Installation manual

PS10270JENAA01 20/10/2004 95
Fitting the cabinet cover
When all the cards have been installed and wired to the distribution frame, replace the cabinet
cover(s).
Installing backup batteries
• The M6501L IP PBX must be backed up by an external 48 V battery supplied by the
customer.
• The M6501R IP PBX is supplied with an internal battery
installed in the cabinet.
When installing or removing batteries, the installer should always carefully follow the steps
described below.
Fitting an external battery
1 Connect the battery cable on the battery side.
2 Fit the battery in the required location in the battery module.
3 Connect the battery cable to the connector provided. This connector is located on the side of
the power supply module.
Note: Check the + and - polarities.
Removing an external battery
1 Put the battery out of service:
press the red switch on the battery on/off circuit breaker on the left side of the power supply
module.
2 Remove the battery cable from the power supply module.
3 Remove the battery from its module.
Note: The battery manufacturer's recommended preventive maintenance must be performed
at regular intervals and the results recorded in the Programming record.
Connecting the internal battery
• Connect the battery cable to the connector provided. This connector is located on the left side
of the power supply module, outside the cabinet.
Fire and electric shock
Before replacing the cabinet cover, check that you have not left any metal objects such as
tools, screws, or clips inside.