User manual

DTS Broadcast PDH Microwave Digital Radio User Manual
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7.8 Commissioning The Protection System
Before applying power to the system, select the relevant protection mode of operation for the
installation on the redundant system controller front panel using the two-position rocker switch located
on the right side of the shelf. Select “A” on-line using the three-position rocker switch located on the
protection switch front panel.
7.8.1 Hot Standby Protection Mode
Use Section 5 as a general guide, but read the following instructions first:
1. Verify that all interconnect cables are installed.
 Power up IDU.
 Set upper IDU Traffic Capacity, Frequency, Transmit Power, Link ID Code and Tributary
Configuration per section 5.5.
4. 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 per section 4.5.
Note The setup of the both upper and lower L54’s must be identical for correct system
operation.
7. 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 IDU 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 Hot Standby Protection System is now ready to carry traffic.