Digital Loggers

Frequently Asked Questions for Switched Vertical PDUs

Last Updated 03/28/2016. Download the users guide.
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Frequently Asked Questions


How do I set up network access from Windows?
How do I set up network access from an Apple Macintosh? - Thanks to John McClintock for these instructions
How do I set up Internet access? -Thanks to Mike G. for these detailed instructions.
What is the current firmware version?
What's the new scripting feature all about?
What's syslog?  How can I keep an event log?
What's the physical size?
What are the voltage and current ratings?
What is the default IP address
How do I reset to defaults
What is the default password?
On initial setup, I can't establish a Ethernet communications from a Windows PC.  Help!
How can I control the switch from my own applications?
Can you develop custom firmware for my application?
Can you develop custom hardware for my application?
What are the current and voltage ratings?
Do you support PowerMan?
Can you explain the auto-ping settings?
What are the CRITICAL and PROTECT functions?
Do you have a C++ programming example?
Do you have a .NET programming example?
Do you have a Java programming example?
Do you have a compiled Windows command line tool or a Perl example?
Do you have a Python programming example?
Where can I find iPhone, iPad, or Android apps for Digital Loggers?

Question: What are the voltage and current ratings?
Answer: Short answer:  15 Amps, 120V.   Details: The internal web server will operate over an input voltage range of 90-240VAC.  The NEMA 15 style plugs and power cord are designed for and have safety ratings for 120VAC operation only.  The total input current is limted to 15A.  A thermal safety overload protector will trip automatically when current exceeding 18A is applied.  The quiescent power consumption is approximately 3 watts.  Maximum power consumption occurs when all circuits are switched on, about 7W.

Question: What is the current version of firmware?
Answer: The current version is  on the update page  Find the revision history here, and firmware update instructions here.

Question: What are the input voltage and current ratings?
Answer: Short answer:  15 Amps, 120V.   Details: The internal web server will operate over an input voltage range of 90-240VAC.  The NEMA 15 style plugs and power cord are designed for and have safety ratings for 120VAC operation only.  The total input current is limted to 15A.  A safety overload protector will trip automatically when current exceeding 20A is applied.  The quiescent power consumption is approximately 3 watts.  Maximum power consumption occurs when all circuits are switched on, about 7W.

Question: What is the default IP address?  How do I reset to defaults?  What is the default password?
Answer: If you have lost the IP address or admin password, follow this procedure to reset to the default IP address of 192.168.0.100:
  • Press and hold the reset button for 2 seconds to reset the network settings, user name and passwords.
The default master login is "admin" and default password is "1234".  This procedure resets the admin login and IP address and lockout, but doesn't affect outlet names and links.

Question: On initial setup, I can't establish a Ethernet communications from a Windows PC.  Help!
Answer: If your default Windows settings won’t access the controller, use a crossover cable and follow these steps to reach the controller’s IP. 
  • Before adding an IP, close network programs and browsers.
  • Go to the Network Settings – Local Area Network or use the keyboard shortcut <Windows-R> - type “ncpa.cpl” and click OK. 
  • Right click on your LAN connection and choose “Properties”
  • Highlight “Internet Protocol” and click the “Properties” button.
  • Make note of the current settings.
  • Select "Use the following IP address".
  • Enter an IP address such as 192.168.0.5.
  • Enter a subnet mask of 255.255.255.0.
  • Delete any gateway entry.
  • Close all windows for the configuration to take effect.
  • Start your Browser and type 192.168.0.100 in the URL field. The index page should be displayed.
  • The default user name is "admin" (lower case) and password is “1234”
  • Set the IP address of the unit to your network, then restore your settings.

Question: Can you explain the auto-ping settings?
Answer: Find a complete description of AutoPing here

Question: How can I control the switch from my own applications?
Answer:  Download the latest User Utility. Your application can use HTTP or serial port communications. There is also a C++ example with source. This program displays the controller name, switch names and switch status via HTTP. You can also toggle the switches on and off.  Also included is PowerMan support for Linux.
Windows users can download a Perl interpreter to run the script version.  This script (ver 4.0) is compatible with all DLI power controllers.

Question: Can you develop custom firmware for my application?
Answer: Gladly.  We've done this for many customers.  Our programming rate is $75/hour.  After we agree on a -very specific- project description, we can send you an estimate of the time involved to code, debug and test.   

Question: Can you develop custom hardware for my application?
Answer: Gladly.  We've done this for many customers.   Please call with your requirements

Question: What are the output current and voltage ratings?
Answer: Plugs and receptacles are rated 15A, 120VAC.  Power supply voltage input is 90-240VAC auto sensing.  Total current is limited to 15A by circuit breaker.

Question: Do you support PowerMan?
Answer: Yes, absolutely.  The latest code is added to the tarball.  Download the latest User Utility here.



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© Digital Loggers, Inc. 2005.