ZyXEL Communications 2864 Series, User Manual, Page: 77 / 267

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