Installation Instructions

Low -to -Mid Capacit y Fr ame Expansion Ov erview Chapter 3: Low -to -Mid Capacit y Fr ame Expansion Procedures

Low -to -Mid Capacity Frame Expansion Overview

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This chapter provides information and procedures needed for expanding the low -capacity UBS

Macro BTS starter/expansion frame to the mid -capacity frame conﬁguration.

The mid -capacity frame consists of the low -capacity frame equipment plus the following

additional expansion equipment:

• second XMI, required.

• second DMI, required.

• circuit breaker/output power connector assemblies; one required for each of the following:

second XMI and second DMI.

• second set of IDRFs, required.

• optional RX splitter or RX share cable.

• second/third PSM, required for –48 V or 220 V AC only . T wo PSMs are required for the mid

capacity conﬁguration and the third PSM is for redundancy .

Cabling of the RX splitter to the XMIs will be performed after all of the additional expansion

equipment (i.e., XMI, DMI, S SI, circuit breaker/output power connector assemblies, etc.) is

installed in the frame.

How to use this chapter

Typically the installer is directed to this chapter via T ask 6: Expanding the Low -capacity Frame

on page 2 - 45 of Chapter 2 UBS Macro BTS Installation Procedure .

P erform all of the applicable procedures, in this chapter , for expanding the low -capacity UBS

Macro BTS starter/expansion frame to the mid -capacity frame conﬁguration.

A fter all of the additional expansion equipment is installed, go to T ask 7: Cabling the Optional

PSM Shelf on page 2 - 46 of Chapter 2 UBS Macro BTS Installation Procedure , and continue

performing the remaining tasks in sequential order .

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PRELIMINARY A UG 2007