Aastra OpenCom 130 User Guide - Page 52
Upn Ports, OpenCom 130
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Installation Port Assignment, Termination, Cable Lengths S0int S0ext 2a 2b 1a 1b 1a 1b 2a 2b 12345678 12345678 Switchable S0 port on a pressure terminal You can add further S0 ports to the OpenCom 130 / 150 by installing suitable interface cards in a slot. These S0 ports can be switched between internal and external operation. Annotation concerning an OpenCom 130: In contrast to the basic module, the expansion module does not provide any addi- tional RJ45 jacks for external S0 ports. Therefore you can also use the pressure terminals of the expansion module for an external S0 port. The port assignment of the pressure terminals is changed when the switch is made from internal to external operation. This can be seen in the diagram. Tip: Let us say you have activated an IAE on an internal S0 port, for example. If you switch this S0 port to external operation, you require a crossed ISDN line to connect the IAE to an NTBA. The assignment of a crossed line is described in the chapter PBX Networking under Direct Connection starting on page 156. 3.10.2 Upn Ports Each of the Upn ports enable the connection of a RFP 22 / 24 DECT base station, an Aastra 6771 / 6773 / 6775 (OpenPhone 71 / 73 / 75) or an OpenPhone 61 / 63 / 65 telephone using a twin-wire cable. Note: DECT base stations cannot be operated on the Upn ports of the basic module of an OpenCom 130. This is only possible for Upn ports on the interface cards of the expansion module. Note: Only the system telephones Aastra 6771 / 6773 / 6775 (OpenPhone 71 / 73 / 75) and OpenPhone 61 / 63 / 65 can be operated on the Upn ports of an OpenCom 131. Operating a DECT base station is not possible on these Upn ports. 50