Specifications of the CPRI Ports on the BBU
lists the specifications of the CPRI ports on the boards in the BBU.
Table 3-12
Specifications of the CPRI ports on the boards in the BBU
Board
Number of CRPI
Ports
Transmission
Rate of the CPRI
Port
Supported
Topology
GTMU
6
1.25 Gbit/s
Star, chain, or ring
GTMUb
6
1.25 Gbit/s or 2.5
Gbit/s
Star, chain, or ring
UBRI
6
1.25 Gbit/s or 2.5
Gbit/s
Star, chain, or ring
WBBPa
3
1.25 Gbit/s
Star, chain, or ring
WBBPb
3
1.25 Gbit/s or 2.5
Gbit/s
Star, chain, or ring
WBBPd
6
1.25 Gbit/s or 2.5
Gbit/s
Star, chain, or ring
LBBPb
6
1.25 Gbit/s or 2.5
Gbit/s or 4.9 Gbit/s
Star, chain, or ring
LBBPc
6
1.25 Gbit/s or 2.5
Gbit/s or 4.9 Gbit/s
Star, chain, or ring
Specifications of the CPRI Ports on the RFUs
lists the specifications of the CPRI ports on the RFUs.
Table 3-13
Specifications of the CPRI ports on the RFUs
RFU
Number of CRPI
Ports
Transmission
Rate of the CPRI
Port
Supported
Topology
DRFU
2
1.25 Gbit/s
Star or chain
GRFU
2
1.25 Gbit/s
Star or chain
WRFU
2
1.25 Gbit/s or 2.5
Gbit/s
Star or chain
MRFU
2
1.25 Gbit/s
Star
MRFU V2
2
1.25 Gbit/s or 2.5
Gbit/s
Star
3 BTS3900 Hardware Configuration
BTS3900
Hardware Description
3-24
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Issue 04 (2011-02-15)