Xem2 Line Cards; Figure 26: Example Trunk Using At-Xem2-12Xt Line Cards; Table 21: Maximum Number Of Trunk Ports Per Xem2 Line Card - Allied Telesis AlliedWare Plus x950 Series Installation Manual

XEM2 Line
Here are the guidelines to using ports on XEM2 Line Cards in the
expansion slots for trunks:
Cards
AT-XEM2-12XT
AT-XEM2-12XTm
AT-XEM2-12XS
AT-XEM2-4QS
AT-XEM2-1CQ
 Stacks can have up to four switches.
 Stacks can have both AT-x950-28XSQ and AT-x950-28XTQm
Switches.

The maximum number of links in the trunk varies by line card.
Refer to Table 21 on page 63. For example, a trunk using AT-
XEM2-12XT or AT-XEM2-12XS Line Cards can have up to eight
ports per card.
Table 21. Maximum Number of Trunk Ports Per XEM2 Line Card
AT-XEM2 Line Card
1
1. Allied Telesis does not recommend using the AT-XEM2-1CQ Line Card for a
stack trunk.

Ports on AT-XEM2-12XT, AT-XEM2-12XTm, or AT-XEM2-12XS
Line Cards have to operate at 10Gbps to be trunk ports.
 Figure 26 is an example of a stack of two switches with a trunk of
six 10Gbps links on AT-XEM2-12XT Line Cards.
Figure 26. Example Trunk Using AT-XEM2-12XT Line Cards
x950 Series Installation Guide for VCStack
Maximum Number of Trunk
Ports Per Card
8
8
8
4
1
63