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T1 Modem Bank
110
&X
n
Sync Transmit Clock Source
Determines how the DTE transmit clock is generated while the modem is in synchronous modes.
*
&X0
:
The modem generates the transmit clock and applies it to pin 15 (EIA-232).
&X1
:
The DTE generates the transmit clock on pin 25 (EIA-232) and the modem applies it to pin 15
(EIA-232)
&X2
:
The modem derives the transmit clock from the receive carrier signal and applies it to pin 15
(EIA-232).
Result Codes:
OK
Returned when 
= 0, 1 or 2.
ERROR
Returned for any other value of 
n
.
&Y
n
Select Stored Profile on Powerup
Selects which user profile will be recalled into the active profile when the modem is powered up.
&Y0
:
Select user profile 0.
&Y1
:
Select user profile 1.
Result Codes:
OK
Returned when 
= 0 or 1.
ERROR
Returned for any other value of 
n
.
&Z
n=x
Store Telephone Number
Stores a dialing string 
x
 in one of four non-volatile memory locations
 n
.  Dialing strings can be up to 36
characters long, including dial modifiers; spaces are not counted.
n=
0-3
x=
0-9, A, B, C, D, #, *, T, P, R, W, @, comma, !, ; (dial string)