User`s guide

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2: Using the L1 and L2 Controllers
To enter console mode from L2 mode, press Ctrl+D at the L2 prompt and observe the
response, as follows:
L2> Ctrl+D
entering console mode 002c01 console, <CTRL_T> to escape to L2
.
<system output appears here>
.
To return to L2 mode from console mode, press Ctrl+T, as follows:
Ctrl+T
escaping to L2 system controller
L2>
At this point, you can enter any L2 or L1 command. When the command completes, the
L2 returns to console mode, as follows:
Re-entering console mode 002c01 console, <CTRL_T> to escape to L2
To permanently engage the L2 mode, press Ctrl+T and then type the l2 command, as
follows:
Ctrl+T
escaping to L2 system controller
L2> l2
L2 command processor engaged, <CTRL_D> for console mode.
L2>
Console Selection
The L2 system controller detects the system console based on two things - the last brick
and node/subchannel to produce output and the brick with the lowest rack and slot
number.