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is a contact where it is connected with COM in the normal state and is separated from it when an
alarm is off.
7. ALARM IN (16CH: 1~16, 8CH: 1~8)
- ALARM IN makes it possible to connect up to 16 sensors (8CH DVR has 8 sensors), two types
of sensors (NO and NC), select modes in Menu and establish a relationship of connect input
channels.
8. RS-232
-RS-232 SERIAL TYPE: This can use RS-232 SERIAL communications to control the outer
controller.
9. RS-485
-RS-485 SERIAL TYPE: This can use RS-485 SERIAL communications to control the outer
controller.
10. AUDIO Input (16CH: 1~16, 8CH: 1~8), AUDIO Output 1EA
- INPUT (16CH: 1~16, 8CH: 1~8) and one OUTPUT is provided through an extension port
11. E-SATA
- E-SATA connector for outer HDD expansion is provided.