Room Alert Network Rack Relay Box/Building Power Monitor
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Relay box to monitor building power in a style to an AVTech Room Alert
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- Creative Commons — Public Domain
Relay box in a style to an AVTech Room Alert that can be mounted on a network/server rack. This is intended to be used as a power monitor for an AVTech Room Alert that triggers when building power is lost. Room Alert devices can be POE powered and most switches have battery backups on them which makes it not very useful to determine if building power is out. Some battery backups are too sensitive to provide meaningful alerts. The Room Alert typically checks the dry contacts/relay every 30 seconds.
Connect the USB C Power to the relay power and signal. Connect the dry contacts to COM and NO (normally open) on the relay. Configure your Room Alert to trigger an alert accordingly.
Parts required:
Scrap wire to connect relay to Room Alert, CAT5e/6 works great
1x Relay AEDIKO 4pcs DC 5V Relay Module - 1 Channel Relay Switch Board with Optocoupler Isolation, High or Low Level Trigger: Amazon.com: Industrial & Scientific
1x USB C Port Amazon.com: DWEII 10PCS Type-C Female Chassis Waterproof 2P Solder Wire Type USB C Pigtail Cable Extension Power Cable USB-C Plug to 2 Pin Bare Wire Open End Connector : Electronics
1x USB C Cable
1x USB Power Brick
Relay mounting
4x m3 x 5mm heat set inserts aliexpress.us/item/3256803396040989.html?spm=a2g0o.order_list.order_list_main.37.7cad1802YiKrDQ&gatewayAdapt=glo2usa&_randl_shipto=US
4x m3 screws 4+mm screws ISO7380 M2 M2.5 M3 M4 M5 M6 Round Black 10.9 Grade Hex Screws Hexagon Screw Cap Socket Button Head Allen Furniture Bolt - AliExpress 13
Lid mounting
4x m2 x 4mm heat set inserts aliexpress.us/item/3256803396040989.html?spm=a2g0o.order_list.order_list_main.22.7cad1802YiKrDQ&gatewayAdapt=glo2usa&_randl_shipto=US
4x m2 x 4+mm screws ISO7380 M2 M2.5 M3 M4 M5 M6 Round Black 10.9 Grade Hex Screws Hexagon Screw Cap Socket Button Head Allen Furniture Bolt - AliExpress 13
Optional attachment to Room Alert
2x m3 x 5mm heat set inserts aliexpress.us/item/3256803396040989.html?spm=a2g0o.order_list.order_list_main.37.7cad1802YiKrDQ&gatewayAdapt=glo2usa&_randl_shipto=US
2x m3 screws 4+mm screws ISO7380 M2 M2.5 M3 M4 M5 M6 Round Black 10.9 Grade Hex Screws Hexagon Screw Cap Socket Button Head Allen Furniture Bolt - AliExpress 13