NEC ElectraElite 48, System Hardware Manual

Page: 120 / 435

Electra Elite Issue 6
System Hardware Manual 4 - 9
2.5 Power Failure Transfer
The Power Failure Transfer relay is located in the KSU. When
selecting a Single Line Telephone for power failure transfer, make
sure it matches the CO line dialing type (10 pps, 20 pps, or DTMF)
where it is connected. A Single Line Telephone with a ground
button must be used with Ground Start Trunks. Refer to
Figure 4-2
Power Failure Transfer Connection to SLT .
2.6 Fax CO Branch Connection
This connection is made to the fourth port on any COI(4)-U( ),
COIB(4)-U( ), or COID(4)-U( ) ETU. Refer to
Figure 4-3 Fax CO
Branch Connection . The facsimile machine is connected to the
eighth port for the specified slot where COI(4)-U( ), COIB(4)-U( ),
or COID(4)-U( ) ETU is installed.
Figure 4-2 Power Failure Transfer Connection to SLT
Figure 4-3 Fax CO Branch Connection
M
D
F
M
D
F
Tip
Ring
Tip
Ring
T
E
L
C
O
SLT
AMP1
50
25
To Single Line Telephone
RJ-11
T1
R1
T2
R2
T3
R3
T4
R4
T8
R8
FAX
T
R
T
R
T
R
T
R
CO
Demark