IBM FlashSystem 900, Service Manual

Page: 255 / 546

3746-900 Control Panel
Explanation of 3746-900 Panel Keys, LEDs and Switches
switches
Refer to Figure 1-17 on page 1-160 for the
location of the keys and switches.
The following three keys allow the operator to
scroll the different options available.
Function key:
The 'Function' key allows you
to scroll through functions (3, 4, 5, 6, 7, 8) in the
display window. On the panel display, the digit of
the selected function starts blinking.
Notes:
1. In 'normal (0)' service mode, pressing the
function key will scroll through functions 3, 4,
6 and 8.
2. In 'maintenance (1)' service mode, pressing
the function key will scroll through functions 3
to 8.
Service Mode Key:
The 'Service mode' key
allows you to scroll through functions (0, 1) in the
display window. On the panel display, the digit of
the selected function starts blinking.
Note: A 'D' is displayed when the SPS card is
under test and no action is allowed on the
3746-900 control panel.
Power Control Key:
The 'Service mode' key
allows you to scroll through functions (1, 3) in the
display window. On the panel display, the digit of
the selected function starts blinking.
Validate Key:
When you press this key, the
digit of the selected function stop blinking and the
action is carried out. A function that is not vali-
dated is de-selected after a time out of 60
seconds.
Exit Key:
Pressing this key cancels the
selected function.
Start Key:
This key allows the operator to put
the 3746-900 in 'Ready' state when in 'Local'
power control mode and 'Standby' state.
Standby Key:
This key allows the operator to
put the 3746-900 in 'Standby' state when in 'Local'
power control mode and 'Ready' state.
General IML Key:
This key allows the oper-
ator to initiate a general reset and IML without
diagnostics.
Warning
Before starting a general IML perform a func-
tion 8. This prevents alarms/alerts beinf sent
from the service processor to 3745 on CBC, or
to ESCON manager on fiber link.
CBSA IML Key:
This key allows the operator
to initiate a CBSA reset followed by a CBSA IML
with diagnostics.
CBSP Dump Key:
This key allows the oper-
ator to initiate a CBSP reset followed by a CBSP
dump.
Ready Indicator:
This indicator is a green
LED. It blinks when the 3746-900 starts to power
ON. It stays ON as soon as the machine is in
power ON state and IML is complete.
Standby Indicator:
This indicator is a yellow
LED. It blinks when the AC is applied on the
3746-900. It stays ON when the Standby state is
reached and turns OFF as soon as the machine is
in power ON state.
CBSA Check Indicator:
This indicator is a
yellow LED. It goes ON when the CBSP card is
diagnosed as being faulty.
Chapter 1. START
1-161