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Table 5-1. Hayes Compatible Commands (continued)
Command
I
I0
I1
I2
I3
I4
L
L0 or L1
L2
L3
M
M0
M1
M2
M3
O
P
Q
Q0
Q1
Q2
CHAPTER 5: Hayes Emulation Mode
Function/Explanation
PRODUCT CODE OR CHECKSUM
Requests product code.
Requests checksum for the modem's software.
(Only a portion of the checksum displayed via
the front panel will be displayed, in decimal
format.)
Requests verification of software checksum.
Requests the following for each EPROM
(programmable memory unit): chip, part and
revision number; checksum.
Reserved.
SPEAKER VOLUME*
Low speaker volume.
Medium volume.
High volume.
SPEAKER CONTROL*
Speaker always OFF.
Speaker ON until carrier is detected.
Speaker always ON.
Speaker OFF during dialing; otherwise ON
until carrier is detected.
FORCED ON-LINE. Forces modem to on-line
state.
PULSE DIAL. No parameters, but the default
is T (for tone dial).
SEND RESULT CODE
Send result codes.
Withhold result codes (quiet).
Withhold result codes for incoming calls only
(quiet answer).
113
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