# OpenScape Business X8 OCCLA — V3 Mainboard

URL: https://www.promark.tr/en/products/occla
Category: Expansion Cards & Modules
Family: [OpenScape Business X8 Cards](https://www.promark.tr/en/products/osbiz-x8-cards)

The new-generation (V3) mainboard of the X8 — system software runs on M.2 SSD. Slot 6 of the base box is dedicated to the mainboard. 8 onboard DSP channels; OCCBL/OCCBH boosters add more. The older OCCL (V2) board is used only in legacy projects.

## Key features

- Mandatory mainboard of X8 V3 systems.
- 8 onboard DSP channels — extend with OCCBL (+40) / OCCBH (+120).
- System software: OSBiz System SW on M.2 SSD (L30251-U600-G668); 256 GB M.2 SSD mandatory for UC Suite/voicemail/logs (G667).
- Slot 6 of the base box is fixed for the mainboard; 9 peripheral slots remain.
- Legacy OCCL (V2, G662) only for legacy/VIP projects.
- Promark: mainboard/DSP sizing and system installation.

## Specifications

- **Type:** X8 mainboard (V3)
- **Onboard DSP:** 8 channels
- **DSP boost:** OCCBL +40 (A933) · OCCBH +120 (A934)
- **System SW:** On M.2 SSD (L30251-U600-G668) + M.2 SSD 256 GB (G667)
- **Slot:** Base box slot 6 (fixed)
- **Legacy:** OCCL V2 (L30251-U600-G662)
- **Mitel PN:** 50008423
- **Unify L No:** L30251-U600-G664

## Use cases

- Core of new X8 V3 installations.
- OCCL-to-OCCLA modernization projects.

## For a quote and BOM

https://www.promark.tr/en/contact · +90 312 544 09 15 · destek@promark.tr