Dropouts when using ADAT as interface

Hello, I have been experiencing drop outs when using ADAT machine as an A to D converter.The setup is this: Motu 828mkII=10 ana inputs, ADAT lightpipe out into Motu828mkII provides 8 more inputs to Logic, now 18 total.The ADAT sync out cable into Motu 828mkII. So far I believe there is nothing else to configure, just select the proper input channel in Logic and whoop there it is.Yes, but I'll be holding a chord on a Moog that is being converted by the ADAT then periodically you hear a quick dropout say 125ms where silence gets recorded to Logic. NOT good. Anyone know of a parameter in Logic or the Motu that must be set in order for this to work properly ?
G5 Dual 2.7 4.5 gb Mac OS X (10.4.9) Logic 7.1.1 motu 828mkII
G5 Dual 2.7 4.5 gb Mac OS X (10.4.9) Logic 7.1.1 motu 828mkII

Since no one has has jumped in here....
If you're using the ADAT as only a set of converters and not transferring from tape, there's no need to attach the
ADAT sync cable. So, do away with that.
I haven't used the MOTU 828MKII before so bear with me.
When using the ADAT as converters...the ADAT has to be the master clock. With RME hardware, I have to manually switch my hardware (using a software applet) to sync to the incoming ADAT lightpipe clock.
Is this something that needs to be done on the MOTU, or does it auto-sync to the ADAT lightpipe clock?
Make sure the 828 is synced to the ADAT and you're not running two independent clocks. Logic/MOTU sampe rate should match the ADAT's sample rate.
pancenter-

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