BELL 904 4way Surface Door Entry Kit with Yale Lock Release
Part No.:
The 900 Series door entry systems are recognised for their high quality and competitive pricing and are widely accepted as the industry standard. Each system provides all of the components necessary to install a complete audio door entry system; including a surface lock release as standard. Please note the 203 lock release for inwardly opening doors only.
Cable requirements For optimum speach clarity, it is recommended that this system is installed using twisted-pair CAT5e, 4 pair twisted (8 cores) See our cables section. For cable distances greater than 50m or for other lock releases please contact us. An alternative cable for more than 4 stations is CW1308 Telephone Cable available in more that 8 cores .
For a Single Flat/Office 4 cores are required from the Entrance Door Panel Speech unit (Ref. 61) to the the Internal Wall Phone (Ref.801), This comprises of 3 for Speech and 1 for the Door Lock Relaese (R
Each 904 series system comprises:
4 x Model 801 Wall Mounting Telephones with Door Release Button
1 x Model SPA 4 Station Surface Front Door Panel
1 x Model 61 Speech unit (universal up to 10 way units)
1 x Model 203 Surface Yale Type lock release
1 x Model 212 12VAC PSU Transformer (universal up to 10 ways)
Full wiring and installation instructions
See our Product Files PDF below. 4 cores are common to all phones whether 1,2,3 Flats and so on, e.g. 3 from the speech unit ref.61 and 1 from the 203 lock release also required is 1 extra unique core per flat for the door panel call button. Using an 8 core cable allows up to 4 Flats/Offices to be wired from 1 x 8 core cable, the 4 that are common which loop from Flat to Flat and a unique core for each call button
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