Error responses

When the IPL T CR48 receives a valid command, it executes the command and sends a response to the host device. If the unit is unable to execute the command because the command contains invalid parameters, it returns an error response to the host.

E10 — Invalid command

E12 — Invalid port number

E13 — Invalid parameter

E14 — Not valid for this configuration

E17 — System timed out

E22 — Busy

E24 — Privilege violation

E25 — Device not present

E26 — Maximum number of connections exceeded

E27 — Invalid event number

E28 — Bad filename/file not found

E31 — Attempt to break port pass-through when not set (A user or software attempted to disable the port redirect feature when it wasn’t already set or active.)

References to errors (at command descriptions on the following pages)

24= Commands that give E24 (privilege violation) if not administrator level

27= Commands that may give E27 (invalid event number)

28= Commands that may give E28 (file not found)

URL Encoding

URL encoding is the method of using ASCII hexadecimal characters to display specific characters in a URL. URL encoding is used for several reasons. On some operating systems, certain characters are unsafe or not available, and others are reserved by the HTML or URL specification. URL encoding is used to ensure compatibility and functionality with most Internet browsers. As a general rule, use the URL hexadecimal encoding method shown in the following tables when these characters appear in your URLs.

The following types of characters do not require encoding in a URL.

Alphanumerics Special characters Reserved characters

0-9 a-z A-Z $ _ _ . + ! * ( ) , ; / ? : @ = &

When used for their reserved purposes, these characters do not require encoding within a URL.

IPL T CR48 • Communication and Control

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Extron electronic IPL T CR48 manual URL Encoding, Error responses

IPL T CR48 specifications

The Extron IPL T CR48 is a cutting-edge technology solution designed for modern audiovisual environments. As a compact, high-performance control processor, it is specifically tailored for managing and automating AV systems in various settings, including classrooms, conference rooms, and other collaborative spaces. The IPL T CR48 seamlessly integrates with a wide range of Extron products and third-party devices, making it a versatile choice for any AV installation.

One of the main features of the IPL T CR48 is its powerful control capabilities. It supports up to 48 programmable control ports, which allow users to manage multiple displays, projectors, and other audiovisual equipment effortlessly. This extensive control range ensures that every device in the AV system is easily operable from a single interface, streamlining the user experience.

In addition to its impressive control capabilities, the IPL T CR48 integrates advanced IPLink technology. This unique feature allows for remote control and monitoring of AV systems over an IP network, offering system administrators the flexibility to manage equipment from virtually anywhere. This capability is particularly valuable in large installations, where managing multiple systems simultaneously can be complex and time-consuming.

The IPL T CR48 also boasts a user-friendly interface, thanks to its compatibility with Extron's GlobalViewer Enterprise software. This robust software provides users with a web-based platform for real-time monitoring and management of their AV systems. It enables users to configure, schedule, and control their AV devices, ensuring a smooth operation throughout all events and presentations.

Moreover, the IPL T CR48 is engineered with enhanced security features, including customizable user access levels, ensuring that only authorized personnel can control sensitive equipment. This aspect is crucial for educational and corporate environments, where security and privacy are paramount.

Compact and reliable, the IPL T CR48 excels in both functionality and performance. Its durable design and advanced technologies make it a preferred choice among AV professionals looking to improve the efficiency of their installations. Overall, the Extron IPL T CR48 represents a significant advancement in control processing technology, providing a comprehensive solution for diverse audiovisual applications today.