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RAD SHDSL MODEM/MULTIPLEXER, E1 INTERFACE, 2-WIRE

Part no: ASMI-52L/E1/2W | NSN: 5895-15-205-5195

RAD SHDSL MODEM/MULTIPLEXER, E1 INTERFACE, 2-WIRE

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The ASMi-52L is a compact SHDSL modem designed to transport structured or unstructured E1 traffic over a single 2-wire copper pair. It enables cost-effective extension of E1 services without requiring fibre infrastructure, making it well suited to utility networks, defence sites, transport systems, campus environments and remote facilities.

Using SHDSL technology, the ASMi-52L delivers reliable, symmetrical data transmission with configurable line rates to suit loop conditions. It supports full E1 (2.048 Mbps) transmission and maintains clock integrity for applications that depend on stable synchronisation.

Key Capabilities

  • E1 interface (G.703/G.704 compliant)

  • 2-wire SHDSL transmission

  • Symmetrical data rates up to 2.048 Mbps

  • Structured and unstructured E1 support

  • Configurable clock modes (internal, loop, or recovered)

  • Local and remote loopback testing for diagnostics

  • Compact form factor for rack or standalone deployment

Designed for Copper Infrastructure

The ASMi-52L allows organisations to continue leveraging existing copper cabling for E1 transport, avoiding the cost and complexity of fibre rollouts where not required. It is particularly useful for:

  • Extending PBX trunks between buildings

  • Backhauling cellular base stations

  • SCADA and telemetry systems

  • Defence and government secure networks

  • Temporary or remote communications links

Management and Diagnostics

The unit provides built-in diagnostic capabilities, including local and remote loopback testing to assist with commissioning and fault isolation. Front panel indicators provide clear status visibility for power, link and E1 activity.

Technical Specifications – ASMi-52L E1 2-Wire SHDSL Modem / Multiplexer

  • Application: E1 extension over copper using SHDSL

  • WAN Interface: 2-wire SHDSL (single copper pair)

  • Line Technology: ITU-T G.991.2 (SHDSL)

  • Maximum Line Rate: Up to 2.048 Mbps (symmetrical)

  • E1 Interface: G.703 / G.704 compliant

  • E1 Framing: Structured and unstructured modes

  • Line Coding (E1): HDB3

  • Clock Options: Internal, recovered, or loop timing

  • Diagnostics: Local and remote loopback testing

  • Indicators: Power, SHDSL link status, E1 activity

  • Operation Mode: Point-to-point deployment

  • Copper Requirement: Single 2-wire pair

  • Form Factor: Compact standalone unit

  • Power Supply: External AC power adapter

  • Operating Environment: Designed for enterprise, utility and defence applications

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