AM> Total km of 0.4mm Copper with no loading or bridge taps for 1e-7 BER

AM> DCE rate (bps)  2 PCM Channels  1 PCM Channel   Copper Only
AM> 33600           not possible    1.0             3.4
AM> 31200           0.2 (1e-5 BER)  3.2             6.2
AM> 28800           2.7             4.3             7.1
AM> 26400           4.3             4.9             7.7
AM> 24000           6.0             6.6             9.3
AM> 21600                           8.2             9.9
AM> 19200                           8.7             9.9
AM> 16800                           8.9             9.9
AM> 14400                           9.3             9.9
AM> 12000                           9.3             9.9
AM>  9600                           9.3             9.9
AM>  7200                           9.3             9.9
AM>  4800           8.2             9.3             9.9
AM>  2400           8.2             9.3             9.9

AM> Line card used for PCM channels was a universal card from a
"Compact RIM".

Have you tried graphing those ?  Some odd lumps in the 24000-33600 data.

The hard limit at 9.9 with copper only etc is a bit hard to credit too.
@EOT:

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