
NVF-2400S 4 Band VDSL 24 Ports Managed IP DSLAM USER’S MANUAL Ver_A.8
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A.2 Serial Console Interface Connector Pin Assignments
The serial console interface connector is a 9-pin, RS-232 D-type, DTE connector. A null modem cable is required to connect a
workstation running the Linux or Windows operating system.
Table A-2
lists the pin assignments for the serial console interface
connector.
Table A-2 RS-232 Connector Pin Assignments
Description
Pin I/O
Signal Name
Not used
1
-
-
Receive data; input
2
In
RXD
Transmit data; output
3
Out
TXD
Data terminal ready; output
4
Out
DTR
Interface signal ground
5
-
GND
Data set ready; input
6
In
DSR
Not used
7
-
-
Not used
8
-
-
Not used
9
-
-
The CDEs have one standard serial port connector located on the
back of the device.
Figure A-2
shows the pin number assignments
for the 9-pin, male D-shell serial port connector on the back of the
device. These pin number assignments conform to the industry
standard for RS-232 communications.
Figure A-2
Figure A-3 Pin Assignments and Wiring for an RS-232 Cable