NEC Univerge sv8500 Manual page 2529

3.4 Connection Diagram for Digital Terminal as Power Failure Transfer Terminal
The following are connection diagrams which enable DT300 Series (DT330)/Dterm Series i to be used
as Power Failure Transfer Terminals.You need to confirm whether PB or DP is used for the analog line
beforehand.
NCU card (PA-M69-A) is required.
Note:
Connection Diagram for Power Failure Transfer Terminal; DT300 Series
PIR
NCU
NCU card
LT
ELC card
LT
COT card
LT cable
ELC card
COT card
NCU card
MDF
LT cable
LT cable
LT cable
MDF
A
B
T
Ｒ （Analog）
R
Ｔ （Analog）
A00（Digital）
TI
01
B00（Digital）
TI 00
AO 01
TO 00
TO 00
BO 00
BO 01
AI 00
AI
01
VOL.3-42
LT cable
A
B
LT connector cable
LT connector cable
1 2
B00
3 4
Line Connector for Power
Failure Transfer Terminal
(main unit-side)
The pin number is corresponding
to the number shown in the
Modular Rosette above.
This drawing indicates the case
that the Modular Rosette is seen
from the Modular Connector side.
CHAPTER 1 TERMINALS
DT300 Series
To C.O. Line
C.O. Line
R
2
T
3 4
A00
Modular Rosette
Modular Rosette
Modular Connector
Line Connector for Power
Modular
Connector Failure Transfer Terminal
(cradle-side)
1 3
2 4