IBM 3745 Problem Determination Manual page 274

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Problems on One Line' Only (LIC1 to LlC4)
Problems on call request command
Table
9-2.
Call request problems analysis
If on the screen, the STATUS of Perform the following ACTIONS:
the data set lead is:
108/2 (Data Terminal Ready)
OTR OFF (BNN)
108/2 (Data Terminal Ready)
OTR OFF (INN)
RFS (or CTS) OFF
OSR OFF
At the host
Activate the line.
Activate the switched major node.
Perform a V NET,LOGON command if the keywor.d LOGAPPL is not
cod~d
in the switched major node.
At the host
Activate the line:
Activate the switched major node.
Perform a DIAL command.
- Check the DCE.
- Check the DCE configuration.
- Check the DTE-to-DCE cable connection.
At the host Check the NetView generic alerts:
X'FC' CFI Call failure indication Check the line.
X'ES' INV Invalid call
• Check the keyword DIALNOin the PATH statement of
the VTAM* switched major node definition.
Refer to VTAM* Installation and Resource Definitions
(SC23-0111 ).
X'EA' OLC Delayed call Check the line.
X'EC' INC Invalid call Retry.
X'SO' Time out
• Check the line.
• Check the DIALTO= keyword definition in the BUILD
statement of NCP.
• Check the CLOCKNG
=
keyword definition in the LINE
statement of NCP.
• Check the SPEED
=
keyword definition in the LINE
statement of NCP.
Refer to NCP, and EP Reference (LY30-5605).
• Within Start-Stop protocol, check that the modem
configuration is properly defined. (7 data bits plus one
even parity bit.)
BSC format is not supported for the connection phase.
• Check in NCP generation that the keyword V25BIS in
the GROUP and LINE statements has one of the three
followir.lg specifications:
V25BIS = (YES,DLSS). or V25BIS
=
(YES,DLSDLC) or
V25BIS=NO.
Refer to NCP, SSP. and EP Resource Definitions
Reference (SC30-3448).
NetView Error Notification (Generic Alert)
Generic Alerts are information units that are sent to NetView to describe failures.
The follqwing NetView screen lists some possible failure causes.
Chapter 9. LlC and Line Problems (LSS)
9-23