Black Box 32144, Manual

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CHAPTER 5: Hayes Emulation Mode
Table 5-1. Hayes Compatible Commands (continued)
Command Function/Explanation
I PRODUCT CODE OR CHECKSUM
I0 Requests product code.
I1 Requests checksum for the modem’s software.
(Only a portion of the checksum displayed via
the front panel will be displayed, in decimal
format.)
I2 Requests verification of software checksum.
I3 Requests the following for each EPROM
(programmable memory unit): chip, part and
revision number; checksum.
I4 Reserved.
L SPEAKER VOLUME*
L0 or L1 Low speaker volume.
L2 Medium volume.
L3 High volume.
M SPEAKER CONTROL*
M0 Speaker always OFF.
M1 Speaker ON until carrier is detected.
M2 Speaker always ON.
M3 Speaker OFF during dialing; otherwise ON
until carrier is detected.
O FORCED ON-LINE. Forces modem to on-line
state.
P PULSE DIAL. No parameters, but the default
is T (for tone dial).
Q SEND RESULT CODE
Q0 Send result codes.
Q1 Withhold result codes (quiet).
Q2 Withhold result codes for incoming calls only
(quiet answer).