Installation and Maintenance Manual - Aastra 5000 AMT/PTD/PBX/0058/4/6/EN
Description et caractéristiques d’un PBX 01/2011 Page 55
3.1.2 General description of AXL iPBXs
An Aastra XL (AXL) iPBX comprises one main cabinet and possibly one (A2XL version)
or two (A3XL version) expansion cabinets.
The main cabinet and expansion cabinets are in the form of a 19" metal cabinet, 7 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 be placed on the
floor or on a piece of furniture.
The cabinets can be stacked, but not installed next to each other to prevent blocking the
air inlets located on the left hand side.
The main cabinet and expansion cabinets have a common structure:
• On the right-hand side a slot for the power supply module
• A slot, in the upper part of the cabinet, reserved for the main card
• 2 rows of 7 slots (i.e. 14 slots) reserved for plug-in expansion cards along the guides
on the sides of the cabinet (RJ45 format)
• RJ cards are locked on the front panel of the cabinet, blanking plates must be fitted in
unused slots.
• Air inlets/outlets for ventilating the elements in the cabinet are available on:
- the left-hand side: fresh air inlet
- rear panel: hot air outlet.
The external cables are connected on the front panel of the subassemblies which can be
inserted in the cabinet (main card, expansion cards, optional battery). The expansion
cabinets are connected at the back of the cabinet.
The list of subassemblies which can be inserted into the main cabinet and expansion
cabinets is provided in Section3.4.
The main cabinet and expansion cabinets include, in addition to the slots for removable
subassemblies, a backplane card integrating the connectors required for the main card, or
the RUCV card for an expansion cabinet, and the expansion cards.
Nota : The fans are fitted onto the power supply module.
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