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Chapter 3: Connection Methods, Attributes and Configurable Features
17
Destination IP
Port
(Used only when Allow Outgoing Calls is enabled.) Specifies the IP port number to be used
when an ATDT modem command is entered without an IP port. Valid values are 1024-65535.
The default value is 5001 for port 1, 5002 for port 2, 5003 for port 3 and 5004 for port 4.
Echo
Enables or disables echo mode. When enabled, modem commands are echoed to the
attached serial device. When disabled, modem commands are not echoed. (This option
affects only modem commands, not session data.)
The default value is enabled.
This option is equivalent to an ATE modem command. If an ATE command is issued with a
different value, the new value will be used during that connection but it will not replace this
configured value. The configured Echo value will be used for subsequent connections.
Verbose
Response
Specifies whether text or numeric codes will be sent to the serial device in response to
modem AT commands and how unknown commands will be handled. Valid values are:
ATV0 - text codes will be used; unknown commands will cause an error
ATV1 - numeric codes will be used; unknown commands will cause an error
ATV2 - numeric codes will be used; unknown commands will be discarded
ATV3 - text codes will be used; unknown commands will be discarded
The default value is ATV0.
Table 3.7 on page 20 lists the numeric and text codes.
This option is equivalent to issuing an ATV modem command. If an ATV command is issued
with a different value, the new value will will be used during that connection but it will not
replace this configured value. The configured Verbose Response value will be used for
subsequent connections.
Response
Codes
Specifies whether response codes will be displayed on the serial device. Valid values are:
ATQ0 - response codes will be displayed (enabled)
ATQ1 - response codes will not be displayed (disabled)
The default value is ATQ0 (enabled).
This option is equivalent to issuing an ATQ modem command. If an ATQ command is issued
with a different value, the new value will be used during that connection but it will not replace
this configured value. The configured Response Codes value will be used for
subsequent connections.
Monitor DCD
Enables or disables monitoring of the DCD signal. When enabled, if the inbound DCD signal
is logically low, the ESP hub will not allow the TCP session to be created. If the inbound DCD
signal changes from logically high to low while a session is active, the connection will
be closed.
The default value is disabled.
Serial
buffering
Specifies the length of time accumulated serial data should be buffered before being sent to
the remote server. Valid values are 0-65535 hundredths of a second. A 0 value indicates that
data will be sent as soon as it is available.
For example, a value of 100 indicates that once serial data is received, it will remain buffered
up to 1 second (100 hundredths of a second), at which time all data will be sent.
If the buffer becomes half full, the time is ignored and the data is sent.
The default value is 0 (send immediately).
Table 3.5: Modem Emulation Connection Method Configurable Items (Continued)
Item Description