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Unconfirmed if should be cross over or straight through. One person tests cross over and said it's good, the other said straight through is good.
Sinclair QL BT631W to Male DB9 (which then plugs into your modem's female DB9 port):
1 to 5
2 to 3
3 to 2
4 to 7
5 to 8
6 to 4
