Allied Telesis AT-SBx81CFC960 - Manual (Page 220)

Chapter 11: Troubleshooting
220 Section II: Installing the Chassis
 Use the SHOW CARD command to display card status
information, as shown in Figure 152 on page 214.
If the problem is with an AT-SBx81XS16 Line Card, verify that the chassis
has the AT-SBx81CFC960 Controller Fabric Card. The AT-SBx81XS16
Line Card is not compatible with the AT-SBx81CFC400 Controller Fabric
Card.