Nautel XR12, Руководство по установке

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XR12 Installation Manual Audio and IBOC inputs
Issue 3.0 2009-07-15 Page 8-5
2. On the remote interface PWB, connect a jumper from
J3-23
, and a jumper from
J3-25
to
ground (
TB2-4
) permanently (or through the remote system). This will enable the IBOC
inputs on
Exciter A
and
B
. A connecter shell and solder pins for
J3
are provided in the
ancillary kit.
3. On the RF drive buffer PWB, set
E3
to
Low
to select low sensitivity by shorting pins 2 and 3.
4. On the RF drive buffer PWB, set
E1
and
E2
to
Ext
, by shorting pins 2 and 3.
Routing IBOC Installation Cables
1. Route IBOC cables through the cable entry hole in the transmitter’s top panel. See Figure 8.3
on page 8-6 ).
2. Route the cables through the ferrite toroid provided in ancillary kit. Route the
Mag
cable
toward the remote interface PWB at the top of the transmitter, behind the GUI panel, and
route the
Phase
cable toward the RF drive buffer PWB at the bottom of the transmitter.
Connections for an IBOC installation
1. Connect the NE-IBOC
Phase
output to
J14
on the RF drive buffer PWB (at the bottom of
the transmitter) using
Cat 5
cable. See Figure 8.1 on page 8-2 .
2. Connect the NE-IBOC
Mag
output to
J10
on the remote interface PWB (behind the GUI at
the top of the transmitter) using
Cat 5
cable. See Figure 6.3 on page 6-4 .