Allied Telesis AT-SBx31CFC960 - Manual (Page 24)

Chapter 1: Overview of the Chassis and Power Supplies
24
Ethernet Line and Controller Cards Slots
The chassis has slots for ten Ethernet line cards and two AT-
SBx31CFC960 Controller Fabric Cards. 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 and 6 to 11 are for the Ethernet line cards. The cards may be
installed in any order or variety in the slots.
Slots 4 and 5 are for the AT-SBx31CFC960 Controller Fabric Card, of
which there must be at least one in the chassis. You may add a second
controller to add management redundancy, add four additional SFP+
slots, or increase the available traffic bandwidth of the chassis.
Slot 0 - Line Card
Slot 2 - Line Card
Slot 4 - Controller Card
Slot 6 - Line Card
Slot 8 - Line Card
Slot 10 - Line Card
Slot 1 - Line Card
Slot 3 - Line Card
Slot 5 - Controller Card
Slot 7 - Line Card
Slot 9 - Line Card
Slot 11 - Line Card