For use as the first socket-outlet on a direct exchange line or PABX line. They contain surge protectors (for line protection against electrical surges) and capacitors. Wiring regulation restrictions. Any number of sockets may be installed thereafter, with a maximum of 5 telephones. normally being allowed on one exchange line. Commercial installations: Our telephone sockets are suitable in all situations after the PBX/PABX . For key systems and other ‘special’ systems, the manufacturer’s instructions should be referred to.Telephone sockets should not be installed into the same fixing or mounting boxes as mains rated cable. The XTF professional quality pre-filtered telephone socket, descrete filtration with maximum compatibility & performance. The XTF pre-filtered socket contains the same high quality filter as our highly respected XF-1e. Containing four high quality ferrite cores to ensure that accurate frequency separation is achieved. The XTF comes in two standard sizes 85mm & 68mm and can be used to replace an existing telephone socket or add a new extension.

Telephone socket. 2 gangs. 1pc/poly bag, 10pcs/color box. Allows connection of telephone equipment without using separate microfilters. IDC terminals on the rear allow connection of additional hardwired telephone extensions. Ideal for people who would rather not have filters plugged in to the telephone socket or situations where equipment must be hardwired to the line such as alarm systems. Accurate separation ensures that overspill is minimised. Overspill is where the ADSL signal leaks in to the voice frequency range or speech interferes with the ADSL signal. The high quality, low tolerance components used in the XF-1e ensure that your ADSL service will run at maximum performance and that your telephone calls will be free of interference. Designed to exceed the the BT SIN 346 v2.2 guidelines for UK microfilters the XTF offers complete compatibility with BT services such as CLI (Caller ID). The XTF is designed for maximum compatibility with even the most complex telephone equipment. Fully compatible with DECT cordless phones and PABX systems.