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1.1.5 RS232_1
The AUART3 interface of the TQMA28 drives the RS232 interface of the MTX-Gateway by default. The
Maxim MAX3221EEAE is used as a driver.
TQMa28
Transfer rate:
Interface on module:
Handshake:
ESD protection:
The following tables show the configuration of the DB15 and Pluggable Terminals of the RS232_1
interface.
DB15 Connector pinout (J6/J16):
PIN
SIGNAL
4
TXD1
9
RXD1
14
GND
MTX-Gateway | 2019/4
MTX © by MATRIX ELECTRONICA S.L.U.
SUPPORT: iotsupport@mtxm2m.com | SALES: info@mtxm2m.com |
MAX3221
Up to 250Kbit/s
AUART3
None
±15kV human body model
TYPE
O
I
P
(Uu1)
REMARK
Transmit Data
Receive Data
Ground
mtxm2m.com
DB15
(J6/J16)
Pluggable
terminal
(J12)
17
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