Siemens S30813-Q299-X-9/01 EWSD (Elektronisches Waehlsystem Digital) digital switching system Telecom System Card / Module

Siemens S30813-Q299-X-9/01 EWSD (Elektronisches Waehlsystem Digital) digital switching system Telecom System Card / Module Image 1

Genuine Siemens EWSD STM-1 optical interface board, type STM1:O(P) (S30813-Q299-X-9/01), for EWSD digital switching exchange racks. Tech-Star (UK-based, shipped worldwide) – enquire for stock.

The Siemens S30813-Q299-X-9/01 is a genuine STM-1 optical interface board from the Siemens EWSD (Elektronisches Waehlsystem Digital) digital switching platform. It carries the internal Siemens designation STM1:O(P) (STM1:O), indicating an STM-1 (155 Mbit/s) optical transmission interface card, and belongs to the S30813-Q series of EWSD subrack cards used for SDH/optical interconnection between exchange racks.

EWSD is Siemens’ large-scale digital circuit-switching system for fixed-line telephone exchanges. It was deployed extensively worldwide from the 1980s through the 2000s and still supports many legacy and developing-market networks today. This board is supplied as a genuine pull and is intended as a like-for-like spare for engineers maintaining or expanding an existing EWSD installation.

For EWSD maintenance spares, Tech-Star ships worldwide from the UK and carries a wide range of legacy Siemens boards. Contact us to check stock and fit.

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 Siemens S30813-Q299-X-9/01 refurbished or new?
Tech-Star supplies both new and refurbished Siemens S30813-Q299-X-9/01. Refurbished items are tested and graded against manufacturer specifications; the condition is confirmed at quote.
What warranty is included with the Siemens S30813-Q299-X-9/01?
Refurbished Siemens S30813-Q299-X-9/01 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 Siemens S30813-Q299-X-9/01?
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 Siemens S30813-Q299-X-9/01 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 Siemens S30813-Q299-X-9/01 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 FeaturesEWSD S30813-Q series STM-1 optical interface card, internal type STM1:O(P); Genuine Siemens plug-in board for EWSD digital switching racks; Pulled from a working EWSD exchange, supplied tested where possible
ApplicationsSTM-1 optical transmission interfacing within an EWSD exchange; Spares provisioning for legacy Siemens digital switching networks; Sustaining existing EWSD line/trunk group (LTG) racks with SDH connectivity
CompatibilitySiemens EWSD digital switching system; S30813-Q series EWSD subrack cards; EWSD LTG shelf slots (installation-specific, confirm fit before ordering)
SpecificationsSiemens part number S30813-Q299-X-9/01; Internal type code STM1:O(P); STM-1 (155 Mbit/s) optical interface, EWSD plug-in card form factor
PlatformSiemens EWSD (Elektronisches Waehlsystem Digital) digital switching system
ManufacturerSiemens

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