Bematech MP-4000 TH - Block Diagram; Communication Cable; Female DB-25 Connector (Printer)

15
Block Diagram
CONTROL BOARD
FEMALE DB-25
CONNECTOR
FCI
CONNECTOR
(40 PINS)
INTERFACE
IDENTIFIER
MICROTERMINAL /
HOST
SERIAL
COMMUNICATION
CONFIGURATION
MAX3232
MAX3232
Female DB-25 Connector (Printer)
25 24 23 22 21 20 19 18 17 16 15 14
13 12 11 10 9 8 7 6 5 4 3 2 1
Pin Signal
1 GND
2 TXD
3 RXD
4 RTS
5 CTS
6 DSR
7 GND
8 +5V
20 DTR
22 +5V
25 INIT
Communication Cable
14 15 16 17 18 19 20 21 22 23 24 25
1 2 3 4 5 6 7 8 9 10 11 12 13
CN B
DB-9F
CN A
DB-25M
CLAMP
CLAMP
5 4 3 2 1
9 8 7 6
2
3
6
8
20
5
7
4
2
3
4
1
6
7
5
8
Male
DB-25
Female
DB-9
C
N A
C
N B