Verilink PRISM 3030 (34-00208.L) Product Manual - Manual (Page 95)

B
FXS V
OICE
A
PPLICATION
M
ODULE
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
T R A N S P O R T
®
Telco Dial Tone
IN/ OUT WATS
AT&T, MCI, Sprint, etc.
Figure B-1 FXS Voice Module Applications