ELCOM Euro-2500 Series, Руководство по обслуживанию

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© Elcom s. r. o. Service manual
Euro 2500
TX
25
Fig. 2.26: Communication cir-
cuits for the COM3 and COM4
C
S
52
D
0
D
1
D
2
D
3
D
4
D
5
D
6
D
7
A
0
A
1
A
2
R
D
H
W
R
C
S
51
C
72
10
0n
C
73
10
0n
C
68
10
0n
C
69
10
0n
B
D
8
E
B
M
32
16
B
D
9
E
B
M
32
16
B
D
10
E
B
M
32
16
B
D
11
E
B
M
32
16
B
D
12
E
B
M
32
16
B
D
13
E
B
M
32
16
B
D
14
E
B
M
32
16
B
D
15
E
B
M
32
16
B
D
16
E
B
M
32
16
B
D
17
E
B
M
32
16
B
D
18
E
B
M
32
16
B
D
19
E
B
M
32
16
B
D
20
E
B
M
32
16
B
D
21
E
B
M
32
16
B
D
22
E
B
M
32
16
B
D
23
E
B
M
32
16
C
71
10
0n
C
67
10
0n
C
70
10
0n
C
66
10
0n
V
C
C
V
C
C
C
80
1n
C
81
1n
C
82
1n
C
83
1n
C
84
1n
C
85
1n
C
86
1n
C
87
1n
C
88
1n
C
89
1n
C
90
1n
C
91
1n
C
92
1n
C
93
1n
C
94
1n
C
95
1n
R
ST
1 2 3 4 5 6 7 8 9
SC
A
LE
SC
O
N
D
-S
U
B9
M
PC
B
R
A
1 2 3 4 5 6 7 8 9
PA
YT
ER
M
C
O
N
D
-S
U
B9
M
PC
B
R
A
R
xD
3
R
xD
3
Tx
D
3
Tx
D
3
Tx
D
4
R
xD
4
R
xD
4
Tx
D
4
R
I3
R
I4
R
I3
R
I4
D
C
D
3
D
C
D
3
D
C
D
4
D
C
D
4
D
TR
3
D
TR
3
D
TR
4
D
TR
4
D
S
R
3
D
S
R
4
D
S
R
3
D
S
R
4
R
TS
3
R
TS
4
R
TS
3
R
TS
4
C
TS
3
C
TS
4
C
TS
3
C
TS
4
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
R
10
1
10
k
1 2
3
&
U
17
A
74
H
C
00
4 5
6
&
U
17
B
74
H
C
00
IR
Q
U
1
IR
Q
U
2
R
10
2
10
k
T3
O
U
T
1
T1
O
U
T
2
T2
O
U
T
3
R
2I
N
4
R
2O
U
T
5
T2
IN
6
T1
IN
7
R
1O
U
T
8
R
1I
N
9
C
1+
12
V
+
13
C
1-
14
C
2+
15
C
2-
16
V
-
17
R
5I
N
18
R
5O
U
T
19
T3
IN
20
T4
IN
21
R
4O
U
T
22
R
4I
N
23
EN
24
SD
25
R
3O
U
T
26
R
3I
N
27
T4
O
U
T
28
U
15
H
IN
21
1C
A
T3
O
U
T
1
T1
O
U
T
2
T2
O
U
T
3
R
2I
N
4
R
2O
U
T
5
T2
IN
6
T1
IN
7
R
1O
U
T
8
R
1I
N
9
C
1+
12
V
+
13
C
1-
14
C
2+
15
C
2-
16
V
-
17
R
5I
N
18
R
5O
U
T
19
T3
IN
20
T4
IN
21
R
4O
U
T
22
R
4I
N
23
EN
24
SD
25
R
3O
U
T
26
R
3I
N
27
T4
O
U
T
28
U
16
H
IN
21
1C
A
C
LK
4
D
0
14
D
1
15
D
2
16
D
3
17
D
4
18
D
5
19
D
6
20
D
7
21
A
0
35
A
1
34
A
2
33
R
ST
39
R
D
37
W
R
36
C
S2
C
H
3
C
S1
C
H
32
IN
1
41
IN
2
62
R
I1
30
D
C
D
1
29
R
I2
6
D
C
D
2
8
D
SR
1
31
D
SR
2
5
C
TS
2
13
C
TS
1
28
O
U
T1
26
D
TR
1
25
R
TS
1
24
O
U
T2
10
D
TR
2
11
R
TS
2
12
IN
TR
1
45
IN
TR
2
60
C
SP
R
N
38
U
7
TL
16
C
45
2
8M
H
z
C
SP
R
N
1
2
3
&
U19A
74HC00
4
5
6
&
U19B
74HC00
8
9
10
&
U19C
74HC00
11
12 13
&
U19D
74HC00
CS51
CS52
CS5
A19
8x
8x