Maxtor 4W040H3 Información técnica descargar pdf (Pagina 10)

2.3 Terminal Block

987 65432 1

1. ALM IN: (INPUT)

This is an alarm input, which can be programmed in the menu system to Normally Open or Normally

Closed. (Active low, 5V)

2. GND:

Ground Contact.

3. ALM RST: (INPUT)

This terminal connects to an alarm-clear device for clearing the alarm. (Active low, 5V)

4. REC: (INPUT)

This terminal connects an external switch to turn the recording function of the DVR on/off. (Active low,

5V)

5. GND:

Ground Contact.

6. FULL: (OUTPUT)

This terminal sends out the full-disk signal. (Active low, 5V)

7. ALM OUT: (OUTPUT)

This is an alarm output relay. Connect this to an external device like buzzers or lights. (Active low, 5V)

8. GND:

Ground Contact.

9. SW OUT: (OUTPUT)

This terminal, sending out the timing signal (falling/negative) to a multiplexer, connects to a

multiplexer’s trigger terminal so that the multiplexer can switch to use the same recording speed as the

DVR.

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Maxtor 4W040H3 Información técnica Pagina 10