INFO: Setting up a two-machine configuration for data collection over Ethernet [35544]

This article applies to:

E-Prime 3.0

E-Prime 2.0

Detail

NOTE: We recommend using a wired connection as described in this article when running E-Prime in a two-computer setup even if the two computers support wireless communication. A wired ethernet connection avoids possible timing delays and connection issues that may occur with a wireless connection.

When using other applications simultaneously with E-Prime, a two-machine configuration is usually preferred over a one-machine setup that runs both E-Prime and the other application on the same computer.  Using two computers prevents potential conflicts between E-Run and the other application (see TIMING: Operating System Challenges [22848] and TIMING: Operating System Solutions [22856] for details).

When connecting two computers via Ethernet, we recommend the following:

• Connect the machines on a closed network. This means that both machines are disconnected from the Internet and only connected to each other by a direct ethernet connection, a router, a hub, or a switch.
• Disable the firewall if the machines have issues communicating with each other.  Alternatively, allow a specific application through the firewall, and open the appropriate, unoccupied ports. We recommend doing this if the machines are secure and not connected to the Internet.
• Disable all other network adapters in the Control Panel > Network and Internet > Network Connections section besides the relevant ethernet adapter. If you suspect a network traffic routing issue, PST highly-recommends the use of packet sniffers such as Wireshark (http://www.wireshark.org/) for debugging network communications.
• Ensure the IP Address does not change by setting a static IP Address. Make sure they are on the same subnet (e.g., Machine 1 has IP 10.10.10.42 with 255.255.255.0 subnet mask and Machine 2 has IP 10.10.10.43 with 255.255.255.0 subnet mask).
• Add in a NTP server to your closed network to synchronize the clocks between the two machines.

NOTE: Please contact your institution's IT department for more information on network communication and configurations.

See Also:

INFO: Locate Your IP Address and Ping Another Computer [31363]

INFO: Windows Firewall Permissions with E-Prime [26269]

DEVICE: Socket Device [26069]

DEVICE: How To Send Markers Through a Socket [25288]

TIMING: E-Prime SNTP Realtime Clock [19471]