Specifications

Chapter 1 Introduction Installation and Operation Manual
1-2 Overview ASMi-52 Ver. 2.8
• E1 + LAN
• E1 + serial port (V.35, X.21, RS-530).
Line Interface
ASMi-52 is available for ordering in two models: for operation over a 2-wire or
4-wire lines.
Unit Enclosure
ASMi-52 is available in a plastic, metal, or rail-mount enclosure.
Applications
Figure 1-1 illustrates a typical ASMi-52 application, in which standalone modems
operate opposite each other.
Figure 1-2 shows ASMi-52 units operating opposite
a centrally located DXC rack.
Figure 1-3 shows ASMi-52 modems operating
opposite a centrally located LRS-24 rack.
The following multiplexer applications are supported:
• A multiplexer unit opposite the same type of multiplexer unit
• A DXC opposite multiplexer units (the multiplexer unit is a CPE), where the
DXC supports a multiplexer (the CPE is the receive clock source)
• A multiplexer unit configured as a single unit opposite a single unit (where a
multiplexer unit is configured as a single unit)
• A multiplexer unit opposite an E1 unit, where the single or multiplexer unit is
configured as an E1 single unit.