Product Data RBS 2106
• 3x2 (and its derivatives: 1x2 and 2x2)
•
3x4 (and its derivatives: 1x4 and 2x4)
• 1x8
• 1x12
•
2x6
The RF cables between each CDU and its associated dTRUs are
standardized and do not normally change. Each CDU uses a set of
standard RF wiring patterns for connection between each CDU and the
cabinet connection field. For more information on CDU configurations,
see:
Reference Manual, chapter Radio
Configurations, RBS 2106 and
RBS 2206
EN/LZT 720 0008
For more information on CDU cabling, see:
Cabinet Reconfiguration Manual EN/LZT 720 0010
5.6 Transmission
The RBS 2106, as all RBS 2000 models, supports multi-drop bypass
functionality.
LAPD (Link Access Procedures on D-channel) concentration and LAPD
multiplexing can be used to make the transmission resource more
efficient.
Each RBS can be configured for stand-alone or linear cascade mode.
The configuration is performed using the OMT.
The DXU-21 is equipped with four external transmission ports
supporting a total of up to 8 Mbit/s. It is connected to a PCM signal of
either 2 Mbit/s or 1.5 Mbit/s. The 2 Mbit/s PCM may use either
75
unbalanced lines or 120
balanced lines. The 1.5 Mbit/
s network uses balanced 100
lines.
106 (485)
EN/LZT 720 0008 P2A
2001-11-28
© Ericsson Radio Systems AB
— All Rights Reserved —
Preliminary
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