Standalone Configuration - Honeywell ASPIRE-400 System Description, Installation And Maintenance Manual

SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
(1) There are 2 anticipated mutually exclusive application configurations: Standalone and
Dual Safety SATCOM.
(a)
(b)
(2) If the SDU Dual System Disable (DSD) discrete is asserted, the SDU:
(a)
(b)
(c)
B.

Standalone Configuration

(1) In Standalone Configuration, the SDU is always the active SDU, no other SDU is
considered.
EFFECTIVITY
ALL
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ASPIRE-400
Standalone: only one SDU.
Dual Safety SATCOM: 2 SDUs interconnected, but only one can be active and
logged onto safety services at any one time.
Silently Logs off if already logged on.
Disables its RF transmission.
De-asserts its Dual System Select (DSS).
NOTE: This applies for all configurations.
23-15-49
3rd rvw Draft as of:
29 January, 2020
Page 2-20
22 Apr 2019