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Example: Single IP LAN with daisy-chained RS232

Supported display connection congurations

RS-232C

OUT

LAN

RS-232C IN, OUT, and LAN

In this example, the host PC is connected to the rst display via LAN. Subsequent displays are connected together using

RS232 daisy-chaining. Each display on a daisy-chain must have a unique MONITOR ID.

Important: The rst display is congured to use LAN as the EXTERNAL CONTROL on the OSD. The other displays are

congured to use RS232 as the EXTERNAL CONTROL on the OSD. The RS232 OUT on the rst display is connected to the

RS232 IN on the next display.

Since communications to all of the displays is routed through the rst display, the software uses only the IP address of

the rst display. The rst display then translates commands received via LAN to the RS232 OUT to be received by the

other displays in the daisy-chain.

LAN

RS232 OUT

RS232 IN

RS232 OUT

RS232 IN

RS232 OUT

RS232 IN

ID 1

LAN

IP 192.168.0.1

Display 1

ID 2

RS232

Display 2

ID 3

RS232

Display 3

ID 4

RS232

Display 4

IP 192.168.0.200

LAN

Notice that all of the displays are accessed via the LAN IP address of the rst display, even though displays 2, 3, and 4

are connected together via RS232.

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NEC PD Comms Tool Betriebsanweisung Seite 55