ZyXEL Communications omni.net Plus - Manual (Page 146)

Technical Reference for ZyXEL omni.net series
A-12
Extended 'AT&' Command Set
All the Following Commands Require a 'AT' Prefix
AT Com. Options Function & Description Reference
&Cn Carrier Detect (CD) options S21b4
&C0 CD always ON (See also S42b7).
&C1 (*) CD tracks presence of carrier (See also S38b3).
&Dn Data Terminal Ready (DTR) options. (See also S25) S21b6-7
&D0 Ignore DTR signal; assume DTR is always ON.
&D1 108.1, DTR OFF-ON transition causes dial of the default
number. (See also 'AT*Dn' and S48b4)
&D2 (*) 108.2, Data Terminal Ready, DTR OFF causes the TA to hang
up.
&D3 Same as '&D2' but DTR OFF causes the omni.net to hang up
and reset from profile 0.
&En B-channel line speed for ISDN data call. S118b2
&E0 (*) 64Kbps
&E1 56Kbps (Default for American ISDN)
&F Load factory settings to RAM as active configuration.
&Hn DTE port 1 Data-flow control, DTE/DCE. S27b3-5
&H0 Flow control disabled.
&H3 (*) Hardware (CTS/RTS) flow control.
&H4 Software (XON/XOFF) flow control.
&Jn Bundle selection (See also S100) S87b5-6
&J0 (*) Bundle connection is disabled.
&J1 Bundle connection is enabled in answer mode only.
&J2 Bundle connection is enabled in call mode only.
&J3 Bundle connection is enabled in both directions.