Installation
163
Aastra 470 as of R3.2
syd-0337/1.6 – R3.2 – 09.2014
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. 79
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.
Terminal selection
Two system phones can be connected to a DSI interface (DSI-AD2 only). The system
can only differentiate the two system phones by the position of the address switch
on the phone. The following settings are possible (TSD = Terminal Selection Digit):
• TSD1
• TSD2
Note:
In the following cases
Not Configured
is displayed along with the node
number, the slot number and the port number. In this state the system
phone is not ready for operation:
RJ45 socket
Pin
Signal
1
—
2
—
3
b
4
a
5
—
6
—