IS> "9.2.3  Maximum number of octets in an information field (N401)

 IS> N401 governs the maximum number of octets that can be carried in the
 IS> information field of an I frame, an XID frame, a UI
 IS> frame, or a TEST frame transmitted by an error-
 IS> correcting entity.  The default value of N401 shall
 IS> be 128 octets for both directions of data
[..]
 LD> Ok,  my modem can tell me this stuff, so what is it saying?

 LD> Netcomm 336 to Austel Courier:

 LD> XID tx:  TEST max info tx =256 max info rx=256 tx win=15 rx win=6
 LD> XID rx: 82800013 Options:  RN401 244 TN401 244 RK 15 >> 6 TK 6
                                ^^^^^^^^^^^^^^^^^^^
Looks like it's using a N401 rx/tx values of 244 octets ..

 LD> V42bis P1:2048 V42bis P2:32

.. with a V.42bis dictionary size of 2048.  Not sure about the P2, or the
other values quoted.  I'd guess R/TK might relate to window size, maybe?

 LD> Netcomm 336 to Netcomm 336:

 LD> XID tx:  TEST max info tx =256 max info rx=256 tx win=15 rx win=6
 LD> XID rx: 82800013 Options:  TEST  RN401 256 TN401 256 RK 6 TK 6
                                      ^^^^^^^^^^^^^^^^^^^
Looks like this is 256 either way ..

 LD> V42bis P1:8192 V42bis P2:250

.. with an 8K compression dictionary, which is big.  But what's this P2?

How would you rate the relative performance, subjectively, of the two pairs?

Ian

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