Ambient Temperature: to avoid overheating, please do not run MyPBX U520 in the place
where the ambient temperature is above 122℉ (50℃).
Ventilation: please make sure that the device has good ventilation around.
Anti-jamming—there may be some sources of interference that might affect the normal
running of MyPBX U520. It’s highly recommended that the device
Should be placed away from high-power radio, radar transmitters and high frequency,
and high-current devices.
Is using independent power junction box and effective anti-grid interference measures
have been taken.
Mechanical load--Please make sure that the device is placed steadily to avoid any accident
that might cause damage. If placed on the desktop, please ensure it is horizontally placed.