Kontron CI5TT, Руководство пользователя

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Chapter 2 Installations
CI5TTV User’s Manual 17
J7, JPW2/3/4: RS232/422/485 (COM2) Selection
COM1 is fixed for RS-232 use only.
COM2 is selectable for RS232, RS-422 and RS-485.
The following table describes the jumper settings of this connector.
COM2
Function
RS-232 RS-422 RS-485
J7 Jumper
Setting
(pin closed)
1-3
2-4
7-8
9-10
11-12
13-14
15-16
17-18
3-5
4-6
23-25
27-28
3-5
4-6
19-20
21-22
23-25
24-26
27-28
1
• •
2 1
• •
2 1
• •
2
3
• •
4 3
• •
4 3
• •
4
5
• •
6 5
• •
6 5
• •
6
7
• •
8 7
• •
8 7
• •
8
9
• •
10 9
• •
10 9
• •
10
11
• •
12
11
• •
12
11
• •
12
13
• •
14
13
• •
14
13
• •
14
15
• •
16
15
• •
16
15
• •
16
17
• •
18
17
• •
18
17
• •
18
19
• •
20
19
• •
20
19
• •
20
21
• •
22
21
• •
22
21
• •
22
23
• •
24 23
• •
24 23
• •
24
25
• •
26 25
• •
26 25
• •
26
27
• •
28 27
• •
28 27
• •
28
J7 Jumper
Illustration
J7 J7 J7
COM2
Function
RS-232 RS-422 RS-485
JPW2
OPEN SHORT SHORT
JPW3
OPEN SHORT SHORT
JPW4
OPEN SHORT OPEN
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