Extron electronics IPL T CR48 User Manual page 21

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If the reset button is continuously held down, every 3
seconds the LED will pulse (blink) and put the unit in a
different mode, corresponding to the underscored notes
in Modes 3 through 5. The Mode 5 LED blinks three
times, the third blink indicating that it's the last mode.
The following modes are listed as separate functions, not
a continuation from Mode 1 to Mode 5.
Mode 1 — Holding the Reset button while applying power
defaults the unit back to the base firmware that shipped
with the unit from the factory. Event scripting does not start
when the unit is powered on in this mode. This allows you
to recover a unit that has incorrect code or updated firmware
running. All user files and settings are maintained. User Web
pages may not work correctly if using an earlier firmware
version.
Mode 2 — Not applicable.
Mode 3 — Holding the Reset button until the Power LED blinks
once (3 seconds) followed by a momentary
(<1 second) press will turn events either on or off, depending
on the current state of the events:
If the events are currently stopped following the momentary
(<1 second) press, the Power LED will flash twice indicating
the starting of events.
or
If events are currently running following the momentary (<1
second) press, the Power LED will flash three times indicating
the stopping of events.
Each flash will last for .25 seconds. Nothing happens if the
momentary press does not occur within 1 second.
Mode 4 — Holding the Reset button until the Power LED blinks
twice (6 seconds) followed by a momentary (<1 second) press
resets IP settings. The Power LED will blink four times in
quick succession, confirming a Mode 4 reset. This mode
1. Enables ARP program capability
2. Sets IP back to factory IP
3. Sets Subnet back to factory default
4. Sets Gateway back to factory default
5. Sets port mapping back to factory default
6. Turns DHCP off
7. Turns events off
IPL T CR48 • Installation and Operation
The listed reset modes (with the exception of Mode
2) will close all open IP and Telnet connections and
close all sockets.
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