Ericsson Minilink » History » Version 1
= Ericsson Mini-Link =
Ericsson Mini-Link is a series of commercially very successful microwave links.
They are used world-wide for back-hauling GSM BTS and UMTS Node-B, i.e. for the
A-bis and IuB-links.
Every microwave link is a point-to-point link.
Each side of the link has an IDU (In Door Unit) and ODU (Out Door Unit).
=== IDU ===
The IDU is responsible for transmitting and receiving at the respective microwave frequency (normally 7...38GHz).
In the Mini-Link system they are most commonly they are called MMU.
There are different types of MMUs, representing the different link speeds of the microwave link, e.g. * MMU 34+2 (1 E3 link at 34 Mbps plus 1 E1 link for mgmt) * MMU 4x2 (4 E1 links at each 2 Mbps)
The MMU has connections for the data links (E1, E3, STM-1, etc.) as well as a coaxial wire connecting it with the
=== ODU ===
The ODU is contains the actual modem that modulates the E1, E3 or STM-1 link onto the IF (Intermediate Frequency)
which is put on the coaxial link towards the ODU.
Conversely, on a different IF, there is the down-link from the ODU towards the demodulator/decoder in the IDU.
In the Mini-Link system, the ODU is commonly called RAU (Radio Access Unit).Mini-Link Equipment that we have
=== RAU ======= 15 GHz ====
|1||RAU2 M 23/77||LaForge|
|1||RAU2 M 23/79||LaForge|