Specifications

Engineering Standard –NSW
Signalling SMS 02
Cerberus Level Crossing Monitor Equipment
March 2005 Version 1.2 © Australian Rail Track Corporation Page 80 of 118
This document is uncontrolled when printed.
Select lamp diagnostics mode. While the crossing is not operating,
check that no lamp diagnostic information is displayed for any lamp
channel. While the crossing is operating check that the correct
number of lamps is reported at least 95% of the time. If not
examine lamp adjustment, lamp types, and retry lamp learning.
Set modem initialisation string as per the form and reset monitor
with the modem connected and turned on.
Ensure both serial ports for the monitor are set at the correct
values.
Use a phone on the telephone line to make a test phone call.
Paying attention to any audible noise on the line. If the line is noisy
have Telstra fix the line.
Use the menus to enable reporting of status changes for serial
channel A. (only if level crossing monitor is reporting to a Control
Centre)
Use the menus to enable maintenance disable of reporting for
serial channel A.
Perform a battery test using the operations pin number and
measure the test current using a tong meter.
Cause a battery fault by pulling out the Alarm relay on the alarm card
in the battery charger. Confirm that this fault status is correctly
reported to the Control Centre. Restore the alarm relay and reset
the battery charger alarm card. Press the Fault Reset push button
on the front of the front of the monitor. Confirm that this normal
status is correctly reported to the Control Centre.
As a final check visually confirm and verify with the XR circuits that
the TEST SW ZK VIO is the correct voltage type and that it is
correctly marked in the circuits.
Check to confirm that the monitor case is isolated from the B12 and
N12 supplies. This is done as an additional check against
manufacturing defects or installation problems.
Get a copy of the log from the monitor. Examine the log to confirm
that it contains an accurate record of the events on the crossing
during the commissioning period with no anomalies or spurious
events. Unexplained event or problems must be investigated and
corrected.
One week after commissioning a copy of the log from the monitor.
Examine the log to confirm that it contains an accurate record of
the events on the crossing during the commissioning period with no
anomalies or spurious events. Unexplained event or problems must
be investigated and corrected.