Lencore Spectra i.Net: Installation and Operations Manual - Manual (Page 50)

section 6
6.8 | telephone hookup to MPI
A POTS line is a 2 wire analog appearance that usually originates at a telephone company central office.
1) It is a 2 wire (Tip d Ring) analog appearance.
2) It is configured to be loop start.
3) Battery volta
is 48 Volts.
4) Loop current of 23 milli amps.
5) Must have DTMF signaling capability.
A POTS LINE IS A 2 WIRE ANALOG APPEARANCE THAT USUALLY
ORIGINATES AT A TELEPHONE COMPANY CENTRAL OFFICE.
It is a 2 wire (Tip and Ring) analog appearance.
It is configured to be a loop start.
Battery voltage is 48 Volts.
Loop current must be 23 milli amps.
Must have DTMF signaling capability.
Must have hang-up (winking) supervision capability. 2
4
5
1
3
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