When an abnormal condition occurs – IBM SC33-1683-02 User Manual
Page 491

**********************************************************************
**
Header
**
**
These fields are READ ONLY
**
**********************************************************************
NEPCAHDR DS
0XL4
Standard Header
NEPCAFNC DS
XL1
Function Code
Always '1'
NEPCACMP DS
XL2
Component Code
Always 'ZC'
DS
XL1
Reserved
**********************************************************************
**
Error_being_processed
**
**
Identity of terminal and the error code associated with it
**
**
These fields are READ ONLY
**
**********************************************************************
TWAEC
DS
XL1
Error Code
DS
CL3
Reserved
TWANID
DS
CL4
Terminal identity
TWANETN DS
CL8
Netname
**********************************************************************
**
User option bytes
**
**
Initially set to the default actions.
**
**
DFHZNEP can change the defaults.
**
**********************************************************************
TWAOPTL DS
0XL3
User option bytes
TWAOPT1 DS
XL1
User option byte 1
TWAOPT2 DS
XL1
User option byte 2
TWAOPT3 DS
XL1
User option byte 3
DS
XL1
Reserved
Figure 25. The DFHZNAC/DFHZNEP communication area (Part 1 of 3)
when an abnormal condition occurs
Chapter 9. Writing a node error program
459