User's Manual

Low Frequency Receiver / High Stability Oscillator (LFR/HSO) Cabling
68P64115A19–4
Mar 2003
1X SC 4812T-MC BTS Hardware Installation - Software Release R2.16.1.x
CONTROLLED INTRODUCTION
2-25
Low Frequency Receiver / High Stability Oscillator (LFR/HSO)
Cabling
Overview
This section provides the information to install the Low Frequency
Receiver/High Stability Oscillator (LFR/HSO) cabling for CDMA
systems.
Cable Labels
The cable designations are referenced in Table 2-1 on 2-7 in the “Overall
Cabling Diagrams and Description” area.
Cable Run List
Table 2-15 lists the cable runs for the BTS GPS and LFR cables. If
lightning arrestors are used with the LFR antenna, refer to the site
specific documentation for cabling information.
Table 2-15: Cable Run List for GPS and LFR Cabling
Cable From Connector To
L LFR LFR Antenna
Procedure
Install each cable by referring to the cable run list in Table 2-15, the
cabling diagram in Figure 2-9, and the procedure in Table 2-16. If
lightning arrestors are used with the LFR antenna, refer to the site
specific documentation for cabling information.
NOTE
Site specific characteristics determine the GPS/LFR cabling that
is installed.
Table 2-16: Procedure to Install LFR Cabling
Step Action
1 Attach the 9-pin subminiature connector of cable L to the LFR connector of the BTS.
2 Attach the 5-pin circular connector of cable L to the LFR antenna.
2