Vutlan VT825G — 1U Data Center Monitoring Unit

Key features

• 8 × RJ12 analog sensor ports (A1–A8) — sensor type auto-sensing.
• 1 × CAN bus port — up to 32 devices per chain (24 recommended); +8 analog ports with VT408, +32/64 dry contacts with VT440.
• 16 dry-contact inputs, 2 × NC/NO/COM latching power relays (240V 10A) and 2 × 12V 0.25A electronic relay outputs.
• Capacity: 130 physical sensors (sensors + dry contacts + relays), 1000 elements (sensors, notifications, triggers, timers, logic, SNMP Get/Trap).
• Built-in temperature sensor (±1 °C) and supply-voltage sensor.
• 720 MHz dual-core CPU, 128 MB RAM, Linux 6.2; 10/100/1000 Mbit LAN.
• Protocols: HTTP/HTTPS (TLS 1.0–1.3), SNMP v1/v2c/v3, Modbus TCP, Modbus RTU (with VT485m), SMTP, FTP, Syslog, RADIUS, DynDNS, OpenVPN, API.
• Notifications: e-mail, SNMP trap, Syslog, FTP log, Web-to-SMS, PUSH; SMS with the VT7670 modem.
• Virtual elements: PING, SNMP GET, timer, trigger, logic scheme, virtual math; 4 IP cameras (MJPEG) + 1 USB camera.
• Extension slots: VT7670 4G LTE modem (SMS + LAN backup), VT485m Modbus RTU or VT485r OSDPv2 reader, VT-ACCU rechargeable or VT-BAT 9V backup battery.
• Power: 3 equivalent power lines (AC / AC / 12V DC) with instant switchover, 4th line backup battery. Order options: VT825G (1 × AC), VT825Gt (2 × AC, A/B), VT825GDC (AC + 24–48V DC), VT825DC, VT825DCDC.
• MicroSD (≤512 GB) and USB flash logging; 1 s sample rate.
• 19" 1U sheet-metal chassis, 440 × 44 × 90 mm, 1.5 kg; rack brackets included.
• Operating: −10…+70 °C, 0–90% RH non-condensing; power consumption 1–10 W.
• Manufacturer: Vutlan s.r.o., based in Bratislava (Slovakia); 3-year appliance warranty.
• Promark: site survey, sensor placement plan, installation, commissioning and SNMP / OSFM / Zabbix integration.

Typical applications

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