User’s Manual
6
DCP Input
Alarm Input/Output
NOTE: To make connections on the Alarm Connector Strip, press and hold the button and insert
the wire in the hole below the button. After releasing the button, tug gently on the wire to make
certain it is connected. To disconnect a wire, press and hold the button above the wire and pull
out the wire.
y
1 to 8 (Alarm-In)
:
You can use external devices to signal the DVR to react to events. Mechanical or
electrical switches can be wired to the alarm-in port and
G
(Ground) connectors. The threshold voltage
is 4.3V and should be stable at least 0.5 seconds to be detected. See
Chapter 3
─
Configuration
for
configuring alarm input.
y
NC/NO (Alarm-Out):
The DVR can activate external devices such as buzzers or lights. Connect the
device to the
C
(Common) and
NC
(Normally Closed) or
C
and
NO
(Normally Open) connectors.
NC/NO
is a relay output which sinks 0.5A@125VAC and 1A@30VDC. See
Chapter 3
─
Configuration
for configuring alarm output.
y
ARI (Alarm Reset In):
An external signal to the
Alarm Reset In
can be used to reset the Alarm Out
signal. Mechanical or electrical switches can be wired to the
ARI
(Alarm Reset In) and
G
(Ground)
connectors. The threshold voltage is below 0.3V and should be stable at least 0.5 seconds to be
detected. Connect the wires to the
ARI
(Alarm Reset In) and
G
(Ground) connectors.
y
G (Ground)
: Connect the ground side of the Alarm input and/or alarm output to the G connector.
NOTE: All the connectors marked G are common.
12 VDC Output
The DVR has a 12 VDC output terminal strip. This is enough to power eight cameras and one additional
device such as the DCP.
RS232C Port
NOTE: The DVR is not supplied with a modem cable, and many modems are not supplied with
cables. Make certain you have the correct cable when purchasing the modem.
Use the enclosed bracket to mount the DCP (Driver Control Panel). Refer to the
DCP
Installation
section in this chapter for details.
An RS232 port is provided to connect an external modem for remote monitoring,
configuration and software upgrades, and to connect a remote control keyboard. Use a
modem cable with a DB-9S (female) connector to connect to the DVR. See
Chapter 3
─
Configuration
for configuring the modem.
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