Event Logs

* Link X Connected

Generated when and end-to-end ISDN call has been established.

* Link X connection rejected

Generated when Link X connection is being terminated as it could not be attached to a remote site. This may be due to usage limits or suspension resumptions.

* Link X - CSU/DSU not responding, Power Cycle Device.

Generated when the IOLINK router cannot establish communications with the CSU/DSU link module. The power must be cycled on the IOLINK router to cause a restart of the CSU/DSU module.

* Link X Disconnect: Y

Generated when the disconnect of an ISDN call is completed. This event is generated on both sides of the ISDN call. The cause will be one of the causes as specified in the CCITT Recommendation Q.931. Causes of “normal call clearing”, “User busy”, and “Number changed” are printed in words, all other are numeric.

Code

Description

001

Unallocated/unassigned number

002

No route to specified transit network

003

No route to destination

004

Channel unacceptable

006

Channel unacceptable

007

Call awarded and being delivered in an established channel

008

Prefix 0 dialed but not allowed

009

Prefix 1 dialed but not allowed

010

Prefix 1 dialed but not required

011

More digits received than allowed, call is proceeding

016

Normal call clearing

017

User busy

018

No user responding

019

No answer from user

020

Circuit operational

021

Call rejected

022

Number changed

023

Reverse charging rejected

024

Call suspended

025

Call resumed

026

Non-selected user clearing

027

Destination out of order

028

Invalid number format

029

Facility rejected

030

Response to STATUS INQUIRY

031

Normal, unspecified

IOLINK-PRO & 520 Reference Manual — A.13

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Perle Systems IOLINK-520 manual IOLINK-PRO & 520 Reference Manual A.13