Site I/O , Span Line, RGPS and Modem Cabling for Sites Equipped With
Customer–Supplied Site I/O Interface
– continued
PRELIMINARY
SC
t
300 BTS Hardware Installation, ATP and FRU Procedures
DEC 2000
4-30
Connecting a Phone Line to the
Site I/O Interface (Modem
Support)
The unit provides a two–wire analog phone line interface for modem
support. The unit Tip and Ring signals are connected to the external
phone line Tip and Ring.
4