Moxa VPORT 254-M-SC-T Manual do Utilizador descarregar pdf (Página 18)

VPort 254 User’s Manual Getting Started

2-2

Before Getting Started

In what follows, “user” refers to those who can access the video encoder, and “administrator”

refers to the person who knows the root password that allows changes to the Video Encoder’s

configuration, in addition to providing general access. Administrators should read this part of the

manual carefully, especially during installation.

Initial Installation and Configuration

Before installing the VPort 254, check to make sure that all items in the package checklist are in

the box. In addition, you will need access to a notebook computer or PC equipped with an Ethernet

port.

Step 1: Select the power source

The VPort 254 can be powered by a DC power input from 12 to 32 VDC, or an AC power input

from 18 to 30 VAC. Two power inputs are provided for redundancy. Users can check the LED

status located in the front panel to see if the power inputs are connected appropriately. If one of the

power inputs fails, the FAULT LED will light up in red if the power failure alarm is enabled.

NOTE

The VPort 254 series support power input specifications of 12-32 VDC for 12/24 VDC power

input, or 18-30 VAC for 24 VAC power input (note that this is different from Moxa EDS

switch’s 12-45 VDC power input).

Step 2: Connect the VPort 351 to a Network

The VPort 254 has an auto-sensing 10/100 Mbps RJ45 Ethernet port, or 100 Mbps fiber optic port

(multi mode or single mode) for network connectivity. Both the RJ45 port and fiber optic port

have separate LEDs for 10 Mbps and 100 Mbps connections.

Step 3: Connect the VPort 254 to camera and an audio source

The VPort 254 has 4 VIDEO INPUT ports (V1, V2, V3, V4). Use the BNC connector (1.0 Vpp,

75Ω) and coaxial cable to connect video cameras to the VPort to input analog video signals.

The VPort 254 has 1 audio input and 1 audio output. A microphone or an amplifier can be plugged

directly into the AUDIO INPUT port, and a speaker can be plugged into the AUDIO OUTPUT

port.

NOTE

Four LEDs (V1, V2, V3, and V4) are located on the VPort 254’s front panel to indicate the video

signal transmission status for video inputs. Check the LED status to see if the video is working

properly.

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