User's Guide

Table Of Contents

DRAFT

Page 4-5

17 Mar 2016

23-15-87

SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL

ARINC 781-500 SDU and SCM

Table 4-5 describes the items available in Menu 3.

D. Operational and Diagnostic Test Procedures

You can perform all test procedures presented in this section to test the total operational status of

the A781-500 system. You can conduct these operational tests for all equipment returned to service

after repair.

The procedures assume that the technical personnel are familiar with the test equipment used and

can operate the equipment to produce the required inputs and obtain the required results

(indications). Refer to the detailed operating procedures and descriptions of the SDU MPU included

in this section.

V: get firmware versions Displays the kernel and application software versions for the Control

Processor, Data I/O Processor, Channel Cards.

C: query loss of cooling

mode

Indicates if loss of cooling mode is active or inactive.

Table 4-5 Menu 3 Item Descriptions

Menu Item Description

F: list call log Lists Classic call logs for the following events:

• Successful Aero Log-on

• Air-to-ground calls accepted by the SDU

• Ground-to-air calls accepted by the SDU

Lists SBB call logs for the following events:

• Attachment or modification of attachment, including change of beam ID

• Creation or deletion of primary or secondary contexts

O: list DIO ORT Lists of ORT items destined for the Data Processor in human readable

form.

Y: verify CP ORT Verifies if file name of the internal copies of the Secure and User ORT

are valid or corrupted.

G: clear call log Clears the call log after a confirmation.

H: list SCM/CP ORT Lists ORT settings and how they were configured (either by default or

through the maintenance port, or via SCM ORT files). “Set by

maintenance port” indicates that the ORT parameter is set by the

maintenance port.

Table 4-4 Menu 2 Item Descriptions (Continued)

Menu Item Description

DRAFT as of

4 Mar 2016