Alcatel-Lucent 7450 ESS-7 - Page 263

Page 256 7450 ESS OS Basic System Configuration Guide
• Chassis mode A corresponds to iom-20g, chassis mode backwards compatible for iom-
20g-b, iom2-20g, iom3-xp
• Chassis mode B corresponds to iom-20g-b, chassis mode backwards compatible for iom2-
20g, iom3-xp
• Chassis mode D corresponds to iom3-xp
The force keyword forces an upgrade either from mode a to mode b or d with cards provisioned as
iom-20g.
NOTE: The iom-20g is not supported from 5.0R and later but chassis mode A is described for
backwards compatibility purposes.