DCP Series Telcon Message Manual - Public Support Login - Unisys

Event 2 EVENT/ERROR DETECTED AT L2 (LINK)
UDLCRS
Description: R8: 003C. AE$UD332. (UDLC): IS-->LDS. DM RECEIVED; LOGICAL
DISCONNECT. The local station entered LDS from IS because it received a DM.
Telcon generates this CENLOG.
UDLCRS
Description: R8: 003D. AE$UD200. (UDLC): LDS-->ITS. UA RESP. TO A MODE SET;
LOGICAL CONNECTION. The local station entered ITS from LDS or IS because it
received a MODE SET command (combined or secondary station) or a UA response to
a MODE SET command (primary station). The following categories of event codes
specify device events: The device is a UDLC station as defined by a Telcon station
configuration statement. 112–120: station state change between the logical
disconnect state and the information transfer state. 167–170: station state change
between the initialization state and either the logical disconnect state or the
information transfer state. 100, 122–130, 192: a station-level event that does not affect
the state of the station.
R8: Contents of the SC$SW1 field in the SCB. The SC$ equates are defined in
AAHARDEF. The contents of SC$SW1 are extracted prior to making any
changes required by the event.
R9: Contents of the SC$SW2 field in the SCB. The SC$ equates are defined in
AAHARDEF. The contents of SC$SW2 are extracted prior to making any
changes required by the event.
R10: Contents of the SC$STM field in the SCB. The SC$ equates are defined in
AAHARDEF.
For FRMR related events 99, 117, 118, R10 contains the reason for the FRMR.
These reasons are specified by one or more of the following bits being set in
R10.
Bit 0: Bit 0 is the least significant bit. The control field contained in R15 is
invalid or not implemented.
Bit 1: The control field contained in R15 was considered invalid because the
frame contained an information field that is not permitted with this
frame.
Bit 2: The received information field exceeded the maximum established
capacity of the secondary/combined station.
Bit 3: The control field contained in R15 contained an invalid N(R) number.
R11: LCB address.
R12: Pseudo TCB address so that the STE index to the station information table
can be supplied as though it were the STE index to the terminal information
table.
R13: Control field of the frame received by the local station at the time the event
occurred.
For FRMR related events 99,117,118, R13 contains the third and fourth bytes
of the FRMR information field.
13–8 7436 0728–303