8: Line and Tunnel Settings
EDS1100/2100 Device Server User Guide
56
Table 8-14 Tunnel Accept Mode
5. Click
Submit.
6. Repeat above steps as desired, according to additional tunnel(s) available on your product.
Tunnel – Connect Mode
Connect Mode defines how the device makes an outgoing connection through a specific tunnel.
When enabled, Connect Mode is always on and attempting a network connection if the connection
mode condition warrants it. For Connect Mode to function, it must:
Be enabled
Have a remote host configured
Have a remote port configured
Tunnel - Accept Mode
Settings
Description
Mode
Select the method used to start a tunnel in Accept mode. Choices are:
Disable
= do not accept an incoming connection.
Always
= accept an incoming connection (
default
)
Any Character
= start waiting for an incoming connection when any character
is read on the serial line.
Start Character
= start waiting for an incoming connection when the start
character for the specific tunnel is read on the serial line.
Modem Control Asserted
= start waiting for an incoming connection as long
as the Modem Control pin (DSR) is asserted on the serial line until a
connection is made.
Modem Emulation
= start waiting for an incoming connection when triggered
by modem emulation AT commands. Connect mode must also be set to
Modem Emulation.
Local Port
Enter the port number for use as the local port. The defaults are port 10001 for
Tunnel 1. Additional tunnels, if supported, increase sequentially.
Protocol
Select the protocol type for use with Accept Mode. The default protocol is TCP. If
you select TCP AES you will need to configure the AES keys.
TCP Keep Alive
Enter the time, in seconds, the device waits during a silent connection before
checking if the currently connected network device is still on the network. If the
unit then gets no response after 8 attempts, it drops that connection.
Flush Serial Data
Select Enabled to flush the serial data buffer on a new connection.
Block Serial Data
Select On to block, or not tunnel, serial data transmitted to the
device.
Block Network
Select On to block, or not tunnel, network data transmitted to the
device.
Password
Enter a password that clients must send to the device within 30 seconds from
opening a network connection to enable data transmission.
The password can have up to 31 characters and must contain only alphanumeric
characters and punctuation. When set, the password sent to the device must be
terminated with one of the following: (a) 0x0A (LF), (b) 0x00, (c) 0x0D 0x0A (CR
LF), or (d) 0x0D 0x00.
Email on Connect
Select whether the device sends an email when a connection is made. Select
None if you do not want to send an email. Otherwise, select the Email profile to
use for sending.
Email on Disconnect
Select whether the device sends an email when a connection is closed. Select
None if you do not want to send an email. Otherwise, select the Email profile to
use for sending.
