Channel connection IAE design 8 (4) 2x8 and (4) for the plug-in connection of one / two ISDN terminals (telephone, fax) of the plug is easy to use release lever upward. Through the 45 ° connection direction, the connecting line of the ISDN terminal case without overlap unten.die two sockets with 8-pin plug face eachother verbundenISDN terminator integrated 2 x 100 ohm in parallel on a circuit board and switched the S0 bus or U P0 is at the 4-pin screw terminal screw angeschlossendie enable the connection of a maximum of 3 wires with a diameter from 0.4 to 0.8 mmDesign-central plates of leading switch manufacturers fitting reference list on the Internet www.btr-netcom.com