Moxa Technologies VPort 351 Guide d'installation télécharger pdf (Page 5)

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First-Time Installation and

Configuration

Before installing the VPort 351 video encoder, check to make sure that all

items in the Package Checklist are in the box. In addition, you will need to use

a notebook or PC equipped with an Ethernet port.

Step 1: Select the Power Source

The VPort 351 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 on the front panel to see if

the power inputs are connected appropriately. If one of the power inputs fails,

the FAULT LED will illuminate in red.

NOTE

The VPort 351 has 2 power inputs for redundancy. Each power

input supports 12 to 32 VDC for a 12/24 VDC power input, or 18

to 30 VAC for a 24 VAC power input. This differs from MOXA’s

EDS switches, which support a 12 to 45 VDC power input.

Step 2: Connect the VPort 351 to the Network

The VPort 351 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 connection activity.

Step 3: Connect the VPort 351 to a camera and an audio source

The VPort 351 has a VIDEO INPUT port and a loop-through VIDEO

OUTPUT port with a 75Ω resistance dip switch. Users should use the BNC

connector and coaxial cable to connect the video camera to the VPort to input

analog video signals, and connect the monitor or DVR with the VPort to output

analog signals (note that the 75Ω resistance should be turned to off when the

video output is enabled).

The VPort 351 has 1 audio input and 1 audio output. A microphone or an

amplifier can be plugged directly into the AUDIO INPUT port; a speaker can

be plugged into the AUDIO OUTPUT port.

NOTE

A VIDEO LED is located on the front panel to indicate the video

signal transmission status for the video input. Users can check the

LED status to see if the video is working properly.

Step 4: Connecting the VPort 351 to a motorized PTZ camera/device

If you are using a PTZ camera or device, you need to connect the PTZ control

cable to the VPort 351’s PTZ port. The PTZ port is a 5-pin terminal block for

RS-232/422/485 serial connection. The pin assignments are shown below.

PIN RS-422/485 RS-232

1 GND

Ground

GND

Ground

2 R-

Rx-

---

N/A

3 R+

Rx+

RxD

4 T-\D-

Tx-/ Data-

---

N/A

5 T+\D+

Tx+/ Data+

TxD

To enable PTZ control, configure the PTZ control protocol in the web-based

manager.

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Moxa Technologies VPort 351 Guide d'installation Page 5

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