Verifying Installation
LED (signal indicators) displays the modem’s serial interface status.
Status LED displays the modem’s iDEN network status.
Diagnostic Connector used to receive modem diagnostic information.
Reset Button used to
power cycle the modem and re- establishes connection to the network.
Figure 9 – iR1200 Front Panel Layout
Signal | Color | Indication |
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Tx | Blinking | Modem is transmitting data to the |
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| Green | computer data terminal (DTE). |
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Rx | Blinking | Modem is receiving data from the |
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| Green | computer. Modem is receiving data from |
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| the DTE. |
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RTS | Green | Request To Send from computer (DTE) is |
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| (Off) | asserted (not asserted). |
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CTS | Green | Clear To Send from modem is asserted |
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| (Off) | (not asserted). |
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DTR | Green | Data terminal equipment is ready (not |
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| (Off) | ready). |
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DSR | Green | Modem is ready (not ready). |
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| (Off) |
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STATUS | Solid Red | The modem is searching for signal within |
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| the Nextel network. If the modem status |
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| changes from blinking green back to solid |
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| red, the signal has been lost and the |
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