Table 5 Gvr3552 Back Panel Buttons Explanation - Grandstream Networks GVR3550 User Manual

Table 5 GVR3552 Back Panel Buttons Explanation

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3
4
5
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7
8
9
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12
13
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GVR3550/GVR3552 User Manual
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Buttons
Power Input. Input 12V DC
Reset Button. To reboot device or reset factory.


eSATA Interface. To connect eSATA device
USB Interface. To connect to USB devices like mouse,
keyboard and USB flash drive
VGA Video Output. To output analog video signal,
connecting to a monitor to view record
HDMI. HD audio/video output interface, transmit
uncompressed HD video and multichannel audio data to
display device with HDMI interface
Audio Input. Receiving analog audio signal from
microphone, pickups and other devices
Audio Output. Output analog audio signal to device like
speaker
Network Port. 10M/100M/1000M adaptive Ethernet
interface
Alarm Input Interfaces 1-16.
16 alarm input interfaces receiving binary signals from
external alarm sources like normally-closed alarm and
normally-open alarm.
Alarm Output Interfaces 1-2.
2 set of alarm output interfaces, output alarm signal to
external alarm device, power supply is required for external
alarm device
-- Alarm Grounding.
Grounding.
FAN. For heat dissipation
Explanation
Long press for more than 10 seconds: factory reset
Press when power on: reset when the GVR is
abnormal
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