Specifications

RailCorp Engineering Manual — Signals — Equipment Manual

Cerberus Level Crossing Monitor Field Equipment Manual TMG E1261

Issued August 2012 UNCONTROLLED WHEN PRINTED Version 2.1

d) Remove the existing EPROM if one is fitted by using a IC extractor to grip both

ends and pulling up.

e) The new EPROM must be inserted in the correct orientation. The notch on the

EPROM socket must match the notch on the EPROM. The pins on the EPROM

may have to be flattened first if the EPROM is being inserted without an

insertion tool.

f) Align the EPROM and its pins to the socket.

g) Push the EPROM down into the socket. Taking care not to bend any pins.

h) Check the EPROM is orientated correctly and all pins are properly seated.

i) Replace the ADC board if it was removed.

j) Push the I/O Board all the way in and do up the securing screws.

Note: If power is applied to a board with the EPROM incorrectly inserted, it may

damage the EPROM or the I/O Board.

3.1.4 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 the Cerberus software.

Connect one end of the serial cable to a COM: port on the PC. Connect the other end to

Channel B on the Monitor.

3.1.4.1 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 Signal Engineering, Technical Services.