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时间:2010-07-20 23:46来源:蓝天飞行翻译 作者:admin
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D=28
(see Note 3)
INTERRUPT CONFIRMATION See Table 5-18 A=ERROR A=DKSCARD
S=d3
D=28
(see Note 3)
DATA or flow control packet See Table 5-19 A=ERROR A= DISCARD
S=d3
D=28
(see Note 3)
Format error A=ERROR A=ERROR A=DISCARD
S=d3 S=d3
D=33 D=33
(see Note 3) (see Note 3)
NOTES:
1. The XDCE is not necessarily in the same state as the DTE3DCE interface.
2. All packets from the peer XDLP have been checked for duplication before evaluation as represented by this table.
3. The error procedure consists of performing the specified actions when entering the d3 state (which includes forwarding a
RESET REQUEST packet to the peer XDLP) and sending a RESET REQUEST packet to the DCE (via the formatting
functionj.
4. Table entries are defined as follows: A = action to be taken, S = the state to be entered, D = the diagnostic code to be
used in packets generated as a result of this action, DISCARD indicates that the received packet is to be cleared for the
XDLP buffers, and INVALID indicates that the packedstate combination cannot occur.
5. The number in parentheses below an "A = NORMAL" table enhy is the paragraph number in this document that defines
the actions to be taken to perform normal processing on the received packet. If no paragraph number is referenced, the
normal processing is defined in the table entry
Part I Annex I0 - Aeronautical Telecommunications
Table 5-18. GDLP (ADLP) effect on ADCE (GDCE) interrupt transfer states
7/11/96
Nu. 71
Packet received from GDLP (ADLP)
(see Note 2)
ADCE/GDCE intermpt transfer states
(see Notes 1, 3 & 4)
GDLP (ADLP) INTERRUPT
READY GDLP (ADLP) INTERRUFT SENT
il i2
A =NORMAL A=ERROR
(5.2.6.4.5) S=d3
INTERRUPT S=i2 D=44
(forward to DCE) (see Note 5)
Packet received from GDLP (ADLP)
(see Note 2)
ADCE (GDCE)in termpt transfer states
(see Notes 1, 3 & 4)
ADCE (GDCE) INTERRUPT ADCE (GDCE) INTERRUPT SENT
READY j2
j 1
A=ERROR A=NORhfAL
INTERRUPT CONFIRMATION S=d3 (5.2.6.4.5)
0=43 S=jl
(see Note 5) (forward confirmation to DCE)
NOTES:
I. The XDCE is not necessarily in the same state as the DTIYDCE interface.
2. All packets from the peer XDLP have been checked for duplication before evaluation as represented by this table.
3. Table entries are defined as follows: A = action to be taken, S = the state to be entercd. D = the diagnostic code to be used
in packets generated as a result of this action. DISCARD indicates that the received packet is to be cleared for the XDLP
buffers, and INVALID indicates that the packetlstate combination cannot occur.
4. The number in parentheses below an "A = NORMAL" table engv is the paragraph number in this document tbat defines the
actions to be taken to perform normal proccssing on the received packet. If no paragraph number is referenced, the normal
processing is defined in the table entry.
5. The error procedure consists of performing the specified actions when entering the d3 state (which includes forwarding a
RESET REQUEST packet to the peer XD'LP) and sending a RESET REQUEST packet to the DCE (via the reformatting
process).
Annex 10 - Aeronautical TeZecommunications Volume 111
Table 5-19. GDLP (ADLP) effect on ADCE (GDCE) flow control transfer states
Packet received from GDLP (ADLP)
(sec Note 2)
ADCE (GDCE) flow control transfer states
(see Notes 1, 6 and 7)
ADCE (GDCE) ADCE (GDCE)
RECEIVE READY RECEIVE NOT READY
fl .l'2
DATA packet with invalid PR A=ERROR A-ERROR
(see Note 3) s=d3 S=d3
D=2 D=2
(see Note 8) (see Note 8)
DATA packet with valid PR, invalid PS or LV A=DJSCARD A=DISCARD, but record expected
subfield Send REJECT with expected PS PS value, send REJECT packet when
(see Notes 4 & 5) value busy conditions ends
DATA packet with valid PR, PS and LV A =NORMAL A=PROCESS, if possible; or
subfield (5.2.6.4.4) A=DISCARD, but record PR value
(forward) and scnd RUECT when busy
condition ends
Packet rewived from GDLP (ADLP)
(see Note 2)
ADCE (GDCE) flow co~itrotlr ansfer states
(see Notes 1, 6 and 7)
GDLP (ADLP) GDLP (ADLP)
RECEIVE READY RECEIVE NOT READY
&" g2
RR, RNR, REJECT packct with invalid PR A=ERROR A=ERROR
(see Note 3) S=d3 S=d3
D=2 0=2
(see Note 8) (see Note 8)
RR with valid PR field A=NORMAL A=NORMAL
(see Note 9) (5.2.6.5) (5.2.6.6)
S=gl
RNR with valid PR value A=NORMAL A=NORMAL
(see Note 9) (5.2.6.5) (5.2.6.6)
S=g2
RESECT with valid PR A=NORMAL A=NORMAL
(see Note 9) (5.2.6.5) (5.2.6.6)
S=gl
NOTES:
1. The XDCE is not necessarily in the same statc as the DTE/DCE interface.
 
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