2.3 S
ERIAL
TTL
AND
RS232C
TTL serial
connections in 0/5V levels must be connected
on CN2 :
type Molex KK – 4 pins male at 2.54mm step
Available on MTH-2500 & 3500
Not available on MTH-2700
RS232C serial
connections in ± 12V levels must be connected
on CN2 :
type Molex KK – 4 pins male at 2.54mm step
for MTH-2500 & MTH-3500 without add-on card
PAPER END MONITORING
•
If a paper-end occurs, a 19h character is sent on the serial interface.
•
When a new paper roll is installed, a XON character (11h) is sent on
the serial interface
MTH-2500, 2700 & 3500 v3.4
8
CN2 SERIAL
WAY
3
GND
-
4
RTS
Output
5
RXD
Input
6
TXD
Output
C
N
2
G
N
D
3
R
T
S
4
R
X
D
5
T
X
D
6
On Sub-D 9 pins female socket :
5 4 3 2 1
9 8 7 6
n.
c.
n.
c.
n.
c.
n.
c.
R
T
S
R
xD
T
xD
n.
c.
G
N
D
on the add-on card
for MTH-2500 & 3500 with add-on card
at the back of the DIN96x96 enclosure
for MTH-2700
For information: RS232C serial is active if bridges L1, L2 and L3
are opened and U1 component : MAX-232 is present.
For information: TTL serial is active if bridges
L1, L2 and L3 are closed and U1 component :
MAX-232 is absent.
