6100 BSC Programming Manual

6100 BSC Link and Station Management
the station, bid for the line, send the first message, and
read the response; in this case, the state goes from
DISCONNECTED to CONTROL to WRITE to READ.
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| |
| Original State: DISCONNECTED |
| |
| Request Status Code Description New State |
| |
| WRITE 0 Normal completion WRITE |
| 162 Timeout WRITE |
| 163 EOT reply to block CONTROL |
| 165 RVI reply to block WRITE |
| 166 ENQ reply to bid CONTROL if |
| primary, |
| READ if |
| secondary |
| 167 EOT reply to bid CONTROL |
| 168 NAK reply to bid CONTROL |
| 169 WACK reply to bid CONTROL |
| 171 No reponse to bid CONTROL |
| 173 NAK reply to WRITE |
| block |
| 175 Invalid acknowl. WRITE |
| 177 Reply too long CONTROL if |
| (to bid or block) bid, WRITE |
| if block |
| other DISCONNECTED |
| READ |
| If BSCIDEXCH applies: |
| 0 Normal completion CIRCUIT ASS. |
| 170 Bad ID, no ID CIRCUIT ASS. |
| If BSCIDEXCH does not apply: |
| 0 Normal completion READ |
| 162 Timeout CONTROL |
| 163 EOT received CONTROL |
| 172 Format error in CONTROL |
| received data |
| 173 Bad BCC or other CONTROL |
| data error |
| 177 Received block CONTROL |
| too large |
| other DISCONNECTED |
| |
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Figure 2-2. Completion Status to Leave DISCONNECTED State
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