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DSI SS7MD Network Interface Boards Release Notes

Release Notes for *.dc6 code files - V1.12

1 Overview

This is a maintenance release which corrects potential issues which could

cause the board, operating in MTP2 or AAL5 monitoring modes, to lock up in

situations where there are errors on the E1/T1 interface.

This release also includes a correction to operation of MTP2 where an

alignment cycle terminates with Remote Processor Outage.

This is the first full release since V1.10 and is fully backwards compatible with

that release.

1.1 Applicability

This release is necessary for users operating in MTP2 or AAL5 monitoring

modes, and is suitable for all users.

1.2 Resolved Customer Issues

Updates to resolve the following customer issues are included in this release:

IPY00092738.

2 Changes

2.1 LIU errors cause board failure (IPY00092738)

Under certain circumstances, when operating in MTP2 monitoring mode,

reception of over-length frames could cause the board to lock-up. Also when

operating in AAL5 monitoring mode, reception of CRC errors could cause the

board to lock-up. Typically this behavior would have been triggered as a

result of errors or frame slips on the E1/T1 interface. This release corrects

both issues.

2.2 MTP Initial Alignment terminated by RPO

When in the aligned ready state, on receipt of Remote Processor Outage the

link previously transitioned to the In Service state instead of entering the

Processor Outage state. This release corrects the issue.

Dialogic

03-Feb-11

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Dialogic DSI SS7MD Bedienungsanleitung Seite 3