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User's Guide for ZyXEL Omni 56K and Omni 56K Plus Modems
5-21
Command bit dec hex Function and description Ref.
3 0 0 DSR is always ON. (Default) &S0
8 8 According to CCITT. (see also S44.4, S41.5) &S1
4 0 0 CD is always ON. &C0
16 10 CD tracks presence of data carrier. (see also S38.3)
(Default)
&C1
5 0 0 CTS Follows RTS in synchronous mode. Response
delay set in S26.
&R0
32 20 Ignore RTS (CTS always ON) in
synchronous mode. (Default)
&R1
6-7 0 0 Assume DTR always On. &D0
64 40 108.1, DTR OFF-ON transition causes dial of the default
number.
&D1
128 80 108.2 Data Terminal Ready, DTR OFF causes the
modem to hang up and return to command state.
(Default)
&D2
192 C0 108.2, DTR OFF causes the modem to hang up and
reset the modem to profile 0 after DTR dropped.
&D3
S23= bit dec hex Bit mapped register. +105
0 0 0 Command echo disabled. E0
1 1 Command echo enabled. (Default) E1
1 0 0 Tone dial. (Default) T
2 2 Pulse dial. P
2 0 0 Pulse dial make/break ratio = 39% / 61% (Default) &P0
4 4 Pulse dial make/break ratio = 33% / 67% &P1
3-5 0 0 ATX0 (See result code table) X0
8 8 ATX1 X1
16 10 ATX2 X2
24 18 ATX3 X3
32 20 ATX4 X4
40 28 ATX5, error control result code is enabled. (Default) X5
48 30 ATX6, error control result code is enabled. X6
56 38 ATX7, error control result code is enabled. X7
6 0 0 Display result code in numeric format. (see S35.7) V0
64 40 Display result code in verbose format. (Default) V1
7 0 0 Modem returns result code. (Default) Q0
128 80 Modem does not return result code. (see also S40.1) Q1
S24= bit dec hex Bit mapped register.
6-4 16-
112
10-70 Speaker volume control, increments of 16 in decimal
value.
L0-7