Promise Vess A2600 Product Manual page 358

Vess A2000 Series NVR Storage Appliance
Alarm Output Connection
The illustration below is used as an example. The example used is an alarm.
• Connect the ALARM_OUT + on the I/O terminal interface to the 3.3V or 5V connection on the
external alarm device (Blue wire in illustration)
• Connect the ALARM_OUT - on the I/O terminal interface to the Input + connection on the
external alarm device (Red wire in illustration)
• Connect the ALARM_GND - on the I/O terminal interface to the Input - connection on the
external alarm device (Black wire in illustration)
See "Alarm Output Connector" on page 348 for pin assignments.
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