About SMB Controller
CAUTION:
High leakage currents can occur as a result of connecting to the communication
network. Establish an earth connection before connecting to the communications
network.Disconnect the communication server from the communications network
before carrying out maintenance work.
CAUTION:
Transient overvoltage can occur on the mains and on the communications network.
Protect each line installation leading from the building by using one surge voltage
protector per core at the isolating point (main) distribution frame or entry point into the
building.
Operation on an IT current distribution system:
The communication server can be operated on an IT power distribution system as per EN/IEC
62368-1 with voltages of up to 230 VAC.
Connecting the earthing wire
The communication server's earthing connection is located at the front left on the underside and
can only be connected once the housing cover has been removed. The earthing wire is secured
by a screw, spring washer and serrated lock washer, which are included in the screw set of the
communication server. The serrated lock washer must rest against the metal housing of the
communication server.
Document Version 1.0
61 System Manual for Mitel SMB Controller
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