ZN
‐
NH21VE
Installation
Manual
2010/2
‐
1
01B.00
13
Alarm
(DO)
connection
Only
the
relay
type
is
supported.
Relay
Rating:
Max
24VAC
500mA
or
12VDC
1A
Caution
!
Do
not
exceed
the
maximum
relay
rating.
Audio
connection
ZN
‐
NH21VE
has
a
mono
audio
input
and
a
mono
audio
output.
As
the
output
power
for
the
audio
is
low,
amplifier
speaker
is
needed.
(Do
not
use
a
headphone
or
earphone
directly
to
the
camera.)
DO
COM
Relay
Type
Device
Internal
+5V
DI
COM
DI
1
COM
+
‐
Relay
Type
Voltage
Type
+
‐
Output
of
Sensor
Output
of
Sensor
Internal
Internal
+
‐
Mic
Ain
Speaker
Aout
Содержание ZN-NH21VE
Страница 1: ......
