User's Manual

Site I/O, Span Line, RGPS, and Modem Cabling for Sites Equipped With

Primary Surge Suppressor

– continued

JAN 2002

5-21

SC300 1X BTS Hardware Installation, ATP, and FRU Procedures

DRAFT

Table 5-14: Pin/Signal Information for Site I/O Cable and Punchdown Block

BTS Interface DescriptionPunchblock

Location

Sync Reverse OSP 11T 1 PPS to Tail –

OSP 11R 1 PPS to Tail +

OSP 12T 1 PPS from Tail –

Sync Reverse

OSP 12R 1 PPS from Tail +

OSP 13T Downstream BTS Detect +

OSP 13R Downstream BTS Detect –

OSP 14T Data from Head –

OSP 14R Data from Head +

OSP 15T Data to Head –

OSP 15R Data to Head +

OSP 16T 1 PPS from Head –

OSP 16R 1 PPS from Head +

Sync Forward

OSP 17T 1 PPS to Head –

OSP 17R 1 PPS to Head +

OSP 18T RGPS 28V

OSP 18R RGPS Ground

OSP 19T RGPS 28V

OSP 19R RGPS Ground

OSP20T Unused

Unused

OSP20R Unused

OSP 21T RX TIP Primary (Network/Span A)

OSP 21R RX RING Primary (Network/Span A)

OSP 22T TX TIP Primary (Network/Span A)

Span (Network)

OSP 22R TX RING Primary (Network/Span A)

OSP 23T RX TIP Secondary (Network/Span B)

OSP 23R RX RING Secondary (Network/Span B)

OSP 24T TX TIP Secondary (Network/Span B)

Span (Network)

OSP 24R TX RING Secondary (Network/Span B)

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