User Manual

BTS Equipment Identification – continued
1-32 1X SC4812T–MC BTS Optimization/ATP 5/21/04
DRAFT
Top Interconnect (I/O) Panel
All cabling to and from the BTS equipment frames is accomplished at
the I/O panel (seeFigure 1-12and Figure 1-13) on top of each frame. The
I/O panel layout is identical for +27V and –48V frames starter and
expansion frames with the exception that the power input label is
voltage–specific and the RX Expansion port location changes as shown
inFigure 1-12and Figure 1-13. Connections at the I/O panel include:
S Span lines
S RX antennas
S TX antenna
S Alarm connections
S Power input
S LAN connections
S RF GPS input or Remote Global Positioning System (RGPS) on the
Site I/O Board
S RGPS Distribution (RGD) card
S Expansion frame connection
S Ground connections
S ESM
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