Verilink PRISM 3030 (34-00208.L) Product Manual Manual do Utilizador descarregar pdf (Página 95)

FXS VOICE

PPLICATION

MODULE

Applications The FXS Voice application module is used to interface up to six pieces of analog

telephone equipment (telephones or key equipment) to a T1 facility (DS0). Refer

to Figure B-1.

The module supports loop or ground start signalling (covered in the following

paragraphs). These signals are converted to robbed bit A/B T1 signalling.

The FXS voice application module supports:

✦ Receive loss of 0 dB to −11 dB

✦ Transmit −4.0 dB fixed

✦ Sequential bandwidth (DS0s)

✦ µ-law PCM encoding

Key

PABX

PRISM 3030

T1/FT1

2-wire

analog

lines

System

TRANSPORT

Telco Dial Tone

IN/OUT WATS

AT&T, MCI, Sprint, etc.

Figure B-1 FXS Voice Module Applications

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