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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).
11. RS-422/485 Selector Switch
This switch is used to select RS-485 (2-line) or RS-422/485 (4-line).
12. RS-422/485 Connector
Connect this connector to RS-422/485 compatible PTZ camera(s) or keyboard.
The above-mentioned RS-422/485 Selector Switch must be set correctly.
Please refer to the manuals come with the RS-422/485 compatible devices for
the correct settings. Please refer to Appendix D for the Keyboard Control
Protocol for the digital video recorder.
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. Ethernet Connector
Connect this unit to a 10/100Base-T Ethernet network through this port.
16. NTSC/PAL Selector Switch
Set this unit to NTSC or PAL according to the local TV system.
17. USB Connector (USB)
Connect this port to USB 2.0 compatible storage device, such as USB 2.0 disk
drive, DVD+RW, card reader, etc.
18. IEEE 1394 Connector (optional)
Connect this port to external ABox400 Hard Disk Boxes for additional 4 HDDs
each ABox400.
19. Cooling Fan
The cooling fan for the internal SPS(Switching Power Supply).
20. Power Switch (POWER)
Turn the power of this unit on/off.
21. Power Cord Inlet (AC IN)
Connect a power cord to this inlet. It accepts 90~264 VAC, 47~63 Hz power
source.