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CHAPTER 4: CONNECTING TO DEVICES AND NETWORKS
To switch the terminal
session at the D400
command prompt
Front maintenance port
To connect your
computer to the D400
D400 SUBSTATION GATEWAY USER'S MANUAL
You can also connect a USB touchscreen, keyboard, and mouse to the front USB ports.
Figure 40: USB KVM adaptor
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 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 using the D400 command line interface, see the D400 Software
Configuration Guide.
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.
See "Connecting to the D400 for the first time" on page 83 for more information on setting
up communications 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.
GENERAL
FRONT MAINTENANCE PORT
65
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