Aastra OpenCom 510 User Guide - Page 42
S0 Ports
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Interfaces and Connectible Terminals S0 Ports Overview: Interfaces and Connectible Terminals Interface Terminals/Systems Page S0 (internal) ISDN terminals (DSS1 protocol): 40 telephones, fax machines, base stations and handsets, ISDN cards for PCs Upn Digital terminals (ISDN terminals, system telephones) 44 and DECT base stations a/b Analogue terminals: 48 telephones, G3 fax machines, (external or internal) modems, external music-on-hold devices, external voice mail systems, external intercom systems LAN Connection to a LAN (local area network) or a DSL 51 modems Connection of VoIP terminals 115 COM / V.24 Connection of a PC (for transmitting connection data) 52 5.2 S0 Ports All of the eight S0 interfaces on the MX+S01-8 interface card are switchable, i.e. they can be used either for external connections (ISDN basic access or a second PBX) or for internal connections (ISDN terminals). It is not possible to use these interfaces simultaneously for both types of connections. The S0 ports have been implemented as RJ45 sockets. Pin Assignment ++- - 12345678 S0 interface pin assignment 40