Z0221500ZCO Zilog, Z0221500ZCO Datasheet - Page 47

• 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
&HT
PTT Test
Command
Function and Description
The &HT command causes the modem to transmit tones for Post,
Telephone, and Telegraph (PTT) testing. The test tone is gener-
ated until a character is typed on the modem’s terminal. The
country configuration may disable this command. The modem
returns an ERROR result if this command is issued.
&HT0 –
&HT9
&HT10
&HT11
&HT12
&HT13
&HT14
&HT15
&HT16
&HT17
&HT18
&HT19
&HT20
&HT21
&HT22
&HT23
&HT24
&HT25
&HT26
&HT27
&HT28
&HT29
&HT30
&HT31
PRELIMINARY
DTMF tone for digit n where the command is &HTn .
DTMF tone *
DTMF tone #
DTMF tone A
DTMF tone B
DTMF tone C
DTMF tone D
V.21 Channel 1 mark
V.21 Channel 2 mark
V.23 1200-bps mark
V.23 75-bps mark
V.21 Channel 1 spaces
V.21 Channel 2 spaces
V.23 1200-bps spaces
V.23 75-bps spaces
V.22 ORIGINATE mode
V.22 ANSWER mode
V.22bis ORIGINATE mode
V.22bis ANSWER mode
V.25 CALLING tone
550-Hz GUARD tone
1800-Hz GUARD tone
Silence
Evaluation Board User Manual
Z02215 Single-Chip Modem
UM002304-0802
41