DAVIS SPREAD-SPECTRUM RADIO MODEM Instruction Manual download pdf (Page 33)

Troubleshooting Page 33

Using LEDs to Diagnose Connection Problems

The YDI radio modem has four LED indicators to display its status.

✦ Power (Red)

Indicates that 12-Volt power is applied when lit.

✦ Trafﬁc (Green)

Flashes when the receiver detects a signal from another radio.

✦ Connected (Green)

Indicates connection with another radio is established when lit. If the

base station's “Connected” LED is off and then lights, it indicates that

both receivers and transmitters have made contact. Once lighted, the

LED may remain on for a while, meaning that it does not necessarily

show the present status of the base station radio modem. If the base sta-

tion is not attempting to make contact its indicator will be off; this does

not mean that the ﬁeld station is failing.

✦ Transmit (Green)

Indicates the radio is transmitting when lit.

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DAVIS SPREAD-SPECTRUM RADIO MODEM Instruction Manual Page 33