User Manual

ADCP-75-179 • Preliminary Issue A • September 2004 • Section 3: Operation
Page 3-9
© 2004, ADC Telecommunications, Inc.
Figure 3-5. Signal Levels, Test Points, and Adjustments
FORWARD PATH
INPUT SIGNAL LEVEL
AT HOST UNIT
(-25 dBm TYPICAL
COMPOSITE FOR
FULL POWER)
HOST UNIT
REMOTE UNIT
ENHANCED BASE TRANSCEIVER STATION
20012-A
OPTICAL LINK
ANTENNA
QUADRAPLEXER/FILTER
FORWARD PATH SIGNAL
LEVEL AS SET BY HOST
FORWARD PATH
ATTENUATORS
(ADJUST TO -43 dBm
COMPOSITE
FOR FULL POWER)
REVERSE PATH OUTPUT
SIGNAL LEVEL AS SET BY HOST
REVERSE PATH ATTENUATORS
MAXIMUM OUTPUT SIGNAL
LEVEL AT ANTENNA PORT
(43.4 dBm AT FULL POWER)
FORWARD PATH SIGNAL
LEVEL AS SET BY REMOTE
FORWARD PATH
ATTENUATORS
LPA
LPA
EXTERNAL
ATTENUATORS
851-869
TRANS-
MITTER
935-940
TRANS-
MITTER
0 to 31 dB
ATTENUATORS
(HOST FWD ATT)
0 to 31 dB
ATTENUATORS
(HOST REV ATT)
0 to 31 dB
ATTENUATORS
(REMOTE FWD ATT)
RF, OPTICS,
AND CONTROL
RF, OPTICS,
AND CONTROL
896-901
RECEIVER
806-824
RECEIVER