Need help with unidentified card.

["Dave Warren" <dwarren@tds.net>]

I bought an Apple 2e today with 4 cards installed. I know what
the first 3 are. But I can't find any information on the last.

It has X-RONN 4.1D wrote on it, a 20 pin connector, 2 size N
batteries and 1 jumper.

A few of the chips and what information I could find on them are

8629mbx - ???
mc6850p - Asynchronous communication interface adapter
mc6821p - Parallel interface adapter
tp5089n - DTMF
mt8870be - DTMF decoder
There are about 6 - 8 other small chips.

It sounds like maybe a modem card. But I hope someone
can give me some more information on it.

Thanks,
Dave Warren