User manual

DTS Broadcast PDH Microwave Digital Radio User Manual
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7.8.3 Space Diversity Mode
Space Diversity requires the dual ODU/dual antenna configuration.
Use Section 5 as a general guide, but read the following instructions first:
1. Verify that all interconnect cables are installed.
Power up the upper IDU only. Set upper IDU Traffic Capacity, Frequency, Transmit Power,
Link ID Code and Tributary Configuration per Section 6.5.
3. Press HS key in the switch.
Select “B” on line using the three position rocker switch located on the protection switch front
panel.
Set lower IDU Traffic Capacity, Frequency, Transmit Power, Link ID Code and
Tributary
Configuration, section 5.5.
Note the setup of the both upper and lower L54’s must be identical for correct system
operation.
6. Align the antenna using the guidelines given in Section 5.6.
Select “A” then “AUTO” function on the switch using the three position rocker switch located
on the front panel.
LEDs for 2 IDUs should be normal: WORK led flicker, POWER led light on, and the other leds
light off.
The B, B TX and FD LEDs for switch should be light off; the others should be light on.
This indicates that B is functional and standing by.
The Space Diversity Protection System is now ready to carry traffic.