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Dialogic

DSI Signaling Server SGW Mode User Manual Issue 5

Chapter 8: Alarm Fault Code Listing

A system operator can obtain a listing of the current alarm status (class, category and ID) of a Dialogic

DSI

Signaling Server using the ALLIP management terminal command described in Section 6.4.4, “ALLIP” on

page 51 or a log of current and cleared alarms using the ALLOP management terminal command described in

Section 6.4.5, “ALLOP” on page 52. Table 10 details the possible alarm types accessed by the ALLIP

command. Alarm status/events may also be accessed/reported by front panel LEDs, relay connections and

SNMP, as described in Section 1.9.6, “Alarm Log” on page 14.

Note: The meaning of individual event codes (in particular, the coding of the DIAG field) may be

changed in subsequent releases of the Signaling Gateway software without prior notification.

Table 10. Alarm Fault Codes

Severity

(LED)

CODE Name Event Description CATEGORY ID Class

†

DIAG

Critical

(CRT)

11 Link set fail

All signaling links in an SS7 signaling link set

have failed. Usually due to incorrect

configuration (Point Codes or signaling

timeslots), connectivity fault or inactive

signaling terminal at the remote end.

SIG LS 3 0

Critical

(CRT)

12 Board failure

The Signaling Gateway has detected a fault

with a signaling processor. This may either be

due to a faulty signaling processor board or

due to the Signaling Gateway performing a

controlled shutdown of a signaling processor

following persistent overload of the processor

in order to prevent the overload affecting the

remainder of the system. Usually due to faulty

board (which can be confirmed by changing

SS7 links to an alternative processor board

using the C7LSC command) or unusual

signaling conditions which may be due to

incorrect configuration or a mismatch of

configuration between the Signaling Gateway

and the remote end. This alarm condition can

only be cleared by manual intervention, the

user should block and unblock the affected

board.

Note that a Processor Fail entry always

appears in the alarm log when a board is

unblocked, this condition is identified by an

event with identical Occurred and Cleared

times.

SYS BPOS 30

Critical

(CRT)

14 Self Test fail

The Signaling Gateway has detected a self

test failure which prevents normal operation.

SYS 0 3 0

Critical

(CRT)

18 Alarm Test 3

This event indicates that the user has invoked

the alarm test for alarm class 3 using the

ALTEI command.

SYS 0 3 0

Critical

(CRT)

32 Overload

The Signaling Gateway has detected the onset

of an internal overload condition. This is

usually due either to exceptionally high traffic

rates or failure conditions causing additional

invocation of maintenance procedures. During

overload the Signaling Gateway will continue

to operate as normal. Should the condition

occur on a frequent basis (for example, during

the busy hour every day) the condition should

be reported to your support representative.

SYS 0 3 0

Critical

(CRT)

41 All RDC fail

Failure of communication with all remote data

centers. Continuous records are written to

hard disk or discarded as appropriate. Periodic

report data is discarded.

SYS 0 3 0

Critical

(CRT)

46 Hard disk fail

Interaction with the hard disk is no longer

possible. No further use of the hard disk is

attempted until the system is restarted. The

most likely cause is a physical failure of the

hard disk drive.

SYS 0 3

Diagnostic

code

† The “Class” column provides the initial default setting of the alarm class for each fault code. The alarm class for any particular alarm code

is configurable using the ALCLS command and can be viewed using the ALCLP command. Changing the alarm class for an event type changes

the Severity indicated by the LEDs and/or relays.

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