TC12 Installation, Commissioning & Maintenance Handbook
6.3.1 General ........................................................................................................167
6.3.2 Configuring the Integral OTU PCB............................................................... 167
6.3.3 Connectors and Cables................................................................................ 170
6.3.4 Lamp Monitor Unit - Number of Current and Voltage Sensors..................... 176
6.4 COMMISSIONING........................................................................................... 177
6.4.1 Commissioning Procedure after Power Up ..................................................177
6.4.2 Configuration Using the Handset..................................................................178
6.4.3 Examples of Lamp Monitor Unit Configuration Using the Handset............... 183
6.4.4 LMU Commissioning.................................................................................... 186
6.5 MAINTENANCE............................................................................................... 189
6.5.1 Status LEDs .................................................................................................189
6.5.2 Effect of Incorrect Switch Settings on the OTU PCB.................................... 189
6.5.3 Fault Finding at the Outstation .....................................................................190
6.5.4 Lithium Battery .............................................................................................190
6.5.5 Recommended Spares.................................................................................190
FIGURES
FIGURE 1 - SYSTEM DIAGRAM FOR DIGITAL OUTPUT RACK CONNECTION TO A
WALL MAP................................................................................................. 8
FIGURE 2 - SYSTEM CONNECTION FOR TWO ITU RACKS...................................... 9
FIGURE 3 - TC12 CABINET - EXTERNAL DIMENSIONS........................................... 11
FIGURE 4 - TC12 INSTATION PC INSTALLATION SCREEN (7.4) ............................19
FIGURE 5 - TC12 INSTATION PC INSTALLATION SCREEN (8.3 & LATER).............19
FIGURE 6 - ITU 19" RACK (FRONT VIEW)................................................................. 22
FIGURE 7 - PSU BOARD LAYOUT .............................................................................25
FIGURE 8 - PSU BOARD SWITCH SETTINGS........................................................... 26
FIGURE 9 - PSU BOARD MAINS VOLTAGE RANGE SETTING ................................27
FIGURE 10 - MODEM PCB LAYOUT ..........................................................................30
FIGURE 11 - TRANSFORMER PCB LAYOUT.............................................................35
FIGURE 12 - ITU 19" RACK (REAR VIEW) .................................................................35
FIGURE 13 - DIGITAL OUTPUT PCB LAYOUT...........................................................36
FIGURE 14 - MODEM PCB - MDF CONNECTIONS ...................................................41
FIGURE 15 - TRANSFORMER PCB - MDF CONNECTIONS......................................43
FIGURE 16 - MODEM AND PSU PCB STATUS LEDS................................................48
FIGURE 17 - MASTER SWITCH PANEL FUSES........................................................ 60
FIGURE 18 - OUTSTATION PCB LAYOUT................................................................. 64
FIGURE 19 - OUTSTATION PCB AND DAUGHTER BOARD LAYOUT...................... 64
FIGURE 20 - OTU LITHIUM BATTERY ON / OFF SWITCH (S2)................................ 67
FIGURE 21 - OTU 2/4 WIRE SELECT SWITCH (S4).................................................. 67
FIGURE 22 - OTU 600 Ω HIGH IMPEDANCE SWITCH (S6).......................................67
FIGURE 23 - MODEM DAUGHTER CARD JUMPER POSITIONS.............................. 68
FIGURE 24 - OTU 6-WAY TELECOM SOCKET CONNECTIONS...............................70
FIGURE 25 - OUTSTATION INPUT CONNECTIONS..................................................73
FIGURE 26 - OUTSTATION OUTPUT CONNECTIONS..............................................74
FIGURE 27 - FREESTANDING OUTSTATION INPUTS..............................................76
FIGURE 28 - LMU INPUT CONNECTOR.....................................................................78
666/HE/43100/000 Page ix Issue 9