EXPRESS DAS
Installation and Operations Manual
80
EXPRESS DAS Installation and Operations Manual – Version 2.2 November 2013
10
Installation – MRU and ARU
This chapter explains how to install the Main Remote Unit(s) (MRUs) and Add-on Remote Unit(s) (ARUs),
and how to connect these units to the ODU(s) at the headend.
SOLiD technicians configure and label the equipment at the SOLiD facility prior to shipping. Note labeling
on all equipment. Remove each item from its packaging and inspect the hardware. Contact SOLiD
Support if the product is damaged.
10.1
Before you Begin
The MRU/ARU enclosures have two options: one is meant for indoor use, while the other is designed for
outdoor installations and meets NEMA 4 standards to protect from water and dirt intrusion. The
enclosures can be wall mounted, either side by side or stacked; they can also be installed in a standard
19” rack, either vertically or horizontally, using special mounting frames.
Before you begin this part of the installation process, make sure you have the following items. Those
items marked with an “O” ship with the unit. The installer will supply items marked with an “X.”
Installation Item
Accessories
Tools
Status
Wall mounting on brackets
M8 Bolts
(Note: Wall mount brackets included for both
MRU and ARU. All other mounting brackets
are optional and available from SOLiD.)
Spanner (13mm)
X
MRU/ARU Mounting (wall
brackets or rack)
M6 Wrench Bolts
Hexagon Wrench
O
Connecting Power
AC 120V power cable (1) or
DC -48V power cable (1 Pair)
O
Grounding Unit
Ground cable with terminal lugs
[Max. AWG #12]
No.0 Screw driver (+)
Lug crimper
X
Connecting Fiber Optic to
ODU (MRU only)
Optic cable [SC/APC Type]
Spanner (32mm)
X
Connecting to Antenna
(MRU only)
RF cable [N-type Male ] (1)
Spanner (20mm)
Connector crimper
X
Communication between MRU
and ARU
Communication cable (1) and SMA cable (3)
O
Table 10
.
1 – Tools and Accessories for Installing MRUs/ARUs
NOTE
: For instructions on installing the VHF/UHF Add on Remote (AOR) see page 95.
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