AT-x950-28XSQ Switch and VCStack Installation Guide
55
attach cables. Refer to Figure 29.
Figure 29. Invalid Trunk with Both Fiber Optic and Direct Attach Cables
You cannot use a 10Gbps breakout cable for a trunk. Refer to
Figure 30.
Figure 30. Invalid Trunk with a 10Gbps Breakout Cable
Optional XEM2
Line Cards
You can also build a stack trunk using the transceiver slots or ports on
XEM2 Line Cards in the expansion slots of switches. Here are the
guidelines:
The maximum number of links in a stack trunk varies by line card.
Refer to Table 15. For example, a stack trunk using AT-XEM2-
12XT or AT-XEM2-12XS Line Cards can have up to eight ports.
Fiber Optic Cable
Direct Attach
Cable
Breakout Cable
Table 15. Maximum Number of Trunk Ports Per Switch on XEM2 Line
Cards
AT-XEM2 Line Card
Maximum Number of Trunk
Ports Per Switch
AT-XEM2-12XT
1
8
AT-XEM2-12XS
2
8
AT-XEM2-4QS
4
AT-XEM2-1CQ
1
Summary of Contents for AT-x950-28XSQ
Page 8: ...Contents 8 ...
Page 12: ...Tables 12 ...
Page 16: ...Preface 16 ...
Page 62: ...Chapter 2 Virtual Chassis Stacking 62 ...
Page 80: ...Chapter 3 Beginning the Installation 80 ...
Page 90: ...Chapter 4 Installing Power Supplies and Optional XEM2 Line Card 90 ...
Page 102: ...Chapter 6 Installing the Switch in an Equipment Rack 102 ...
Page 118: ...Chapter 7 Installing the Switch on a Wall 118 ...
Page 146: ...Chapter 8 Configuring Switches for Stacking 146 ...
Page 158: ...Chapter 9 Cabling the Networking Ports 158 ...
Page 180: ...Chapter 11 Troubleshooting 180 ...