48 Keysight M9037A PXIe Embedded Controller User Guide
Using the Controller Chassis and Controller Shutdown
Wake on Magic Packet
*
from power off This mode wakes the M9037A from a
power off state (S5) when it receives a Magic Packet
*
.
Wake on Link Settings If this is the only mode selected, it requires the
controller to be in sleep or hibernate mode. This mode is not supported.
However, when checked along with Wake on Magic Packet from power off, the
M9037A will power on when plugging a LAN cable into the LAN 2 connector.
Wake on Pattern Match This mode is not supported.
PXIe Chassis and INHIBIT Switch
Keysight chassis have an INHIBIT switch on the rear panel. It controls whether
the M9037A controller or the Inhibit signal on the rear panel DB-9 connector is
allowed to turn the chassis power on/off. The default (DEF) switch setting allows
the M9037A controller to control chassis power.
For more information, refer to the chassis User Guide.
Default Position
If the chassis INHIBIT switch is set to the DEFault position and the chassis is
powered up, momentarily pressing the chassis front panel ON button causes a
clean shut down of the M9037A followed by the chassis powering down. The next
press of the chassis ON button initiates the standard power up process.
Pressing the chassis ON button for greater than 5 seconds forces shut down of
Windows followed by the chassis powering down. The next press of the chassis
ON button initiates the power up process where the chassis will be powered up
and then the M9037A brings up Windows. However, Windows safe mode may be
displayed in this situation because of the forced shut down of Windows.
Manual Position
Set the rear panel INHIBIT switch to the MANual position if you want to remotely
control the chassis power using the Inhibit signal on the rear panel DB-9
connector. A high (or open circuit) on the Inhibit signal powers up the chassis
while a low on the Inhibit signal powers down the chassis. Applying a low on the
Inhibit signal powers down the chassis and the M9037A simultaneously - that is,
without shutting down Windows first. This may leave Windows in an unknown
state. Therefore always shut down Windows prior to powering down the chassis
using the Inhibit signal.
* The Magic Packet is a broadcast (UDP) frame targeted to the controller. It contains 6 bytes of all 255
(FFFFFFFFFFFF in hexadecimal) followed by sixteen instances of the controller’s 48-bit MAC address, for a total
of 102 bytes. Typical ports for sending WoL Magic Packets are UDP 7 and 9. There are a number of free
network tools that can send WoL Magic Packets.
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