LT Security LTD6299 - Manual (Page 12)

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11. RS-422/485 Selector Switch
Used to select RS-422/485 3-line or 2-line.
12. RS-422/485 Connector
Connect this connector to RS-422/485 compatible PTZ camera(s) or keyboard. Please
set the Selector Switch correctly. Please refer to the manuals that 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. Cooling Fan
The cooling fan of the internal SPS (Switching Power Supply).
19. Power Cord Inlet (AC IN)
Connect a power cord to this inlet. It accepts 90~264 VAC, 47~63 Hz power source.
20. VGA Connector (optional)
Connect VGA monitor to the VGA connector for main monitor display.