Diagnostic Codes
X.25 Codes
D-4
These diagnostic codes are generated by the X.25 network in Clear, Reset, and Restart
Indication packets, as well as Registration Confirmation and diagnostic packets:
Hex. Dec. Description
No additional Information
00
00
Invalid P(s)
01
01
Invalid P(r)
02
02
Packet Type Invalid
10
16
Packet type Invalid for State r1
11
17
Packet type Invalid for State r2
12
18
Packet type Invalid for State r3
13
19
Packet type Invalid for State p1
14
20
Packet type Invalid for State p2
15
21
Packet type Invalid for State p3
16
22
Packet type Invalid for State p4
17
23
Packet type Invalid for State p5
18
24
Packet type Invalid for State p6
19
25
Packet type Invalid for State p7
1A
26
Packet type Invalid for State d1
1B
27
Packet type Invalid for State d2
1C
28
Packet type Invalid for State d3
1D
29
Packet not allowed
20
32
Unidentifiable packet
21
33
Call on one-way LCN
22
34
Invalid packet type on PVC
23
35
Packet on unassigned LCN
24
36
Reject not subscribed to
25
37
Packet too short
26
38
Packet too long
27
39
Invalid GFI
28
40
Restart with non-zero bits 1-4 in octet 1, or 1-8 in octet 2
29
41
Packet type not compatible with facility
2A
42
Unauthorized interrupt confirmation
2B
43
Unauthorized interrupt
2C
44
Unauthorized reject
2D
45
No channel available
2F
47
30
48
Time expired
Time expired for incoming call
31
49
Time expired for clear indication
32
50
33
51
Time expired for reset indication
Time expired for restart indication
34
52
(Restart Transfer Phase)
(Call Setup Phase)
(Call Clearing Phase)
(Reset during data xfer)
Packet Level Ready
DTE Restart Request
DCE Restart Indication
Ready
DTE Waiting
DCE Waiting
Data Transfer
Call Collision
DTE Clear Request
DCE Clear Indication
Flow control Ready
DTE Reset Request
DCE Reset Indication
FRX/FRM 3.3 User Guide, Rev 04
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