Node Processor Unit (Npu) - Ericsson MINI-LINK TN R4 ETSI Technical Description

Technical Description
3.3

Node Processor Unit (NPU)

The NPU implements the system's control functions. One NPU is always
required in the subrack. The NPU also provides traffic, DCN and management
interfaces.
The NPU holds a Removable Memory Module (RMM) for storage of license and
configuration information. The following NPUs are available:
3.3.1 Overview
NPU1 B
NPU3
NPU3 B
10/100BASE-T
Figure 19
The following summarizes the common functions of the NPUs:
18
Fits in an AMM 20p B.
Fits in an AMM 2p B, AMM 6p C or AMM 6p D.
Fits in an AMM 2p B, AMM 6p C or AMM 6p D.
O&M
Not used
2x(4xE1) User I/O
4xE1 + 2xUser Out
2x(10/100BASE-T)
E1 /DS 1
TR :4A -4 D/
Us er Ou t:E
4xE1 + 2xUser Out
2x(10/100/1000BASE-T)
NPUs
O&M
10 /10 0/1 00
0B AS E-T
10 /10 0/1 00
0B AS E-T
F
P
-F
TR :3
TR :2/ LA N
O& M
O&M
12/221 02-CSH 109 32/1-V1 Uen A 2008-03-14
RMM
NPU1 B
NPU3
RMM
NPU3 B
RMM
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