ZyXEL Communications PLA-470 V2 - V3.0.5 Przewodnik Instalacji Pobierz pdf (Strona 228)

placed at 255.255.0.0. In this case, the default gateway is not important since the

configuration PC has an address in the same addressing plane (10.10.1.10).

Once these network parameters are configured, it is important to configure the

network mode for each PLC device.

As illustrated by Figure 9.36, the device closest to the circuit breaker panel is in

master (HE) mode; the other devices are in slave (CPE) or repeater (TDREP) mode.

The repeater mode is used for reaching devices that cannot be easily connected due

to the length of the electrical wiring or to other electrical environment constraints

the building may have.

This configuration is performed in the Access configuration section of the MAC

configuration window pane by selecting Node Mode. A window then prompts you

to choose among the three possible modes.

Groups of multicast IP type can be created with DS2 PLC devices and IP frames

are sent from a source device to several destination devices belonging to the

multicast group. To implement groups of “multicast” IPs, it is important to have

good knowledge of the configuration techniques for IP networks (see end of chap-

ter).

One of the essential parameters of any type of PLC networks is the network key,

called “password” in the DS2 configuration tool; it is used for creating private PLC

networks and securing data frame exchanges between network components

(devices and terminals connected to the PLC network). This is done in the “Security

Configuration” section (see Figure 9.37) by entering the new password of the PLC

network specific to this network. This parameter is the equivalent of the NEK for

HomePlug PLC networks.

Configuring a DS2 Network 209

Figure 9.36 DS2 PLC device network mode configuration

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ZyXEL Communications PLA-470 V2 - V3.0.5 Przewodnik Instalacji Strona 228