Programming instructions

48 Designer’s Guide
Calsense
• Any firewalls or routers between the central computer and the internet must allow outbound
TCP connections via port 12345
Wireless Ethernet (model -WEN)
The Calsense Wireless Ethernet communication option (model -WEN) enables a computer running the
Calsense Command Center software to communicate with an ET2000e controller using an existing
wireless Ethernet (Wi-Fi) network. Figure 23
shows a simple example of how computers can
communicate with a single controller using the -WEN option either wirelessly or connected to an
Ethernet network.
This option includes an external device that supports both IEEE 802.11b and 802.11g wireless networks.
The device can be configured to use a dynamic IP address assigned by a DHCP server or using a manually
entered static IP address. The device accepts incoming TCP/IP connections from the Calsense central
software, allowing a user to remotely monitor and manage their irrigation systems.
For security, the -WEN option supports the following protocols:
• IEEE 802.11i-PSK with AES-CCMP Encryption
•WPA-PSK
•TKIP Encryption
• 128-256 bit Rijndael AES Encryption, NIST AES FIPS-197 CERT#120
• 64/128-bit WEP
Benefits of choosing the Wireless Ethernet communication option include:
• Uses an existing wireless Ethernet network
• Does not require any trenching or wires
• Does not require any additional licensing
Figure 23 - Wireless Ethernet Communication
Calsense
controller
with -WEN
option
Ethernet Network
Wireless
Access Point
Customer supplied and maintained
wireless Ethernet network
Computer with
Calsense Command Center
Computer with
Calsense Command Center