Basic Node
Line
Interface
Radio
Modem
LTU
Radio
Modem
ATM Ethernet ADM
Ethernet ADM
Services
Line interface
PTP Connections
9746
Figure 8 PTP C onnections
3.2 Access Module Magazine (AMM)
The indoor part consists of an Access Module Magazine (AMM) with plug-in
units. This section describes the AMM types and their associated cooling and
power supply functions.
3.2.1 AMM 2p and AMM 2p B
AMM 2p is suitable for end site and repeater site applications. There are two
models:
• AMM 2p has two half-height slots equipped with one NPU2 and the optional
LTU 12/1 Kit.
• AMM 2p B has two half-height slots equipped with one NPU3 and the
optional LTU3 12/1.
Two full-height slots can be equipped with MMU, LTU or ETU. The height of
an AMM 2p or an AMM 2p B is 1U.
The FAU4 is used depending on the configuration, see Section 3.2.1.2 on
page 13.
AMM 2p and AMM 2p B can be fitted in a standard 19" or metric rack or on a
wall using a dedicated mounting set.
11
4/1555-CSH 109 32/1-V1 Uen B 2007-09-14
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