User's Manual Chapter 13

Chapter 6: Internal Photographs
AT&T Wireless Services
6-63
FCC Type Acceptance Application
10991 Rev. 1.0 7/6/99
Right hand view of the Bosch front-end unit. The FES-FE (frontend
shelf – frontend) provides amplification of TX and RX signals,
redundancy switching, gain control, diplexing, DC/DC conversation,
front panel test points (RF), LED alarm indicators, ESN capability, and
control and monitoring of status and alarm conditions.
Figure 6.23—Front End Unit —Right Side View