My ISA E1 card does not work yet. I would like to know if there are other difference bettween then two kind of ISA card?
john
Steve Underwood writes:
Hi John,
That is correct. Note those are VCXO crystals, and not ordinary ones.
They need to have the right pullable characteristics to get reliable
results. If you downlod the info from Dallas for the framer chip they
give some recommendations for off the shelf crystals which will work.
Regards,
Steve
[EMAIL PROTECTED] wrote:
Hi!Steve,
Thank you for your reply. I think the change for Tor ISA card from T1
to E1 might be as following:
T1 E1
VCXO crystals 6.1756MHz 8.192MHz
framer chips DS2151 DS2153
and the jumper E1-1 and E1-2 should be closed.
I don't know if what my suspection is right. So,I need your confirm.
Think you.
john
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