NEC Univerge sv8500 Manual page 2600

7.2.3 Description of System Components
This section explains the following system components of a DRU/DAU.
• Digital Remote Unit (DRU)/Distributed Access Unit (DAU)
• Batteries
• Functions of circuit cards for the DRU/DAU
DRU (Digital Remote Unit)/DAU (Distributed Access Unit)
Outer View of DRU/DAU
The figure below shows the outer view of the DRU/DAU.
Unit: mm (inch)
Outer View of a DRU/DAU
350
4
(1' 1 ")
5
60
2
(2 ")
5
VOL.3-113
CHAPTER 2 TERMINAL-RELATED DEVICES
430
9
(1' 4 ")
10