Operation and Maintenance | MultiVOIP User Guide | |||
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| T1 Statistics: Field Definitions (cont’d) |
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| Field | Values | Description |
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| Yellow | Tally since last | The alarm signal sent by a remote T1/E1 |
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| Alarm | reset. | device to indicate that it sees no receive |
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| signal or cannot synchronize on the |
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| receive signal. |
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| Frame |
| [To be supplied.] |
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| Search |
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| Restart Flag |
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| Loss of | Tally since last | In D4 or ESF mode, displayed value will |
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| MultiFrame | reset. | increment if multiframe alignment has |
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| Alignment |
| been lost or if loss of frame alignment has |
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| been detected. |
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| Transmit | Tally since last | Slip in transmitted data stream. Slips |
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| Slip | reset. | indicate a clocking mismatch (or lack of |
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| synchronization) between T1/E1 devices. |
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| When slips occur, data may be lost or |
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| repeated. |
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| Pulse |
| The pulse density of the received data |
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| Density |
| stream is below the requirement defined |
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| Violation |
| by ANSI T1.403 or more than 15 |
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| consecutive zeros are detected. |
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| Line |
| The line loopback activation signal | |
| Loopback |
| has been detected in the received bit |
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| Activation |
| stream. |
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| Signal |
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| Transmit |
| At least 32 consecutive zeros were | |
| Line Open |
| transmitted. |
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| Transmit |
| For use by MTS Technical Support | |
| Data |
| Personnel. |
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| Underrun |
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| Transmit |
| The frequency of the transmit clock is | |
| Slip |
| greater than the frequency of the |
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| Negative |
| transmit system interface working |
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| clock. A frame is skipped. |
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