Specifications

ASMi-52 Ver. 2.8 Overview 1-1
Chapter 1
Introduction
1.1 Overview
ASMi-52 is an SHDSL modem that operates in full-duplex over 2/4-wire lines and
offers a cost-effective solution for delivering digital data to customer premises
over existing copper cables. ASMi-52 handles multiple data rates in the range of
64–4608 kbps. The unit is available with a single data port or as a multiplexer
with two data ports. The modem supports X.21, V.35, RS-530, E1 and T1
interfaces. In addition, ASMi-52 may contain an Ethernet/Fast Ethernet bridge
with VLAN support (via management LAN port).
ASMi-52 uses TC-PAM coding and complies with the ITU-T G.991.2 requirements,
see page
1-7 .
Certain multiplexer application combinations are possible. See
Table 1-4 for the
multiplexer applications.
Product Options
DTE Interface
ASMi-52 supports the following DTE interfaces:
• X.21
• V.35
• RS-530
• E1, as per G.704
• T1
• Ethernet/Fast Ethernet bridge with VLAN support (combined with
management LAN port)
The following combinations of interfaces can be multiplexed:
• V.35 + LAN