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User's Guide for ZyXEL Omni 56K and Omni 56K Plus Modems
5-19
Command bit dec hex Function and description Ref.
stands for ZyXEL connection)
S14= bit dec hex Bit-mapped register: +002
1 0 0 Grant Remote Digital Loop-back test request. &T4
2 2 Deny Remote Digital Loop-back test request. &T5*
S15= bit dec hex Bit-mapped register. +066
0,1 0 0 Even parity
1 1 Odd parity
2 2 No parity *
2 0 0 1 stop bit *
4 4 2 stop bits
4,3 0 0 10 bit character length *C0*
8 8 11 bit character length *C1
16 10 9 bit character length *C2
24 18 8 bit character length *C3
7-5 0 0 Profile 0 as active settings after power on. Z0
32 20 Profile 1 as active settings after power on. Z1
64 40 Factory default as active settings after power on. Z2*
S16= dec hex Test status register. +000
0 0 No test in progress. &T0
1 1 Analog Loop-back test in progress. &T1
3 3 Local Digital Loop-back test in process. &T3
6 6 Remote Digital Loop-back test in process . &T6
7 7 Remote Digital Loop-back with self-test in process. &T7
8 8 Analog Loop-back with self test in progress. &T8
S17= bit dec hex Bit-mapped register. +022
4-1 0-30 0-1E Set transmit power level from 0 to -15 dBm. (See also
S35b3) (Default *P11)
*Pn
5 0 0 Normal dial. (Default) D
32 20 Reverse dial, go on-line in answer mode. DR
S18= dec hex Force modem to fix baud rate when answering. +000
0 0 Disable fixed baud function.
1-46 1-2E Enable baud rate to be fixed when answering. Baud rate
value settings (n) the same as S20
S19= dec hex Modem connection mode, same +000/&Nn
0-99 0-63 setting value as 'AT&Nn' command.
S20= dec hex DTE speed (bps). Auto detected from AT Command. +001
0 0 230400 bps
1 1 115200 bps (Default)