INTOFA-INTOFB syncronization problem

[rhoodey]

2 Act 14 Shelf with 2 INTOFS between(with cost mu)
Problem- ocazionally, sometimes every day, sometimes once a week is a syncronization problem, and at shelf nr.2 the intof 2 leds become red (LK8 and SYC), then turnes off, than again again..).
When i take out the INTOF board and put it back again sometimes the problem solves..for a couple of hours or days.
Help me please
Tnx.

[alex]

You should carefully read latest (R9) docs on synchronization - R9.0 System Documentation/ System Services/PCX Synchronization. They wrote a good doc on that - with all architectures, examples, rules etc.

[OXE_4400]

Have You real problem? I mean loss of shelf?
We have the same problem on few sites, mostly on main link, not stand by.
But customer doesn't feel it.
Sometimes problem dissapear self after few month.