AR60X Installation Manual
3.10QUAL and RSL Test Cable
The alignment procedure is optimized through the use of the provided test cable. This test cable is designed for use with a digital voltmeter (not provided) to read the Link Quality and Receive Signal Level (RSL) voltage generated by the radio’s receiver.
1.To read the RSL value of the radio, insert GND (ground) and RSL banana plugs into the voltmeter. Note the RSL voltage. The voltage may be fluctuating; in this case, note the maximum value seen.
Figure 315: Top view of test cable provided to check Link Quality & Receive Signal level
2.To read the Link Quality value of the radio, insert GND (ground) and QUAL banana plugs into the voltmeter. Note the Link Quality voltage. After the radios have performed an auto calibration the quality voltage should read 3.3V if the link is aligned on the main antenna beam and there are no obstructions (i.e., trees, buildings, etc…) in the path, the link distance is within the operating parameters of the radio (see Section 2.4 above), and it is not raining heavily. AR radios may have less than 3.3V Quality in 1000 Mbps mode and still operate normally; this would indicate that the AR link is operating near the distance limit for Gigabit Ethernet performance.
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