Z0221524ASGR50A5 Zilog, Z0221524ASGR50A5 Datasheet - Page 53

• Manufacturer Part Number: Z0221524ASGR50A5
• Description: IC MODEM CONTROLLER 44-LQFP
• Manufacturer: Zilog

Specifications of Z0221524ASGR50A5

• Data Format: V.21, V.22, V.23, Bell 103, Bell 212A
• Baud Rates: 2.4k
• Interface: Serial
• Voltage - Supply: 4.5 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 44-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Blacklisting Management
Technical Specifications
PS001907-0904
Configurations and Data Rates
Data Encoding
Blacklisting applies separately to each number dialed, and indicates the call block-
ing capability for specific phone numbers. To minimize RAM, calls are treated as if
they are all to the same number.
The first connection attempt after modem reset or a successful connection is
always allowed. If a connection attempt is not successful, then each following con-
nection attempt is checked as follows:
The following Blacklisting parameters can be controlled through Diplomat
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The Z02215 can be configured to any of the V.22bis operation modes. Table 9
provides the selectable options, the supported data rate, and the baud rate, and
frequency to be modulated.
The data encoding for the Z02215 meets ITU–T recommendations as well as Bell
standards.
a. If voice answer was detected too many times the attempt is not allowed,
b. If the attempt occurred too quickly (within the inter-call timing period) then
c. If there is a blacklisting period limiting the number of attempts that may be
Minimum delay in seconds between successive dial attempts
Number of successive dial attempts after which (c) applies
Minimum delay in seconds between successive dial attempts after (b)
unsuccessful dial attempts
Maximum number of dial attempts permitted in a series of dial attempts
Blacklisting period in minutes for each series of dial attempts
the modem returns a BLACKLISTED result code.
the attempt is not allowed, and the modem returns a DELAYED result
code.
made within the period, and too many attempts are made, then the attempt
is not allowed, the modem returns a DELAYED (if a call may be made
later) or BLACKLISTED result code (if no calls may be made later).
Single Chip Modem with Integrated Controller, Data Pump, and AFE
Blacklisting Management
™
Z02215
:
47