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NI A
NIA
NIA
NIA
M
M
NIA
M
0
NIA
NIA
NIA
NIA
N/A
NIA
0
0
0
0
0
Ground requested
broadcast
New ground
station
All aircraft
M
M
NIA
M
0
NIA
NIA
NIA
NIA
NIA
NI A
NIA
N/A
0
0
0
Link connection
rejection
Any station
Any station
NIA
NIA
NIA
NIA
NIA
NIA
NIA
NIA
NIA
NIA
6111D7
No. 72
Annex 10 - Aeronnuticnl Telecommunications Volume III
Timcr TM2 FOh 45h NIA 0 0 NIA
Timer TG5 FOh 46h N/A 0 0 N/A
Timer T3fi, FOh 47h N/A 0 0 NIA
Address filter FOh 48h N/A NIA M NIA
Link connection
rejection
Any station
Any station
Broadcast connection FOh 49h NIA NIA M NI A
Source
address
Destination
address
Private parameters
Frequency support FOh COh N/ A 0 0 NIA
Airport coverage FOh Clh N/A NIA o2 NIA
Nearest airport ID FOh C3h N/A N/A O* NIA
Ground requested
handoff
Current ground
station
____dh__I______-----------------d--~-------------------------
Aircraft
Air requested
handoff
Aircraft
Current or
proposed
ground station
ATN router NETS FOh C4h N/A 0 M N/A
System mask FOh C5h NIA 0 0 NIA
TG3 FOh C6h N/A 0 0 N/A
TG4 FOh C7h N/A 0 0 N/ A
Ground station location FOh C8h N/A 0 0 N/ A
Ground requested
broadcast
New ground
stalion
All aircraft
GI = IS0 8885 Group identifier
PI = IS0 8885 Parameter identifier
M = Mandalory
0 = Optional
N/A = Not applicable
h = hexadecimal
NOTES
1. In a GSIF XID frame it is mandatory to include either the Airport Coverage Indication parameter or the Nearest
Airporl Identifier parameter but not both (see 6.5.4.2.7.3).
2. Where the Airport Coverage Indication parameter and the Nearest Airport Identifier parameter are marked as
optional, either parameter may be included in the frame or neither but not both.
6/11/97
No. 72
Part I Annex 10 - Aeronautical Telecornrnunicatiohs
Table 6-52. Subnetwork layer service system parameters
Symbol Name
Mode 1 Mode 2
Minimum Maximum standard standard
RESTART REQUEST response timer
CALL REQUEST response timer
RESET REQUEST response timer
CLEAR REQUEST response timer
RESTART REQUEST retransmission count
RESET REQUEST retransmission count
CLEAR REQUEST retransmission count
Packet size
W Transmit window size
A Acknowledgment window size
LTC Lowest two-way channel
HTC Highest two-way channel
1 s
1 s
I s
1 s
0
0
0
128 octets
300 s
300 s
300 s
300 s
7
7
7
2048 octets
180 s
200 s
180 s
180 s
1.
1
1
256 octets
180 s
200 s
180 s
180 s
1
1
1
1024 octets
1 packet 7 packets 7 packets 7 packets
1 packet 4 packets 4 packets 4 packets
0 4095 1024 1024
0 4095 307 1 307 1
Note.- U: A values defirte defaults. Other parameter values are preset and not negotiated. The packet size
(P) and window sizes (W A) dejne defaults, and may be negotiated during cull setup.
Table 6-53. Facilities supported by the VDL
Facility IS0 8208 Section
Packet retransmission 13.4
Nonstandard default packet sizes 13.9
Nonstandard default window sizes 13.10
Flow control parameter negotiation
Fast select
Fast select acceptance 13.17
Called line address modified notification 13.26
Called address extension 14.2
6111i97
No. 72
Annex 10 - Aeronnuticnl Telecommzinications
Table 6-54. Facilities not supported
Volume II1
Facility IS0 8208 Section
Non-receipt of window rotation infomation
Window status transmission timer (Timer T24)
On line facility registration
Extended packet seq. numbering
D-bit modification
Reject response timer (Timer T27)
Incoming calls barred
Outgoing calls barred
One-way logical channel outgoing
One-way logical channel incoming
Defa~ltth roughput classes assignment
Throughput class negotiation
Closed user group related facilities 13.14
Bilateral closed user group related facilities 13.15
Reverse charging 13.18
Reverse charging acceptance
Local charging prevention
Network user identification
Charging information
RPOA selection
Hunt group
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