Nokia of America Corporation BBTRX-22 Benutzerhandbuch

Typical indoor AISG Smart Bias Tee solution

The following figure shows a typical indoor AISG configuration using a Smart Bias Tee
solution:

Important! Smart Bias Tee is not required for the TxRx1 and TxRx2 ports on the
Alcatel-Lucent B25 RRH4x30.

RRH

TX1/RX1

TX2/RX2

ALD (AISG)

Antenna_1

RCU

OUT

Smart Bias Tee

(Bottom)

Port 2

Port 1

AISG

Remote antennas

Surge Prot

OUT

Smart Bias Tee

(Top)

Port 2

Port 1

AISG

RRH indoor

Smart Bias Tee configuration

Facilities bulkhead

Cable shield

grounded at

bulkhead entrance

Surge Prot

OUT

Cable shield

grounded at

bulkhead entrance

RRH1_TX1/RX1/AISG

RRH1_TX2/RX2

AISG interface

AISG cable requirements

....................................................................................................................................................................................................................................

January 2015

Alcatel-Lucent – Proprietary

Use pursuant to applicable agreements

9-5

R
AFT