User's Manual

MobileAccessGX Installation and Configuration Guide 3
1.2 System Architecture
MobileAccessGX provides a complete solution consisting of GX remote units at the remote
locations, and head-end elements, which are shared with any existing or new MA1000/MA2000
deployment.
In the downlink, at the head-end, the BTS or BDA signal is conditioned by the RIU, ensuring a
constant RF level. The conditioned signal is then converted by the FT-350 OCH (Optical Control
Hub) to an optical signal for transport over single-mode fiber to the GX remote units, which are
located at the remote locations. In the uplink, the process is reversed. The SC-450 Controller
enables local and remote management, as well as controls all GX, MA1000 and MA2000
elements from a single, centralized location.
The MobileAccessGX Remote Unit consists of a uniquely designed, non-obtrusive unit that
includes all of the required RF, F/O and power interfaces. The GX product supports four service
types: CELL/PCS/LTE 700/AWS – each unit supports up to 3 bands, whereas the supported
bands depend on model (see Appendix B: Ordering Information). All mobile services are
distributed through service/band dedicated RF connection ports over antennas installed at the
remote locations.
Figure 1-2. System Architecture
NOTE: When MobileAccess GX unit is deployed with units supporting the 800MHz band, an
external filter is needed to be installed on the GX to avoid the disturbance between the 800MHz
DL and the 850MHz UL frequencies.