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| Reference Guide for the Model XM128 ISDN Digital Modem | |
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Table | LED descriptions (continued) | |||
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Label | Color | Activity | Description |
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COM LEDs: |
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DTR | Green | On | The data terminal or computer connected to the COM port on |
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| the Model XM128 modem is ready to communicate. |
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DSR |
| On | The Model XM128 modem is ready to communicate with the |
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| connected data terminal or computer. |
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RTS |
| On | The data terminal or computer connected to the COM port on |
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| the Model XM128 modem is ready to transmit data. |
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CTS |
| On | The Model XM128 modem is ready to accept data from the |
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| connected data terminal or computer. |
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TD |
| Blinking | The data terminal or computer connected to the Model XM128 |
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| modem is transmitting data to the modem. |
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RD |
| On | The data terminal or computer connected to the Model XM128 |
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| modem is receiving data from the DTE port of the modem. |
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PHONE 1 |
| On | The handset of the telephone connected to the port is not |
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| properly placed in the receiver cradle. |
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PHONE 2 |
| On | The handset of the telephone connected to the port is not |
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| properly placed in the receiver cradle. |
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Introduction |