Attention delay, Hot sessions mod size, Shared sessions – Visara LINCS Configuration User Manual

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Chapter 3. Line Options

707023-003

Attention Delay

The Attention Delay is an SNA option that allows the control unit to queue inbound data for
a specified period of time before presenting an attention status to request a read channel
program. The option gives the control unit the capability of queuing several read requests
during the delay period and then request one read channel program to transfer all the data,
thereby reducing the number of unsolicited attention status’s presented to the host.

Attention Delay times are in the range of 10 to 99 milliseconds. The default delay time is 10
milliseconds.

This function is supported only for SNA Host Circuit PUs. It is not supported for Gateway
Circuit PUs.

Hot Sessions Mod Size

This option determines whether the defined session is to function as a console that always
appears to the host to be powered on (console function will never roll to an alternate). Only
sessions defined to be Non-SNA consoles should be considered for this option. VTAM devices,
should always be defined with this option disabled. This feature is displayed in the form of a
matrix, with each entry corresponding to a Non-SNA console session. This option always
displays 32 sessions, regardless of the number of sessions defined by the Device Low and
Device High parameters. Entries corresponding to sessions not defined will be ignored.
Numeric values allowed are:

0 = Hot Session is disabled
1 = Mod 2 with EAB support
2 = Mod 2 with EAB support
3 = Mod 3 with EAB support
4 = Mod 4 with EAB support
5 = Mod 5 with EAB support
6 = Mod 2 with no EAB support
7 = Mod 3 with no EAB support
8 = Mod 4 with no EAB support
9 = Mod 2 with EAB support

Shared Sessions

Like the previous option, this one applies only to sessions defined to be Non-SNA consoles,
and should never be enabled for VTAM sessions. When defined as shared, a session may used
by multiple TN3270 Users, with each User able to enter commands into the console session.
The information entered on the command line is visible to only the user entering the command,
but the rest of the screen including the response to an entered command will be made visible
to all Users sharing the session. Entering a value of 1 into the matrix enables that session to be
shared. Leaving the value set to 0, disables session sharing for that particular session. This
feature applies only to TN3270 users.

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