Installation Manual

Full installation sequence Chapter 2: UBS Macro B T S Installation Procedure
Color code
F ollow the color codes for the cables and connectors when applicable. Refer to Overview on
page 2 - 2 of this chapter for a detailed description of the color codes.
Default values
Unless otherwise specified, use these default values during the installation.
• All screws are M5 x 12 mm and require a T25 TORX bit. These screws are included in the
STGN4034 Installation Kit that is packaged with the UBS Macro carrier strip assembly .
• T orque values are to be within +/ -10% of value shown.
• Tighten screws and bolts to 4.77 N -m (42 in -lb).
• Maximum torque for the IDRF screws is 2.37 N -m (21 in -lb).
• Tighten SMA connectors to 1.02 N -m (9 in -lb).
• Tighten N -connectors on cables to 4.3 N -m (38 in -lb).
Preview of installation tasks
This section provides a preview of all of the tasks to be performed to install the UBS Macro
BTS as well the sequence of those tasks. Each specific task is detailed in its own section later
in this manual.
Each item number below corresponds to a specific task number . The task number is
used to identify the task and its occurrence within the overall installation sequence.
** indicates an optional task. The system configuration determines if the optional task
is to be performed or if it can be skipped.
P erform the following tasks in the order shown when installing the UBS Macro BTS .
1. ** Install the optional RGPS head and route cable (NN) to the BTS site. Skip this task if
the optional RGPS head is not required.
2. Mount rack to floor using the hardware, tools, and procedures defined by your Structural
Engineer . Motorola recommends using 6 carbon steel grade 8.8 M12 bolts.
3. Install earth ground wire/cable (DD) between the site Master Ground Bar (MGB) and
equipment rack. A ttach ground wire to the top of equipment rack using 2 studs/nuts and a
10 mm socket and ratchet. Tighten to 5.65 N -m (50 in -lb).
4. ** P erform this task for -48 V DC or 220 V AC UBS only . Install the PSM shelf to the bottom
of the rack using 6 screws; three screws on each left and right side. Install the appropriate,
-48 V DC or 220 V AC , PSMs into PSM shelf slots 1 and 2.
2 -12 68P09283A62 -3
PRELIMINARY A UG 2007