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decimal ID of the calling or called terminal on the
aircraft numbered from 00 to 99 decimal. The first 10 terminal
addresses (00-09) shall be resewed for ATS application.
4.8.8.2.2.1 AES circuit-mode services shall maintain a
private, 100 entry terminal ID address space specific to all
AMS(R)S safety terminals on an aircraft. Use of this address
space, as opposed to the parallel address space for non-safety
services, shall be inferred by AES circuit-mode services by the
associated priority of the call attempt.
Annex 10 - Aeronautical Telecumntunicatiotrs Volume 111
4.8.8.2.2.2 Recommendation.- Subsequent mutual
agreement by aircrafi manufacturers and AT$ administrations
should provide for the assignnient of aircraft terminal ID "00"
as the default destination. for all ground-originated safety voice
calls to an aircraft. Flight deck audio management systems
should associate any incoming call directed to this terminal ID
with an appropriate available audio channel on the flight deck
(e.g. "SATCOM 1" or "SATCOM 2" on a-flight deck audio
panel). Terminal IDS "05" to "09" should be reserved for the
future application ~ffacsimiled evices or other types of digital
terminals.
4.8.8.3 TERRESTRIANLUM BERING
4.8.8.3.1 Ground destination address. All terrestrial
addresses shall be 10 digits in length so as to simplify address
.analysis in the GES and intervening terrestrial networks.
4.8.8.3.1.1 Address analysis. Numbering of individual
ground destinations shall consist of the following digit
sequence:
a) a digit "8";
b) a three digit country code signifying the destination
State;
c) a three digit facility code signifying the destination
facility within the destination State. The code values to
be assigned to individual facilities within a Stcte shall
be determined and published by the administration of
the destination State; and
d) a three digit agent code signifying the destination
'agent within the destination facility. The code values
to be assigned to individual agents within a facility
shall be determined and published by the organizational
entity controlling the facility.
Note I.- A GES is not required to convert any ground
address received during an air-originated AMS(R)$ call. The
terrestrial network may convert any such address, $necessary,
to that which is required for that particular network.
Note 2.- GES operators may convert a ground address to
that which is required by a particular terrestrial network upon
mutual agreement with that network operator.
Note 3.- Country codes are based on the International
Telecommunication Union (ITU) country code shown in
Table 1 of Appendix 43 of the ITU Radio Regulations.
However, only one code per country should be used in the
AMS(R)S service jar safety and regulatory communications.
4.8.8.3.2 Network ID. Network ID "10" shall be used in
all air-originated safety calls.
Note.-- Additional network IDs muy be used for safeq
communicarions upon prior arrangement between GES operators
and the affected ATS administrations and aircraft
operators.
4.9 AIRCRAFT EARTH STATION
(AES) IvLANAGEMENT
4.9.1 General
AES management functions shall include the functions
performed in the AES to initiate and carry out a log-on
process, to maintain a logged-on status, to initiate and carry
out a log-off process, and to manage the data and voice
communications with a GES.
4.9.2 AES management
interfaces
4.9.2.1 The AES management shall provide fox interfaces
to the following AES entities:
a) subnetwork layer;
b) link layer;
c) physical iayer;
d) circuit-mode services.
4.9.2.1.1 SUBNETTWORK LAYER
The information exchanged between the AES management and
the subnetwork layer shall include the following:
a) to the subnetwork layer:
1) log-on status: logged on initial or renewalllogged
off;
2) log-on GES ID (if logged on);
3) AES ID.
4.9.2.1.2 LINK LAYER
The information exchanged between the AES management and
the link layer shall be in the form of the link interface data
units (LIDUs) described in 4.5.2. All LIDUs exchanged across
this interface shall be as specified in Table 4-44 except that
Part I Annex 10 - Aeronautical Telecommunications
the information sent to the AES management shall also include
interFace control information commanding the AES management
to randomly select an R channel frequency.
Note.- The link layer assembles SUs in accordunce with
the information in the received LIDUS. LZDU formats are not
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