2.048Mbps Wireless Modem

2.Loosen the screws on the U-bolt that fasten the receive antenna to the mast (or the bolts on the wall mount) and slowly move the antenna up and down (elevation) and from side-to-side (azimuth) until you receive a maximum RSSI reading on the DVM. (See Figure 2-15).

3.Tighten the screws on the U-bolt (or the bolts on the wall mount).

Figure 2-15. RSSI test point accuracy.

To fine-tune the antenna alignment using a DVM near the receive antenna:

The modems can be configured send a DC signal through the RCV antenna connector. This signal is proportional to the RSSI voltage, which is present at the RSSI output on the rear panel.

1. Set a Bias-T connection before the Receive Antenna.

Figure 2-16. A Bias-T connection for RSSI measurement near the Receive Antenna

2. Set the jumpers in the Receive module of the 2.048Mbps Wireless Modem to the RSSI position.

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Black Box MWU2000-V35, MWU2000-G703, MWU2000-X21 manual Rssi test point accuracy