SIP-2
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USER GUIDE - Rev. 3 (January 2018)
2.4
RS-232 PORT (COM 2)
As is shown in FIGURE 13, the equipment can have a second RS-232 asynchronous data
port arranged on the front plate. This is a standard DB9 female connector (DCE mode).
The connector has a protective cap.
The electrical characteristics of the connector are configured by software among the ones
indicated in the technical characteristic; see section 1.4.7,
Asynchronous serial data ports
(DCE) characteristics
.
FIGURE 13
Location of the RS-232 (COM 2) port
Pin
RS-232 (DB9) signal
2
RD (Out)
3
TD (In)
5
GND
7
RTS
8
CTS