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The QSC-100 is a DTE device which connects to peripheral equipment through a
single female D-37 connector, or using the adapter cable, four male D-25 connectors.
The standard serial port connections are listed in Figure 17.
73571272673GND
221522292262220RI
8
34
8
11
8
25
8
2
DCD
6
17
6
31
6
8
6
22
DSR
201620302072021DTR
5
36
5
13
5
27
5
4
CTS
4
18
4
32
4
9
4
23
RTS
33731432835RxD
219233210224TxD
D-25
D-37
D-25
D-37
D-25
D-37
D-25
D-37
Port 4
Port 3
Port 2
Port 1
RS-232
Signal
Figure 18 --- QSC-100 connector pinouts
D-25 connector
(using adapter cable)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
14
15
16
17
18
19
1
2
3
4
5
6
7
8
9
10
11
12
13
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
D-37 connector
(dashed lines delineate channels)
Figure 19 --- QSC-100 output connectors
Quatech QSC-100 User's Manual
25