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Do not power-off the serial device server or disconnect the power supply while
Caution
running the NI Ethernet Device Firmware Update utility. Doing so will damage the unit.
Linux x86/Solaris 2.x
Caution
Do not power-off the serial device server or disconnect the power supply while
running the firmware update utility. Doing so will damage the unit.
Configuring Transceiver Modes on the ENET-485
Note
Transceiver modes apply only to the ENET-485 Series serial device server. This
information is intended for advanced users.
© National Instruments Corporation
6.
Click Exit to close the NI Ethernet Device Firmware Update utility.
1.
The firmware update utility is in the
your installation. Run it with the following command syntax:
FirmwareUpdate <EEPROM file> <host>
where
<EEPROM file>
image, and
<host>
numerical IP address of the device to update.
2.
Follow any onscreen prompts.
The ENET-485 supports four modes of hardware transceiver control. You
can use hardware flow control to enable and disable your transmitters and
receivers so that they function on different bus topologies. Table 6-1 lists
the status of the transmitters and receivers under each of the transceiver
control modes.
Table 6-1. Transceiver Control Modes
Mode
Four-wire mode
Two-wire mode:
DTR with echo
Two-wire mode:
DTR controlled
Two-wire mode:
Auto Control
Chapter 6
NIserial/enet
is the binary file containing the new firmware
is either a valid hostname or the dotted decimal
Transmitter
Always enabled
Enabled with
DTR asserted
Enabled with
DTR asserted
Enabled when
transmitting data
6-7
ENET-232 and ENET-485 Series User Manual
Using Your Serial Device Server
subdirectory of
Receiver
Always enabled
Always enabled
Enabled with
DTR unasserted
Enabled when not
transmitting data
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