The Speaker Company TTP 248M Benutzerhandbuch
34
TTP-248M Bar Code Printer
Service Manua
Service Manua
l
U19 is used for industrial long-distance asynchronous communication;U19 is
optional.
3.13 Parallel Port Circuit
U2/1 00
U2/1 01
U2/1 01
U2/9 8
U2/1 02
U2/1 03
U2/1 04
U2/1 05
U2/1 06
U2/1 07
U2/1 10
U2/1 11
U2/1 03
U2/1 04
U2/1 05
U2/1 06
U2/1 07
U2/1 10
U2/1 11
U2/1 12
U2/1 13
U2/1 13
U2/1 15
PE
/Writ e
R17
10 K
GND
DIGITAL GND
SELECT
PE
ERROR
/Wait
/DStrb
/In it
/AStrb
VDD
R18
10 K
10 K
R56
10 0
C5
22 0p
22 0p
VDD
D0
D1
D2
D3
D4
D5
D6
D7
D1
D2
D3
D4
D5
D6
D7
/Writ e
In tr
/Wait
/DStrb
D0
D1
D2
D3
D4
D5
D6
D7
D1
D2
D3
D4
D5
D6
D7
/Writ e
In tr
/In it
/AStrb
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
JP4
CENTRONIC
R19
10 K
1
2
U6A
74 HCT1 4
5
6
U6C
74 HCT1 4
8
9
U6D
74 HCT1 4
ERROR
SELECT
PE
10
11
U6E
74 HCT1 4
12
13
U6F
74 HCT1 4
PC4 22 0p
PC1 22 0p PC2 22 0p PC3 22 0p
PR1 10 K
PR2 10 K PR3 10 K PR4 10 K
PR5
10 K
PR6 10 K
PR7 10 K
PR8 10 K
PR22
10 0
PR23
10 0
PR24
10 0
PR25
10 0
R17
10 K
GND
DIGITAL GND
SELECT
PE
ERROR
/Wait
/DStrb
/In it
/AStrb
VDD
R18
10 K
10 K
R56
10 0
C5
22 0p
22 0p
VDD
D0
D1
D2
D3
D4
D5
D6
D7
D1
D2
D3
D4
D5
D6
D7
/Writ e
In tr
/Wait
/DStrb
D0
D1
D2
D3
D4
D5
D6
D7
D1
D2
D3
D4
D5
D6
D7
/Writ e
In tr
/In it
/AStrb
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
JP4
CENTRONIC
R19
10 K
1
2
U6A
74 HCT1 4
3
4
U6B
74 HCT1 4
5
6
U6C
74 HCT1 4
8
9
U6D
74 HCT1 4
ERROR
SELECT
PE
10
11
U6E
74 HCT1 4
12
13
U6F
74 HCT1 4
PC4 22 0p
PC1 22 0p PC2 22 0p PC3 22 0p
PR1 10 K
PR2 10 K PR3 10 K PR4 10 K
PR5
10 K
PR6 10 K
PR7 10 K
PR8 10 K
PR22
10 0
PR23
10 0
PR24
10 0
PR25
10 0
SELECT
ERROR
Fig. 3.16 Parallel Port Circuit
Censorings port is SPP mode and one-way communication.