104 Network Guide
LAN through an Allure EC-Smart-Vue Sensor for a LONWORKS
Network
To provide LAN access for a LONWORKS network, jumpers, or DIP switches on both the con-
troller and Allure EC-Smart-Vue sensor must be enabled.
All L
ONWORKS controllers have Net to Subnet Port Settings jumpers which when enabled will
bring down the L
ONWORKS network to the Allure EC-Smart-Vue sensor (for jumper locations
see Figure 66 and Figure 67).
The image below shows a typical L
ONWORKS network data bus topology with only a few con-
trollers enabled for LAN access at the Allure EC-Smart-Vue sensor.
Figure 65: LONWORKS Network Data Bus Topology
For maximum cable lengths and cable specifications for a LONWORKS network data bus topol-
ogy, refer to
Network Cables on page 55.
The length of the Allure EC-Smart-Vue sensor subnetwork data bus must also comply with the
restrictions shown in Subnetwork Data Bus Length on page 75.
Enabling the Net to Subnet Port Jumper
To connect the main LONWORKS network to the Cat 5e Cable subnetwork data bus, set the
two Net to Subnet Port Settings jumpers inside the ECL series controller to Enable. The fac-
tory-set default is disabled. Refer to the controller's Hardware Installation Guide for how to
identify and set a controller's Net to Subnet Port jumpers.
Recommendation: Only a limited number of controllers on a LONWORKS network
segment should have their Net to Subnet Port Settings jumpers enabled. Enabling
too many Allure EC-Smart-Vue sensors with network access may cause network
communication issues. If there are any network communication problems, refer to
the L
ONWORKS Troubleshooting section on page 60.
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