Installation manual
116 20/10/2004 PS10270JENAA01
Expanding the M6501R IP PBX
Adding an expansion shelf
Textual specification
Add an expansion shelf, providing up to eight additional card slots.
Comments
• The internal battery must be replaced with an external battery if a shelf is added to an
M6501R IP PBX cabinet.
Steps
1 Back up the site configuration.
2 Power off power the system (battery + mains). Remove the front cover of the cabinet.
3 Remove the internal battery retaining screw.
Power off
Power off the system before opening the cabinet.










