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1a. "1-WIRE" - Used when “VT10 / 1-Wire module” (extension board ordered separately) is installed inside. Serial A serial communication protocol that uses a single data line plus ground reference between the master (VT825/ Monitoring unit) and 1-Wire slave device.
1b. “1-WIRE STATUS” - If the green light is “ON”, then the 1-Wire module is on. There’s an element inside the monitoring unit’s interface that can be switched “ON” and “OFF”, which activates the 1-Wire bus.
2. "CAN" - digital connector RJ12 for the connection of CAN sensors and CAN extensions on a CAN bus, with auto-sensing.
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4. "GSM ANTENNA" - connector, used when the GSM modem is installed inside of the appliance to connect the GSM antenna. (GSM modem is ordered separately)
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5b. "SIM" - connector with an ejector, used when the modem is installed inside of the appliance.
6a. LEDs: "Relays 1, 2" - indicates power relays relay status.
6b. "DRY CONTACTS 5...12" - Dry contacts terminal (type IN)
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7a. LEDs: "ACT" - indicates appliance status, "E1" - indicates 12V E1 relay status, "E2" - indicates 12V E2 relay status, and "ERROR»" - indicates error and traffic.
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7b. LED: "CAN" - indicates CAN bus stutusstatus.
"CAN" blinks slowly - nothing is connected
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8. "LAN" - Ethernet 10/100 Base-T port, provides an Ethernet connection.
• LEDs - "yellow" (status) and "green" (traffic) shows show the network traffic. The status LED: flashes green when the system starts up, and shows the connection state (constant green light - the connection is established, blinking green - the connection attempt).
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13. "TEMPERATURE SENSOR" - accuracy +/- 1 °C°C.
14. "DRY CONTACTS 1...4" - Dry contacts terminal (type IN)
15. "OUTPUT 12V 0.25A" - 12V 0.25A output electronic relay teminalterminal
16. "
" - External chassis grounding, M4 thread.
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