User manual

ADCP-75-154 • Issue 3 • August 2006
Page 13
© 2006, ADC Telecommunications, Inc.
Figure 13. Tower Mounted Amplifiers
HARD
LINE
FEEDLINE
JUMPER
TEST
POINT
HARD
LINE
SHELTER
ANTENNA
JUMPER
CHECK IF EXTERNAL JUMPERS
OR SURGE PROTECTORS PRESENT.
IF A SURGE PROTECTOR IS
ANYWHERE IN BETWEEN
THE BIAS-T AND THE TMA
IT MUST BE ABLE TO PASS DC.
COMMON FAILURE POINTS
ARE THE ANTENNA AND FEEDLINE
JUMPERS/CONNECTIONS.
ORIENT THE TMA SO THE
RF CONNECTORS POINT
TOWARDS THE GROUND.