# OpenScape Business SLU8NR — 8-Port UP0/E Digital Subscriber Card

URL: https://www.promark.tr/en/products/slu8nr
Category: Expansion Cards & Modules
Family: [OpenScape Business X3R/X5R Cards](https://www.promark.tr/en/products/osbiz-x5r-cards)

8 × UP0/E digital subscriber expansion card for X3R/X5R. Added to grow beyond the 8 onboard UP0/E ports; the X5R digital subscriber ceiling is 56. CP205T/CP405T and OpenStage T series digital phones connect to these ports.

## Key features

- 8 × UP0/E digital subscriber ports.
- Platform: X3R / X5R.
- Capacity beyond the 8 onboard UP0/E — X5R master ceiling 56.
- Compatible phones: CP205T, CP405T, OpenStage 15T/40T/60T.
- Promark: digital subscriber planning and commissioning.

## Specifications

- **Type:** Digital subscriber expansion card
- **Port:** 8 × UP0/E
- **Platform:** OpenScape Business X3R / X5R
- **System ceiling:** 56 UP0/E (X5R, incl. 8 onboard)
- **Compatible devices:** CP205T, CP405T, OpenStage 15T/40T/60T
- **Mitel PN:** 50009275
- **Unify L No:** L30251-U600-A814

## Use cases

- Migrating to X5R while preserving the existing digital phone fleet.
- Digital subscriber expansion in TDM-heavy offices.

## For a quote and BOM

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