32

About Connectors

You can use emergency recording and auto adjustment time functions when alarm equipment like a buzzer or indicator which is mounted
externally.
Create the connector by referring to the pin assignments.
The pin assignments are different for other Network Disk Recorders. Connect using the following chart.

Using the Alarm/Control connector

Pin Assignments

14
25
13 1
ALARM/CONTROL
Pin
Number Name Description of Operation Remarks
1 Alarm input 8Event action will be performed according to the
settings.
Non-voltage make contact input 5V
pull-up 150 kΩ
2 Alarm input 9
3 Alarm input 10
4 Alarm input 11
5 Alarm input 12
6 Alarm input 13
7 Alarm input 14
8Alarm input 15
9 Alarm input 16
10 Network error output Signal output upon detection of a broken Ethernet
link.
Signal output upon DHCP IP address expiration.
Open collector output 24 V DC max.,
100 mA
11 Alarm reset input Canceling the alarm display Non-voltage make contact input 5V
pull-up 150 kΩ
12 Emergency recording input Starting emergency recording signal input
13 Signal ground
14 Signal ground
15 Available disk space
warning output
Signal output for available disk space warning of
the recording/copy area
Open collector output 24 V DC max.,
100 mA
16 HDD error output Signal output upon detection of a HDD error
17 Camera error output Signal output upon detection of a camera error
18Error output Signal output upon detection of a unit error
19 Power outage recovery
completion output
Signal output upon completion of outage
processing
High (+5 V - +12 V, 6.3 mA max.)
20 Time adjustment input/
output
The time of this unit is adjusted to the preset time
according to the signal input. This signal output is
then generated for the setting time of this unit.
Time of all other units is adjusted to the setting
time of this unit.
52 kΩ 5 V pull-up, Output current –100
mA/Non-voltage make contact input
21 Alarm output Alarm signal output at an event occurrence Open collector output 24 V DC max.,
100 mA
ND400_Basic.book 32 ページ 2008年7月10日 木曜日 午前10時50分