VC-400LT/RT+ VDSL2 CO&CPE Router MANUAL Ver.B3
59
Figure C-3 Pin Assignments and Wiring for an RJ-45 Crossover Cable
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
C-2 lists the pin assignments for the serial console interface connector.
Table C-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 C-4 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 C-4
Figure C-5 Pin Assignments and Wiring for an RS-232 Cable