DCP Operation
Table
(2 of 3)
Health and Status Messages
Type
Message
Indicates
Status
Subtree Truncate
Downstream health and status information has been truncated because it overflowed system limits. There is a large amount of health and status information in the subnetwork.
Test Mode | The modem or an upstream device is running a disruptive test. |
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Disabled | The modem's DTE port has been disabled. |
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On Dial Backup | The modem is operating in Dial Backup mode. |
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FW Downloading | A firmware download is in progress. |
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Primary Line Good | The modem is currently operating on the |
| Lookback option is enabled, and the modem detects continuity on the primary |
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Dial
Backup Line Bad | The modem is currently operating on the primary | ||
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| configuration option is enabled, and the modem detects continuity on the | |
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| backup leased lines. | |
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Data Blocked | The modem's data path is blocked. | ||
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On Lease Backup | The modem is operating in | ||
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PSTN Test Fail | The modem failed either the Dial Tone Detection or the Ring Tone Detection | ||
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| portion of the Call Test command. | |
Make Busy Mode |
| The modem is in a Make Busy condition. |
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Service Line |
| (Model 3921Plus only) The modem installed in a COMSPHERE 3000 Series |
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| Carrier has been switched to a service line. |
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| Short Hold Time | The modem's dial hold time has been shortened. |
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| The modem is in a | |
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Thresh* | RSL High Threshd | The received signal level (RSL) has exceeded the upper threshold. |
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| RSL Low Threshld | The RSL is less than the lower threshold. |
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| SNR Threshold | The |
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| The | |
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| Retrains | The number of retrains exceeded the threshold. |
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| Signal Quality | The signal quality is less than the threshold. |
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| Far Echo Threshd | The far end echo level exceeded the threshold. |
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| Near Echo Thresh | The near end echo level exceeded the threshold. |
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| Phase Jitter | The phase jitter level exceeded the threshold. |
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| Phase Hit Thresh | The number of phase hits has exceeded the threshold. |
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| Impulses Hit | The number of impulse hits exceeded the threshold. |
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| Gain Hit Threshld | The number of gain hits exceeded the threshold. |
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| Drop Outs Thresh | The number of drop outs exceeded the threshold. |
| Frequency Offset | The frequency offset level exceeded the threshold. |
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* Not supported in every modulation.
November 1996 |