Replacing the CCU Control PCB | BT BT Versatility specification

BT Versatility

Installation and Maintenance Manual

Replacing the CCU Control PCB

This PCB is NOT hot swappable. The System must be powered down to change this board

ESD precautions must be made when replacing this board. Connect to the ESD pillar on the CCU MDF before removing the CCU cover

The procedure to be used when replacing the CCU control PCB is:

1.Power the system down by unplugging the battery at the mains.

2.If a battery is installed turn off the BBU switch to disconnect the battery.

3.Remove any voice or network modules installed.

4.Open the CCU main cover by opening the four ‘quarter turn’ screws indicated in the first diagram below.

5.Remove the 008 card as indicated in the second diagram.

6.Remove the three fixing screws on the CCU control PCB as indicated.

7.Remove the power lead from the left-hand side of the CCU control PCB.

8.Slide the PCB to the left to remove it.

9.Reverse the above procedure to install a new PCB.

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BT BT Versatility manual Replacing the CCU Control PCB

Contents

BT Versatility Contents Introduction General overview Safety Precautions during installation and system upgrades Electrostatic precaution ESPLightning and surge voltage protection BT Versatility Pro. PlusIncludes System, VM, 1M,2V8 Maintenance items Installation checklist Mounting the CCU Installing the Central Control UnitCCU LocationCCU Wall mount bracket CCU Mounting bracket clearances CCU Mounting BracketCCU Bracket + Backplane Bracket 300mm min Modules located in the CCU Module location Installing the Backplane wall bracket System ExpansionMounting the CCU with two brackets Mounting the Backplane Mounting screw hole Expansion Modules Installing an Expansion module Push up to lock Analogue Module Installing the Analogue Module in the CCUAnalogue line module Remove the cover Locate the Module First network module To Locate the Analogue Module in the Ports Module Installing the Basic Rate Isdn Module in the CCU Basic Rate Isdn expansion moduleDigital Line Module Isdn First network module To Locate the Digital Line Module Isdn 2 in the Ports module Second Module. Can be external T or internal S System Isdn settings T0 interface terminationS0 interface termination Voicemail module Back up Voice Module voice messages and Greetings Primary Rate Interface Availability TBC Connecting the battery backup unit to the system Battery charger connector on the PSU Connecting the Battery Led Indicators Featurephone V16 Featurephone connections underside of phone V8 Featurephone connections underside of phone Attaching the Featurephone desk plinth V8 Position at 35 degrees V16 expansion console Feature phone with consoleTo connect the V16 Console to a Featurephone V16 only Expansion console Clip, Plinth and installation of the V16 expansion console Wall-mounting a Featurephone Line cord rails Wall hook when the V8/V16 is wall mounted Door Intercom Connecting the extensions Cabling the unitCabling Break outs Speech Pin Data Connecting a MOH Music On Hold Module CCU connectionsDoor Intercom Doorstrike Ports Module MDF Connections Connecting a PA public Address amplifierConnecting a PC or Printer to the Serial Port MOH Module contains Internet Module MDF Connections External Extension Options Module MDF ConnectionsCentral Bell Cable limitations Installing an additional Network Analogue or Isdn module Installing additional modulesExpanding an Existing system Maintenance procedures Hot Swapping faulty modules Replacing a faulty Module MDF Replacing Faulty PCBs Replacing the 008 extension board Replacing the CCU Control PCB Power supply unit spare fuse Replacing the Power Supply Unit Spare Fuse Replacing the CCU MDF Power fail AnalogueLine position Power up and test Switch onCommissioning Programming Equipped exchange linesIncoming ringing Call Barring Installation Wizard Internet Module Programming Adsl Isdn Recommendations for customer training Troubleshooting Technical specification 230 ± 10% V 50 Hz LAN Full remote support from a BT Maintenance Centre Index Offices Worldwide