User Manual
AFIRS 228S Iridium Global Communications System Installation Manual
16 July 2014 L-3 Aviation Recorders Proprietary Page 10
165E5733-00 Rev. 03
Acronym Definition
PC Personal Computer
P/N Part Number
PSTN Public Switched Telephone Network
PTT Push To Talk
RMS Root-Mean-Square
RTS Request To Send
RTCA Radio Technical Commission for Aeronautics
RX Receive
SAL System Address Label
SATCOM Satellite Communications
SCM SDU Configuration Module
SDI Source/Destination Identifier
SDU Satellite Data Unit
SIM Subscriber Identity Module
SSA Safety Service Application
SSM Signed Status Matrix
SW Software
TIA Telecommunications Industry Association
TNC Threaded Neill–Concelman
TP Top Plug
TX Transmit
TSO Technical Standard Order
UAT User Access Table
UTC Coordinated Universal Time
VAC Volts Alternating Current
VDC Volts Direct Current
WPS Words Per Second