ADTRAN 1204006L1 Bedienungsanleitung Seite 55

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61200.175L1-1 FSU 5622 ESP User Manual 39
Chapter 4. Applications
PLAR Mode Application
PLAR (private line automatic ringdown) mode connects up to
two remote telephone sets to one or two local telephone sets
without a PBX. PLAR mode runs over a point-to-point DDS
network or over a frame relay network. This mode requires the
use of FXS modules on both ends for connection to the telephone
sets. In PLAR mode, taking a phone off-hook rings the opposite
end of the circuit. See Figure 4-8.
For PLAR mode, the DLCI for each voice port must be pro-
grammed. In the case of a frame relay circuit, this is the local
DLCI that the voice data is to be carried on. For a point-to-point
circuit, the DLCI value must be non-zero and it must be the same
on both ends of the circuit.
FSU 5622
FRAME
RELAY
FSU 5622
RD1
TD2
RD2
TDN RDN
TD1
ALM
/TST
1
A
C
B
4
D
F
E
SHIFT
DELETE
QUICK
NEXT
PREV
ADD
7
2
5
#
3
6
9
8
0
FSU 5622
FSU 5622
RD1
TD2
RD2
TDN RDN
TD1
ALM
/TST
1
A
C
B
4
D
F
E
SHIFT
DELETE
QUICK
NEXT
PREV
ADD
7
2
5
#
3
6
9
8
0
DLCI= 100
FXS
FXS
Mode=Direct
L1 DLCI=100
L2 DLCI=100
Mode=Direct
L1 DLCI=200
L2 DLCI=200
Figure 4-8
PLAR Mode Application
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