Serial Port Profiles

DTR Signal Acts as

RI

RTS Signal Always On

RTS Signal Acts as

DCD

RTS Signal Acts as

RI

DCD Signal Always On

DCD Signal On when host connection established

Specify this option to make the DTR signal always act as a RI signal.

Default: Disabled

Specify this option to make the RTS signal always act as a RTS signal.

Default: Enabled

Specify this option to make the RTS signal always act as a DCD signal.

Default: Disabled

Specify this option to make the RTS signal always act as a RI signal.

Default: Disabled

When you configure the DTR or RTS signal pin to act as a DCD signal, enable this option to make the DCD signal always stay on.

Default: Enabled

When you configure the DTR or RTS signal pin to act as a DCD signal, enable this option to make the DCD signal active only during active communication.

Default: Disabled

Additional modem You can specify additional virtual modem commands that will affect how

initialization virtual modem starts. The following commands are supported: ATQn, ATVn, ATEn, +++ATH, ATA, ATI0, ATI3, ATS0, AT&Z1, AT&Sn, AT&Rn, AT&Cn, AT&F, ATS2, ATS12, ATO (ATD with no phone number), and ATDS1.

See Appendix C, Virtual Modem AT Commands on page 361 for a more detailed explanation of the support initialization commands.

Enable Message of When enabled, displays the Message of the Day (MOTD) when a successful the Day (MOTD) virtual modem connection is made.

 

Default: Disabled

Enable TCP

Enables a per-connection TCP keepalive feature. After the configured number

Keepalive

of seconds, the connection will send a gratuitous ACK to the network peer,

 

thus either ensuring the connection stays active OR causing a dropped

 

connection condition to be recognized.

 

This parameter needs to be used in conjunction with Monitor Connection

 

Status Interval parameter found in the Serial, Advanced, Advanced Settings

 

tab. The interval specifies the inactivity period before "testing" the connection.

 

Default: Disabled

AT Command

The amount of time, in milliseconds, before an AT response is sent to the

Response Delay

requesting device.

 

Default: 250 ms

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Perle Systems 5500161-40 manual DTR Signal Acts as RTS Signal Always On RTS Signal Acts as, AT Command, Response Delay