
Hardware
Hardware Maintenance
SKF Multilog On
-Line System IMx-M
4 - 37
User Manual
channel 8. Refer to DIP Switches on Protection Module for the physical locations of
DIP switches.
5. Insert a new PRM according to the Changing REL or PRM instruction steps 5 and 6.
Note: PRM with firmware version prior to 192 must be pre-configured with the
same configuration (CRC match) as the old PRM.
6. Insert the CMM according to the Changing PSU or CMM instruction steps 4 and 5.
7. Send the configuration to the newly inserted PRM. This can be done via IMx-M
Manager or by synchronizing from @ptitude Observer.
8.
Maintenance View to verify that all channel DIP switches are
set correctly by verifying their individual BIAS/BOV and AC components. Exit the
Maintenance Mode when finished.
9. If all has been verified to satisfaction, and all STATUS Ready LEDs indicate that all
the modules in the rack are configured and running (slow green flash), arm the
rack.
To hot-swap a REL, perform the following steps:
1. Disarm the rack.
2. Remove the REL and insert a new REL according to the instruction Changing REL
3.
When all STATUS Ready LEDs indicate that all the modules in the rack/slots are
configured and running (slow green flash), arm the rack.
To hot-swap a PSU, perform the following steps:
1. Disarm the rack.
2. Remove the PSU that shall be swapped from the rack according to the Changing
PSU or CMM instruction steps 1 to 3.
Warning!
If only one power supply unit is used in the rack, this will mean that the
entire rack will be shut down.
3. Insert a new PSU according to the Changing PSU or CMM instruction steps 4 and 5.
Warning!
If two power supply units are used in the rack, make sure to check the
compatibility of power supply units. Refer to Power Supply chapter.
4.
When all LEDs on the new power supply unit indicates normal operation and no
circuit faults are indicated on other modules, arm the rack.
Important - See also chapter
Relays on Relay Modules" and "Behavior of Slot
Status Relays" for details when shared relays are used.
Important - Hazardous voltages are present in backplane during hot-swap.
Therefore, hot-swap should be done only by trained personnel.