Yeastar S50 Installation Guide
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STEP 2
Place the PBX in the 19-inch rack and fix both brackets to the rack with the rack
’s
proprietary mounting equipment.
Ground Connection
WARNING
Proper grounding (connection to ground) is very important to reduce the risk to the user of
electrocution or protect the PBX from the bad effects of external noise in the case of a
lightning strike.
A permanent connection between ground and the ground terminal of the PBX must be
made.
STEP 1
Tighten the provided screw stud into the Grounding port on PBX.
STEP 2
Insert an 18AWG grounding wire (user supplied).
STEP 3
Tighten the provided screw nut.
STEP 4
Attach the grounding wire to the grounding terminal.
