User's Manual

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DESCRIPTION 13 ( 25 )

ERA/RGN/PD Jennie Bergström 5/1551-HRB 105 102/1 Uen

ERA/RKF/TU Carl Helander 2003-01-28 C

Prepared (also subject responsible if other) No

Approved Checked Date Rev Reference

4.7.11 CU Control Cable

This cable is an AU interface connection for supervising and controlling the CU.

This cable connects the SCB to the capacitor unit via the Connection Field.

4.7.12 XALM Interface Cable

This cable connects the SCB to the Connection Field. The cable is an AU

interface and it handles the customer specific alarms and output controls, as

well as alarms for Ericsson external equipment.

4.7.13 High-Power Combining Cable

This cable is for combining two MCPAs. The high power combiner in the AIU

combines the signal from two MCPAs and sends it to one antenna.

4.7.14 Low-Power Single Carrier TX Cable

This cable connects the TX output of the TRXB to the AIU for carrier

combination and signal splitting, if applicable.

4.7.15 BB Subrack Fan Unit Cable

This cable connects the BB subrack fan unit to the SCB and it supervises

and controls the fan.

4.7.16 RF Subrack Fan Unit Cable

This cable connects the RF subrack fan unit to the SCB and it supervises

and controls the fan.

5 Node Architecture

The general RBS architecture is described in figure 3 and the following

subchapters.