INTRODUCTION
1
This Chapter provides information on the Transmitter
Interface Unit (NNR-A66) for use with Nucleus 3
Display equipment.
2
The Transmitter Interface Unit (TIU) is designed to
provide an interface between a MkV Transmitter and a
large interswitched system.
3
The majority of KH Transmitters are mains powered
and therefore do not require use of a TIU, as the CAN
Adapter PCB can be mounted in the Radar Interswitch Unit
NOTE:
Systems utilising the pre-MkVII Transmitter/Receiver will
either require a Transmitter Interface Unit, to enable
interfacing to the Nucleus 3 Display via the RIU or require
a CAN Bus adapter kit (NNR-A981) to be fitted in the RIU
for each Transmitter/Receiver connected to the Nucleus 3
Display. For information on the Radar Interswitch Unit
(RIU), refer to Chapter 8e.
4
A Transmitter Interface Unit can be used in systems
comprising up to six Nucleus Displays connected to up
to six Transmitter/Receivers.
PRE-INSTALLATION REQUIREMENTS
5
Prior to Installing the TIU (NNR-A66):
NOTE:
The dc power supplies to the MkV Transmitter are provided
via the TIU. Therefore the TIU should be located as close to
the MkV transmitter as possible. The maximum
recommended distance between the TIU and the MkV
transmitter is 35 metres.
(1) Ensure that adequate clearance is available for
maintenance.
(2) Check that the Input/Output cables can be easily
installed and have adequate clearance.
INSTALLATION
INSTALLATION REQUIREMENTS
6
The Transmitter Interface Unit (TIU) is designed to
interface a MkV transceiver with either a Nucleus 3
display or via an RIU interswitching up to six Nucleus Radar
Displays and Transceivers in any master/slave combination.
Space Requirements
7
Adequate clearance at the front of the equipment must
be maintained for access and servicing.
Position of the TIU
8
The Transmitter Interface Unit (TIU) is designed to be
bulkhead/wall mounted. Brackets are provided at
either end of the unit, for this purpose. The dimensions of the
TIU are shown in Figure 1d.
Weight
9
The Transmitter Interface Unit weighs 7kg
(approximately).
Power Supplies
10
Power supplies to the TIU are as follows:
11
110V or 220/230V nominal, single phase 50/60Hz.
Compass Safe Distances
12
The minimum safe distances are as follows:
Grade I:
0.2m
Grade II/III: 0.1m
KH 2020
Chap 8d
Amdt. 1
8d.1
Sep 01
CHAPTER 8D
TRANSMITTER INTERFACE UNIT
Summary of Contents for Kelvin Hughes Nucleus 3 5000 Series
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