Error Control - ZyXEL Communications 2864 Series User Manual

ERROR CONTROL

CONTROL LEVEL
Level
NONE
MNP4
(MNP3)
MNP4 +
MNP5
V.42 (MNP4)
+ V.42(b) +
MNP4(5)
Note: S38.5=1 disables MNP5 with no interference to other settings.
FLOW CONTROL
DISABLED
+ CTS / RTS
LOCAL XON/
XOFF
PASS
XON/XOFF
NEGOTIA(TION) FALLBACK
+ STAYS
ON-LINE
DISCONNECT
BREAK HANDLING
DESTRUCTIVE AT&Y0
+ EXPEDITED
IN SEQUENCE AT&Y2
Error Control
disabled
AT&K0
MNP4
AT&K1
MNP4
AT&K2
V.42 or MNP4
AT&K3
V.42 or MNP4
AT&K4
DTE flow control is disabled.
AT&H0
Hardware flow control CTS/RTS is enabled. (De-
AT&H3
fault)
Local software flow control XON/XOFF is ena-
AT&H4
bled.
reserved.
AT&H5
A non-error control connection is maintained if
AT*E0
error control negotiation fails. (Default)
Disconnects if no error control is established.
AT*E1
Destructive, expedited. Sends break, throws
away data in buffer.
Non-destructive, expedited. Sends break first
AT&Y1
ahead of data in buffer. (Default)
Non-destructive, non-expedited. Sends break in
sequence with data.
6–11
Compression
disabled
disabled
MNP5
disabled
V.42bis based on V.42 or
MNP5 based on MNP4
(Default)