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时间:2010-07-20 23:38来源:蓝天飞行翻译 作者:admin
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CONNECTION REQUEST, NO CALLING NSAP ADD,, NO CALLED NSAP ADD., WITH FACILITY FIELD, WITH RESTRICTION ON RESPONSE
CONNECTION REQUEST, NO CALLING NSAP ADD., WITH CALLED NSAP ADD., NO FACII-ITY FIELD, WITH RESTRICTION ON RESPONSE
CONNECTION REQUEST, NO CALLING NSAP ADD., WITH CALLED NSAP ADD., WITH FACILITY FIELD, WITH RESTRICTION ON RESPONSE
CONNECTION REQUEST, WITH CALLING NSAP ADD., NO CALLED NSAP ADD., NO FACILITY FIELD, WITH RESTRICTION ON RESPONSE
CONNECTION REQUEST, WITH CALLING NSAP ADD., NO CALLED NSAP ADD., WITH FACILITY FIELD, WITH RESTRICTION ON RESPONSE
CONNECTION REQUEST, WITH CALLING NSAP ADD., WITH CALLED NSAP ADD., NO FACILITY FIELD, WITH RESTRICTION ON RESPONSE
CONNECTION REQUEST. WITH CALLING NSAP ADD., WITH CALLED NSAP ADD., WITH FACILITY FIELD, WITH RES-TRIG-LION ON RESPONSE
SPARES
DATA
SPARE
INTERRUPT
RESET
RESERVED
SPARE
SPARES
RESERVED
FLOW CONTROL
INTERRUPT CONFIRM
RESET CONFIRM
SPARES
SPARE
RESERVED
Annex 10 - Aeronautical Telecommunications Volume 111
Table 4-16. SSNDPX generated cause field coding
1 SSNDPX originated release (local link ermr) 1001 001 1
Generating condition
SSNDPX originated release (invalid facility request)
SSNDPX originated release (network congestion)
Releaschcset cause
field coding
Bits Bits
8765 4321
1 SSNDPX originated reset (local link error) 1 1000 0101
I SSNDPX originated reset (network congestion) 1 1000 0111
Table 4-17. Diagnostic code field codings (for those originated by the SSND sub-layer)
Diagnostic field
Generating condition coding (decimal)
SSNDP operation:
]Disconnection (temporary, e.g. handover)
Disconnection (permanent, e.g. log off)
Unable to establish call (temporary)
Unable to establish call (permanent)
Connection rejection - requested quality of service
not available (transient condition) 1110 0101 (229)
Connection rejection - requested quality of service
not available (permanent condition) 1110 0110 (230)
Protocol error (SNPDU type invalid while in):
Ready state
IWF call request state
Incoming call state
Data transfer state
Remote clear request state
Flow control state
Remote resct request state
Protocol error (SNPDU not allowed):
Unidentifiable SNPDU
Invalid LCN (see 4.7.3.3)
SNPDU too short
SNPDU too long
SNPDU type not compatible with facility
Unauthorized interrupt confirm SNPDU
Unauthorized intcrmpt SNPDU
Invalid called DTE address
0010 0001 (33)
0010 0010 (34)
0010 01 10 (38)
0010 01:11 (39)
0010 1010 (42)
0010 loll (43)
0010 1 loo (44)
01 00 001 I (67)
Applicable
SNPDUs
Released
Released
Released
Released
Released
Released
Released
Released
Released
Released
Released
Reset
Reset
Released, reset
Released
Released, reset
Released, reset
Released
Reset
Reset
Released
(continued)
Part I Annex 10 - Aeronautical Teiecornmunications
Diagnostic field Applicable
coding (decimal) SNPDUs
Invalid calling DTE address
Invalid facility length
D-bit procedure not supported
Transmission error:
No additional information
Invalid SNPDW number
Retransmission count surpassed
I Timer expired:
tN1 (for connection confirm SNPDU)
tN3 (for reset confirm SNPDU)
tN4 (for interrupt confirm SNPDU)
tN7 (for flow control (suspend) supervision)
0100 0100 (68) Released
0100 0101 (69) Released
1010 0110 (166) Reset
OOOO OOOO (0) Released, reset
O000 0001 (1) Reset
1001 0000 (144) Released, reset
001 l 0001 (49) Released
001 1 001 l (51) Released
0011 1001 (57) Reset
0011 l o l l (59) Reset
Table 4-18. SSNDPX time supervision
Timer
design Start event Normal I y terminated by Action when timer expires .
tN1 Transmission of connection Reception of connection confirm The SSNDPX shall initiate a
request SNPDU or connection released SNPDU release ofthe connection
tN3 Transmission of reset Reception of reset confirm or The SSNDPX shall initiate a
SNPDU reset SNPDU release of the connection
tN4 Transmission of interrupt Reception of interrupt confirm SSNDPX shall initiate a reset
SNPDU SNPDU of connection
tN6 Transmission of connection Reception of connection release Return logical channel to ready
released SNPDU complete or connection released state
SNPDU
tN7 Transmission of flow control Transmission of flow control SSNDPX shall initiate a reset
(suspend) SNPDU (resume) SNPDU of connection
 
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