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Function and purpose
“VT825t / Data Center Remote Monitoring System” is used for environmental monitoring (e.g. temperature, humidity, voltage, leakage, smoke, airflow). It is also used as an I/O controller (e.g. door control, fans, generator, control panels, UPS, circuit breakers, and alarms). Can use up to 1000 different elements - notifications, triggers, timers, logic schemes, sensors, dry contacts. Has a built-in Web interface with virtual sensors, logic schemes, different types of notifications, and control panels. Has a slot for an LTE modem for an ethernet connection reservation.
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Virtual sensors include PING, timers, triggers, Logic schemes, SNMP GET, x4 IP cameras, Virtual math elements, and others.
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Order options / Dimensions
System | Description |
|---|---|
VT825t | x1 230V AC power inlet. |
VT825tt | x2 230V AC power inlets, providing a redundant power supply for A&B power distribution. |
VT825tDC | x1 230V AC power inlet and x1 24-48V DC power inputs. |
VT825DC | x1 24-48V DC power input. |
VT825DCDC | x2 24-48V DC power input. |
System | Diagram |
|---|---|
VT825t | .png?version=2&modificationDate=1701078315918&cacheVersion=1&api=v2&width=624) |
VT825tt | .png?version=1&modificationDate=1701078315917&cacheVersion=1&api=v2&width=624) |
VT825tDC | .png?version=1&modificationDate=1701078315880&cacheVersion=1&api=v2&width=624) |
VT825DC | .png?version=1&modificationDate=1701078315581&cacheVersion=1&api=v2&width=624) |
VT825DCDC | .png?version=1&modificationDate=1701078314880&cacheVersion=1&api=v2&width=624) |
Physical Description
Front panel:
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Back panel:
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1. "1U 19-inch brackets" - x2 pcs for mounting brackets into a 1U 19" rack slot.
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25. "MAIN INPUT 24-48V DC" - optional order option for some of the units. Please refer to the section "Order options" in this document.
Connection overview diagram
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Drawing dimensions
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19” 1U installation in a rack-cabinet
1.1 |  | x2 19” brackets should be located in the package together with the system. Use x3 M3 screws to mount the brackets on each side of the unit. |
1.2 |  | |
2 |  | Use x4 captive nuts and x4 M6 Screws to attached the unit to the rack. |
Installing VT485m / RTU modem extension slot
VT825t has a slot for an extension. You can install only one module in this slot. You can install the “VT485m / Modbus RTU modem extension slot” or the “VT485r / OSDPv2 reader extension slot”. Both modules are ordered separately.
.png?version=1&modificationDate=1701078315963&cacheVersion=1&api=v2&width=624)
.png?version=1&modificationDate=1701078315756&cacheVersion=1&api=v2&width=624)
Installing LTE slot modem
VT825t has a slot for “VT740 / LTE slot modem”. The modem is ordered separately.
Extension | Photo |
|---|---|
.png?version=1&modificationDate=1701079210986&cacheVersion=1&api=v2&width=645) .png?version=1&modificationDate=1701079210659&cacheVersion=1&api=v2&width=645) |
Package content VT825t series
| Include Page | ||||
|---|---|---|---|---|
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Technical details
See a comparison table with technical details for each individual Vutlan monitoring unit at:
https://vutlan.atlassian.net/wiki/spaces/DEN/pages/705855489
Frequently asked questions
Problem | Cause | Solution |
|---|---|---|
The unit is not powering up. | The DIP switch is switched to “R” position. | Switch the DIP switch to “N” position (Normal). |
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