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5
4
3
·
·
·
1
·
·
·
2
·
·
·
3
2.3.3
Configuration of the serial interface
The jumpers for serial interface configuration have to be placed into the default position. See
Table 4 for details.
X7-1
X7-2
X7-3
X7-4
X7-5
X7-6
X7-7
2 019 -1 2 -19
2
1
·
·
3180 Hz ± 30 Hz
·
·
·
·
Table 3: 23WT25 configuration of center frequencies
Jumper
X7-1 to X7-7
3
2
1
·
·
·
3
2
1
·
·
·
3
2
1
·
·
·
3
2
1
·
·
·
3
2
1
·
·
·
3
2
1
·
·
·
3
2
1
·
·
·
Table 4: 23WT25 configuration of serial interface (default position)
Signal
CTS
CCITT standard
DCD
CCITT standard
RxD
CCITT standard
DCD alarm delayed,
k1
SQL alarm (X5-7=1-2)
RTS
CCITT standard
TxD
CCITT standard
Definition
not used
1 0/2 0
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