DCP Series Maintenance Software Test Level 3 - Public Support ...

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Error Messages and Fault Isolation UDLC Input Status When Start Data (input) instruction execution is initiated, status conditions are accumulated, and, in some cases, may cause termination (either unconditional or because a chain flag is set). The Read Status command, issued to the line module by the IOP on termination, causes two bytes of status to be returned to the IOP. The IOP adds the status bits for which it is responsible. The resulting status format, as stored in the Message Control Table, is as follows: �� Bit 16 Set by the IOP when allocating input space and the zeroed buffer pool is empty. This action causes unconditional termination. The line module does not set this bit. Bit 17 Set by the IOP when the input limit is reached and input chain flag 17 is set. The line module does not set this bit. Bit 20 Set if input response timer expired. This action causes unconditional termination. (If the response timer is loaded with zero, the timer is disabled and this bit is not set.) Bit 21 Set if input message timer expires. This action causes unconditional termination. (If the message timer is loaded with zero, the timer is disabled and this bit is not set.) Note: The response timer activates as soon as it is loaded with a non-zero value during Start Data Transmit execution. The switch from response to message timer occurs when the first byte of the message is made available to the IOP. The message timer stops when the input is complete. Bit 22 Set any time DSR turns off with DTR on. This action causes unconditional termination. This status bit remains set until a Clear Control command with the DTR bit set is issued or the line module is cleared. Bit 23 Set if frame check error. This status can be generated only at the end of the message and, therefore, is not really a termination condition. Bit 24 Set if carrier went off during message. This is of interest only during message reception. B–10 7431 8080–202
Error Messages and Fault Isolation Bit 25 Set if overrun. This message indicates the IOP is unable to keep up with the required input message data rate. Bit 27 Set if the input message is aborted. This action causes unconditional termination. Bit 28 Set if the input line is in the Idle state and termination occurs. It clears when the input line is not in the idle state. Bit 31 The IOP sets this bit if a status bit is set and its corresponding chain flag is clear. This action occurs only after the LM Status is passed to the IOP. DCSS Output Status When Start Data (output) instruction execution is initiated, status conditions are accumulated and, in some cases, may cause termination. The Read Status command, issued to the line module by the IOP on termination, causes two bytes of status to be returned to the IOP. The IOP adds the status bits for which it is responsible. The resulting status format, as stored in the Message Control Table, is as follows: �� Bit 20 Set if output response timer expires. This action causes unconditional termination. (If the response timer is loaded with zero, the timer is disabled and this bit is not set.) Bit 21 Set if output message timer expires. This action causes unconditional termination. (If the message timer is loaded with zero, the timer is disabled and this bit is not set.) Note: The response timer activates as soon as it is loaded with a non-zero value during Start Data Transmit execution. The switch from response to message timer occurs when the first byte of the message is transmitted. The message timer stops when the message transmission has been completed. Bit 23 Set if a transmitter overcurrent condition is detected. It indicates that a transmission was attempted at the same time that the DCSS was transmitting. This action causes unconditional termination. 7431 8080–202 B–11
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Unisys Title o New Release • Revi
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DCP SERIES Maintenance Software Tes
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DCP SERIES Maintenance Software Tes
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DCP Series Maintenance Software Tes
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Contents About This Guide .........
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Contents Enable/Disable Data Checki
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Figures 1-1. Six Tasks of Using TL3
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Tables 1-1. TL3 Task Referral .....
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About This Guide Purpose Audience T
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Appendix B. Error Messages and Faul
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About This Guide DCP/5 Installation
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Section 1 Introduction This section
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Testing Line Modules and Exiting TL
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Downing Lines Assigned to Telcon To
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Figure 1-2. Main Menu Introduction
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Using the DCP/OS Console Function K
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Interactive Mode Figure 1-4. TL3 Me
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Section 2 Configuring Ports This se
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Configuring Ports 3. The Port Param
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Table 2-1. Parameter Definitions (c
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The fields on the status screen (se
Page 43 and 44: UDLC Secondary Chain Configuring Po
Page 45 and 46: Async Primary Chain This option sen
Page 47 and 48: EBCDIC Bisync Primary Chain Configu
Page 49 and 50: 1100 FDX Primary Chain Configuring
Page 51 and 52: 4X1 Async Primary Chain Configuring
Page 53 and 54: Multiple Device Line Module Partial
Page 55 and 56: 16-Bit Parallel Back-to-Back Chain
Page 57 and 58: Host-Block Mux Chain Configuring Po
Page 59 and 60: ILM-40 Ethernet Chain Configuring P
Page 61 and 62: ILM-60 4X High Speed Chain Configur
Page 63 and 64: Table 2-43. Line Modules and Hardwa
Page 65 and 66: Section 3 Specifying Port Controls
Page 67 and 68: Section 4 Display Status Informatio
Page 69 and 70: View Port Status Display Status Inf
Page 71 and 72: Display Test Statistics Display Sta
Page 73 and 74: Section 5 Specifying Test Condition
Page 75 and 76: Configure Files Specifying Test Con
Page 77 and 78: Section 6 Miscellaneous Options Run
Page 79 and 80: Section 7 Mass Storage Subsystem Te
Page 81 and 82: Appendix A Acronyms and Abbreviatio
Page 83 and 84: STX Start of text Sync LM Synchrono
Page 85 and 86: Appendix B Error Messages and Fault
Page 87 and 88: Error Messages and Fault Isolation
Page 91 and 92: Not Enabled After 15 State Items Er
Page 93: UDLC Primary and Secondary Chains U
Page 99 and 100: Bit 24 Set if carrier went off duri
Page 103 and 104: BSC Input Status Error Messages and
Page 121 and 122: 4X1 Async and Video Text Chain Mult
Page 123 and 124: Asynchronous Input Status Error Mes
Page 131 and 132: FEPI and PLM FEPI FEPI Output Statu
Page 137 and 138: HSILM20 Input Status Error Messages
Page 139 and 140: ILM Status Error Messages and Fault
Page 141 and 142: Input Data Transfer Status Error Me
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Appendix C Line Module Identifiers
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HID (Hex) Line Module Short Name Ta
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Appendix D Installing DCP Maintenan
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Preparing the Hard Disk for a Local
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Step Action 7 Press the XMIT key. T
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Preparing the Hard Disk Step Action
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Loading the Maintenance Software on
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Step Action 8 Enter the following c
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DCP600 Procedures Preparing the DCP
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Loading the Maintenance Software on
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