3Com PC Card manual S38, S39, S41

S Registers 43

S38	Reliable Link Delay Before Forced Hang Up. Value: 0 - 255 s. Default = 20. Storable.
S39	Bit-mapped. Storable.
	Bit 0. Upshift rate renegotiations (&E CMD)
	■	0	= Disable
	■	1	= Enable

Bit 1. Downshift rate renegotiations (&E CMD)

■0 = Disable

■1 = Enable

Bits 3,2. Port communications speed (bits/s)

■00 = as set per S23 bits 1,2 and 3

■01 = 115 200

■10 = 230 400

■11 = 460 800

Bit 5,4. Break handling (&I, \K CMD)

■0 = Non-destructive / non-expedited

■1 = Non-destructive / expedited

■2 = Destructive / expedited

Bit 6. EIA loopback test control (&T9, &T10 CMD)

■0 = Ignore EIA loopback test (&T10)

■1 = Process EIA loopback test (&T9)

Bit 7. Auto retrain (&E CMD)

■0 = Disable

■1 = Enable

S40 Inactivity Timer. 0 = Inactivity timer disabled. Value: 0 - 255 minutes. Default = 0. Storable.

S41

Dial Retry. Value: 0 - 10. Default = 0 (No retry). Nonstorable.