User's Manual

ADCP-75-187 • Preliminary Issue 1B • November 2005 • Section 3: OPERATION
Page 3-8
© 2005, ADC Telecommunications, Inc.
Figure 3-4. Signal Levels, Test Points, and Adjustments for 800 MHz and 1900 MHz Systems
FORWARD PATH
INPUT SIGNAL LEVEL
AT HOST UNIT
(-20 dBm TYPICAL
COMPOSITE FOR
FULL POWER)
HOST UNIT
PRIMARY
ANTENNA
LPA
REMOTE UNIT
ENHANSED BASE TRANSCEIVER STATION
20653-A
EXTERNAL
ATTENUATOR
TRANS-
MITTER
RECEIVER
0 to 31 dB
ATTENUATOR
(HOST REV ATT)
0 to 31 dB
ATTENUATOR
(HOST FWD ATT)
RF, OPTICS,
AND CONTROL
0 to 31 dB
ATTENUATOR
(REMOTE FWD ATT)
OPTICAL LINK
RF, OPTICS,
AND CONTROL
DUPLEXER
FORWARD PATH SIGNAL
LEVEL AS SET BY HOST
FORWARD PATH ATTENUATOR
(ADJUST TO -40 dBm
COMPOSITE FOR
FULL POWER)
REVERSE PATH OUTPUT
SIGNAL LEVEL AS SET BY HOST
REVERSE PATH ATTENUATOR
MAXIMUM OUTPUT SIGNAL
LEVEL AT ANTENNA PORT
AT FULL POWER
38.1 dBm for 800 MHz
38.3 dBm for 1900 MHz
FORWARD PATH SIGNAL
LEVEL AS SET BY REMOTE
FORWARD PATH
ATTENUATOR