User's Manual

SBS-900 Shore Based Radar Systems
Chapter 10: Corrective maintenance
KH-1602-2 issue 1: Standard SBS900 Systems Operator & Maintenance Handbook
Page 142 of 240
10.7 Transceiver enclosure
10.7.1 Safety notices
ANTENNA ROTATION SAFETY NOTICE:
When three-phase power is connected to the system and switched ON, the antenna may
rotate immediately regardless of the RUN command status.
Use the Antenna Rotation keyswitch, Man Aloft safety switches or antenna control in the
command and display system to stop antenna rotation in an emergency.
WARNING: Prior to commencing any maintenance procedure, users must familiarise
themselves with the health & safety warnings noted in the planned maintenance and
health and safety sections of the system handbooks.
AC supplies: Prior to carrying out any maintenance, the system must be fully isolated
and disconnected from the single and 3-phase AC supplies. This must include the full
isolation of any UPS supplies connected to the system.
10.7.2 System Part numbering
A number of options can be specified for the DTX-A7-* SBS-900 transceiver enclosure.
Currently, these options can be factory fitted or retro fitted in the field.
In order that the equipment can be ordered correctly, built & identified and supported in the
future with any valid number of options, the equipment part number is to be suffixed by a 6-
digit option number as below when an option is fitted:
The option code contains a digit for each available option, where:
' 0 = Indicates the option is not required, not fitted or not available.
' 1 = Indicates the option is required or fitted.
' n = Indicates the particular type of option is required or fitted.
DTX-A7-*- 0 = Not fitted
Not
allocated.
Reserved for
future use
Not
allocated.
Reserved for
future use
Not
allocated.
Reserved for
future use
Not
allocated.
Reserved for
future use
0 = Not
applicable
SBS-900
FAN KIT ,
SBS-A179
Project
Specific
Option,
(
see below
)
Example: DTX-A7-3-200000 is an SBS900-3 Transceiver Enclosure with two optional
fan kits fitted (dual transceiver).