The design-capable ISDN S0 outlets from the series UMJ45 comprise an installation system based on 8-pole RJ45 jacks according to the standard EN60603-7 for ISDN S0 bus. Connection is 4-, 6- or 8 -pole. The 4-pole connected ISDN S0 outlets are marked to the specifications of German Telekom with 1a,1b for transmit and 2a, 2b for receive. The outlets are using a 50x50 mm mounting plate and are therefor suitable for use with the devices of other manufactures.The modular jacks are as 45° design deliverable.The UP0 interface is a two-wire interface for telephone systems. unshielded stable, compact, ergonomic construction, that provides secure hold during installation stand-alone surface mounting type available, no surface mounting add-on kit required Overbend protection: 6- (RJ11/12) and 8-pin connectors (RJ45) can be used interchangeably in the outlets without additional installation kits conventional cable ties that are part of the standard delivery provide strain relief for cables flush mounting type: cable infeed through centric cable strain relief from eight directions in 45° increments surface mounting type: cable infeed from four directions in 90° increments can be installed either horizontally or vertically in the cable duct using a four-hole bearer ring and freely selectable cable infeed detachable vertical fixing rail of the four-hole bearer ring (e.g. for subfloor installation) types with low installation depth (29 mm), can be installed in floor tank without problems can be combined with covers of a wide variety of switching programs simple wire presorting guarantees great transmission performance without damaging the wires protection flaps can be retrofitted, on request, can be delivered already integrated to the customers specifications Cover plate can be retrofitted with a flip-up loss-proof, transparent label field, or can be delivered preinstalled according to the customers specifications UMJ45 8(4)/8(4) SK Ap Tel. UP0/Tel., screw termination alpine white