38
Nera F77
Continuing the Saturn tradition
TEL
4
ISDN
RS-422
TEL
2
ISDN
ISDN ISDN
ISDN
TEL
1
TEL
3
ISDN ISDN
TEL 3
TEL 4
ISDN
TX
TX
RX
RX
TEL
4
TX
TX
RX
RX
TX
RX
RX
TX
TX
RX
RX
TX
TX
RX
RX
TEL2 TEL 4 TEL3
Part of the MCU
connector panel
TEL2 TEL3 TEL 4
Analogue telephones
Wall socket for analogue telephone/telefax gr.3 (option)
BLU
ORN
BLK
RED
GRN
WHT
BRN
YEL
1
2
3
4
8
7
6
5
1
8
1
6
Use the two centre
terminals.
Remote
telephone or telefax
Connection
Box
MCU
Screw terminal blocks
TEL1 through TEL 4
Alternative connection:
RJ45 jacks in parallel
with screw terminals
(TEL3 and TEL4)
Use the two
centre terminals.
The telephone and/or
telefax cable can be
terminated in a wall
socket, as shown.
Remove approx. 3 cm
of the jacket from the
cable end, strip off 1
cm of the insulation
from each core and
connect to centre
terminals
4
and
5
.
Interchanging of the
wires at terminals 4
and 5 has no effect.
1 2 3 4 5 6
1
2
3
4
5
6
7
8
9
0
#
P
S
Re
CONNECTORS
TEL3-4
RJ11
(6/4)
1
2
3
4
5
6
1
2
3
4
5
6
7
8
1 2 3 4 5 6 7 8
Analogue telephones and GR3 fax are
connected to the
TEL1
through
TEL4
outlets.
For TEL3 and TEL4 RJ45 jacks are provided
in parallel.
See diagrams for RJ11 pin configuration.
Max. extension length: 150 m, min. 0.22 mm
2
.
Summary of Contents for F77
Page 53: ......
