Kumu Self Backhaul UE Relay User Guide v1.1
Kumu Networks, 960 Hamlin Ct, Sunnyvale, CA 94089, www.kumunetworks.com
6.2
Electrical Interfaces
6.2.1
Ethernet Interfaces
The relay backhaul system provides two Ethernet interfaces. One is provided for the data connection to
the external eNB. The second provides out of band management functionalities.
Connector
2xRJ45
Ethernet Standards
IP rating
Compliant with overall system requirement
Cable type
Cat6
6.2.2
Power Interface
The relay accepts 110/220V standard inputs.
Power consumption
<150W
Input Range
90 - 264 Vac (Operating) 115/230 Vac (Nominal)
Input frequency
47 - 63 Hz
Input Current max
3.4 A @ 90 Vac full load
Inrush current
50 A
Protection
Transient protection and Hi Pot, Fuse
Connector
Phoenix 1521410 SACC-E-MINMS-3CON-PG13/0.5
IP rating
Compliant with overall system requirement
6.2.3
Access RF Interface (A eNB)
The access-side (eNB) interface provides the full-duplex front end functionality between the eNB and
the antenna. There are four connections, two to the eNB and two to the antenna. They are: eNB 0/1
(from the eNB), and ANT0/1 (to the antennas).
The product is not shipped with an integrated eNB.
Specification
Description
Number of connectors
2 in (eNB), 2 out (ANT)
Connector Style
N-type
Impedance
50 ohm
IP rating
Compliant with overall system requirement
Output RF Max Power
37 dBm
Ergonomic
1.5 center to center min (allow for gloved
hands)
6.2.4
Backhaul RF Interface (A UE)
The backhaul interface provides the full-duplex front end functionality between the UE and the antenna.
There are two connectors as the UE is 1T2R.
Specification
Description
