6 connecting the sensors, 7 connecting the microphones, 1 bnc connection – KGUARD Security OT1601 User Manual
Page 18: English chapter 2: installation, 18 dvr user’s manual, D+ d, Sensor device (input), Microphone, Bnc cable

ENGLISH
Chapter 2: Installation
18
DVR User’s Manual
2.6 Connecting the Sensors
You can connect sensors up to 16 channels. The connectors are labelled according to channels.
VGA
AUDIO IN (CH5-CH16)
HDMI
LAN
1
2
AUDIO OUT
VIDEO OUT
AUDIO IN
2
4
1
3
MAIN
SPOT
CH8
CH16
CH7
CH15
CH6
CH14
CH5
CH13
CH4
CH12
CH3
CH11
CH2
CH10
CH1
CH9
G
1
2
3
4
5
6
7
8
9
10
11
+
-
NO COM G
16
15
14
13
12
RS-485
D+ D-
KB
OUT
IN
ALARM
12V
G
1
2
3
4
5
6
7
8
9 10 11
+
-
NO COM G 16 15 14 13 12
RS-485
OUT
D
+
D
-
KB
IN
ALARM
Sensor device
(input)
2.7 Connecting the Microphones
The DVR supports up to 16 audio input channels. Microphones can be connected directly via BNC or through parallel
audio input connection.
2.7.1 BNC Connection
Connect the microphone(s) for channels 1 to 4 using direct BNC connection as shown.
Microphone
VGA
AUDIO IN (CH5-CH16)
HDMI
LAN
1
2
AUDIO OUT
VIDEO OUT
AUDIO IN
2
4
1
3
MAIN
SPOT
CH8
CH16
CH7
CH15
CH6
CH14
CH5
CH13
CH4
CH12
CH3
CH11
CH2
CH10
CH1
CH9
G
1
2
3
4
5
6
7
8
9
10
11
+
-
NO COM G
16
15
14
13
12
RS-485
D+ D-
KB
OUT
IN
ALARM
12V
1
3
2
AUDIO IN
4
BNC cable