Subscriber Line Interface Circuit - Single Line Audio-Processor Circuit
50 volt line current
75 volt AC burst ringer @ 13.3hz
16 channels per card - each channel consists of line interface circuit for amplification & ring generation along with line condition status monitor
Card has codec integrated circuit for encoding/decoding analogue sine wave into 8 bit digital samples 8000 times a second
Circuits can be set up for various combinations of long/short line working at 600 ohm balanced impendence
With the required Siemens digital card installed, Optiset & Optipoint phones are compatible with the following Siemens business phone systems.
Siemens Realitis DX
Siemens Hipath
Siemens Hicom
Siemens ISDX
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