DCP Series Telcon Message Manual - Public Support Login - Unisys

Appendix D
Sense Data
The IBM sense code descriptions in this section are used with the permission of
International Business Machines Corporation. This section also provides information on
sense data specific to Unisys.
SNA sense data is a four-byte field consisting of two bytes of sense code and two bytes of
sense code specific information (see Table D–1). The two-byte sense code consists of a
one-byte category and a one-byte modifier. The information presented in this section is
concerned only with the sense code. For sense code specific information, refer to the
appropriate IBM documentation.
Table D–1. Sense Data Format
Byte 0 Byte 1 Byte 2 Byte 3
Category Modifier Sense code
specific
Sense Code Sense Data
7436 0728–303 D–1