GE MDS 05-4558A01 User Manual download pdf (Page 13)

10 MDS Mercury Series Startup Guide 05-4558A01, Rev. C

TRANSMITTER POWER & ANTENNA TEST

The following procedure may be used to measure the transmitter’s RF

power output and SWR “match” of the antenna system. A directional

wattmeter is required for the test, such as a Bird Model 43, with an

appropriate element installed.

Before you start, keep in mind that using the Test Mode will disrupt

network operation.

Procedure

1. Connect a directional wattmeter between the ANTENNA port and

the antenna system.

2. Place the transceiver into the Radio Test Mode.

Main Menu>Maintenance/Tools Menu>Radio Test>Radio Mode>Test

NOTE: The Test Mode has a 10-minute timer, after which it will

return the transceiver to normal operation. The Test Mode can

also be terminated manually, via the menu.

3. Set the transmitter RF output power to +28 dBm.

Main Menu>Radio Configuration>Transmit Power

NOTE: The Test Mode RF power setting does not affect the output

level during normal operation

4. Activate (key) the transmitter.

Main Menu>Maintenance/Tools>Radio Test>Test Mode>

TxKey> Enable

Use the spacebar to key and unkey the transmitter ON and OFF

(Enable/Disable).

5. Using the wattmeter, measure the forward and reﬂected power

into the antenna system and calculate the SWR. The ratio should

be less than 2:1. Higher levels may indicate a problem with the

antenna or feedline.

6. Turn off Test Mode at the Access Point and Remote radio.

Main Menu>Maintenance/Tools>Radio Test>Radio Mode>Normal

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GE MDS 05-4558A01 User Manual Page 13