6100 MPS-B Programming Manual

6100 MPS-B LINK MANAGEMENT
DISCONNECT State
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| |
| Request Status Code Description New State |
| |
| WRITEREAD 172 Format error in CONTROL |
| (Continued) received data |
| 173 Bad BCC or other Unknown; use |
| error in data Send EOT |
| sent or received |
| 177 Received text CONTROL |
| too large |
| other DISCONNECT |
| |
| CONTROL 0 Normal completion CONTROL |
| (CONNECT) other DISCONNECT |
| |
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Figure 2-2. Completion Status to Leave DISCONNECT State
(Page 2 of 2)
Requests and Functions Applicable to DISCONNECT State.
The following requests are permitted in DISCONNECT state. Some
requests have different functions when the line is in other
states. For complete descriptions of the requests, see
Section 3.
• SET CONFIGURATION, to change line parameters. This request is
permitted only in DISCONNECT state. It does not cause a
change of state.
• FETCH CONFIGURATION, to retrieve line parameters. This
request does not cause a change of state.
• FETCH STATISTICS, to retrieve line quality and usage data.
This request does not cause a change of state.
• WRITE data, to establish a connection, if required; to send
the first message. The line state when the request completes
successfully is SELECT-TEXT.
• READ data, to establish a connection, if required; to
acknowledge and read the first message. The line state when
the request completes successfully is READ.
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