Install PBX
Installation Warnings
To avoid unexpected accident, personal injury, or device damage, read the safety dis-
claimers and installation warnings.
Power Safety
• Use only the power cord provided with the PBX.
• Keep the power off during installation.
• Make sure that the supply voltage matches the specifications indicated on the rear
panel of the device.
• To avoid electric accident, do not open or remove the cover of PBX when it is working
as well as off the power.
• Before cleaning the device, cut off the power supply.
Environment
Install the PBX in a location that is clean, free from vibration, electric shock, and tempera-
ture/humidity extremes.
The operating temperature should be kept below 104°F (40°C).
Package Contents
Before you begin to install the PBX, check the package contents. If there are any problems,
contact your provider.
Package Contents of P550
• 1* Yeastar P550 Appliance
• 1* Power Cord
• 1* Ethernet Cable
• 2* Rack Mounting Kits
• 1* Grounding Stud & Nut
• 4* Rubber Feet
• 1* Warranty Card
• 1* Quick Installation Guide
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