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AT Commands
Permissive / Programmable %Z
For dial-up operation the modem transmitter output can be set in two
different modes of operation. In permissive (RJ11 jack), transmit output
level is set to -9 dBm. To set the modem for permissive mode enter the
%Z command. In programmable (RJ45 jack) operation, the transmit
level is set by an external program resistor. This mode is selected with
%Z1.
Command
%Z
%Z1
* default
Note
Selecting programmable jack (RJ45) without a program-
mable jack causes the transmit level to be -12 dBm.
Talk / Data *DA
The *DA commands select talk or data mode.
Command
*DA
*DA1
* default
V.32 Fast Train *FT
The V.32 fast train option is used to reduce training time when operating
over high quality, limited distance dial or 2-wire leased lines.
Command
*FT
*FT1
* default
Incoming Call *IC
The *IC command causes the modem to disregard an incoming call.
5-32
RJ11 (permissive) *
RJ45 (programmable)
Switches modem to talk *
Switches modem to data
Operation
Disable fast train *
Enable fast train
Operation
Operation
V.3400
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