User's Manual

PCBA Connectors Wideband Radio Head
044-05251 Rev A 2-7
Not used outputs do not need to be terminated.
FOU – Fiber Optic Unit
The FOU is a metal plate on which a FON PCBA, a DPX and fiber optic connectors are
assembled. It is mounted on top of the cover plate in the upper part of the WRH. The RF
connections for the FOU are defined in the Table 2-7.
Figure 2-7 Fiber Optic Unit (FOU)
Table 2-9 Fiber Optic Unit (FOU) Connections
FON
Table 2-9 defines the FON port numbers, connector types, and port usage.
OUT1 P101 on the CHE2/DL, CSA/DL, or BSA/DL PCBA. P2102 on the
WBA PCBA.
OUT2 P101 on the CHE1/DL channel PCBA.
WARNING: Some LNA power transistors may contain beryllium oxide (BeO) that is
poisonous. Refer to the Safety section in Chapter 1
on the donor side
Port Connected to
ANT BS -20dB on the donor (BS) DC
HI P101 on the FON
LO P102 on the FON
on the service side
Port Connected to
ANT Service antenna
HI P5 on the PA/DL or P4 on the BA
LO IN on the LNA/UL or P2101 on the WBA