Description
Toshiba DKSUE424A Digital Business Telephone PBX System RMAUE2A RPSU28A PDKU2A
The Toshiba DKSUE424A is a Digital Business Telephone System (DKS) from Toshiba's DK424 series, designed to serve as the central switching cabinet for a business telephone network. It houses the main processor, power supply, digital keyset port cards, and interface modules that together manage internal extensions, outside lines, and system features across an office or small business environment.
Specifications & What's Included
- Model: Toshiba DKSUE424A (DK424 series)
- Version: V.1A
- Input Power: 120V AC, 60 Hz, 2.4A
- CSA certified (LR62489)
- Included module — Main Processor/Controller: RMAUE2A (qty 1)
- Included module — Power Supply Unit: RPSU28A (qty 1)
- Included module — Digital Keyset Port Card: PDKU2A (qty 5)
- Included module — Port/Interface Card: PIOUSIA (qty 1)
- Form factor: floor/wall-mount cabinet with open card-slot chassis
- Multiple card slots for expansion modules
- Vented side panels for airflow/cooling
Applications
The Toshiba DK424 series is a modular digital PBX and key telephone system platform that was widely deployed in small-to-medium business settings from the late 1980s through the 1990s and into the 2000s. The DKS cabinet serves as the key system unit (KSU) — the central hub that all desk phones, lines, and features route through. The PDKU2A cards provide the digital station ports that connect individual Toshiba digital desk phones, while the PIOUSIA card handles analog or interface connections. The RPSU28A supplies regulated DC power to all installed cards and the RMAUE2A handles call processing and system logic. These systems were used in offices, hotels, small call centers, and retail businesses that needed multi-line telephone functionality, extension dialing, hold, transfer, and voicemail integration without the cost of a full enterprise PBX. Replacement cards, phones, and programming equipment are still available in the secondary market, making this a viable platform for legacy business telephone support and refurbishment.
This Toshiba DKSUE424A Digital Business Telephone PBX System has been inspected and is in good used condition. It was pulled from a working environment where it was actively in use and functional. The cabinet and installed modules show normal wear consistent with office use. Please view our photo set and contact us if you have any questions.
Warranty Information
Additional Information
Brand: |
Toshiba |
Model: |
DKSUE424A |
MPN: |
DKSUE424A |
SKU: |
29141 |
Type: |
Digital Business Telephone PBX System |
System Series: |
Toshiba DK424 |
Input Voltage: |
120V AC |
Frequency: |
60 Hz |
Current Draw: |
2.4A |
Version: |
V.1A |
Included Module: Processor/Main: |
RMAUE2A (qty 1) |
Included Module: Power Supply: |
RPSU28A (qty 1) |
Included Module: Digital Keyset: |
PDKU2A (qty 5) |
Included Module: Port/Interface: |
PIOUSIA (qty 1) |
Form Factor: |
Wall-Mount / Cabinet |
Power Requirements: |
120V AC, 60Hz, 2.4A |
Country/Region of Manufacture: |
Japan |
Seller Notes: |
Includes RMAUE2A (x1), RPSU28A (x1), PDKU2A (x5), PIOUSIA (x1) modules installed in cabinet. |
Condition Notes: |
This Toshiba DKSUE424A Digital Business Telephone PBX System has been inspected and is in good used condition. Pulled from a working environment where it was in use and functional. Normal wear. Please contact us with any questions. |
California Prop 65 Warning: |
WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov |
