Users Manual

ALL
EFFECTIVITY
© Honeywell International Inc. Do not copy without express permission of Honeywell.
Page 6-24
22 Apr 2019
23-15-49
SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
ASPIRE-400
(d) The subject name fields.
R. Operational Information Monitoring
(1) The ACD records Security Events, for the following:
(a) Packet drops on Data Arbitration Function
(b) Invalid packets (including reason) received by Secure Gateway VPN.
(2) The ACD records security events for:
(a) Successful authentications; and
(b) Failed authentications (e.g., wireless sessions, SSL/VPN sessions, part
authentications).
1 Relates to SDU authentications (e.g. maintenance logon), not logons to
the network.
2 Including session renewals and protocol failures.
3 It is not necessary to record data for negotiated symmetric session keys,
except for when the authentication fails.
(3) The ACD records security events for changes to User ORT via the Web GUI.
(4) The SDU records Events when historical logs are:
(a) Cleared
(b) Found to be corrupt.
(5) The SDU records an operational event when the mode of operation changes.
(6) The SDU records operational events, when the origin of the navigation solution for any
given label changes.
(7) The SDU records a Fault event when there is no navigation solution.
(8) The SDU records Operational events when the active CMU changes.
(9) The SDU records Fault events when any of the following are true:
(a) No CMU Label 270 is received from a CMU for more than 3 seconds
(b) Bit 16 of the CMU Label 270 word is set to 1 (CMU Failed)
(c) The SSM of the CMU Label 270 received from the CMU is a value other than 00
(Normal Operation) and set the corresponding SDU 270 Mu/CMU Inactive (bit 12
set to 1 to indicate inactive CMU#1 while bit 19 set to 1 to indicate inactive
CMU#2).
(10) The SDU records an Operational event when:
(a) Each type of invasive self-test is initiated including:
1 Normal
2 Rapid
3 Commanded.
(11) The SDU records and Operational event when a new flight leg occurs.
(12) The SDU records an Historical Operational event containing the first tail number received
in a flight leg.
DRAFT
3rd rvw Draft as of:
29 January, 2020