NCLHELP.HLB  —  SNA Peer Server Module, SDLC  Link subentity, show  Characteristics
   Line            local entity    Displays the Modem Connect Line on
                   name            which the SDLC protocol operates.
                                   You must specify a value in
                                   order to enable the link.  For more
                                   information about Modem Connect
                                   Line refer to the DECnet-Plus
                                   Network Control Language Reference.

   Capability      primary |       Displays the capability of the
                   secondary |     Station subentities of this Link
                   negotiable      entity.  Negotiable stations can
                                   become either primary or secondary.
                                   The default is negotiable.

   Configuration   pointtopoint |  Displays whether the Link supports
                   multipoint      only a point-to-point connection or
                                   can also support a multipoint
                                   connection.  Multipoint supports one
                                   or more than one connection.  The
                                   default is pointtopoint. The Peer
                                   Server does not support multipoint
                                   primary connections.

   Connection      nonswitched |   Displays whether the Link supports
   Type            switched        switched or nonswitched connections.
                                   The default is nonswitched.

   Receive         (1-32764)       Displays the maximum frame size
   Frame                           (excluding the header) that can be
   Size                            received on the line represented by
                                   this Link. The default is 1000.

   Reply Timer     (100-60000)     Displays the time (in milliseconds)
                                   to wait for an acknowledgment before
                                   starting the recovery procedure. The
                                   default is 3000.

   Retry           (0-128)         Displays that, when the Link is
   Maximum                         secondary, this is the maximum
                                   number of times a frame is
                                   retransmitted before assuming a
                                   fatal error.  When the Link is
                                   primary, this is the number of times
                                   that a retry will be tried.  The
                                   default is 15.

   Poll Pause      (0-60000)       Displays the time in milliseconds to
                                   pause when the end of the polling
                                   list is reached.  Used only when the
                                   link is primary. The default is 200.

   Service         (1-255)         Displays the maximum number of
   Limit                           regular scans of the Service Order
                                   Table for secondary Stations that
                                   will be made before a special scan
                                   is made.  Used when the Link is
                                   primary.  The default is 4.  Not
                                   used at this time.

   TWA Send        no | yes        Displays whether the Link provides
   Priority                        priority for outbound services when
                                   configured for  Two-Way Alternating
                                   (half-duplex) data transfer in the
                                   multipoint primary mode.  Yes
                                   means that PIUs that arrive for
                                   transmission while data is being
                                   received are transmitted immediately.
                                   No, the default, means that outbound
                                   transmission is strictly determined
                                   by the position of station service
                                   order entries in the service order
                                   table.

                                   This attribute is not relevant to
                                   SDLC point-to-point operations.  Not
                                   used at this time.
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