User Manual Chapter 8

Chapter 8: Maintenance 8-3
Replacing Antennas
Replacing a Receive Antenna
Use this procedure to replace a suspected malfunctioning receive
antenna.
1. Disconnect and remove the malfunctioning receive antenna.
2. Install and re-connect the new receive antenna.
3. Confirm that errors related to the replaced antenna are no longer
being logged.
Replacing a Transmit Antenna
Use this procedure to replace a suspected malfunctioning transmit
antenna. You MUST remove power from the CBSs during this
procedure. Removing a transmit antenna from a powered CBS can
damage the CBS transmitter circuitry.
1. Stop CBS communication using he DNCBSMTEST > 2. CBS Test >
6. Disable Communications option.
2. Power off all the CBSs in the system by powering off the power
supplies.
3. Disconnect and remove the malfunctioning transmit antenna.
4. Install the new transmit antenna.
5. Power up all CBSs in the system.
6. Re-start CBS communication using the DNCBSMTEST
DNCBSMTEST > 2. CBS Test > 3. Enable Normal Mode
Communications option.