RBS 2206 BTS
-- Thosindu Tharaka
The RBS 2206 is a member of the RBS 2000 relatives for inside applications, with up to six double Transceiver Units. The RBS 2206 is designed to be carried as a fully-assembled cabinet to the site. Almost all units inside the cabinet are accessible in the front in the cabinet, meaning that the cabinetry can be installed side by side with the backs against a wall. RBS 2206 BTS is composed with many functional modules. The RBS 2206 is a high-capacity indoor base stop. Either 900 MHz or 1800 Megahertz BTS the overall architecture of both are same in physical and practical wise. The modules of RBS 2206 BTS are situated as mentioning below.
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Primary Features of RBS 2206:
The RBS 2206 can support the following features:
вЂў 1, 2 or 3 sectors in one cabinet employing CDU-F or CDU-G
вЂў Co-siting (antenna sharing) with TDMA or WCDMA systems
вЂў Discontinuous transmission/reception
вЂў Duplex filters
вЂў Dynamic power rules
вЂў ADVANTAGE (hardware prepared)
вЂў External alarms
вЂў Frequency jumping
вЂў Placing with GPS/LMU
вЂў The airwaves configurations supported on 800, 900, toll free and early 1900s MHz вЂў Receiver diversity
вЂў Tranny Interface; to get following interfaces
T1 1 . 5 Mbit/s, 100 О©, with internal synchronization
E1 2 Mbit/s, 75 О©, with PCM synchronization
E1 2 Mbit/s, 120 О©, with PCM synchronization
вЂў Wide range power input a hundred and twenty - two hundred fifty V AIR CONDITIONER
You will find three editions of RBS 2206 cupboards;
п‚· -48 V to -60 Versus DC
п‚· 120 -- 250 V AC/ +24 V DC, 50/60 Hz
п‚· +24 V DC (without PSUs)
Mainly RBS 2206 case contains the the airwaves equipment, power supply and the followers for cooling. Battery back up copies should be encased outside the case. The main segments of the BTS are the following.
ACCU (AC Connection Unit):
The TOTALISATEUR handles circulation and connection/disconnection of the inbound AC power voltages for the PSUs. Connection/disconnection is done by main move connected to TOTALISATEUR. There's just one number of products of this ACCU.
FCU (Fan Control Unit):
The FCU controls four fans inside the cooling system by regulating fan speed. The FCU can be controlled by the DXU; the main managing card. Fiber cables getting the connectivity to BBS 2k module happen to be connected to EPC bus TD and EPC Bus RD ports pertaining to alarm and controlling operations. Only one volume of units can be bought for RBS 2206 BTS.
The POWER filter device is the program for +24 V DC power supply or perhaps battery backup. Just one number of models is available pertaining to RBS 2206 BTS.
CDU (Combining and Distribution Unit):
The CDU is the interface between the transceivers and the antenna system we. e. All of the feeder jumpers are connected to CDU. Most signals will be filtered before transmission and after reception by way of band move filters mounted in CDU modules. The CDU permits several dTRUs to share antennas. There are a more three CDUs in one RBS 2206. The CDU combines transmitted signs from several transceivers, and distributes the received sign to several transceivers. CDU can be utilized for ADVANTAGE also. Number of units: 1 - 3. Two diverse CDU types are used in the RBS 2206 to support every configurations: вЂў CDU-F is known as a filter ordonner intended for high capacity solutions. вЂў CDU-G can be configured either for high capacity or for high coverage. This can be a combiner that can be used for synthesizer hopping.
In the above determine you can see a CDU-G type CDU module for 900 MHz mainly because it indicates CDU-G9.
CXU (Configuration Switch Unit):
The CXU cross-connects the CDU plus the dTRU in the receiver course by using jumper cables. The CXU assists you to expand or perhaps reconfigure a cabinet without shifting or changing any RX cables. The RX inputs/outputs on the dTRU and the CDU...
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