View Full Version : Second IP port on Jace 6
05-20-2008, 10:50 AM
Has anyone used the second IP port on a Jace 600 (or Jace 200 for that matter)?
Can it be used to hook up a Ethernet based Display (BACnet or LON or even a Explorer Display) or maybe the new Viconics Wireless T-Stat ethernet Gateways? The second device does not need to be on the main network since it will only talk to the connected Jace.
I want to be able to hook into an ethernet device on the second port while using the first port on the network to talk to the workstation.
05-20-2008, 11:58 AM
I've been using them but not for much. I've been setting them all up on my jobs with a static IP address so I can go right to the jace and plug my laptop in with out bothering with the network so I have a back door. You can use them but I've only used them for workbench.
from this FAQ here: http://www.niagara-central.com/ord?portal:/dev/wiki/Niagara_Ax_Best_Practices_FAQ
What can the second Ethernet port on the JACE-2 and JACE-6 be used for?
Currently the only drivers that can be configured to use the second Ethernet port are Bacnet, ModbusTCP and EibIp.
The JACE does not act as an Ethernet router or switch, meaning it does not allow TCP/IP traffic to pass from one port to the other.
The second Ethernet port can be used to isolate a BACnet Ethernet or IP network from the primary LAN. All BACnet devices would be connected on the network segment that was connected to the secondary Ethernet port on the JACE. BACnet points that are proxied in the station could then be viewed or commanded through graphics that are served up by the webService via the primary Ethernet port.
The Niagara Network and the webService will be available on both network interfaces. With BACnet, you select which network interface to use on the link settings of the IP-port and/or Ethernet-port object under the BACnet network. With Modbus TCP the IP layer decides which network interface to use based on the IP address assigned to the Modbus TCP Device Object.
The second port must be on a different subnet. The second subnet cannot also have a default gateway - so you will be limited to one subnet on the second network interface
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