User's Manual

Chapter 1 - System Description The Base Transceiver Station
4Motion 14 System Manual
1.3.1 The Indoor Macro BTS
1.3.1.1 The BreezeMAX Shelf
The BreezeMAX shelf is an indoor -48 VDC powered 8U cPCI PICMG 2.x standard
shelf prepared for installation in a 19" or 21" (ETSI) rack. This chassis has a total
of nine double-Euro (6U high) slots and six single-Euro (3U high) slots. All the
modules are hot swappable, and high availability can be provided through
multiple redundancy schemes.
The shelf modules are:
Figure 1-6: BreezeMAX Shelf (with all modules installed)
Table 1-1: BreezeMAX Shelf Modules
Module Description
PIU 3U high power interface unit, 1+1 redundancy, -48VDC, protection, filters
PSU 3U high power supply unit, up to 3+1 redundancy
NPU 6U high network processing unit with optional ASN-GW functionality, hardware
ready for 1+1 redundancy (NPU redundancy is not supported in the current
release), 1000/100 Base-T main network interface, 1000/100 Base-T cascade
interface and 100/10 Base-T out-of-band management interface