6100 ADCCP Programming Manual

Contents
069225 Tandem Computers Incorporated xi
Figure 2-1. ADCCP Software Layers 2-2
Figure 2-2. Input Frame Handling 2-4
Figure 2-3. Link States and Transitions 2-5
Figure 2-4. Station States and Transitions 2-7
Figure 2-5. MODE SET to a Logically Disconnected Station 2-9
Figure 2-6. Standard Polling 2-13
Figure 2-7. Alternate Polling 2-15
Figure 2-8. ADCCP to Token Ring Communication (Option_Two) 2-16
Figure 3-1. ADCCP/X21 Software Components 3-2
Figure 3-2. X.21 Circuits 3-7
Figure 3-3. X.21 Circuit-Switched Link States 3-9
Figure 3-4. X.21 Link States During Quiescence 3-11
Figure 3-5. ADCCP Link States During the Connected State 3-14
Figure 3-6. Link States and Transitions for Leased Lines 3-16
Figure 4-1. WRITEREAD Buffer 4-25
Tables Table 1-1. Application Requests 1-2
Table 1-2. Line Configuration Options 1-19
Table 3-1. X.21 Line-Configuration Options 3-4
Table 3-2. CPS Action Table 3-5
Table 3-3. DTE Time Limit Default Values 3-7
Table 3-4. DTE Quiescent States 3-12
Table 3-5. DCE Quiescent States 3-12
Table 6-1. Requests and Responses 6-1
Table 6-2. Descriptions of SET CONFIGURATION Parameters 6-4
Table 6-3. Status Byte Values for the RECEIVETEXT Response 6-27
Table 6-4. Status Codes for Successful Requests 6-51
Table 6-5. Status Codes Indicating Resource or Allocation Errors 6-51
Table 6-6. Status Codes Indicating Invalid Request or Format 6-52
Table 6-7. Status Codes Indicating a Failed or Cancelled Request 6-53
Table 6-8. Status Codes Indicating a Fatal Modem Error 6-54
Table 6-9. Status Codes Indicating Frame Errors 6-55
Table 6-10. RECEIVETEXT Responses 6-56