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8–19
S43 Bit-mapped register, default: 8:
S44 Bit-mapped register, default: 0:
(5) 1 32 Disables DATA/VOICE button switch.
(4) 1 16 Disables V.17 fax in calling mode, no effect
on answering mode. (See &N0 and &N32)
(3) 1 8 Disables escape sequence in answer mode.
(2) 1 4 CND message will be forced on even if
ATQ2 is set. (See S40b1)
(1) 1 2 Enables throughput averaging.
(0) Reserved.
Code Bits Bin. Dec. Description
(7) 1 128 The modem hangs up if the line condition
does not permit the modem to run at the
highest speed set by the last AT&Nn com-
mand.
(6,5,4) Reserved.
(3) 0 0 Enables cellular mode.
1 8 Disables cellular mode. (Default)
(2) 1 4 Disables cellular mode Auto Transmit Power
Adjustment. Uses S49b0-3 to set transmis-
sion power.
(1) 1 2 Disables ZyX19200 in Multi-Auto mode.
(0) 1 1 Disables ZyX16800 in Multi-Auto mode.
Code Bits Bin. Dec. Description
(7) 1 128 Enables UK (Australia, Singapore, India)
type 'short-short ring' ringback detection.
(6) 1 64 When selected with &B0, the DTE speed is
fixed at 38400 when the link speed is above
9600; at 9600 if link speed is 7200 and at
link speed if it is below 7200.
When selected with &B1, the DTE speed is
fixed at current rate when an ARQ connection
is made; when a non-ARQ connection is
made, the DTE speed follows the link rate.
Code Bits Bin. Dec. Description