Z0221500ZCO Zilog, Z0221500ZCO Datasheet - Page 58

• 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
Mnemonic Name
X
Call Progress
Function and Description
This command enables of disables the detection of a busy signal or
dial tone during dialing. The X command also limits the result
codes the modem may return when dialing. The operation of the X
command is configurable for operation in specified countries.
X0
X1
X2
X3
X4
The @ and W dial modifiers are not affected by the X command.
The @ dial modifier may return the result codes 8 (NO
ANSWER) or 7 (BUSY) each time it appears in the dial string.
The W dial modifier may return the result codes 6 (NO DIAL-
TONE) or 7 (BUSY) each time it appears in the dial string.
PRELIMINARY
Neither a BUSY signal nor a DIAL tone is detected.
When a telephone line connection is made, the result
code does not indicate the telephone line data rate.
Neither a BUSY signal nor a DIAL tone is detected.
When a telephone line connection is made, the result
code indicates the telephone line data rate.
A BUSY signal is not detected; however, a DIAL tone
is detected. When a telephone line connection is made,
the result code indicates the telephone line data rate.
A BUSY signal is detected; however, a DIAL tone is
not detected. When a telephone line connection is
made, the result code indicates the telephone line data
rate.
Both a BUSY signal and a DIAL tone are detected.
When a telephone line connection is made, the result
code indicates the telephone line data rate. This value
is the default value in North America.
Evaluation Board User Manual
Z02215 Single-Chip Modem
UM002304-0802
52