Marconi Communications NM-4/155IR3MMD Marconi SMA/System-X/MSH86 SDH transmission Optical Transmission Module

Marconi Communications NM-4/155IR3MMD Marconi SMA/System-X/MSH86 SDH transmission Optical Transmission Module Image 1

Marconi Communications NM-4/155IR3MMD: 1-Port SMIR, 3-Port OC-3c/STM-1, 155mbps MMF, SC Conn. (D Series) for Marconi SMA/System-X SDH transmission systems.

The Marconi NM-4/155IR3MMD is a 1-Port SMIR, 3-Port OC-3c/STM-1, 155mbps MMF, SC Conn. (D Series), a genuine Marconi Communications component. This part performs its documented role – 1-Port SMIR, 3-Port OC-3c/STM-1, 155mbps MMF, SC Conn. (D Series) – within the SMA/System-X/MSH86 SDH transmission systems portfolio. Equipment of this generation remains in service across many established telecom transmission network deployments, and genuine spares such as this one are a routine requirement for maintaining full system capacity, restoring redundancy after a component failure, or expanding an existing installation. Specifiers should confirm exact compatibility against their specific host system or chassis configuration before ordering. Tech-Star (UK-based, shipped worldwide) stocks tested components to support ongoing network maintenance projects. Please contact our sales team for current stock and pricing.

Worldwide supply. We export new and refurbished telecoms and networking equipment internationally. International buyers welcome, request a delivered quote in your currency. Supply subject to export checks.

From the same manufacturer

Compatible with the same platform

Frequently asked questions

Is the Marconi Communications NM-4/155IR3MMD refurbished or new?
Tech-Star supplies both new and refurbished Marconi Communications NM-4/155IR3MMD. Refurbished items are tested and graded against manufacturer specifications; the condition is confirmed at quote.
What warranty is included with the Marconi Communications NM-4/155IR3MMD?
Refurbished Marconi Communications NM-4/155IR3MMD comes with a 90-day parts and labour warranty as standard. Extended warranty options are available on request.
How do I get a price for the Marconi Communications NM-4/155IR3MMD?
Pricing reflects current stock and lead time, so we quote per enquiry. Submit the part number through the contact form for a quote, typically within one business hour.
Can the Marconi Communications NM-4/155IR3MMD be returned?
Returns are accepted within 14 days of delivery in line with our return policy. A restocking fee may apply for opened items.
How quickly can the Marconi Communications NM-4/155IR3MMD be delivered?
Lead time depends on current stock. UK-based items typically ship the next business day; sourced items vary. We confirm lead time at quote.

Key FeaturesGenuine Marconi component; 1-Port SMIR, 3-Port OC-3c/STM-1, 155mbps MMF, SC Conn. (D Series); compatible with its host system
ApplicationsSystem maintenance; component redundancy and spares; capacity expansion
CompatibilityCompatible host systems/chassis
Specifications1-Port SMIR, 3-Port OC-3c/STM-1, 155mbps MMF, SC Conn. (D Series)
PlatformMarconi SMA/System-X/MSH86 SDH transmission
ManufacturerMarconi Communications

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