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6 - 8 ONline Ethernet Bridge Module Installation and Operation Guide
2. Connect the other end of the cable to the serial port on your PC
(using the provided 9- to 25-pin adapter if necessary). Make sure you
connect the cable to the communications port you specified in the
ProComm install instructions.
Download the New Bridge Module Software
This step copies the new Bridge Module software (UDK) to the Flash
EPROM on the Bridge Module. Note that this procedure creates a file called
profile.cmd in the PROCOMM directory. If you currently have a file with
that name, rename it before the UDK download so that it does not get
overwritten.
Warning: Do not interrupt power to the concentrator during the
download process.
Follow the instructions below:
1. Make a backup copy of the 3Com UDK diskette.
2. Place the 3Com diskette in the floppy drive and change to that drive
by typing a: or b:.
3. Type the command UDK and press [ENTER] to display the initial
installation screen as shown in Figure 6-4: