11
© Sealevel Systems, Inc. 7406 Manual | SL9066 7/2021
Card Edge DB-44 Female
Port #
1
2
3
4
GND
17
21
24
28
RD
4
8
12
30
RI
33
37
41
44
DCD
3
7
11
15
DTR
32
36
40
43
RTS
2
6
10
14
DSR
31
35
39
42
TD
1
5
9
13
CTS
16
20
23
27
Please terminate any control signals that are not going to be used. The most common way to do
this is connect RTS to CTS and RI. Also, connect DCD to DTR and DSR. Terminating these pins, if
not used, will help insure you get the best performance from your adapter.
