Audiotel BASE Manual Del Usuario página 30

LOWER PANEL FOR INDUSTRIAL BASE AND PLUS
Industrial PLUS and Industrial BASE modems are equipped with the same
connectors, nevertheless a few pinout difference is due to the presence of the
microcontroller installed on the PLUS version.
CONNECTOR
DB9 RS232
serial port
30
4 pins MICROFIT
1 2 4 5
4 3 3 2
6 pins MICROFIT
PIN EIA
1 DCD
2 RX
3 TX
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
GSM/GPRS INDUSTRIAL MODEM
5
6
1
DB9 RS232 serial port
CCITT USAGE
C109 Data Carrier Detect
C104 Receiver Data
C103 Transmit Data
C108 Data Terminal Ready
C102 Ground
C107 Data Set Ready
C105 Request To Send
C106 Clear To Send
C125 Ring Indicator
4 3 2 1
9 8 7 6
IN/OUT
OUT
OUT
IN
IN
OUT
IN
OUT
OUT