User`s manual

VPort 251 User’s Manual System Configuration
Uploading a PTZ Camera Driver
In addition to the PTZ camera drivers and custom camera functions supported by the VPort 251,
an alternative user-friendly Upload a PTZ Camera Driver function is available for implementing
the PTZ camera control. Moxa will release new PTZ camera drivers to Moxa’s website as they
become available. Administrators can click on Browse to upload the new PTZ camera drivers to
the VPort 251.
Audio
Audio Source
The VPort 251 supports real-time and synchronous video/audio transmission. Administrators need
to select the correct input type of audio source to avoid audio input distortion.
Setting Description Default
Audio Source
For the audio connection, MIC-in
(microphone) and Line-in (voice
amplifier) are included for convenience.
Microphone
Alarm
System Alarm
In addition to the LED indicators, three kinds of system alarm are provided by the VPort 251 for
notifying the system operation administrator.
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