HP Vectra 520 Guía de instalación Pagina 102

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Hardware installation: Application Module (SNN/SNN-E) 3-47
Meridian MAX
Installation Guide
Product release 8
Replacing the CPU card
Use this procedure to replace the MVME167-34 card in the SNN hardware
platform or the MVME177-005 card in the SNN-E hardware platform.
Note: If you change the CPU card, you must make the LAN aware of
the card’s Media Access Control address. This is done by “pinging” a
known device on your LAN while the Meridian MAX is in product
mode. LAN connections to the Meridian MAX may not work properly
if this address is not known to the LAN. For more information on the
ping process, refer to the Meridian MAX 8 Maintenance and
Diagnostics Guide (NTP 553-4001-811), “LAN link diagnostic tools”
chapter, “Ping” section.
Procedure 3-5
To replace the CPU card
1 Shut down the Meridian MAX software. Ensure that the I/O Port
Reconfiguration on System Restart is enabled.
Refer to the
Meridian MAX 8 Maintenance and Diagnostics Guide
(NTP 553-4001-811), “Maintenance and Administration programs:
system running” chapter, “Shut down the system” section, for
instructions on shutting down your Meridian MAX system.
Refer to the
Meridian MAX 8 Maintenance and Diagnostics Guide
(NTP 553-4001-811), “Maintenance and Administration programs:
system shutdown” chapter, “Restart and Power Down Utilities” section,
for instructions to enable the System Restart feature.
2 Power down the Application Module (AM). The circuit breaker (CB) is
located at the left of the AEM.
3 Locate the existing CPU card that needs to be replaced. Use a Phillips
screwdriver to remove the top and bottom retaining screws which keep
the card in place. Press up on the card’s top release lever while
pressing down on the bottom card release lever. When enough
pressure is applied, the card pushes itself out about a quarter of an
inch. Carefully pull the card out of the slot and set it aside.
4 Take the replacement card from its packaging. Since jumpers are set
and tested in the factory, it is not necessary to change the jumper
settings on the cards.
5 Carefully align the card with the black plastic guides found along the top
and bottom of the VME card cage. Keeping the card level, slide the
card into the card cage until the card is flush with the faceplate of the
AM. Press firmly on the screw at the center of the faceplate to ensure
proper seating.
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