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Siemens

Siemens Saturn III TMDB PCB Card S30810-Q1749-X 42520 Rev A1A PBX Module

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SKU:
41674
MPN:
TMDB
Condition:
Used
Availability:
Usually ships within 1-2 business days.
Weight:
1.00 LBS
Shipping:
Calculated at Checkout
  • Siemens Saturn III TMDB PCB Card S30810-Q1749-X 42520 – top component side showing dense IC array
  • Siemens TMDB PCB Card S30810-Q1749-X – solder side (bottom) with gold-finger edge connectors
  • Siemens PCB card label showing part number S30810-Q1749-X and UL 94 V-0 flammability rating
  • Siemens TMDB board label closeup showing assembly 42520, MFG 7921B, Rev A1A, FS1, and ESD warning
  • Siemens TMDB PCB Card – lower edge connector detail showing gold-finger card interface
  • Siemens TMDB PCB Card – corner closeup showing A485-A1-2 IC, LHE 9008 chip, and edge connector pins
$45.00
Was: $90.00
Current Stock: 2

Sold Out

Description

Siemens Saturn III TMDB PCB Card S30810-Q1749-X 42520 Rev A1A PBX Module

TMDB PCB card module for Siemens Saturn III Private Branch Exchange systems. This is an internal switching and control component used in telecommunications switching equipment.

Specifications & What's Included

  • Model: S30810-Q1749-X / Assembly 42520
  • Revision: A1A (FS1 variant)
  • Type: PBX PCB Card / Module
  • Manufacturer: Siemens, Germany
  • Compatible: Siemens Saturn III PBX System
  • Card only; no accessories included

Applications

TMDB modules were used in Saturn III PBX systems for telephone switching and call routing functions in corporate and institutional telecommunications installations. These boards perform traffic control and signal processing tasks within the Saturn III platform, which was deployed in medium to large enterprise telephony networks. The Saturn III family served as a central switching hub for business telephone systems through the 1980s and 1990s.

Condition: Used
This Siemens Saturn III TMDB PCB Card (S30810-Q1749-X, assembly 42520) has been inspected and is in good used condition. The board is clean with no visible damage to the PCB traces, components, or gold-finger edge connectors. Normal light handling marks are present consistent with prior installation and removal. Please view our photo set and contact us if you have any questions. Please note: We have multiple units in stock — yours may not be the one shown in the photos, however, it will be similar in condition and function.
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Warranty Information

We stand behind every item we sell with a 30-day money-back guarantee. If your item arrives not as described, you may return it within 30 days for a full refund. Please inspect your purchase upon arrival and contact us with any questions.
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Additional Information

Brand:
Siemens
Model:
S30810-Q1749-X
MPN:
S30810-Q1749-X
Secondary Model:
42520
SKU:
41674
Type:
PBX PCB Card / Module
Card / Board Name:
TMDB
Assembly Number:
42520
Revision:
Rev A1A
Variant / Suffix:
FS1
Compatible With:
Siemens Saturn III PBX System
Form Factor:
PCB Card / Module
Condition:
Used – Inspected
Country/Region of Manufacture:
Germany
Seller Notes:
Card only; no accessories included.
Condition Notes:
Siemens Saturn III TMDB PCB Card S30810-Q1749-X (42520) inspected and in good used condition. PCB, components, and gold-finger connectors appear clean with no visible damage. Normal handling wear from prior use.
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