Tadiran Telecom Coral IPx Office, Installation And Hardware Reference Manual, Page: 156 / 510

5-18
External Connections Coral IPx Office Installation Manual
Power Fail (PF) T
ransfer Cir
cuits
5
0
To use the power fail transfer features of the Coral system, the station dial numbers,
to which power fail trunks are transferred, must be entered in the system database.
Refer to Power Fail Trunk Definition in
Chapter 8 of the Program Interface and
Database Reference Manual for more information.
Power Failure Trunk Definition (Route: TRK, 4)
FROM/TO DIAL#
Enter the required range of Loop Start analog trunks.
DEST
Set this parameter to determine the power fail station system dial number to be
connected to the trunk during power failure.
Figure 5-6 Power Fail
Wiring to Single-Line
Telephone Set
...................................................................................................
2 Database Programming
Lightning
Protection
Trunk circuit
(Loop Start)
with PF option
4T Office
4T-CID
8T
8T-CID
Office
Office
Office
Cor
al IPx Of
fic
e
sy
st
em
Re
d
R (ri
ng)
Green
T (
tip
)
Modular
Jack
2500
Single-Line Set
4SA Office
8SA Office
16SA Office
24SA Office
4S Office
8S Office
20S Office
STy
SRy
SCTx
SCRx
STTx
STRx
TTx
TRx
1 2 3
4 5 6
7 8 9
*
0 #
PSTN
Central Office