User's Manual

Installation Procedure

Fitting the Control Unit

All of the equipment within the control unit box is mounted on a removable plate. It is important

that while the box is being drilled for cable-entry conduits and being secured to the wall that the

equipment is removed to prevent metal swarf from falling onto PCBs.

Cable Requirements

Use 0.5mm solid-core twisted-pair telephone cable (BT specification CW1308, or equivalent)

for all telephone and door panel connections; this is essential for correct operation of the

system and for compliance with European EMC Directive 89/336/EEC. Avoid running any cables

alongside mains or other data transmission wiring.

Connections to each Door Controller

(CTX PCB)

Cores Diameter Max.Length

Speech Unit (Door panel) 5 0.5mm 50m

Lock release

(0.5A rating)

2 0.5mm

1.0mm

25m

100m

Exit / Fireman’s Switch or Door Open Switch 2 0.5mm 100m

Tone Output/Sounder 2 0.5mm 100m

Engage Lamp 2 0.5mm 100m

Connections to Push-buttons - as per diagrams

Connections to Telephones (full isolation)

500D Telephone 5 0.5mm 100m*

500X Telephone 6 0.5mm 100m*

500LX/500LXT Telephone 7 0.5mm 100m*

These restrictions are unlikely to be exceeded in most circumstances; if they present a problem

please contact the Manufacturer for further advice.