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62
C
HAPTER
6: M
AINTAINING
THE
S
WITCH
4007
Reinstalling the EME
To reinstall an EME module:
1
Before you start the reinstallation process, read
“Safety Precautions” and “Handling Precautions”
earlier in this document.
WARNING:
Hazardous energy levels exist inside of
the chassis. Do not place hands or objects into the
chassis or touch components on an inserted module.
2
Open the module ejector handles.
3
Insert the module into the module guides. Hold the
module horizontally with the LEDs at the left. The
module guides are on the sides of the slot.
CAUTION:
Be careful not to twist or bend the EME
module as you insert it.
4
Slide the EME module into the chassis by pressing
firmly on the front panel.
5
To engage the EME connectors and backplane
connectors, apply pressure to the module front panel
with one hand while you push the ejector handles
inward toward the front panel with your other hand.
You feel a slight resistance as the connectors engage.
CAUTION:
If the resistance is too great, the EME
connectors and backplane connectors may not be
aligned. Forcing the EME inward can damage the
module connectors or backplane connectors. If
necessary, remove and reinsert the EME, ensuring
that the connectors are properly aligned. Do not
tighten the spring-loaded screws to seat the module.
Ensure that the module remains fully seated in the
backplane connector while you close the ejector
handles.
6
To secure the module to the chassis, use a flat-blade
screwdriver to tighten the spring-loaded screws to
Torque Specification 3 to 5 inch-pounds.
CAUTION:
To ensure adequate cooling airflow, install
blank faceplates over
all
empty slots.
Verifying EME Operation
To verify that your EME is operating correctly, watch
the LED status display during system power-on.
shows the sequence of characters that appears in the
LED character display during a successful system
power-on.
If the character display on the EME shows
CARD
when
you power on the EME, an error condition exists:
■
The expansion card is incorrectly installed.
■
The on-board DRAM failed.
If one of these error conditions exists, remove and
reinstall the expansion memory card.
Table 10
LED Character Display During Power-on
Characters in Display Indicate
random characters Power-on has begun.
none (blank display) Power-on continues.
Diag
The EME is running self-diagnostic
tests.
Cksm
The EME is calculating the check-
sum value.
Stby
The EME is in standby mode, if it is
a backup.
Rdy
The EME is active and ready, if it is
a master.