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Network Requirements for SNS Sensor Devices
SNS Temperature and Humidity Sensors work on 802.11 b/g wireless networks. Some sensors also
work on wired Ethernet networks. This section describes the requirements for the SNS
Temperature and Humidity Sensors network.
Wireless Signal
Sensor devices must have adequate signal to support wireless operation. Sensor devices will work
in areas where a wireless laptop can connect to the network or where signal to noise level
measures 20 dB or greater. If wireless signal is inadequate, a wireless Access Point may be added
in proximity to improve local signal strength. AC-powered sensor devices can also be connected to
the Ethernet network via the RJ45 connector.
Wireless Security
AC-powered Sensor Devices
AC-powered sensor devices support WEP, WPA, and WPA2 encryption standards with LEAP,
EAP-FAST, and PEAP authentication.
Battery-powered Sensor Devices
Battery-powered sensor devices support WEP - 128, WPA-TKIP, and WPA2-AES encryption
standards.
Network Protocol and Ports
AC-powered Sensor Devices
AC-powered sensors send sensor device data via UDP packets. Ports 1600 and 1640 must be
open on the network for data transmission and configuration.
Battery-powered Sensor Devices
Battery-powered sensors send sensor device data via UDP packets. Port 6767 must be open on
the network. Packets are small (less than 75 bytes).
Primex Wireless, Inc.
SNS™ Temperature and Humidity Sensors Installation Guide
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