User's Manual

AxxceLTE eNodeB

Installation Guide v1.0 - 10 -

3.2 Remote Radio Head (RRH) Connections

Figure 3.5 - Panel Detail for Remote Radio Head

POWERIN:

· Used to connect the RRH or integrated eNodeB to a power source. Nominal input

is -48VDC, with a maximum power consumption of 300watts for an integrated

eNodeB. Operable voltage range is -40..-60VDC.

· Uses a supplied, multi-pin circular connector.

CPRI-4 through CPRI-5:

· These CPRI ports are used to connect to a Baseband Unit and/or to other RRH’s

in a daisy-chain or star topology deployment scenario. These ports support CPRI

v4.1 with a line rate of up to 6144 MBps using field serviceable SFP modules for

single- or multi-mode fiber connections.

· Ports should be capped when not in use.

ANT1 and ANT2:

· These ports are used to connect to antennas via RF Type N connectors in both 2x2

and 4x4 MIMO configurations.

· Interface uses an N-type female connector.

ANT3 and ANT4:

· These ports are used to connect to antennas via RF Type N connectors when

deploying in a 4x4 MIMO configuration.

· Interface uses an N-type female connector. This ports are plugged in units that

only support a single 2x2 configuration. They should be capped if present and not

in use.

ANTRET:

· This port is used when Remote Electrical Tilt is desired for the antenna array.

This interface uses a standard ASIG V2 signal to control electrical tilt device.

· Interface uses an 8-pin DIN connector. RET is an optional feature and this port is

therefore not present on all units. If present, it should be capped when not in use.