
DVR User’s Manual
10
Video Input
A group of BNC connectors is offered for video input streams from installed
cameras. The number of connectors is equal to the number of channels.
Video Out
Plenty of BNC connectors are positioned on the rear panel for looping out the
video input.
Main Audio Out
The DVR provides a main audio out connectors for
connection to an audio output devices, such as an
amplified speaker.
Audio In
A terminal block titled “AUDIO IN” provides
connections to audio source devices of all
channels for the purposes of audio recording and
two-way audio talk function as well. Refer to Setup
Guide for detailed pin definitions.
Alarm I/O & RS485
The unit provides alarm I/O and RS-485 ports that
offer users the flexibility required to connect the
unit to the other device. The definition for pins
varies when the DVRs have different channels.
Refer to Setup Guide for detailed pin definitions.
NAS (Reserved)
The NAS connector allows users to connect a
Network Attached Storage (NAS) device to expend
HDD capacity of the DVR.
LAN 10/100/1000M (RJ-45)
The DVR is capable of networking and it allows the
videos to be viewed over the LAN network or the
Internet by using the Internet Explorer.
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