Ericsson ROF131954/3 MD110 / MX-ONE Telecom System Card / Module

Ericsson ROF131954/3 MD110 / MX-ONE Telecom System Card / Module Image 1

Ericsson ROF131954/3 TLU 20 Timing and Logic Unit for MD110 / MX-ONE telephone exchange systems (earlier hardware revision of ROF131954/4).

The Ericsson ROF131954/3 is a TLU 20 (Timing and Logic Unit) module used within the Ericsson MD110 / MX-ONE digital telephone exchange platform. This board is an earlier hardware revision of the same TLU 20 family confirmed for the ROF131954/4 variant, providing the timing synchronisation and logic processing functions that keep the exchange’s central processor subsystem running to a common clock reference.

The TLU 20 sits within the central processor subsystem of MD110 / MX-ONE exchanges, distributing accurate timing signals across the system’s functional modules. Reliable clock synchronisation of this kind underpins call processing integrity, ensuring PCM links and switching functions stay aligned across a live exchange.

As a legacy component from Ericsson’s long-running MD110 / MX-ONE platform, the ROF131954/3 supports the many installations of this PBX/exchange family still in service worldwide, decades after its original deployment. Spares such as this remain in demand to extend the working life of existing systems and avoid a full platform replacement.

Tech-Star (UK-based, shipped worldwide) stocks this Ericsson ROF131954/3 TLU 20 board as new or refurbished. Get in touch for current stock availability, condition and lead time.

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 Ericsson ROF131954/3 refurbished or new?
Tech-Star supplies both new and refurbished Ericsson ROF131954/3. Refurbished items are tested and graded against manufacturer specifications; the condition is confirmed at quote.
What warranty is included with the Ericsson ROF131954/3?
Refurbished Ericsson ROF131954/3 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 Ericsson ROF131954/3?
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 Ericsson ROF131954/3 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 Ericsson ROF131954/3 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 FeaturesTiming synchronisation for exchange systems; Logic processing unit; Central processor subsystem component
ApplicationsFixed-line telephone exchange maintenance; MD110/MX-ONE system spares; Telecommunications infrastructure support
CompatibilityEricsson MD110 digital telephone exchanges; Ericsson MX-ONE communication platform; MD110/MX-ONE central processor subsystems
SpecificationsTLU 20 Timing and Logic Unit; ROF131954/3 part designation; earlier hardware revision of ROF131954/4
PlatformEricsson MD110 / MX-ONE
ManufacturerEricsson

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