
166 MultiModemISI Hybrid Series, ISIHI-2S/2U
Appendix
COMMAND DESCRIPTION
#Xn Send Single/Multiple Xoff Characters
&Cn DCD Control
&Dn DTR Control
&En Flow Control
&Fn Factory Profiles
&R CTS Control
&Sn DSR Control
n = 0, 1, or 2
&S0 DSR is always high.
&S1 DSR acts normally (follows state of CD signalgoes high when the ISIHI-2S/2U
detects a carrier signal and goes low when carrier signal is lost)
&S2 DSR always high except on disconnect when it drops for period of time set by
S10; then goes high again
&Vn View Port Parameters
n=0 Display port 0 parameters
n=1 Display port 1 parameters
n=2 Display port 2 parameters
&Wn Store Active Profile
n = 0 or 1
&W0 Stores all current AT command and S-register values in nonvolatile random
access memory (NVRAM) and configures TA to read custom settings in NVRAM
when the modem is turned on or when it is reset with Z command.
(The &F reset command continues to read factory default settings in ROM.)
&W1 Erases your custom settings in NVRAM the next time the TA is turned off or
reset, causing the TA to read the factory default settings in ROM whenever it is
turned on or reset.
&Zn=x Store Telephone Number
n = 09; x = dial string
Allows you to store a telephone number in a memory register for faster dialing. To store a
number, type &Z, the register number (09) where you want to store the number, the =
character, and the dialing string you want stored. Then press ENTER. The dialing string
can have up to 25 characters. To read a stored number, type AT&Zn? (e.g., AT&Z4?)
where n is the number of the register you want to read. To display a list of all numbers
stored in memory, type ATL and press RETURN:
0 14082345678
1 16125551212
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