7. " " - micro USB-port 2.0 is needed for USB camera recording, USB Flash for system logs, and the system restore. Read USB
instructions at " ", " ", " "Connecting USB camera USB camera settings. How to save a video Saving system logs on USB flash drive
, " ".USB upgrade or restore of default settings
8. " " Dip switch
Normal mode: The switch is switched to the left . The switch should be always in this position.
Recovery mode: The switch is switched to the right . Use this option only in case you need to recover manufacturing
settings.
9. - 12V 0.25A (for each output) terminals outputs (electronic relay). Pitch 3.81mm, 3P. Read "OUTPUTS 12V 0.25A"
instructions at " ".Connecting 12V devices to 12V outputs
" " - status indicators for two 12V 0.25A output on the front panel.LEDs: E1, E2
The LED is ON (orange) - the output is ON (the initial state can be configured).
The LED is OFF (orange) - the output is OFF ((the initial state can be configured).
10. " " - Chassis grounding, M4 thread. Enhances the immunity of the equipment against conducted and Chassis grounding
radiated RF disturbances. Please contact a professional electrician before connecting it.
11. " " - A hole for mounting GNSS antenna. Antennas are purchased separately from VT335i and separately from VT740. GNSS
Read more at , and .GPS location GPS Service API
12a. " " - the button restarts the appliance. Hold the button for 2 seconds and then let go, the system will restart.Restart
12b. " " - reset smoke sensors. Read more at .Reset settings Operation of smoke detectors in dusty conditions
12c. " " - reset settings to default factory settings.Factory reset
13. " " - "VT790 / LTE slot modem" can be installed in this slot. Modem slot
Read instructions This modem is ordered separately.
at "VT790 / LTE slot modem", "LAN, GSM, LTE, RADIUS, DNS, SSL, VPN".
14. " " - Digital inputs (Type IN). Pitch 3.5mm, 6P. Read instructions at " ", "DRY CONTACT INPUTS 1...4 Connecting dry contacts
".Dry contacts settings
15. " " - 12V DC 2A alternative power input. Pitch 3.81mm, 2P.DC 12V BACKUP POWER
16. " "- 12V DC 2A main power input.DC 12V POWER
Connection overview diagram