Installation Instructions

Site I/O , Span Line, RGPS and Modem Cabling for Sites Equipped With
Customer–Supplied Site I/O Interface
– continued
DEC 2000
4-27
SCt300 BTS Hardware Installation, ATP and FRU Procedures
PRELIMINARY
Table 4-25: Pin/Signal Information for Site I/O Cable
BTS Interface DescriptionWire/Stripe
Color
Brown/Grey Data from Head –
Brown/White Data from Head +
Red/Black Data to Head –
Red/Brown Data to Head +
Red/Orange 1 PPS from Head –
Red/Yellow 1 PPS from Head +
Red/Green 1 PPS to Head –
Sync Forward
Red/Blue 1 PPS to Head +
S
ync
F
orwar
d
Red/Purple RGPS 28V
Red/Grey RGPS Ground
Red/White RGPS 28V
Orange/Black RGPS Ground
Orange/Brown RGPS 28V
Orange/Red RGPS Ground
Orange/Yellow NO CONNECTION
Orange/Green NO CONNECTION
Orange/Blue RX TIP Primary (Network)
Orange/Purple RX RING Primary (Network)
Orange/Grey TX TIP Primary (Network)
Span (Network)
Orange/White TX RING Primary (Network)
S
pan
(N
etwor
k)
Yellow/Black RX TIP Secondary (Network)
Yellow/Brown RX RING Secondary (Network)
Yellow/Red TX TIP Secondary (Network)
Yellow/Orange TX RING Secondary (Network)
. . . continued on next page
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