Allied Telesis AT-SBx31CFC960 - Manual (Page 24)

Chapter 1: Overview of the Chassis and Power Supplies
24
Slots for the Ethernet Line and Controller Cards
The chassis has slots for four Ethernet line cards and two controller cards
or five Ethernet line cards and one controller card. The functions of the
slots, which are numbered starting with 0, are predefined and may not be
changed. Figure 7 identifies the slots.
Figure 7. Slots for the Ethernet Line and Controller Cards
Slots 0 to 3 are for the Ethernet line cards. The cards may be installed in
any order or variety in the slots.
Slots 4 is for the AT-SBx31CFC960 Controller Fabric Card. The chassis
must have at least one controller card.
Slot 5 may be used with either an Ethernet line card or a second controller
card. A second controller card adds management redundancy and
increases the traffic bandwidth of the chassis.
Slot 0 - Line Card
Slot 2 - Line Card
Slot 4 - Control Card
Slot 1 - Line Card
Slot 3 - Line Card
Slot 5 - Control or
Line Card