
Monitoring the Unit
Model 7986 Standalone Termination Unit LEDs
The following table contains a description of the LEDs on the Model 7986
Standalone Termination Unit front panel.
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| POWERALARM TEST | DSL | G |
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| .703 |
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| TM | 7986 M/HDSL |
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Type |
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| LED is . . . | Indicating . . . |
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General |
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| POWER |
| Green | Unit has power. |
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| Off | No power to the Unit. |
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| Green, | Unit is in minimum mode and a download is | |||||
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| Flashing | required. |
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| ALARM |
| Red | Device failure, or | |||||
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| is not complete. |
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| Off |
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| TEST | Amber | Loopback test or 511 test pattern in progress. | ||||||
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| Amber, |
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| flashing |
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| Off | No tests. |
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DSL |
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| DSL | Green | DSL link is up. |
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| Amber | DSL training in progress. |
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| Amber, | An OOF condition exists. |
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| flashing |
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Off
The DSL Link is down.
G.703 | DTE | Green | Recoverable signal present on the G.703 |
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| network. |
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| Amber | Remote Alarm Indication (RAI) present. |
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| Amber, | OOF condition exists. |
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| flashing |
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| Off | The G.703 LINK is down. |
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September 1998 |