User's Manual

Powerwave Fiber Optics
VM100 56/EN – User’s Manual Rev. P1A9-Draft 2004-11 3 - 5
Gateway Node
A FON unit can be used as a network gateway node for IP networks as well as for R2R
networks by being connected to an RCC (Remote Communication Control) unit, see
Figure 3-3.
The RCC unit is connected to the FON board via the RCC port, see the Connection Ports
section on page 3-10.
Both the FON unit and the RCC unit can be installed in all Powerwave repeaters and
remote hubs.
The gateway node in various repeater types is further detailed in the VM100 01/EN,
OM-Online, User’s Manual.
Alarm
The FON unit has the same alarm and event handling as the Powerwave repeaters and
remote hubs. Consequently, the entire Alarms and Events chapter in the VM100 01/EN,
OM-Online, User’s Manual is applicable also for the FON unit.
This includes also the four external alarms that are connected to the FON board via the
Alarm port, see the Connection Ports section on page 3-9.
Power
The FON unit requires 6.0 –8.0V power supply. All Powerwave repeaters and remote
hubs have a 7V DC power supply that is used for this purpose. This power is connected
to the FON board via the Power port, see the Connection Ports section on page 3-9.
Backup Power
If a power failure occurs, a backup battery has capacity to supply the FON control unit
with the network for up to30 minutes at room temperature. This time is intended for
alarm transmission.