Specifications

Filename: sa37010.doc Title: HP-Print2k.dot
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Initialization
Many communications programs react to the default settings when started. This
is usually achieved by the ATZ command and initializes your modem for correct
operation. Many programs are developed for worldwide use and generally use
the ATZ command; however, some programs have built-in modem configuration
utilities and these should not be used unless you can confirm that they are
compatible with Australian and New Zealand requirements.
If your program does not use the ATZ command to initialize, but instead sends a
complex string of characters, then it must be configured to send the correct string
for Australia and New Zealand. The correct initialization string is (spaces should
not be entered; they are to make it easier to read):
AT &F T /N6 S6=3 S7=45 % L=7 &Y0 &W0
Once you have entered this command string, it is written to the internal memory
of the modem and the default configuration.
Dialing
The modem supports both pulse and tone dialing in Australia and only tone
dialing in New Zealand. New Zealand users please note that if pulse dialing is
selected, then wrong numbers will be dialed, as the reverse numbering scheme is
not supported. There are several dial string modifiers referred to in the main users’
manual, and we suggest that they be used with caution to avoid problems when
making calls.
Automatic Answering
To conform with Austel and Telecom New Zealand requirements when
configuring your modem for auto-answering, please do not set the SO register to
values less than 2 or greater than 10 (Note: ATSO-O will disable auto-answering).
Pre-configured software should be checked and changed as necessary. These
settings ensure:
■
A person calling your modem will hear a short burst of ringing before the
modem answers. This confirms that the call has been successfully switched
through the network.
■
Caller identification information (which occurs between the first and second ring
cadences) is not destroyed.
Automatic Multiple Dialing Attempts
Most communication software can be configured to make automatic dialing
attempts to a telephone number that is busy or not answering (automatic redial
function). The maximum number of all attempts that can be made in one sequence
must not exceed the numbers shown in the following table. If your program makes
continuous automatic dialing attempts or more than the number in the table, and
it cannot be changed, an alternative program must be used or automatic dialing
disabled. There is no limit for manually initiated dialing attempts.
Country/
region
Number of attempts
per sequence
Pauses between
attempts (seconds)
Pauses between
sequences (minutes)
Australia
New Zealand
10
10
3
60
30
60