Specifications

Engineering Standard –NSW
Signalling SMS 02
Cerberus Level Crossing Monitor Equipment
March 2005 Version 1.2 © Australian Rail Track Corporation Page 58 of 118
This document is uncontrolled when printed.
4.1.4 Interrogating the Monitor
The control, interrogation, and reporting facilities are provided via
the RS232 serial ports labelled channel A, and channel B. Normally
a dial-up modem is connected to channel A. Maintenance staff may
perform the functions described below using a Personal Computer
and one of two programs. Either the MS-DOS based program
named LX_MAINT.exe or the MS-WINDOWS 3.1/WIN95 based
programme named “Cerberus”.
Connect one end of the serial cable to a COM: port on the PC.
Connect the other end to Channel B on the Monitor.
4.1.4.1 PIN Numbers
The level crossing monitor uses 3 PIN numbers. These are known
as the master, operations, and maintenance PIN numbers. They are
used to provide security on important functions. They should only
be revealed on a need to know basis.
The master PIN number is only used to set the operations and
maintenance PIN numbers.
The operations PIN number is used for the following commands:
 Test Battery
 Set phone numbers
 Reset fault and warning
 Set date and time.
The maintenance PIN number is used for the following commands:
 Set battery offset
 Clear log
 Set lamp offset
 Lamp learn
 Set modem string
 Reset monitor
The PIN numbers will be common for a Region and are available
through the District Signal Engineer or Standards & Technical
Services Engineer