4RF Aprisa XE, User Manual

Page: 156 / 272

Protected terminals | 155
Tributary protection switch LEDs
LED Colour Appearance Explanation
A Green Solid The radio is active and is OK
Green Flashing The radio is in standby mode and is OK
Red Solid The radio is active and there is a fault
No colour (off) - The tributary switch is in 'slave' mode and the
switching is controlled by the master tributary
switch
Red Flashing The radio is in standby mode, and there is a fault
B Green Solid The radio is active and is OK
Green Flashing The radio is in standby mode and is OK
Red Solid The radio is active and there is a fault
No colour (off) - The tributary switch is in 'slave' mode and the
switching is controlled by the master tributary
switch
Red Flashing The radio is in standby mode, and there is a fault
~ Green Solid The tributary protection switch is in 'auto' mode
Green Flashing The tributary protection switch is in 'slave' mode
Red Solid The tributary protection switch is in 'manual' mode
(A or B)
On Blue Solid Indicates that there is power to the tributary
protection switch
RF switch front panel
No. Description Explanation
1 Radio QMA QMA connectors for connecting the protected radios
2 Protective earth M5 terminal intended for connection to an external protective
conductor for protection against electric shock in case of a fault
3 Antenna port N-type female connector for connection to the antenna feeder
cable. This view shows an internally mounted duplexer. If an
external duplexer is fitted, the antenna port will be on the external
duplexer
4 Slave tributary switch
outputs Connects to secondary tributary switch for control of additional
interfaces
5 Tributary switch Connects the RF switch to the tributary switch (the master if more
than one tributary switch is required)
6 LEDs Status LEDs