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81304_1.book Page 16 Tuesday, July 31, 2007 2:44 PM
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RF1
RF2
LNB
VHF/UHF
POWER
RHCP/+13V
INPUT
OUT 1
OUT 2
IRD 1
IRD 2
IRD 3
To connect three or four IRDs:
1. Connect an RF cable to 'RF1' and another to 'RF2' on the
antenna base plate.
2. Connect 'RF1' on the antenna base plate to 'ANT RF1' of the
ACU.
3. Connect an RF cable from 'RECEIVER' on the ACU to 'LNB
LHCP/+18V' on the multiswitch.
4. Connect the 'RF2' cable to 'LNB RHCP/+13V' on the
multiswitch.
5. For each output required, connect an RF cable from an 'OUT'
connector of the multiswitch to the 'LNB' or 'ANT' connector
of the individual IRD units.
LNB
24V DC
LHCP/ +18V
6. Terminate any unused connections with a suitable 75 Ohm
Multiswitch
DC terminator block.
7. Connect the multiswitch to the appropriate DC power supply.
OUT 3
OUT 4
Multiple IRDs - DirecTV
This version of a multi-switch uses a multi-switch and a DiSEqC
supplier - Raymarine Part No. A96014 - and enables you to
change the satellite being tracked as you change channels using
the IRD master instead of the ACU.
To connect a multi-switch and DiSEqC supplier:
Note: Numbers in brackets refer to the diagram.
1. Connect an RF cable between 'RF1' of the antenna base
IRD 4
plate and 'ANT RF1' on the ACU.
2. Connect an RF cable between 'RECEIVER' on the ACU and
'ANTENNA RF1' of the DiSEqC supplier. (1)
3. Connect an RF cable between 'RF2' of the antenna base
plate and 'LHB RHCP/+13V' of the multi-switch.
4. Connect an RF cable between 'Multi S/W 18V' of the
DiSEqC supplier and 'LHCP (+18V)' of the multiswitch. (2)
Raymarine 37STV Satellite TV System
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