[8]
1.4.4 DB9 (Female) – RS232 Serial Ports and Console Port
Table 1-10 defines the pin-out of the DB9 female connector for the console port and for serial ports S1 -S4 when
they are configured for the RS232 interface. DB9 connectors are used on RS232 serial ports S1 - S4 and the console
port, for asynchronous connec ons.
Table 1-10. RS232 DB9 Pin-out
Pin
Name
Dir.
Descrip on
1
DCD
In
Data Carrier Detect from DCE
2
RXD
In
Receive Data from DCE
3
TXD
Out
Transmit Data to DCE
4
DTR
Out
Data Terminal Ready to DCE
5
GND
Pwr
Signal Ground
6
DSR
In
Data Set Ready from DCE
7
RTS
Out
Request To Send
8
CTS
In
Clear to Send
9
RI
In
Ring Indicator from DCE
1.4.5 DB9 (Female) – Alarm Port
Table 1-11 defines the pin-out of the DB9 female connector for the alarm port on the DX940e.
Table 1-11. Alarm DB9 Pin-out
Pin
Signal
1
NC1 -Normally Closed 1
2
NO1 -Normally Opened 1
3
COM2 - Common 2
4
Reserved for future use
5
Reserved for future use
6
COM1 - Common 1
7
NO2 -Normally Opened 2
8
NC2 -Normally Closed 2
9
Reserved for future use
1.4.7 DB9 (Female) – RS485 Serial Ports
Table 1-12 defines the pin-out of the DB9 female connector used with serial ports on the DX940e when they are
configured for the RS485 interface.
Table 1-12. RS485 DB9 Pin-out
Pin
Signal
1
RX-
In
2
RX+
In
3
TX-
Out
4
TX+
Out
5
GND
Power
6
Not Used
7
Not Used
8
Not Used
9
Not Used
