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The FastPADmp can detect certain kinds of trouble or receive special packets transmitted by other network equipment that has detected trouble. In both cases, depending on the gravity of the trouble, it transmits, to both ends of the virtual circuit(s) concerned:
These packets contain two bytes that specify the cause of the error and a diagnostics.
Example: | Cause | = No. busy |
| Diagnostics | = no logical channel free. |
There are two different ways to learn about the clears, restarts, and resets transmitted by a FastPADmp:
When the FastPADmp transmits a clear, reset or restart to both ends of the virtual circuit, a message is displayed on the asynchronous terminals concerned.
This message may be more or less detailed, depending of the values assigned to X.3 parameter 6:
Detailed message consisting of: | the reduced message, a text explaining the cause of the trouble (see § 3). |
The "outstanding events management" function may be used to recall the last three clear and/or reset messages in clear language.
The message displayed is in the following form:
- - - CAUSE: - - - DIAG: - - - FUN No. - - LC No. - -
| Diagnostic Values
| Cause DSE | Type of Packet | Meaning | |
| Decimal | Hexa- Decimal | |||
00 00 00 00 00 00 00 01 02 04 10 13 17 18 20 21 22 23 23 25 27 28 33 33 33 34 35 36 37 | 00 00 00 00 00 00 00 01 02 04 0A 0D 11 12 14 15 16 17 17 19 1B 1C 21 21 21 22 23 24 25 | 05 05 05 05 07 07 07 07 07 C6 C6 C6 03 03 05 05 05 05 05 05 07 07 05 07 03 05 07 05 07 | LIB. LIB. LIB. LIB. REP. REI. REI. REI. REI. - LIB - REP. REP. LIB. LIB. LIB. LIB. LIB. LIB. REI. REI. LIB. REI. REP. LIB. REI. LIB REI. | Physical line trouble Frame level drop Reverse charging not subscriber to (incoming or outgoing call) Fast select not subscriber to (incoming or outgoing call) Frame level connection PVC not utilizable PVC utilizable Error P (S) Error P (R) No reply to call for C-R or CLR after C-R LC saturation, rerouting, parameters not accepted in current rerouting request Cascade rerouting prohibited Restart confirmation received in state R1 Packet received incorrectly in state R2 Packet received incorrectly in state P1 Packet received incorrectly in state P2 Packet received incorrectly in state P3 Packet received incorrectly in state P4 Clear confirmation received with clear being sent Packet received incorrectly in state P6 Packet received incorrectly in state d1 Packet received incorrectly in state d2 Unknown packet received Unknown packet received in data transfer Unknown packet received Call request packet received on outgoing LC Erroneous packet received on PVC Packet received on LC unexpected REJ packet received |
| Diagnostic Values
| Cause DSE | Type of Packet | Meaning | |
| Decimal | Hexa- Decimal | |||
38 38 38 39 39 39 40 40 41 41 41 43 44 48 49 50 51 51 52 65 65 65 66 66 66 66 67 | 26 26 26 27 27 27 28 28 29 29 29 2B 2C 30 31 32 33 33 34 41 41 41 42 42 42 42 43 | 05 07 03 05 07 0B 05 07 05 07 0B 07 07 C6 05 05 05 07 0B 05 XX 05 05 05 XX 05 05 | CLEAR RESET RESTART CLEAR RESET RESTART CLEAR RESET CLEAR RESET RESTART RESET RESET - CLEAR CLEAR CLEAR RESET RESTART CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR | Received of packet too short (= 2) on unestablished VC Received of packet too short (= 2) in data transfer Received of packet too short Received of packet too long Received of packet too short (= 2) in data transfer Received of packet too long Illegal use of bit D on unestablished VC Illegal use of bit D in data transfer LC No. Different from 0 in restart packet LC No. different from 0 in restart packet LC No. different from 0 in restart packet Reception of interrupt confirmation without interrupt transmission Reception of two successive interrupts Rerouting succeeded No response to call Expiry of clear confirmation supervision time-out No response to repeated reset End of repetition of reset Expiry of restart confirmation time-out Unknown facility code, facility error in call confirmation unsubscribed facility in call request or call confirmation Incorrect facility code Incompatible CUG Non-numerical CUG reception Incorrect throughput class, window size incorrect packet size, unauthorized CUG reference in call request or call confirmation Unauthorized facility Invalid facility parameter Invalid called address in call request or confirmation |
| Diagnostic Values
| Cause DSE | Type of Packet | Meaning | |
| Decimal | Hexa- Decimal | |||
67 67 67 67 67 68 68 68 68 69 71 72 73 74 76 83 96 97 98 99 100 101 102 112 128 129 | 43 43 43 43 43 44 44 44 44 45 47 48 49 4A 4C 53 60 61 62 63 64 65 66 70 80 81 | 05 05 05 05 05 05 05 05 05 05 05 05 05 -- XX XX 00 00 00 00 00 00 00 05 XX XX | CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR RESET CLEAR RESET CLEAR CLEAR CLEAR CLEAR RESET CLEAR CLEAR CLEAR | Incomplete address in call request or confirmation Incorrect configuration Impossible compacting or decompacting Unknown number not in table Unknown called address Compacted No. not found Compacting impossible Incomplete calling address in incoming call request Non numerical calling address Invalid complementary service length No more LC Call collision Double occurrence of facility in call request or confirmation Call confirmation with an address unequal to zero Mandatory facility missing Mixing of Q bit in complete packet sequence Compression/scrambling refused in CALL or CALL CONF packet with bit D = 1 Compression refused in data packet with bit D = 1 Compression/scramble reset error Not enough memory available Compression/scramble parameter not correct in CALL or CALL CONF packet Compression/scramble parameters of calling and called party incompatible Algorithm error on receiving equipment Halt MLP level Clear by DTE-C Request to clear |
| Diagnostic Values
| Cause DSE | Type of Packet | Meaning | |
| Decimal | Hexa- Decimal | |||
131 132 133 134 143 153 180 181 182 183 184 185 186 197 XXX --- 230 234 235 200 201 202 | 83 84 85 86 8F 99 B4 B5 B6 B7 B8 B9 BA BB XX -- E6 EA EB C8 C9 CA | XX XX XX XX XX 05 XX 05 XX XX XX -- -- XX -- XX 93 05 05 05 05 07 | RESET RESET RESET CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR RESET | Loss of characters Reception of break from DTE-C Reset command from DTE-C Incompatible PAD parameters Expiry of inactivity time-out Outgoing line not in service; outgoing line not in service or congested according to local routing Internal subscriber out of order Lack of memory resource or maximum number of VCs reached Management function: incorrect password Management function: incorrect line number Management function: incorrect family number Address to be converted not found (calling party address) Address to be converted not found (calling address) Management function: ACO Number incorrect Reception of restart on network with copy of cause and diagnostic value Reception of restart on one of the two ports leading to a clear on the other port, with copy of cause and diagnostic value Routing function impossible I/O type (EBS, Synchronous Standardization Input, or SBS, Synchronous Standardization Output) not authorized No telephone number VIP line disconnection Unknown polling address Local procedure |
XX = Not significant
| Diagnostics values
| Meaning | |
| Decimal | Hexadecimal | |
05 | 05 | PSH-LLC sequence error |
07 | 07 | Clear request of a QLLC or PSH-LLC packet |
08 | 08 | QLLC or PSH-LLC packet not authorized in this state |
09 | 09 | SDLC frame requests a clear |
10 | 0A | SDLC frame not authorized in this state |
12 | 0C | Clear diagnostics when the protocol code is not correct |
13 | 0D | Packet not handled by PSH-LLC or QLLC procedure |
14 | 0E | No physical unit (PU) connected |
| Diagnostics values
| Meaning | |
| Decimal | Hexadecimal | |
08 | 08 | QLLC packet not authorized in state |
10 | 0A | LLC2 packet not authorized in state |
12 | 0C | Incorrect QLLC protocol code |
13 | 0D | Packet not processed by QLLC level |
| Message Number | Meaning | Display |
M0 1 M1 1 M5 1 M6 1
M7 M8 M9 M10 M11 M12 M13 M14 M15 M16 M17 M18
M19 M20 | Call set up Network trouble Will be broken off soon Call cleared
Invalid or unauthorized command Correspondent out of order No call in progress Invalid call request packet Call to unauthorized party Called party does not exist Called party busy Call cleared by called party Reverse charging rejected Fast select rejected Error by party Call reset
Error by party Losses of characters | COM CLR NC
CLR CONF CLR DTE Y CLR PAD 134 2 CLR PAD 143 3 CLR X Y 4 ERROR CLR DER Y CLR ERR CLR INV Y CLR NA Y CLR NP Y CLR OCC Y CLR PAD 5 CLR PVC Y CLR 29 Y CLR RPE Y RESET DTE Y RESET X Y 4 RESET RPE Y RESET PAD 131 |
| 1Same number in the STUPAV (videotex gateway specifications). 2Clear on initiative of equipment following request for error correction procedure. 3Clear on initiative of equipment following expiry of inactivity time-out. 4For X greater than or equal to 80. 5Clear on initiative of equipment following reception of a PAD invitation to clear message. |
Posted: Thu Jan 25 14:10:13 PST 2001
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