3Com PC Card manual Discard all buffered data immediately

Models: PC Card

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44CHAPTER 5: USING THE MODEM

S42 Bit-mapped. Nonstorable.

Bit 0. Length field in L-SIGNAL (UI) frames (V.25ter only)

0 do not indicate break signal length in UI frame.

1 indicate break length in L_SIGNAL (UI) frames

Bit 1. Break handling option 2 (V.25ter only)

0 ignore breaks from DTE

1 process break (bits 4-5 of S39)

Bits 3-2. TD buffer option when DTE ask for disconnection in V42 mode (V25ter only)

00 Discard all buffered data immediately

01 Attempt until all data is delivered

10 Attempt until all data is delivered or timer expires (timer is set by S38)

Bits 5-4. RD buffer option when remote DCE disconnect in V42 mode (V.25ter only)

00 Discard all buffered data immediately

10 Attempt until all data is delivered or timer expires (timer is set by S38)

01 Attempt until all data is delivered

Bits 7-6. V42bis compression option (V.25ter only)

00 No compression

10 Decompression only

01 Compression only

11 Both direction

 

S43 Break length transmitted to DTE when not specified in UI frame (in 10 ms) (V.25ter

only). Default = 30. Nonstorable.

 

S44 Error Correction in Use. Nonstorable.

0 = No error correction

5 = MNP class 5

2 = MNP class 2

6 = V.42

3 = MNP class 3

7 = V.42 bis

4 = MNP class 4

8 = V.42bis over an MNP link

 

S45 Reserved for internal use. Nonstorable.

 

S46 Fallback Character For Error Correction Negotiation. Value: 0 - 127. Default 13 (ASCII

CR). Storable.

 

S47 XON Character. Value: 0 - 127. Default = 17. Storable.

 

S48 XOFF Character. Value: 0 - 127. Default = 19. Storable.

Page 48
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3Com PC Card manual Discard all buffered data immediately