COMSPHERE 3800 Series Modems ± Model 3830
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| Model 3830 LEDs | |
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Label | Color |
| Indicates |
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PWR | green |
| Power |
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| ON. Power is on and the modem is capable of |
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| operating. |
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ALRM | red |
| Alarm Flashing |
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| The modem has detected an internal |
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| malfunction. |
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OH | green |
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| ON. The modem is |
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| OFF. The modem is |
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DTR/108 | green |
| Data Terminal Ready |
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| The DTE has turned ON DTR or the modem |
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| has forced DTR ON. |
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RTS/105 | green |
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| The DTE has data to send to the modem. |
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CTS/106 | green |
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| The modem is ready to receive data from the |
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| DTE. |
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TXD/103 | green |
| Transmit Data |
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| The modem is receiving data from the DTE to |
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| transmit. |
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LSD/109 | green |
| Line Signal Detect |
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| The modem has detected a valid carrier |
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| signal and is capable of transferring data to |
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| the DTE. |
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RXD/104 | green |
| Receive Data |
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| Data is being transferred to the DTE. |
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SQ | yellow |
| Signal Quality |
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| The receive telephone line signal is degraded. |
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EC | green |
| Error Control |
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| Modem is in Error Control mode. |
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August 1998 |