Page
10
5.1.1.- Communication cables for RJ connectors
The most usual configurations for
QNA-P/PV
communication cables are as
follows:
•
RS-232 connection to PC or to external modem:
QNA-P/PV
PC
1–DSR
5–GND
2–Rx
3–Tx
3–TX
2–Rx
4–CTS
7–RTS
5–RTS
8–CTS
6–GND
5–GND
The RS-232 communication cables must always be disconnected to
establish communication with a QNA-P/PV-GPRS/GSM via a mobile phone. If
the RS-232 is connected, then modem operation is completely disabled.
Summary of Contents for Q20711
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