DR HDMI 8K
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DR HDMI 8K / Glossary / IP interrupts
CONTROL

What is IP interrupts?

With interrupts on, the device tells you when something changes. With them off, you have to keep asking.

In plain language

Two ways for a controller to stay informed. Polling: ask for the status every second or so and compare. Interrupts: the device sends a message the moment something changes.

Why it matters in your setup

Polling is simple but wasteful, and it always lags by up to one polling interval. Interrupts are immediate and quiet, so a touch panel updates the instant a source is switched on rather than a second later.

The reason it is not on by default is that unsolicited messages confuse a controller that was not expecting them. Some control systems need it, others break with it — hence the switch.

What the DR HDMI 8K does with it

IP interrupts are off by default on the DR HDMI 8K and can be switched on in the CONFIG section. Turn them on if your control system expects the unit to announce changes; leave them off if it polls.

DR HDMI 8K in one line: it is a 48Gbps HDMI 2.1 EDID manager, emulator and repeater that sits between your source and the rest of the chain, so you can see what is being negotiated and decide what the source is allowed to see — instead of guessing which device is at fault. What it is and what it solves →

Related terms

IP control →Telnet →IP port →HTTP control →embedded web server →

Read more

Manual: CONFIG options →Manual: IP and Telnet control →

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