Site I/O, Span Line, RGPS and Modem Cabling for Sites Equipped With
Primary Surge Suppressor
– continued
DEC 2000
5-31
SC
t
300 BTS Hardware Installation, ATP and FRU Procedures
PRELIMINARY
Connecting the Span Line
Cable to the Primary Surge
Suppressor
The unit provides two, four–wire JT1 interfaces for backhaul support.
Each interface is made up of Transmit Tip/Ring and Receive Tip/Ring
connections.
The Transmit and Receive data flow is given from the perspective of the
unit. Only a single span line (Primary) is required for BTS operation.
Connecting a Phone Line to the
Primary Surge Suppressor
(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.
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