Command Line Interface

About the Command Line Interface

You can use the command line interface to view the status of and configure and manage the Rack PDU (and any connected Rack PDUs if using the Network Port Sharing Feature). In addition, the command line interface enables you to create scripts for automated operation. An Administrator has full access to the command line interface, a Device user and Outlet User have limited access, and a Read-Only user is completely restricted.

You can configure all parameters of a Rack PDU (including those for which there are not specific CLI commands) by using the CLI to transfer an INI file to the Rack PDU. The CLI uses XMODEM to perform the transfer. However, you cannot read the current INI file through XMODEM.

Log on to the Command Line Interface

To access the command line interface, you can use either a local (serial) connection or a remote (Telnet or SSH) connection with a computer on the same network as the Rack PDU.

Remote access to the command line interface

You can access the command line interface through Telnet or SSH. Telnet is enabled by default. Enabling SSH disables Telnet.

To enable or disable these access methods, use the Web interface. On the Administration tab, select Network on the top menu bar, and then the access option under Console on the left navigation menu.

Telnet for basic access. Telnet provides the basic security of authentication byuser name and password, but not the high security benifits of encryption.

To use Telnet to access the command line interface:

1.From a computer that has access to the network on which the Rack PDU is installed, at a command prompt, type telnet and the IP address for the Rack PDU (for example, telnet 139.225.6.133, when the Rack PDU uses the default Telnet port of 23), and press ENTER.

If the Rack PDU uses a non-default port number (from 5000 to 32768), you must include a colon or a space, depending on your Telnet cliet, between the IP address (or DNS name) and the port number. (These are commands for general usage. Some clients do not allow you to specify the port as an argument and some types of Linux might want extra commands).

2.Enter the user name and password (by default, apc and apc for an Administrator, or device and apc for a Device User).

If you cannot remember your user name or password, see “Recovering from a Lost Password” on page 8.

SSH for high-security access. If you use the high security of SSL for the Web interface, use SSH for access to the command line interface. SSH encrypts user names, passwords, and transmitted data. The interface, user accounts, and user access rights are the same whether you access the command line interface through SSH or Telnet, but to use SSH, you must first configure SSH and have an SSH client program installed on your computer.

Switched Rack PDU User Guide

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APC AP89XX, AP8941 manual About the Command Line Interface, Log on to the Command Line Interface
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AP89XX, AP8941 specifications

The APC AP8941 and AP89XX series are advanced power distribution units (PDUs) designed to meet the growing demands of modern data centers and IT environments. These PDUs are well-regarded for their reliability, efficiency, and ease of use, making them integral components for effective power management in critical applications.

One of the standout features of the AP8941 is its capability to provide both local and remote management. Equipped with a web interface, users can monitor power usage, track energy consumption, and gain insights into the performance of connected equipment from virtually anywhere. This remote capability is particularly beneficial for administrators managing multiple sites, as it enables efficient troubleshooting and minimizes downtime.

The AP8941 also supports environmental monitoring by integrating with temperature and humidity sensors. This feature ensures that data centers maintain optimal conditions to protect equipment from overheating or humidity-induced failures, thus enhancing the overall reliability of the power infrastructure.

Another significant aspect of the AP8941 is its ability to distribute power efficiently through its various outlet configurations. The flexible plug-and-play design allows users to customize their power distribution setups for diverse applications, accommodating unique configurations and equipment requirements.

Security is paramount in today’s IT landscape, and the AP89XX series addresses this concern through advanced security features. The units include user authentication and role-based access control, ensuring that only authorized personnel can access critical power management functionalities.

Additionally, the power visualization tools available with the AP8941 enable users to analyze real-time data, identify potential issues, and optimize their power usage. The sleek design and Mounting options make installation straightforward, whether horizontal or vertical, in standard racks or enclosures.

The series supports a variety of power input options and offers robust overload protection, which is essential for preventing damage to both the PDU and connected devices. The combination of management capabilities, security features, and real-time monitoring tools positions the APC AP8941 and AP89XX series as an excellent choice for IT professionals seeking reliable power management solutions in today's data-heavy environments.

In conclusion, the APC AP8941 and AP89XX offer a comprehensive suite of features that cater to the complex needs of data centers. With their focus on efficiency, security, and management capabilities, these PDUs serve as an essential part of modern IT infrastructure, ensuring operational continuity and power reliability.
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