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82 4600 Series IP Telephone Installation Guide
Telephones with displays show the following text, left-justified at the top of the display, for 1
second after self-test is invoked:
For 4602/4602SW/4606/4610SW/4612/4620/4620SW/4624/4625SW IP Telephones, a
block character with all pixels on then displays in all display character locations for 5
seconds. Display of the block character helps to find bad display pixels. For 4630 and
4630SW IP Telephones, all pixels are on, and the display should be solid white for 5
seconds.
All IP telephones except the 4601 display one of the following:
When a 4601 IP Telephone’s self-test passes, all LEDs flash 500 milliseconds on, 500
milliseconds off continuously.
When a 4601 IP Telephone’s self-test fails, all LEDs flutter 50 milliseconds on, 50
milliseconds off continuously.
2. To terminate the self-test, press the # button on the dial pad at any time. Doing so generates
a confirmation tone, and returns the user interface to its previous state.
Self test
#=end
If self-test passes: Self test passed
#=end
If self-test fails: Self test failed
#=end