Specifications
RailCorp Engineering Manual — Signals — Equipment Manual
Cerberus Level Crossing Monitor Field Equipment Manual TMG E1261
© RailCorp Page 4 of 89
Issued August 2012 UNCONTROLLED WHEN PRINTED Version 2.1
2.2.5.4 Troubleshooting........................................................................................25
2.2.5.5 Replacement Procedure...........................................................................26
2.3 Current sensor ........................................................................................................................26
2.3.1 Description...............................................................................................................26
2.3.2 Function...................................................................................................................26
2.3.3 Operation.................................................................................................................26
2.3.4 Configuration and Set-up.........................................................................................26
2.3.5 Troubleshooting.......................................................................................................27
2.3.6 Replacement............................................................................................................28
2.4 VIO ..........................................................................................................................................28
2.4.1 Description...............................................................................................................28
2.4.2 Function...................................................................................................................28
2.4.3 Operation.................................................................................................................28
2.4.4 Configuration and Set-up.........................................................................................29
2.4.5 Troubleshooting.......................................................................................................29
2.4.6 Replacement............................................................................................................29
2.5 Input Optoisolator....................................................................................................................30
2.5.1 Description...............................................................................................................30
2.5.2 Function...................................................................................................................30
2.5.3 Operation.................................................................................................................30
2.5.4 Troubleshooting.......................................................................................................31
2.5.4.1 Multiple Input Failures On One Board......................................................31
2.5.4.2 Testing A Single Input ..............................................................................31
2.5.5 Replacement Procedure..........................................................................................32
2.6 Output Optoisolator.................................................................................................................33
2.6.1 Description...............................................................................................................33
2.6.2 Function...................................................................................................................33
2.6.3 Operation.................................................................................................................33
2.6.4 Configuration ...........................................................................................................34
2.6.5 Troubleshooting.......................................................................................................34
2.6.6 Multiple Output Failures On One Board ..................................................................34
2.6.6.1 Testing a Single Output............................................................................35
2.6.7 Replacement Procedure..........................................................................................36
2.7 Cables .....................................................................................................................................37
2.8 Modem ....................................................................................................................................37
2.8.1 DPX-223 Modem .....................................................................................................38
2.8.2 DPX-213 Modem .....................................................................................................38
2.8.3 DPX-224 Modem .....................................................................................................39
2.8.4 Maestro Executive 144FM Modem..........................................................................39
2.8.5 Modem Replacement...............................................................................................39
2.8.6 Other Brand Modems ..............................................................................................39
2.9 Telephone line.........................................................................................................................40
2.10 Interface Relays and Timer.....................................................................................................40
2.11 Battery test resistor .................................................................................................................43
2.12 Signage for Remote Battery Test Sites...................................................................................43
3 Systems Maintenance Program...........................................................................................43