Diagnostic Messages

X.25 Diagnostic Messages

Table C-8

DTE-Specific Signals (Continued)

 

 

 

 

 

 

162

 

DTE not

Either level 3 or level 2 detected as

 

(CLEAR,

operational.

down. Request delivered when

 

RESET)

 

network interface was not operational.

 

 

 

 

Condition usually results in an error

 

 

 

 

returned to the application instead of

 

 

 

 

CLEAR. Diagnostic is used when

 

 

 

 

RESTART INDICATION has been

 

 

 

 

received by interface. Interface is

 

 

 

 

going down. RESTART REQUEST

 

 

 

 

was sent on network.

 

 

 

 

 

 

163

 

DTE

Lack of memory to establish, reset, or

 

(CLEAR,

resource

clear a call, to process data, expedite

 

RESET)

constraint.

data or acknowledgments, or to

 

 

 

 

perform internal operation. This may

 

 

 

 

indicate lack of network memory, or

 

 

 

 

resource constraints on card. When

 

 

 

 

resource constraint appears on

 

 

 

 

connected circuit, CLEAR will be sent

 

 

 

 

only if no recovery is possible.

 

 

 

 

 

 

164

 

Fast select

CALL INDICATION requiring fast

 

(CLEAR)

not

select facility has been received and

 

 

 

subscribed.

fast select is not configured. Results in

 

 

 

 

error when detected on CALL

 

 

 

 

REQUEST.

 

 

 

 

 

 

225

 

Disconnectio

X.25 subsystem is down when

 

(CLEAR)

n (transient

X.25/9000 to IP subsystem is servicing

 

 

 

condition).

CALL CONFIRMATION or incoming

 

 

 

 

DATA.

 

 

 

 

 

Table C-9OSI Network Service Problem

 

 

 

 

 

 

Diagnostic

 

ISO

Explanation

 

 

Description

 

 

 

 

 

 

 

 

 

260

Appendix C