Input/ Output
bypass LEDs:
These amber LEDs light when no
valid input signal is detected and
when no data is passed through the
port. When no cable is connected to
the port, the LEDs also light. Both
ports on the ESM board are
bypassed and the LEDs are lit in the
event of an ESM board fault. In this
case, the ESM Fault LED is also lit.
Levers:
Use these levers when removing
and inserting the ESM boards.
Power LEDs:
These green LEDs are lit when there
is power to the ESM board.
Over
temperature
LEDs:
These amber LEDs light if the
expansion unit overheats.
Tray number
switches:
These switches assign the physical
addresses of the disk drives and the
system management processors that
are participating in the loop, and
they identify the Netfinity FAStT
EXP500 expansion unit. The base
switch (x1) sets the IDs of the disk
drives on the loop. The settings of
both the base ID switch (x1) and the
extended ID switch (x10) together is
the expansion unit ID. The switches
set the expansion unit ID using
values of 00–99. The base ID
switch (x1) is for the ones position
and the extended ID switch (x10) is
for the tens position.
106
IBM Netfinity EXP15, EXP200, EXP500 HMM
Содержание EXP15
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Страница 146: ...IBM Part Number 09N1393 Printed in U S A S1 L 9839 1...