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GT47 - GR47 Signal Cross-reference Table A
LZT 123 7607 R1B
3. ELECTRICAL DESCRIPTION
GT47 / GT48
GT47
GT47 Primary
Pin
Signal
HD15 Connector
1
DCD
2
RD
3
TD
4
IN-3
5
OUT-3
6
DSR
7
RTS
8
CTS
9
+4.8V
10
RI
11
IN-2
12
OUT-4
13
DTR
14
GND
15
ANA_IN
RJ12 Connector
1
V
IN
2
OUT-2
3
IN-1
4
TO_IN
5
OUT-1
6
GND
GT47 Internal Function
V
Monitoring
IN
Power Save
Mode
†
IO3 on the embedded GR47 provides the common control signal for both
GT47 signals OUT-2 and OUT-4.
Relationship to the
GR47/GR48 engine
Dir.
GR47
Corresponding GR47
Pin
O
38
I
42
O
41
I
43
O
44
O
32
I
39
O
40
O
20
O
36
I
24
O
23
I
37
I
27
O
23
I
13
O
21
I
26
O
22
Signal
DCD
RD
TD
IO7
IO8
DSR
RTS
CTS
DAC
RI
IO4
†
IO3
DTR
ADC2
†
IO3
I05
IO1
ADC1
IO2
21
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