Installation and Maintenance Manual - Aastra 5000 AMT/PTD/PBX/0058/4/6/ENDescription et caractéristiques d’un PBX 01/2011 Page 653.1.5 Physical description of an Aastra XS12 iPBX3.1.5.1 Control keysAn Aastra XS12 (AXS12) iPBX includes a main cabinet, and possibly an expansioncabinet (version A2XS12).The main cabinet and the expansion cabinets are in the form of a 19" metal cabinet, 2 U,in which the subassemblies required for the iPBX to operate are inserted.The cabinets are adapted to 19" racks with the help of brackets. They can also simply beplaced on the floor or on a piece of furniture, or wall-mounted.The cabinets can be stacked or set side by side. In the case of wall-mounting, theexpansion cabinet can only be fitted beside the basic cabinet.The two cabinets present a common structure:• A slot, located at the base of the cabinet, reserved for the main UCV-S card.• An EXT1-S12 card, fitted with:• Extension and T0/S0 interface sockets• RJ45 sockets for the analogue and digital equipment interfaces on the front panel.• 3 slots, located in the upper part of the cabinet, reserved for expansion cards (RJ45format). RJ cards are locked on the front panel of the cabinet, blanking plates must befitted in unused slots.• Air inlets/outlets for ventilating the elements in the cabinet are available on:• left-hand side: fresh air inlet• right-hand side: hot air outlet.• You can add or remove an expansion card from the front panel without opening thecover.• The external cables (for the main card and the expansion cards) are connected on thefront panel of the cabinet. The mains, battery (optional) connection, as well as theconnection to the expansion cabinet are at the back of the cabinet.• The list of subassemblies which can be inserted in the main cabinet and expansioncabinets is provided in Section3.4.
