Insys Modem 56k 4.1 m/UL 11-02-01-01-40.022 Manuale Utente
Codici prodotto
11-02-01-01-40.022
Configuration
INSYS Modem 56k UL
12 Juni
05
Command Description
ATP
Select pulse dialing
ATT
Select tone dialing
AT%Q
Display phone connection quality
ATS0 auto
answer
AT+VCID
set caller ID (INSYS Modem 56k only)
AT+VRID last
received
caller
ID (INSYS Modem 56k only)
AT\V connect
messages
ATX
Extended result reporting, dial tone detection
AT%L
Display level of received signal
AT&Z
Store phone numbers
A comprehensive description of all AT commands and parameters is available in the ad-
dendum „command overview“.
dendum „command overview“.
4.4 Access Protection
4.4.1 Password Protection
With password set the modem is protected from unauthorized access
•
for incoming data connections
•
for remote control
•
for security callback
4.4.2 Security Callback
When the modem answers an incoming call the message “CONNECT” is followed by the
messages “SECURITY CALLBACK” and “REMOTE PASSWORD:”.
messages “SECURITY CALLBACK” and “REMOTE PASSWORD:”.
•
If the password is wrong the modem immediately disconnects and stops an unau-
thorized access.
thorized access.
•
If the password is correct the modem reports "OK" to the calling terminal, disconnects
and dials the phone number specified after 10 seconds. Up to 3 call attempts are exe-
cuted with 10 seconds breaks in between.
and dials the phone number specified after 10 seconds. Up to 3 call attempts are exe-
cuted with 10 seconds breaks in between.
•
2 seconds after the connection the message “CALLBACK IN PROGRESS” is sent by the
calling modem and the serial line is released for a standard data connection.
calling modem and the serial line is released for a standard data connection.
Outgoing calls are not influenced by the security callback functionality.