There are eight designated surface mount DIP-Switches, SW1 through SW8, located at the top of the GX5642 board. Each DIP-Switch has eight switches for a total of 64 individual DIP-Switches. When a switch is in the ON position the related channel’s direction is Differential to TTL. When a switch is in the OFF position the related channel’s direction is TTL to Differential.

DIP-Switches SW1 through SW8
Each DIP-Switch is connected to a channel according to the following tables:
DIP-Switch SW1 |
DIP-Switch SW2 |
||||||
Ch # |
Switch # |
Position |
Conversion |
Ch # |
Switch # |
Position |
Conversion |
0 |
1 |
ON |
DIFF to TTL |
8 |
1 |
ON |
DIFF to TTL |
OFF |
TTL to DIFF |
OFF |
TTL to DIFF |
||||
1 |
2 |
ON |
DIFF to TTL |
9 |
2 |
ON |
DIFF to TTL |
OFF |
TTL to DIFF |
OFF |
TTL to DIFF |
||||
2 |
3 |
ON |
DIFF to TTL |
10 |
3 |
ON |
DIFF to TTL |
OFF |
TTL to DIFF |
OFF |
TTL to DIFF |
||||
3 |
4 |
ON |
DIFF to TTL |
11 |
4 |
ON |
DIFF to TTL |
OFF |
TTL to DIFF |
OFF |
TTL to DIFF |
||||
4 |
5 |
ON |
DIFF to TTL |
12 |
5 |
ON |
DIFF to TTL |
OFF |
TTL to DIFF |
OFF |
TTL to DIFF |
||||
5 |
6 |
ON |
DIFF to TTL |
13 |
6 |
ON |
DIFF to TTL |
OFF |
TTL to DIFF |
OFF |
TTL to DIFF |
||||
6 |
7 |
ON |
DIFF to TTL |
14 |
7 |
ON |
DIFF to TTL |
OFF |
TTL to DIFF |
OFF |
TTL to DIFF |
||||
7 |
8 |
ON |
DIFF to TTL |
15 |
8 |
ON |
DIFF to TTL |
OFF |
TTL to DIFF |
OFF |
TTL to DIFF |
||||
Setting DIP-Switches SW1 and SW2
DIP-Switch SW3 |
DIP-Switch SW4 |
||||||
Ch # |
Switch # |
Position |
Conversion |
Ch # |
Switch # |
Position |
Conversion |
16 |
1 |
ON |
DIFF to TTL |
24 |
1 |
ON |
DIFF to TTL |
OFF |
TTL to DIFF |
OFF |
TTL to DIFF |
||||
17 |
2 |
ON |
DIFF to TTL |
25 |
2 |
ON |
DIFF to TTL |
OFF |
TTL to DIFF |
OFF |
TTL to DIFF |
||||
18 |
3 |
ON |
DIFF to TTL |
26 |
3 |
ON |
DIFF to TTL |
OFF |
TTL to DIFF |
OFF |
TTL to DIFF |
||||
19 |
4 |
ON |
DIFF to TTL |
27 |
4 |
ON |
DIFF to TTL |
OFF |
TTL to DIFF |
OFF |
TTL to DIFF |
||||
20 |
5 |
ON |
DIFF to TTL |
28 |
5 |
ON |
DIFF to TTL |
OFF |
TTL to DIFF |
OFF |
TTL to DIFF |
||||
21 |
6 |
ON |
DIFF to TTL |
29 |
6 |
ON |
DIFF to TTL |
OFF |
TTL to DIFF |
OFF |
TTL to DIFF |
||||
22 |
7 |
ON |
DIFF to TTL |
30 |
7 |
ON |
DIFF to TTL |
OFF |
TTL to DIFF |
OFF |
TTL to DIFF |
||||
23 |
8 |
ON |
DIFF to TTL |
31 |
8 |
ON |
DIFF to TTL |
OFF |
TTL to DIFF |
OFF |
TTL to DIFF |
||||
Setting DIP-Switches SW3 and SW4
DIP-Switch SW5 |
DIP-Switch SW6 |
||||||
Ch # |
Switch # |
Position |
Conversion |
Ch # |
Switch # |
Position |
Conversion |
32 |
1 |
ON |
DIFF to TTL |
40 |
1 |
ON |
DIFF to TTL |
OFF |
TTL to DIFF |
OFF |
TTL to DIFF |
||||
33 |
2 |
ON |
DIFF to TTL |
41 |
2 |
ON |
DIFF to TTL |
OFF |
TTL to DIFF |
OFF |
TTL to DIFF |
||||
34 |
3 |
ON |
DIFF to TTL |
42 |
3 |
ON |
DIFF to TTL |
OFF |
TTL to DIFF |
OFF |
TTL to DIFF |
||||
35 |
4 |
ON |
DIFF to TTL |
43 |
4 |
ON |
DIFF to TTL |
OFF |
TTL to DIFF |
OFF |
TTL to DIFF |
||||
36 |
5 |
ON |
DIFF to TTL |
44 |
5 |
ON |
DIFF to TTL |
OFF |
TTL to DIFF |
OFF |
TTL to DIFF |
||||
37 |
6 |
ON |
DIFF to TTL |
45 |
6 |
ON |
DIFF to TTL |
OFF |
TTL to DIFF |
OFF |
TTL to DIFF |
||||
38 |
7 |
ON |
DIFF to TTL |
46 |
7 |
ON |
DIFF to TTL |
OFF |
TTL to DIFF |
OFF |
TTL to DIFF |
||||
39 |
8 |
ON |
DIFF to TTL |
47 |
8 |
ON |
DIFF to TTL |
OFF |
TTL to DIFF |
OFF |
TTL to DIFF |
||||
Setting DIP-Switches SW5 and SW6
DIP-Switch SW7 |
DIP-Switch SW8 |
||||||
Ch # |
Switch # |
Position |
Conversion |
Ch # |
Switch # |
Position |
Conversion |
48 |
1 |
ON |
DIFF to TTL |
56 |
1 |
ON |
DIFF to TTL |
OFF |
TTL to DIFF |
OFF |
TTL to DIFF |
||||
49 |
2 |
ON |
DIFF to TTL |
57 |
2 |
ON |
DIFF to TTL |
OFF |
TTL to DIFF |
OFF |
TTL to DIFF |
||||
50 |
3 |
ON |
DIFF to TTL |
58 |
3 |
ON |
DIFF to TTL |
OFF |
TTL to DIFF |
OFF |
TTL to DIFF |
||||
51 |
4 |
ON |
DIFF to TTL |
59 |
4 |
ON |
DIFF to TTL |
OFF |
TTL to DIFF |
OFF |
TTL to DIFF |
||||
52 |
5 |
ON |
DIFF to TTL |
60 |
5 |
ON |
DIFF to TTL |
OFF |
TTL to DIFF |
OFF |
TTL to DIFF |
||||
53 |
6 |
ON |
DIFF to TTL |
61 |
6 |
ON |
DIFF to TTL |
OFF |
TTL to DIFF |
OFF |
TTL to DIFF |
||||
54 |
7 |
ON |
DIFF to TTL |
62 |
7 |
ON |
DIFF to TTL |
OFF |
TTL to DIFF |
OFF |
TTL to DIFF |
||||
55 |
8 |
ON |
DIFF to TTL |
63 |
8 |
ON |
DIFF to TTL |
OFF |
TTL to DIFF |
OFF |
TTL to DIFF |
||||
Setting DIP-Switches SW7 and SW8