A connection is made, using the supplied patch lead from the standard BT telephone socket, or analogue line of an ISDN master socket, into the rear of port 1 on the host panel. If you have, or are planning connection to an ADSL service, then you will need an ADSL Splitter or Microfilter. The phone connection is then connected to the phone socket on this.

The host panel is specially configured on the rear when it is manufactured, to provide 4 extensions from one BT line (the maximum REN number that the BT network can provide being 4).

These telephone extensions can then be plugged into designated ports on your user panel with the patching leads supplied.

Four connected pieces of equipment at any one time are often enough but remember that if you have a fax or PC modem connected to an outlet, in addition to a phone, using a 2 way splitter, then this outlet will count as at least two REN.

You can have more devices connected by increasing the maximum REN for your system. Using a REN amplifier you can boost the total REN for your system to 11. (The REN amplifier simply plugs in line in the master socket, and the lead from the patch panel then goes into the REN amp. Mains power is required.) This allows you to add extra voice host blocks to increase the number of ports in groups of 4 ie 4, 8, 12 and patch these to outlets using patch leads in the normal way. The extra 4 port voice host block is daisy-chained to the first block on the rear.

If you require a second incoming line to be made available to the system, you require a second voice host expansion kit. This includes the 4 port voice host block, the BT launch lead and 4 off 300mm green patch leads.

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