Service Manual

GSM-204-323
M-Cell 6 comparison with Horizon macro outdoor
31st Oct 01
Technical Description: Horizon macro outdoor
68P02902W02-A
CONTROLLED INTRODUCTION
Tech. 1–7
M-Cell 6 comparison with Horizon macro outdoor
Comparison
overview
The Horizon macro is a replacement for M-Cell 2/6 base stations, and the
GSM/EGSM900 and DCS1800 Horizon
macro outdoor variants are directly
compatible with M-Cell
6 . For example, a combination of up to four Horizon macro
and M-Cell 6 BTSs can be combined to form a single site, with either a
Horizon
macro or an M-Cell 6 being in control of the other units. Since many
customers are familiar with M-Cell
6 and will use Horizon macro with M-Cell 6 ,
equivalent components are described in this section to assist understanding.
The Horizon
macro outdoor BTS cabinet uses reduced size and higher reliability
components. Horizon
macro outdoor sites can also have auxiliary equipment
housings installed to enable extended battery backup equipment to be fitted.
Horizon macro
and M-Cell 6
compatibility
A 24-carrier BTS site (in an 8/8/8 configuration) can be achieved by combining
four units as shown in Figure 1-4. This is the maximum BTS size. Each unit can
be either a Horizon
macro or an M-Cell 6 . Either a Horizon macro or an M-Cell 6
can control the other three units; the MCU of M-Cell 6 and the MCUF of
Horizon
macro having identical control functions.
An MCUF can be fitted into an M-Cell
6 and will then function as an MCU.
However, an MCU cannot be fitted into a Horizon
macro . Figure 1-4 shows a
schematic diagram of the digital connectons in a four cabinet BTS site.
2
2
2
Figure 1-4 Digital connections in maximum BTS site