2.12 AVL Card

The card contains 8 AVL ports.

• Support of broadcasting of CLIP into the connected telephone sets via DTMF or FSK.
• Support of status signalisation, for pulse signalisation a constant polarity reverse is generated.
• The card is installed into any line position of the basic or the extension modules

8x ASL port 

• Interface type – U analogue with power supply –60V
• Signalisation – reverse polarity, 
• CLIP broadcasting – FSK, DTMF
• Connection – RJ45 – two-wire
• Pin4 = GND, 0V
• Pin5 = –60V