Installation Guide

Table Of Contents
TETRA MBS UNIT. INSTALLATION GUIDE
F067646PT_2801
Page 51 of 62
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6.3.6.1.5 TWO MBS UNITS (DIFFERENT SUBBANDS) WITH DIVERSITY 2 IN RECEPTION
The connections are the following ones:
Power supply for the MBS Unit 1: 220/110 VAC or 24 VDC.
From ANT connector of the MBS Unit 1 to the antenna 1.
From DIV IN connector of the MBS Unit 1 to the antenna 2.
From ANT connector of the MBS Unit 2 to the antenna 3.
From DIV IN connector of the MBS Unit 2 to the antenna 4.
Connection with radio link through PoE connector (if the MBS Unit has SNI IP option this
connector is Layer 3).
Maintenance through PoE/ETH connector (if the MBS Unit has SNI IP option this connector
is Layer 3 otherwise is Layer 2)
TX
F1
: Transmission Output Frequency 1
TX
F2
: Transmission Output Frequency 2
RX1: Reception Chain 1 of Frequencies 1 and 2
RX2: Reception Chain 2 of Frequencies 1 and 2
Power
Radio
link 2
Radio
link 1
ANT
DIV_IN
DIV_OUT
POWER_IN
PoE/ETH
SYNC_OUT
POW
ER_OUT
PoE
ETH
SYNC_IN
Anten
na
3
(TX
F2
/Rx1
)
Anten
na 1
(Tx
F1
/Rx1)
ANT
DIV_IN
DIV_OUT
POWER_IN
PoE/ETH
SYNC_OUT
POWER_OUT
PoE
ETH
SYNC_IN
Anten
na 2
(Rx2)
Anten
na 4
(Rx2)