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Installation and Maintenance Guide
Safety
WARNING
This is a class A product. In a domestic environment this product may cause radio
interference in which case the user may be required to take adequate measures. The
above warning is inserted for regulatory reasons. If any customer believes that they have
an interference problem, either because their Nortel Networks product seems to cause
interference or suffers from interference, they should contact their distributor immediately.
The distributor will assist with a remedy for any problems and, if necessary, will have full
support from Nortel Networks.
WARNING!
Only qualified service personnel may install this equipment. The instructions in this
manual are intended for use by qualified service personnel only.
Risk of shock.
Ensure the Business Communications Manager base unit is unplugged from the power
socket and that any telephone or network cables are unplugged before opening the
Business Communications Manager base unit.
Read and follow installation instructions carefully
Only qualified persons should service the system.
The installation and service of this hardware is to be performed only by service personnel
having appropriate training and experience necessary to be aware of hazards to which
they are exposed in performing a task and of measures to minimize the danger to
themselves or other persons.
Electrical shock hazards from the telecommunication network and AC mains are possible
with this equipment. To minimize risk to service personnel and users, the Business
Communications Manager system must be connected to an outlet with a third-wire Earth.
Service personnel must be alert to the possibility of high leakage currents becoming
available on metal system surfaces during power line fault events near network lines.
These leakage currents normally safely flow to Protective Earth via the power cord.
Therefore, it is mandatory that connection to an earthed outlet is performed first and
removed last when cabling to the unit. Specifically, operations requiring the unit to be
powered down must have the network connections (exchange lines) removed first.