SWRF9139 CTU 2 900 TX MOTOROLA REF, Horizon II, Motorola Horizon II, Horizon II Macro BTSs

 

Description:

Buy your genuine SWRF9139 CTU 2 900 TX MOTOROLA REF replacement spare computer repair IT part now. We specialise in supplying all new, used, refurbished, and discounted IT hardware like the SWRF9139 CTU 2 900 TX MOTOROLA REF. Purchase your technical IT part from our specialised database of legacy hardware systems search box, or by phone at +44 (01489) 892727. The SWRF9139 CTU 2 900 TX MOTOROLA REF is just one of the millions of IT computer systems parts we sell.

 

Specifications:
 

Applications:

Motorola
Horizon / Horizon II macro BTSs


Specifications:

The entire Motorola GSM architecture seems to be over-engineered without end. Basically you are looking at a distributed computer from the early 1990ies. Lots of processor cards (m68k, ppc) interconnected by HDLC links on top of synchronous 2Mbps links with 64k timeslots. Those links are available e.g. on the backplane of the BTS as a TDM highway. So basically even inside the BTS, the individual processors talk over E1 to each other. In the BSC, there is a token ring based LAN between some of the cards instead. And the MCUF in the BTS even supports to transport those proprietary inter-cpu links via fiber optic (!).


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