Replacement Of System Printed Circuit Board (Pcb) Modules - BT Inspiration Installation & Maintenance Manual

Replacement of system Printed Circuit Board (PCB) modules

• Record the system configuration and administration programming.
• Disconnect the power including the Battery Backup Unit.
• Unplug the Expansion Cards (if fitted).
• Ensure all extension, and ISDN line cabling, is tagged, to ensure it can be correctly reconnected.
• Disconnect the extension and ISDN line cables.
• Remove the PCB.
• Insert any expansion PCBs on the replacement PCB.
• Reconnect the extension and ISDN line cabling.
• Reconnect the power.
• Reprogram the system as required.
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