Parking Expansion Module (Pem); Pems Attached To A Base Module - Oracle StorageTek SL3000 Manual

robotics feature (see
defective robot, allowing a service representative to access the disabled robot while the
library remains online.
AEM Configuration Options
Must be placed on the ends of the library. An AEM cannot be installed directly to
■
the left of the Base module; there must be a module in between.
A single AEM supports bulk load capabilities only. You should install a single
■
AEM on the left for an additional 104 storage slots (see
Capacity"
Dual AEMs support bulk load and redundant robotics support.
■

Parking Expansion Module (PEM)

The PEM is a converted CEM used to "park" a defective robot without blocking access
for the operational robot in a redundant robotics configuration (see
page 1-7). Performing maintenance on a disabled robot in a PEM is disruptive to
library operations.
The parking space causes six columns of cartridge arrays in the PEM to become
inaccessible (three on the front wall and three on the rear wall). You do not need to
remove the inaccessible arrays. The module can be restored to a CEM at anytime.
PEM Configuration Options
230 to 312 cartridge capacity (see
■
Only the left PEM can have an optional CAP.
■
Must be installed on each end of the library.
■
Figure 1–4 PEMs attached to a Base Module
Figure Legend:
"Robotics" on page 1-7). A sliding safety door sections off a
AEMs and PEMs cannot be installed in the same library.
Note:
on page 1-17).
"Calculating Physical
"Calculating Physical Capacity"
Library Modules
"Robotics" on
on page 1-17).
Library Overview 1-5