6100 BSC Programming Manual

Writing Applications that Use 6100 BSC
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| |
| |
| Local Station Remote Station |
| |
| \ |
| | READ |
| | request |
| / ENQ ---------> | |
| WRITE | / |
| request | \ |
| | <-------- ACK 0 | READ |
| | | request |
| | msg ---------> | |
| | / |
| | \ |
| \ <-------- ACK 1 | READ |
| / | request |
| WRITE | msg ---------> | |
| request | / |
| | |
| \ |
| |
| |
| The underscore shows the information applications |
| supply and receive. In each case, the information |
| resides in the text field of the request/response |
| buffer (see Figure 3-9). Items not underscored--for |
| example, most control sequences--are supplied and |
| received by the protocol, not by the application. |
| |
| |
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Figure 3-3. Line Bid
3-9