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ericsson business phone 50 pabx phone stuck on sefttesk ok

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kigonya

IS-IT--Management
May 19, 2022
1
UG
Am working on a ericsson business phone 50 (bp50)
IMG_20220519_091709_kuhyoz.jpg

It powers on but the lights are red
on the phones it display selftest ok
IMG_20220516_082526_dsnldx.jpg


I tried connecting it to bms through the attached serial port
but the connection failed show no such port exists
 
Try to start the CPU only and unplug all other cards from the system.
If the cpu only is not starting change it with another one.
 
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