Hardware manual

Electra Elite Issue 8
System Hardware Manual 5 - 13
3.3 EXP-U( ) ETU
3.3.1 Description
The EXP-U( ) ETU is the Expansion KSU Controller. This
ETU controls transmission between the CPUB( )-U( )
ETU and the other ETUs installed in the expansion KSU if
it is installed.
3.3.2 Installation
Turn system power off, and install the EXP-U10 ETU in
the CPU slot of the expansion KSU.
Figure 5-9 EXP-U10 ETU