbo compatible, advanced functionalities (HTTP

interface, SNMP administration with a single IP address, reinforced secu-

rity, and so forth), professional electrical coupling systems, PLC repeaters

DS2 AV200

High and stable throughput, master-slave architecture, centralized admin-

istration, not HomePlug compatible, product integration into professional

packages, advanced configuration functionalities (security, QoS, VLAN,

and so forth)

Spidcom

High and stable throughput, highly advanced configuration (possible con-

figuration of each of the frequency sub-bands used), centralized adminis-

tration (SNMP, HTTP, and so forth), experience with innovative products

in the PLC field

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