Gateway Placement
Gateways allow wireless devices (fixtures, sensors, meters, etc) to communicate through the internet with the SiteWorx cloud.
Physical / Network
Gateways are connected to the internet using a home-run (non-daisy chained) CAT6 cable connected to the facility IT infrastructure. They are standard (Type 1, 802.3af) power-over-ethernet devices.
CAT6 runs should not exceed the standard maximum 100m (328ft) run length.
Wireless
Gateways communicate wirelessly with SiteWorx devices. Devices connected to a particular gateway (except battery-powered devices) create a wireless mesh network that can extend the signal for a great distance, so the maximum wireless range is not explicitly defined. Generally, co-location of the gateway with devices and line-of-sight between devices is enough to ensure connectivity.
Gateways support two types of wireless connections: the SiteWorx Wireless Mesh and Zigbee 3.0. Both are based on the IEEE 802.15.4 wireless standard.
The two network types (SiteWorx Mesh / Zigbee 3.0) can coexist, but cannot be mixed together - Zigbee devices must use their own gateway.
Gateway Placement
- Gateways should be installed in the ceiling, near the center of the devices they will control
- Minimum of 1 gateway per room
- Gateways cannot communicate through walls, except for thin non-solid walls and drop ceilings in office spaces
- Maximum of 50 devices per gateway
- The SCN-CLM device counts as only 1/2 device for gateway loading purposes (1 gateway can support 100 SCN-CLM)
- Battery-powered devices should share a heavy mesh network to ensure reliable connectivity
- Gateways should not be placed within 10 feet of another wireless-broadcasting device (eg. network access point)
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