Interfaces and Connectible Terminals S
0
Ports
40
5.2 S
0
Ports
All of the eight S
0
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 S
0
ports have been implemented as RJ45 sockets.
Pin Assignment
S
0
interface pin assignment
Overview: Interfaces and Connectible Terminals
Interface Terminals/Systems Page
S
0
(internal) ISDN terminals (DSS1 protocol):
telephones, fax machines, base stations and handsets,
ISDN cards for PCs
40
U
pn
Digital terminals (ISDN terminals, system telephones)
and DECT base stations
44
a/b Analogue terminals:
telephones, G3 fax machines, (external or internal)
modems, external music-on-hold devices, external
voice mail systems, external intercom systems
48
LAN Connection to a LAN (local area network) or a DSL
modems
51
Connection of VoIP terminals 111
COM / V.24 Connection of a PC (for transmitting connection data) 52
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