WARNING!
I know nothing about Xircom except one modem I set up. It seems to be based on the AT&T Chipset, but may on the Rockwell Chipset instead.
AT&FL1NPW2&D3\C1\N4%C%G1"O64 OK ATS7=120S10=30S95=3S133=20\T5 OK
This modem supports speeds up to 33600 baud and behaves strange sometimes.
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