AMT/PTD/PBX/0058/4/6/EN Installation and Maintenance Manual - Aastra 5000
Page 46 01/2011 Description et caractéristiques d’un PBX
Figure 3.2 REAR VIEW OF AN AXD CABINET
Fresh air inlet
Hot air outlet
Connector
Battery
4 DB25-F connectors
Connection to the expansion cabinet(s)
Earth connection
