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BTS Equipment Identification
1
Top I/O (Interconnect) Plate
1-26
All cabling to and from the BTS equipment frames is via the I/O
interconnect panel (see Figure 1-8 and Figure 1-9) on top of each frame.
The IO Plate 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 in
Figure 1-8 and Figure 1-9. Connections made here include:
Span lines
S
RX antennas
S
TX antenna
S
Alarm connections
S
Power input
S
LAN connections
S
GPS input or Remote Global Positioning System (RGPS) on the Site
S
I/O Board
Remote Global Positioning System Distribution (RGD)
S
Expansion frame connection
S
Ground connections
S
1X SC 4812T-MC Multicarrier BTS Optimization/ATP
68P64115A21–B
Sept 2003
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