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Connect TV monitor to this BNC connector for call monitor display.
9.
CALL-AUX Connectors (CALL-AUX IN/OUT)
Used to daisy-chain to TV monitor. CALL-AUX OUT has the same output
as CALL OUT, but can be switched off through RS-485 keyboard control.
10.
RS-232 Connector
Connect this connector to PTZ camera(s), GPS modem, or POS system.
11.
NTSC/PAL Selector Switch
Set this unit to NTSC or PAL according to the local TV system.
12.
Ethernet Connector
Connect this unit to a 10/100Base-T Ethernet network through this port.
13.
Alarm Input Connectors (ALARM IN 1-16)
Connect these connectors to external devices such as sensors or door
switches.
14.
Alarm Output Connectors (ALARM OUT 1-4)
Connect these connectors to 2 Normally Closed (NC) alarm outputs (1-2)
and 2 Normally Open (NO) alarm outputs (3-4).
15.
RS-485 Connector
Connect this connector to RS-485 compatible PTZ camera(s) or keyboard.
Please refer to the manuals come with the RS-485 compatible devices for
the correct settings. Please refer to
Appendix C
for the Keyboard Control
Protocol for the digital video recorder.
16.
VGA Connector
Connect VGA monitor to the VGA connector for main monitor display.
17.
HDMI Connector (optional)
Connect HDMI monitor to the HDMI connector for main monitor display.
18.
eSATA Connector
Connect this port to external SATA storage device for HDD extension.
19.
Remote Sensor Connector (optional)
Beside the remote controller sensor on the front panel, the user may
connect an extended remote controller sensor to this connector. Once
this connector is used, the built-in remote controller sensor on the front
panel will have no effect anymore to avoid signal interference.
20.
Cooling Fan
The cooling fan of the internal SPS (Switching Power Supply).