User manual

DTS Broadcast PDH Microwave Digital Radio User Manual
-80-
7.8.2 Frequency Diversity Mode
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 FD key in the switch.
4. Power up the lower IDU and select “B” on-line using the three position rocker switch located
on the protection switch front panel.
5. Set lower IDU Traffic Capacity, Frequency, Transmit Power, Link ID Code and Tributary
Configuration per Section 6.5.
Note: The setup of the lower L54 must be identical to the upper except for frequency.
Frequencies used on “A” and “B” terminals must be different for system to operate. Frequencies
will have been assigned by the customer’s frequency planning department.
6. Align one antenna system at a time using the guidelines given in Section 6.6.
7. Select “A” then “AUTO” function on the controller 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 HS and B LEDs for switch should be light off, the others should be light on.
This indicates that B is functional and standing by.
The Frequency Diversity Protection System is now ready to carry traffic.