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+&FH
Fallback during V. 32/V.32 bis handshake
Commands: +&FHO, +&FH1
This command applies to fallback during a V.32/V.32 bis
handshake only. The modem will decide if the line speed should
be 4800, 7200, 9600, 12000 or 14400 bps. The command will
not affect fallback in data mode. Automatic speed detection has
to be enabled (See +M command).
T+8FHOpie|
AT+&FHigt|
Fallback during handshake disabled
Fallback during handshake enabled.
See the function in chapter 13, "Fallback"/"faliforwara".
+&FR
Automatic retrain
Commands:
+&FRO, +&FR1
all.
«| Automatic retrain disabled.
: Aulomalic retrain enabled if fallback is
disabled.
"See the function in chapter 13, "Fallback"/'fallforward'.
+&FV
Enhanced fallback
Commands:
+&FV0, +&FV1
AT+&FVOpte|
Fallback inside modem standard only.
Assuming +&FB1 is on. From 14400 to 7200
bps (V.32 bis), 9600 to 4800 bps (V. 32) and
from 2400 to 1200 bps (V. 22 bis). Assuming
- { +&FB1
is on.
"| Additional fallback between modem
standards. (Assuming +&FB1
is on). This is
only possible against a similar modem type.
"See the function in chapter 13, "Fallback'/"fallforward".
LZTR104006 R1.00
3-19
Zat 14.4/14.4-7 and Zat 19.2/19.2-7
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