IP500/IP500 V2 Installation Page 58
15-601042 Issue 25i (03 January 2013)IP Office 8.0
2.2.1 IP500 and IP500 V2 Control Units
The ventilation slots on the rear and sides should not be covered or blocked.
2.2.2 External Expansion Modules
The dimensions below are applicable to all IP Office external expansion modules.