Auerswald COMpact 4000 Operation Manual page 61

– Connecting cable with at least 2.5 mm² conductor cross-section
• Earth wire close to the installation site (potential compensation bar of the house installation
or protective earth conductor)
Warning: Improper handling of the device can cause life-threatening
electric shocks and can damage or destroy the PBX.
• Only a qualified electrician may open the casing and perform installation
Warning: Touching voltage-carrying conductors or telephone connections
can cause life-threatening electric shocks.
• Mount the PBX close of an earth wire (potential compensation bar of the
• Only a fixed installation is allowed for the connection of the earthing
• The PBX contains hazardous voltages, even outside the power supply
• Pull out the PBX's power plug before instructing a qualified electrician to
• If necessary, also disconnect the devices from additional power sources
1. Connect the connecting cable to the potential compensation bar of the house instal-
lation or the protective earth conductor.
2. Insert the connecting cable into the casing and connect it to the earth terminal.
COMpact 4000 - Firmware V6.6A - Installation, Operation and Configuration V03 03/2016
work within an open casing.
house installation or protective earth conductor). Connect the PBX's
earth connection to the earth wire with a connecting line whose
conductor diameter is at least 2.5 mm².
terminal of the PBX to the potential compensation bar of the house instal-
lation or the protective earth conductor. Plug connections are not
allowed.
unit (for instance ringer voltages). Work on active, contact-hazardous
parts is only permitted after creating a voltage-free state. Working close
to active parts is only permitted if these parts are voltage-free or are
protected against direct contact
open the casing to install the extension module, or switch or connect
equipment.
(e. g. UPS).
Installation and Commissioning
Preparation (COMpact 4000)
Connecting the Earthing
61