Manualshelf

Service Manual

ManualsBrandsNokia Solutions and Networks ManualsElectronicsGSM 1900 Base Transceiver Station
161162163164165166167168169170
GSM-205-323
CCB
31st Oct 01
Tech. 5–48
Technical Description: Horizon
macro
indoor
CONTROLLED INTRODUCTION
68P02902W07-B
Figure 5-32 shows two DCS1800 CCBs with main and redundant control boards
fitted.
ig.319.rh
CCB CONTROL BOARDS
ANTENNA CONNECTOR
Figure 5-32 DCS1800 CCBs with control boards fitted
CCB
configuration
The master CCB has a second output to enable the extension CCB to be
connected. The bandpass filter can then serve both CCBs in parallel. Any
unused output is terminated with a short circuit stub. The two configurations are
shown in Figure 5-33.
Figure 5-33 CCB configurations