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User's Guide for ZyXEL Omni 56K and Omni 56K Plus Modems
5-18
S-Register Descriptions
In most bit-mapped S-registers, the default bit value is 0. Non-0 default values are followed by an
asterisk. In some cases, default values are shown in the reference column preceded by +. Some bits
are reserved for factory use and should not be changed.
Basic S-Registers "ATSn=x"
Command Function & Description +Ref.
S0= Sets the number of rings on which the modem will answer. 0 value disables
auto-answer.
+000
S1= Counts and stores number of rings from an incoming call. +000
S2= Defines escape code character, default ‘ +’ (43 dec.). A value of 128-255
disables the escape code.
+043
S3= Defines ASCII Carriage Return. +013
S4= Defines ASCII Line Feed. +010
S5= Defines ASCII Backspace. A value of 128-255 disables the Backspace key’ s
delete function.
+008
S6= Sets the number of seconds the modem waits before dialing if ‘ X0’ or ‘ X1’ is
selected. If a setting of ‘ X2,’ ‘ X7’ is selected, the modem will dial as soon as it
detects a dial tone. This register also sets the time-out interval for the “ W” dial
modifier to wait for the dial tone. (See also S41b4)
+003
S7= Sets duration, in number of seconds modem waits for a carrier. +060
S8= Sets duration, in seconds, for pause (,) option in Dial command and pause
between command re-executions for Repeat (>) command.
+002
S9= Sets duration, in tenths of a second of remote carrier signal before
recognition. (Ignored if in non-FSK or half-duplex operation)
+006
S10= Sets duration, in tenths of a second, modem waits after loss of carrier before
hanging up.
+007
S11= Sets duration and spacing, in milliseconds, of dialed Touch-Tones. +070
Table 22. Basic S-Registers "ATSn=x"
Command bit dec hex Function and description Ref.
S13= bit dec hex Bit-mapped register. +000
1 2 2 Capture modem manufacturer information during V.42
handshake, can be displayed at ATI2 <Last
Speed/Protocol> line if available (‘ Flash’ or ‘ ZyXEL’