AS 680/682
Description, Operation and Maintenance Subsystem Description
ADS−B
2−17Ed. 10.07
2.2.2 Data Switch, 16 Port Gigabit Ethernet
See Figs. 1−3, 2−19.
The SPUs and the UPS are interconnected to the ADS−B network via the 16 port Gigabit Data Switch.
RJ45 network connectorsStatus and network activity LED
Mains In (rear)
Power LED
Fig. 2−19 Data Switch, front view (example)
2.2.3 Exchange Panel 4/2
See Fig. 2−20.
To relieve the more delicate SMA connectors of the SPU from mechanical stress imposed by stiff RF
cables, the Ground Station AS 682 provides an Exchange Panel (4/2) together with the appropriate
cables to connect both the VHF RX input cables and the GPS input cable from RX/GPS antenna and
SPU 1 and 2.
GPS antenna1
VHF RX Spare
GPS antenna
RF divider
cabinet rear
RF in
RF out 1
RF out2
Fig. 2−20 Exchange Panel, rear side of AS682 cabinet
2.2.4 Uninterruptible Power Supply (UPS)
See Figs. 1−3, 2−21, 2−22.
The AS682 ground station is equipped with an additional rack−mounted uninterruptible power sup-
ply module (UPS, X1000 R) with extension pack, dedicated to one SPU each. These UPS are used
to supply the individual GS in case of a power supply failure.
An additional SNMP support card is available so that UPS parameters like battery loading status, time-
out configuration, voltages, alarms, etc. are available via SNMP. It is connected to the Data Switch
in order to provide network connectivity.
2.2.4.1 Controls and Display Function of Base Unit
See Fig. 2−22.
− ON−button
Turn on UPS system: By pressing the ON−button the UPS system is turned on.
Deactivate acoustic alarm: By pressing this button an acoustic alarm can be deactivated.
− Standby button
he UPS system switches to Standby mode when the Standby button is pressed. It is then switched
to Bypass and the inverter is off. The output sockets are supplied with voltage via the bypass if the
mains power supply is available.
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