Z0221500ZCO Zilog, Z0221500ZCO Datasheet - Page 34

• Manufacturer Part Number: Z0221500ZCO
• Description: Z02215 ONE-CHIP MODEM EVAL KIT
• Manufacturer: Zilog

Specifications of Z0221500ZCO

• Main Purpose: Telecom, Modem
• Utilized Ic / Part: Z02215
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Secondary Attributes: -
• Embedded: -
• Primary Attributes: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Using The AT Command Set
Manual
References
OFF
ON
Command Line Format
Entering Command Lines
The following table shows the voltages for the OFF and ON values of
these RS-232 signals.
A command line is a string of characters starting with the
ters and ending with a special end of line character,
0DH
mands can be combined on one line, as long as command lines contain no
more than 40 characters after the
the commands in a command line more than this limit.)
Command lines are typed to the board from the terminal program when
the board is in the IDLE or COMMAND state. The board, however, does
not execute any of the commands in a command line until after the com-
mand line is ended by the end-of-line character,
Typing mistakes can be corrected by using a back space,
after the initial
line can be aborted by typing a
OK
To echo command line characters, issue the
Command lines may contain several commands one after another. The
Answer (
following commands in the command line to be ignored.
result code and ignores the partial AT command line.
). Characters typed before the
A
), Dial (
Table 1. RS-232 Signal Voltages
RS-232 TTL
+5 V
0V
A
and
D
) and Go ON-LINE (
PRELIMINARY
T
characters have been entered. A partial command
Ctrl-X
AT
AT
Evaluation Board User Manual
. (The board does not execute any of
are ignored. Multiple
Z02215 Single-Chip Modem
character. The board returns an
RS-232 Cable
-12 Volts (Mark)
+12 Volts (Space)
O
) commands usually cause any
E1
command.
<RETURN>
<RETURN>
UM002304-0802
<BS>
A
.
AT
and
(
(value
com-
08H
T
charac-
),
28