Same product family
Ericsson
RRUS 12 B28C
What it does: Radio transmission / reception. TX / RX modes: 2 duplex RX/TX branches (2T2R); two PAs, one per branch.
2 part numbers: KRC 161 461/1 / KRC161461/1
Viewing: model overview
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Main specifications
TX / RX modes2 duplex RX/TX branches (2T2R); two PAs, one per branch
Interfaces / connectors2 × 7/16 antenna; 2 × LC-on-SFP optical; QMA RX cross-connect/co-site; 8-pin mini-DIN ALD/RET; external alarm; -48 V screw terminal; M8 ground
Interfaces and data rates2 data port(s); cascading support: yes; different line rates on different ports: yes; CPRI line rates: 1.2, 2.5 Gbps; conditions: [14] RRUS 12 B7 does not support different line rates on different ports.
Power supply-48 V DC nominal; -38.0 to -58.5 V DC operating, 0 to -60 V DC non-destructive; optional rear PSU AC: 100–250 V AC, 50–60 Hz (90–275 V tolerance)
Installation environmentOutdoor near-antenna wall, pole or mast mounting; normally vertical with cable connections down; indoor use is permitted with ventilation constraints
IP ratingIP55 outdoor requirement (IEC/EN 60529)
Additional technical information
- Family
- PN KRC161461 / 1; RRUS 12
For PN KRC161461 / 1. - Synchronization
- Traffic and timing signals over optical interfaces 1 and 2 between the RRUS and main unit
- Chassis
- Convection-cooled outdoor RRUS enclosure with solar shield; optional rear PSU and vandal-protection cover
- Modules
- Integrated TRX, two PAs, Filter Unit and DC/ALD/external-alarm surge-protection; approved optical SFP modules; optional rear PSU
- Functional role
- Near-antenna remote radio unit extending an RBS main unit over optical fronthaul in star or cascade topology
- Architecture
- Optical-fronthaul RRUS with TRX performing A/D-D/A conversion, filtering, gain/delay adjustment, predistortion and RF modulation/demodulation; two PA branches feed the Filter Unit
- Subtype
- 2T2R RRUS 12 remote radio unit
- Details
- Normal environment -40 to +55 °C and 5–100% RH; convection cooled; solar radiation ≤1120 W/m²; maximum front wind load 430 N at 50 m/s
- Connection notes
- DU/Baseband via CPRI
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