Front maintenance port
To connect your
computer to the D400
Minimal required connection
70
The local HMI connection through the USB KVM card supports two simultaneous terminal
sessions
•
tty1 is for the HMI session
•
tty2 is for the D400 command line interface
The local HMI connection defaults to the HMI session (tty1) when you log in.
To switch the terminal session at the D400#>> command prompt:
•
To the command line interface (tty2) at the D400#>> command prompt, press Ctrl-
Alt-F2.
•
Back to the HMI session, press Ctrl-Alt-F1.
For information on accessing the D400 command line interface, see the Setting Up a
Terminal Session topic in the D400 online help.
The serial communications port on the front panel of the D400 provides a local connection
with the D400 to perform the initial setup of the D400 and to carry out maintenance and
diagnostic procedures. The front maintenance port provides for a direct serial connection
to a PC using a serial null modem cable (GE Item No. 977-0529), which is supplied with the
D400.
"Start the D400" on page 89
See
with the D400.
Connect the supplied serial null modem cable (GE Item No. 977-0529) to your computer's
serial communications port and to the D400's front serial communications port.
Figure 42: Front serial port
The minimal cable connection required to establish successful communication between
your PC and the D400 is as follows:
PC Pin #
9-Pin Female
2
3
5
GE INFORMATION
CHAPTER 4: CONNECTING TO DEVICES AND NETWORKS
for more information on setting up communications
D400 Pin #
9-Pin Female (w/o Converter)
3
2
5
D400 SUBSTATION GATEWAY INSTRUCTION MANUAL
Signal Acronym
TXD
RXD
GND