6
X21A2E 8+4 Channel DVR
Figure 3-3
Ref
Name
Ref
Name
Ref Name
1
Audio Input (x4)
5
RJ-45 Port (1000 M)
9
Alarm Input/Output
2
Analog Video Input (x8)
6
RS485 Port (A/B)
10
Audio Input (x4)
3
Audio Output
7
USB Port
11
VGA Output
4
HDMI Port
8
DC12V Input
12
On/Off Button
X21A3E 16+8 Channel DVR
Figure 3-4
Ref
Name
Ref
Name
Ref Name
1
Alarm Input/Output
5
USB Port
9
On/Off Button
2
Analog Video Input (x16) 6
RJ-45 Port (1000 M)
10
Audio Input
3
Audio Output
7
RS485 Port (A/B)
11
Audio Input (DB25)
4
HDMI Port
8
DC12V Input
12
VGA Output
