Ericsson RYS102320/RYS102321 EPROM Set AXE Telecom System Card / Module

Ericsson RYS102320/RYS102321 EPROM Set AXE Telecom System Card / Module Image 1

Ericsson RYS102320/RYS102321 EPROM Set containing both PROM chips for the LPU5 processor unit, software revisions R9A to R13A.

Ericsson RYS102320;RYS102321 – The Ericsson RYS102320 and RYS102321 form an EPROM set designed for the LPU5 (Line Processor Unit 5) within Ericsson telecommunications switching systems. This firmware chip set contains the software revisions R9A through R13A, providing the essential operating code for the processor unit to function correctly within the exchange infrastructure.

EPROM sets such as this were integral to Ericsson MD110 / MX-ONE digital switching platform, where the LPU5 served as a critical processing component handling line and trunk interfaces. The firmware stored on these chips controls the processor’s operation, call handling logic, and interface management within the broader exchange architecture.

This is a legacy component from Ericsson’s traditional circuit-switched telephony era. While MD110 / MX-ONE systems have largely been superseded by modern packet-based solutions, many installations remain operational worldwide, particularly in markets where the transition to IP-based infrastructure is ongoing. Maintaining a stock of firmware components like this EPROM set is essential for operators supporting these established networks.

Available from Tech Star as new or refurbished stock. Submit a price enquiry for availability 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 RYS102320/RYS102321 EPROM Set refurbished or new?
Tech-Star supplies both new and refurbished Ericsson RYS102320/RYS102321 EPROM Set. Refurbished items are tested and graded against manufacturer specifications; the condition is confirmed at quote.
What warranty is included with the Ericsson RYS102320/RYS102321 EPROM Set?
Refurbished Ericsson RYS102320/RYS102321 EPROM Set 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 RYS102320/RYS102321 EPROM Set?
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 RYS102320/RYS102321 EPROM Set 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 RYS102320/RYS102321 EPROM Set 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 FeaturesEPROM firmware set; LPU5 processor compatible; Software revisions R9A-R13A; Two-chip set
ApplicationsAXE exchange maintenance; LPU5 processor upgrades; Legacy telecom system support
CompatibilityEricsson LPU5 processor unit; Ericsson AXE switching systems
SpecificationsEPROM format; Firmware versions R9A to R13A; Part numbers RYS102320 and RYS102321
PlatformEricsson AXE
ManufacturerEricsson

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