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6
DSR 0
7
RTS 0
8
CTS 0
9
VEXT
Features (when connected to ASC0)
• Includes the data lines TD0 and RD0, the status lines RTS0 and CTS0 and also the modem
control lines DTR0, DSR0 and DCD0
• This port is primarily designed for controlling voice calls, transferring CSD, fax and GPRS data
and for controlling the GSM engine with AT commands
• Full Multiplex capability allows the interface to be partitioned into three virtual channels, but
with CSD and fax services only available on the first logical channel
• The DTR0 signal will only be polled once per second from the internal firmware of MTX-Java-IoT
• The default configuration is 8 data bits, no parity and 1 stop bit. The setting can be changed
using the AT command AT+ICF and, if required, AT^STPB
• Can be operated at fixed bit rates from 1200bps to 921600bps
• Autobauding supports bit rates from 1.2kbps to 460.8kbps
• The default serial speed for MTX-Java-IoT is 115200bps
Features (when connected to ASC1)
• Includes data lines TD0 and RD0 (2-wire/4-wire)
• Includes the status lines RTS0 and CTS0 and supports hardware flow control (4-wire only)
• Configured for 8 data bits, no parity and 1 or 2 stop bits
• Can be operated at fixed bit rates from 1200 bps to 921600 bps. Autobauding is not supported
on ASC1
• The default serial speed for MTX-Java-IoT is 115200bps
MTX-Java-IoT | 2018/2
MTX © by MATRIX ELECTRONICA S.L.U.
SUPPORT: iotsupport@mtxm2m.com | SALES: info@mtxm2m.com |
Output
Data set ready
Input
Request to send
Output
Clear to send
Output
Output voltage reference (4V)
mtxm2m.com
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