A1.2.3 Pots Line Interfaces - AVT MAGIC THipPro Hardware Manual

A1.2.3 POTS Line Interfaces
MAGIC THipPro can be equipped with 2 pieces of 4 x POTS modules and the-
refore provides 8 x POTS interfaces. The POTS interfaces are available on RJ
11 sockets. The pin assignment is shown in TAB. 3.
TAB. 3
1 6
Socket: Western (6 pin) RJ11
Pin Signal
1 not used
2 not used
3 TEL LINE +
4 TEL LINE -
5 not used
6 not used
PIN ASSIGNMENT: POTS LINE INTERFACES
Electrical characteristics
Typical characteristics:
Bandwidth:
Signal to noise ratio:
Average level:
Impedance:
DC voltage:
DC current:
Ringing voltage
Ringing frequency:
I n t e r f a c e s
300 - 3.3 kHz
45 dB
-9 dBm (275 mV)
600 ohms
48 V (±6 V typ)
20-26 mA (typ)
90 Vrms
20 Hz (2 sec on, 4 sec off)
P A G E 2 7