Operation Manual

ARGUS

146

RGUS 125

X.31 Test – Error messages

X.31 Causes

0 to 255 Network See ISO 8208: 1987(E)

Table 5- Coding of the clearing cause field in clear indication packets, page 35

257 ARGUS No answer from network (to a CALL-REQUEST or a CLEAR-REQUEST)

258 ARGUS Unexpected or wrong answer from network

(no CALL-CONNECTED or CLEAR-INDICATION as response to a

CALL-REQUEST)

259 ARGUS The network has indicated in a DIAGNOSTIC message that the logical channel

is invalid.

Origin: No (=1) or a wrong LCN was set.

512 ARGUS It was not possible to determine an internal or external cause.

Origin: Layer 2 could not be setup or remote end does not support X.31

65535 ARGUS X.31 Layer 3 test was not performed. The error can only occur in a test log.

X.31 Diagnostic (only for a cause less than 256)

0 to 255 Network See ISO 8208: 1987(E)

Figure 14A page 121

Figure 14B page 123 et seq.

and/or CCITT Recommendation X.25, Annex E