Intercom Communications (UK) Ltd
Zenitel Channel Partner
+44 (0)1638 660 629

Cable Specifications for AlphaCom Intercom Exchanges

“The cable Specifications for AlphaCom Intercom Exchanges requires two-pair star wired cable, we recommend  CAT 5/6 Network cable, please see the following cable size and length chart for the two analogue feature cards”

used with the AlphaCom E & XE range.

Wire DiameterMax. distance ASLT BoardMax. distance ATLB Board
0.5 mm 24 AWG1.4 km 5,000 feet6 km 20,000 feet
0.6 mm 22 AWG2.0 km 7,000 feet8 km 26,000 feet
0.8 mm 20 AWG3.4 km 11,000 feet10 km 33,000 feet
0.9 mm 18 AWG4.0 km 13,000 feet10 km 33,000 feet

AlphaCom XE Exchange

With AlphaCom XE, flexibility is key. You can have just a few or thousands of users spread around different locations. Thanks to its open, modular design and scalable architecture, AlphaCom XE has the flexibility to grow with your business and adapt to your long term needs. The system can be tailored to support applications of almost unlimited specificity and complexity.

Alphacom XE User Guide

Installing the Exchange

The cabinet should be mounted on a shelf or in a 19” rack.

  • All cables are terminated to connectors at the rear of the cabinet.
  • Two RJ-45 Ethernet terminals are used for IP LAN, WAN, Internet and AlphaNet IP communication.
  • The serial ports with RS232 and RS422 interfaces are used for connecting to equipment using these protocols.
  •  The unit is powered from a 90-270 VAC via a 5 VDC power supply at 4 W maximum.

Subscriber Board, ATLB-12

Subscriber Line Board, ATLB-12

  • High capacity line card for analogue telephone
  • 12 analogue telephone connections
  • Hotline and DTMF dialling
  • 6 programmable remote outputs

Size (W x H x D) 230 x 263 x 10 mm
Weight 0.5 kg
1009104000 Subscriber Line Board, ATLB-12

Subscriber Board, ASLT

Subscriber Line Board, ASLT

  • 6 channels for traditional intercom subscriber connections per card
  • 6 programmable remote outputs

Size (W x H x D) 230 x 263 x 10 mm
Weight 0.5 kg
1009101010 Subscriber line Board, ASLT



Here at RingUK we have a considered approach to Specifying Intercom Systems, based on methodically detailing every aspect of each client’s needs. It is then and only then that we are accurately able to design an intercom system that fulfills the exact specifications of the client.

Over the years Specifying Intercom Systems this exacting approach has enabled us to develop a solid aggregate understanding of each sector whose intercom requirements we deal with. In drawing upon this we are able to quickly develop a blueprint that we then tailor to the specifics of each client’s brief. The efficacy of this procedure means we are very rarely unable to overcome unforeseen problems – if ever.

You cannot buy experience, and it’s our experience in Specifying Intercom Systems that makes us great at adapting and thinking laterally to devise the best intercom solution for our clients. This often means taking a standard intercom system and integrating it with specialized design features to create a setup that is equal in its uniqueness to the exacting needs of the client.

This is all part of an overall standard of service that we feel is unavailable elsewhere within our industry. We place a premium on total customer satisfaction, which is why we are always looking to extend and improve our product range, and to maximize value. Our position within the industry in terms of our size, reputation and our relationship with suppliers means we are able to cut costs without cutting corners.

With many years of experience in the broadcast and communications industry, RingUK have built  up an impressive portfolio of products and knowledge from leading  manufacturers.

Distributor, Partner & Resellers For:

RingUK specialises in assisting buyers, specifiers and end-users in the process of recommending and purchasing specialist communications equipment for various commercial applications including:


Our specialist communications advice team has over 25 years of experience, specifying and commissioning communications systems that meet the objectives of our clients. Our service centres on enabling our clients with the information necessary to make an informed decision when investing in suitable communications equipment.

For more information

    Contact intercom specialists Ring UK today for professional advice about which system you should go for. We will assess your requirements and research and explain all the options available to you to help you or your client choose a perfect Intercom system that meets your needs.

Contact us via our Intercom Enquiry Form


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