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
4-26
Pin and Signal Information for
Site I/O Cabling
Table 4-25 gives the pin and signal information for the Site I/O cable.
Table 4-25: Pin/Signal Information for Site I/O Cable
BTS Interface
Wire/Stripe
Color
Description
Black
Customer Input 1 Signal
Brown
Customer Input 1 Ground
Red
Customer Input 2 Signal
Orange
Customer Input 2 Ground
Yellow
Customer Input 3 Signal
Green
Customer Input 3 Ground
Blue
Customer Input 4 Signal
Customer Input
Purple
Customer Input 4 Ground
Customer Input
Grey
Customer Input 5 Signal
White
Customer Input 5 Ground
Black/Brown
Customer Input 6 Signal
Black/Red
Customer Input 6 Ground
Black/Orange
Customer Input 7 Signal
Black/Yellow
Customer Input 7 Ground
Black/Green
Customer Input 8 Signal
Black/Blue
Customer Input 8 Ground
Black/Purple
Data to Tail –
Black/Grey
Data to Tail +
Black/White
Data from Tail –
Brown/Black
Data from Tail +
Sync Reverse
Brown/Red
1 PPS to Tail –
Sync Reverse
Brown/Orange
1 PPS to Tail +
Brown/Yellow
1 PPS from Tail –
Brown/Green
1 PPS from Tail +
Brown/Blue
Downstream BTS
Brown/Purple
Downstream BTS Detect –
. . . continued on next page
4
