Thales ADS-B - Fig. 2−17 as 682 Ground Station Equipment, Assembled in 19 Cabinet; Fig. 2−21 Uninterruptible Power Supply

AS 680/682
Description, Operation and Maintenance Subsystem Description
ADS−B
2−15Ed. 10.07
2.2 ADS−B GROUND STATION AS 682
See Figs. 1−3, 2−17.
The ADS−B Ground Station AS 682 builts a complete redundant ADS−B system system in a 19" cab-
ninet housing which comprises as basic component the AS680 Signal Processing Unit (SPU) and the
Site Monitor (SM). The SPU is built−in two times in a redundant design. Each SPU is powered by an
Uninterruptible Power Supply (UPS). The cabinet houses in addition a Data Switch device which is
used to connect the units within the cabinet to the remote RCMS via LAN.
SPU 2
SPU 1
Data switch
Drawer, key−locked
Site Monitor
UPS, basic unit 1
UPS, Extension 1
UPS, Extension 2
Sockets, spare
Intrusion switch
UPS, basic unit 2
Fig. 2−17 AS 682 Ground Station equipment, assembled in 19" cabinet
2.2.1 Physical Breakdown
See Fig. 2−18.
The Ground Station hardware architecture is shown in Fig. 2−18. The basic hardware architecture
of the SPU and SM is already shown in Fig. 2−2. The configuration for a ADS−B Ground Station
AS 682 includes the following main components:
− 1 omnidirectional ADS−B RX antenna for Mode S,
− 2 GPS antenna
− 1 Antenna Amplifier Unit (AAU); the AAU can be mounted with a support on a mast.
− 19" cabinet equipped with front and rear door, which comprises the following main components:
2x Signal Processing Unit (SPU) in redundant configuration,
Site Monitor (SM),
Data Switch,
2x Uninteruptible Power supply, dedicated each to one SPU,
Exchange Panel providing 4/2 RF connectors and RF divider for RX antenna signals