120
C
ABLING INTERFACES
CHAPTER 4 INSTALLATION
temperature is higher than normal and/or with a system with maximum configuration. Normally
local exchanges produce a loop current of approx. 25 mA, which does not cause any restrictions.
• Circuit type as per EN/IEC 60950: TNV-3
Connection
Assignment of the RJ45 sockets on the front panel:
Table 4.16:Connection FXO network interface
Public analogue
network
Communication server
FXO signal Pin Socket
– 1
– 2
– 3
a 4
b 5
– 6
– 7
– 8
Table 4.17:Connection of four-fold assigned FXO network interface (Sheet 1 of 2)
Public analogue network Splitting with fan-out panel FOP or 8-fold assigned
connecting cables
Communicatio
n server
FXO signal FXO signal Pin Socket
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