Installing IP500/IP500 V2 Page 362
15-601042 Issue 28c (19 August 2013)IP Office 9.0
10.12.7 KLM Module
The maximum number of button module buttons supported, of any type, on a single system is 1024 .
This type of button module can be used with the M7324 phones to provide additional programmable buttons. For IP
Office standard modes, up to 2 modules can be attached to each phone. For IP Office Basic Edition modes only 1 module
can be attached to each phone. Each module requires its own power supply unit.