Removing The Ioc - Symmetricom TimeProvider 5000 User Manual

Removing the IOC

You can remove either of two IOCs in a chassis without affecting outputs. If you
need to remove the only IOC in a chassis, or remove both IOCs from a chassis,
outputs are interrupted and will resume once one IOC has achieved normal
operating state.
Removing the Only IOC in a Chassis
To remove the only IOC in a chassis, use the following procedure. Output signals
will be interrupted; they will resume once the IOC has achieved normal operating
state.
1. Save the contents of the IOC memory in the IMC by issuing the following
command:
Type
set configuration backup ioc-to-imc
2. Attach a wrist grounding strap and connect it to the TimeProvider 5000 chassis.
3. Loosen the captive retaining screws and pull out on them to unseat the IOC from
the chassis.
Warning: To avoid possible electrostatic damage to the IOC, place it
in a static-free bag or on a static-free surface.
4. Place the IOC in a static-free bag or on a static-free surface.
Install a new IOC using the appropriate procedure in
385.
Replacing the IOC
This section contains procedures for replacing IOC in three circumstances:
Replacing the only IOC in a chassis

Replacing one of two IOCs in a chassis

Replacing both IOCs in a chassis

Replacing the Only IOC In a Chassis
To replace the IOC in a chassis, use the following procedure. Output signals will
resume once the IOC has achieved normal operating state. This procedure
assumes that you have stored the contents of the IOC memory in the IMC using the
Set Configuration Backup
098-00028-000 Revision F – May, 2012
Chapter 6 Maintenance and Troubleshooting
command.
Repairing the TimeProvider 5000
and press Enter.
Replacing the IOC, on page
TimeProvider 5000 User's Guide 385