Interlogix NVR 50 User Manual Manual de usuario descargar pdf (Pagina 13)

1BChapter 2: Installation

TruVision NVR 50 User Manual 7

Incorrect:

1. Keypad

2. I/O box

3. See section “RS-485 ports” on page 8

Use an RS-485 signal distributor to increase the maximum number of devices on

the bus as well as the total range. Each distributor output provides another RS-

485 bus, extending the output an additional 1200 m. Up to 31 NVRs can be

connected to each output. See Figure 4 below.

Figure 4: Expanding the system with an RS-485 signal distributor

1. Keypad

2. I/O box

3. RS-485 distributor

4. See section “RS-485 ports” on page 8

Caution: Most signal distributors are unidirectional. This means that the signal

only flows from the input towards the outputs. Consequently it is not possible to

connect several keypads.

See section “RS-485 ports” below to configure the RS-485 port communication

settings.

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Interlogix NVR 50 User Manual Manual de usuario Pagina 13