Installation
169
Aastra 470 ab R3.0
syd-0337/1.5 – R3.0 – 05.2013
4. 8 Installing, powering and connecting terminals
4. 8. 1 Digital system phones
4. 8. 1. 1 General information
Accesses
The connections on the underside of the system phones are identified by the sym-
bols. The meaning of the symbols is described in the corresponding operating in-
structions.
DSI terminal interface
Tab. 78 DSI interface on the phone
Note:
The total length of the cables from the communication server to the sys-
tem phone must not be less than 10 m.
RJ45 socket Pin Signal
1—
2—
3b
4a
5—
6—






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