User's Manual

MA 2000 System Elements
MA Remote Location Elements
MA 2000 Installation and Configuration Guide 18
RU 2000 Front Panel
The RU 2000 front panel contains the fiber optic connections to the BU, four coax connections to
the antennas, power connections and status indicators.
Figure
2-9. RU 2000 Front Panel
Table
2-5. RU 2000 Front Panel Indicators
LED Description
COMM Active communication detected
LINK Optical link to BU detected
PWR DC power connected
RU 2000 Rear Panel
The RU 2000 rear-panel provides the control, RF interface and optic interface ports that enable
connecting an MA 1200 add-on unit to the RU 2000 module.
Figure 2-10. RU 2000 Rear
Table
2-6. RU 2000 Rear Panel Connectors
Add-on control Transmits the control signals from MA 1200 add-on module to the
RU 2000 module. The Add-on Control port is connected to the MA
1200 add-on From port.
DL, UL Transmit the RF signals to- and from- the MA 1200 add-on module.
These ports are connected to the corresponding ports on the MA
1200 rear panel: DL to DL, UL to UL.
IR Infrared (IR) sensor used for internal information exchange
between the RU 2000 modules and the cabinet in which they are
installed (Remote Cabinet configuration only).
Fiber optic BU
connections
Power connector
LEDs
MA service
RF ports 1 to 4