Impulse 7804e User Manual
Page 20
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©Sealevel Systems, Inc.
SL9219 - 06/2011
7804e Manual
20
Port #
1
2
3
4
5
6
7
8
RS-422/485
RS-232
TX-
TD
36
12
27
3
75
51
66
42
RX-
RD
37
11
28
2
76
50
67
41
RTS-
RTS
17
31
8
22 56
70
47
61
CTS-
CTS
16
32
7
23 55
71
46
62
TX+
DTR
35
13
26
4
74
52
65
43
RTS+
DSR
18
30
9
21 57
69
48
60
RX+
DCD
38
10
29
1
77
49
68
40
CTS+
RI
15
33
6
24 54
72
45
63
GND
GND
34
14
25
5
73
53
64
44
The RTS output is only available in RS-232 and RS-422 modes. The RTS output is tri-
stated in RS-485 mode and therefore unusable. The CTS input is available in all modes
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