Version 6.6 39 October 2014
Installation & Operation Manual 4. The Chassis
4 The Chassis
The Mediant 8000 chassis has a 12U form factor and features 19 slots, occupied by
System Controller boards, Ethernet Switch boards, Media Gateway boards and
corresponding Rear Transition Modules.
The boards are inserted from the front and the back and engage the mid-plane on
either side inside the chassis.
Board slots are numbered from one to nineteen on the top of the card cage in the front
of the chassis and on the bottom of the card cage in the back, for identifying board
placement. The mid-plane contains slot keys to match the appropriate board; there are
separate slot keys for the ES, SC and TP boards. This prevents insertion of a board in
an incorrect slot.
The Mediant 8000 chassis is divided into three basic sections:
The upper section holds the Fan Tray units and Alarm LEDs
The middle section is the card cage with 21 slots which holds the SC, ES and TP
boards
The lower section houses two PEMs, three power supply modules and the air
filter
Figure 4-1: Midplane in Chassis