Digi TransPort WR11 User Manual page 607

Configuring legacy protocols
parameter is enabled but no LRC is sent by the terminal, the transaction is not forwarded to
the host.
Include LRC line
This parameter is normally disabled so that any LRCs received from a TPAD terminal will be
removed before the transaction data is transmitted to the remote host. In most cases this is
acceptable because the network will provide error correction and so the LRC is redundant. In
some circumstances it may be necessary to enable this parameter so that the router
transmits the LRC to the remote host along with the transaction data.
Force parity when sending data to the terminal
If enabled, the router always uses even parity when relaying data from a remote host to a
locally connected TPAD terminal. To allow data to pass through without the parity being
changed, disable this setting.
Strip parity when sending data to the host
Enabling this parameter causes the router to remove any parity before sending the data to the
host.
Force parity when sending data to the host
If enabled, the router always uses EVEN parity when relaying data from the locally connected
TPAD terminal to the remote host. To allow data to pass through without the parity being
changed disable this setting.
Strip Trailing Spaces
If enabled, the TPAD instance looks at responses coming from the host and remove any trailing
space characters from the end of the packet before relaying the data to the terminal. This may
be necessary if the host system pads out responses with unnecessary spaces which can cause
abnormal behavior in some terminals.
Acknowledge TPAD data packets
Causes the router to acknowledge TPAD data packets from the terminal. This parameter
should normally be enabled. Use only if no polling characters (see above) are defined.
Convert leading STX character to SOH
If enabled, the router converts the leading STX character in a transaction to an SOH character.
Terminate TPAD call is EOT only
A TPAD call is normally terminated with a DLE EOT sequence. Some terminals only require the
EOT character on its own. If this is the case then enable this parameter.
Clear TPAD call if there is no response to a TPAD transaction request for x
seconds
The length of time, in seconds, the router waits for a response to a TPAD transaction request
before clearing the TPAD call.
Digi TransPort® Routers User Guide
Configure TPAD parameters
607