ND-45383 (E)
CHAPTER 2
Page 5
Revision CD 1.0
3. DESCRIPTION OF SYSTEM COMPONENTS
This section explains the following system components of the DRU.
•
DRU (Digital Remote Unit)
•
Batteries
•
Functions of Circuit Cards for the DRU
3.1 DRU (Digital Remote Unit)
3.1.1
Outer View of the DRU
Figure 2-2 shows the outer view of the DRU.
Figure 2-2 Outer View of the DRU
3.1.2
Type of DRU
DRU is available in following three types:
•
DRU 30-A
This DRU is capable of connecting a maximum 30 sets of analog PB telephone.
•
DRU-23-S3
This DRU is capable of connecting a maximum 23 sets of D
term
.
•
DRU-30-S3
This DRU is capable of connecting a maximum 30 sets of D
term
.
NEC
Digital Remote Unit
350
60
430
(1' 4 ")
9
10
(1' 1 ")
4
5
(2 ")
2
5
Unit: mm (inch)
