Epson TM-U200 Series Technical Manual

Rev. A Appendix A-15
TM-U200 Series (Type A/AM) Technical Manual
/
Confidential
RS-485 Serial Interface Circuit Board Diagram
TP2
+5V
R12
1
2
3
4
8
7
6
5
U2
R13
R9
R8
R1
R2
FG
1
SD/SD1
2
RD/SD2
3
RS/RD1
4
/RD2
5
DR/INIT1
6
SG
7
/DR1
8
/DR2
9
/CS1
10
/CS2
11
12
13
14
15
16
17
18
19
ER
20
21
22
23
24
INIT2
25
SHELL
0
CN1
FG
TO HOST
R6
R3
R11 R4
1
2
3
4
8
7
6
5
U1
R10
R5
CS1CS1
CS2 CS2
DR1
DR2
RD1
RD2
SD1
SD2
+5V
+5V
CTS
CTS
SD
RD
+
5
V
SG
SG
DR
DR
C5
R17
R16
R18
DK 1
1
DK S
2
PG
3
PG
4
+24V
5
+24V
6
PG
7
HOST_RTS
8
CTS
9
DET
10
RTS
11
CLKIN/DTR
12
CLKREQ
13
SG
14
+5V
15
DK 2
16
DK G
17
DK P
18
PG
19
+24V
20
+24V
21
PG
22
SG
23
SD
24
RD
25
(RES)
26
#25_RESET
27
DSR_RESET
28
#RESET
29
SG
30
CN2
+
5
V
+5V
SG
SG
SG
CTS
DR
TO MAIN BOARD
TP1
R15
R7
R14
R19
SG
SG
RD
SD
SD
RD
SG
SG
SG
CS1
CS2
DR1
DR2
RD2
RD1
SD1
SD2
SG
FG

Epson TM-U200 Series Specifications

General

Brand	Epson
Model	TM-U200 Series
Category	Printer
Language	English