Configuring a Chassis as Up or Down
From cpwiki.net

Configuring a Chassis as Up or Down
Syntax
asg_chassis_admin -c <chassis_id> <down|up>
| Parameter | Description |
|---|---|
| chassis_id | ID of one chassis to be modified (1 / 2) |
| up | Chassis state |
Example
# asg_chassis_admin -c 2 down