NEC Univerge sv8500 Manual page 2642

When Mounting the DRU/DAU onto a 19-inch Rack (Optional)
Mount the DRU/DAU onto the 19-inch rack by referring to the following two figures.
The 19-inch rack should be provided by the installer.
Note:
Installation of DRU/DAU When Mounting Four Sets of DRU/DAUs onto a 19-inch Rack
1958 mm
(7'5" inches)
2100 mm
(7'10" inches)
The battery and the BATT BOX ASSEM are locally-provided.
Note:
CHAPTER 2
19-inch Rack (IEC Spec.)
DRU/DAU Mounting M.T.G
BATT BOX UNIT (Special)
VOL.3-155
TERMINAL-RELATED DEVICES
DRU/DAU
Batteries