Digital Remote Unit Description - ADC Digivance Installation And Operation Manual

(1) GROUND
STUD
(2) AC POWER CORD
CONNECTOR
NOTE: SHOWN WITHOUT
CABLE MANAGEMENT TRAY

2.2 Digital Remote Unit Description

The DRU, shown in Figure 4, serves as the remote interface unit for the Digivance ICS. The
DRU provides the following basic functions:
•
RF interface to the cellular users via an external antenna
•
Optical interface to the DHU or DEU
•
Conversion of the forward path digitized optical signal to a digitized RF signal
•
Conversion of the digitized forward path RF signal to the original cellular RF signal
•
Digitizing of the cellular reverse path RF signal
•
Conversion of the digitized reverse path RF signal to a digital optical signal output
•
Transports alarm status over the reverse path optical fiber
(3) AC POWER (4) OPTICAL PORT
ON/OFF SWITCH LED INDICATOR
(6 PLACES)
(6) ELECTRICAL PORT
DC POWER JACK
(6 PLACES)
Figure 3. Digital Host Unit User Interface
2.1 INCHES
(53 mm)
7.3 INCHES
(185 mm)
Figure 4. Digital Remote Unit
(8) UNIT LED
(5) OPT/ELEC PORT
ENABLE/DISABLE INDICATOR
SWITCH (6 PLACES)
(7) OPTICAL PORT (10) ALARM
OPTICAL TRANSCEIVER CONNECTOR
TX-LEFT - RX-RIGHT RECEPTACLE
(6 PLACES)
7.0 INCHES
(178 mm)
ADCP-75-130 • Issue 3C • August 2006
(11) RF INPUT
CONNECTOR
(9) OVERDRIVE (12) RF OUTPUT
LED CONNECTOR
INDICATOR
17264-A
FRONT PANEL
MOUNTING FOOT
(EACH CORNER)
17268-A
© 2006, ADC Telecommunications, Inc.
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