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This page is being updated from 07th December 2020 till 10th of December 2020. Until then, all information on this page is incorrect or insufficient. |
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Function and purpose
For installation inside of IT racks and cabinets. Sensor controls status of door or window: open, closed.
Safety Instructions
- Regularly check that the IR sensor is not covered with dust.
- Do not expose the IR sensor to direct sunlight.
- Make sure that you do not scratch the IR sensor during installation and operation.
Package includes
The optical access sensor consists of:
- Converter inside of a compact plastic housing
- IR sensor
- Bracket for mounting of both the converter and the IR sensor
- Bolts, screws and nuts
- RJ11 two meter cable
- Sticker
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At installation on doors, windows, etc., the sensor controls the status of the door, window: opened, closed. The sensor consists of two parts: magnet and sensor.
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Connecting the sensor
- Connect IR sensor using RJ9 (4p4c) jack to 4 pin jack of "VT531 / Optical access sensor".
- Connect one end of RJ11 / RJ12 cable to the monitoring unit into any analog ports (A1...A8) and to RJ12 port of "VT531 / Optical access sensor".
- Put a sticker on the door opposite of IR sensor. Min. distance is 10 mm, max. distance is 35 mm.
- Access sensor will appear automatically in a System tree.
Adjusting sensor sensetivity and LED indication
Adjusting sensetivity
Use flat-head screwdriver to adjust the sensor sensetivity.
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It is possible to decrease view distance of the sensor below 10mm, but only if the sticker is bend in a spherical shape. This is because IR sensor uses two beams which require some distance to work properly. |
LED indication
The sensor has red LED sticking out on top of the sensor. By default the sensor is configured to:
- If the door is closed, red light is Off.
- If the door is open, red light is On.
Installation inside a rack or cabinet using a bracket
Mounting bracket
Mounting bracket is supplied with each "VT531 / Optical access sensor".
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| Pic. 2 Bent | Pic. 3 Bent and cut |
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Installation
Bracket steel thickness is 0.8 mm. Below You can find how user can mount "VT531 / Optical access sensor" with such a bracket.
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Bracket is glued to the rack using a sticker. Pliers used for fitting. IR sensor is pointing towards the door. The door is opened in current case.
Cable pinouts
"RJ11/RJ12" to "RJ11/RJ12" cable pinouts:
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RJ9 4p4c to IR sensor cable pinouts:
Technical specifications
VT5321 | |
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| Dimensions | 600×18x18 mm |
| Weight | 106 g |
| Inputs | RJ9 (4p4c) |
| Outputs | RJ11 / RJ12 (6p4c) |
| Operating temperature | Min. -10° C, Max.80° C |
| Operating humidity | Min. 5% - Max. 95% (Non-Condensing) |
| Mounting | Mounting bracket included for installation inside IT racks and cabinets |
| Power consumption | 60mW |
| Max. distance m | 150 m |
| HS Code | 8531 10 300 |
| Components | Manufactured in E.U. |
| Sensor | Optical access sensor, max. view diastance 4cm |
| IR sensor view distance | Min. distance 10mm. Max. distance 30/40mm. |
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