# OpenScape Business TLANI4R — 4-Port Analog Trunk Card

URL: https://www.promark.tr/en/products/tlani4r
Category: Expansion Cards & Modules
Family: [OpenScape Business X3R/X5R Cards](https://www.promark.tr/en/products/osbiz-x5r-cards)

4-port analog exchange line (trunk) card for X3R/X5R. Front-panel R-series card — not to be confused with X8 trunk cards (DIUT3/TMANI); X8 cards do not fit the X5R.

## Key features

- 4 analog trunk (exchange line) ports.
- Platform: X3R / X5R — front-panel connection.
- Incompatible with X8 trunk cards (DIUT3, TMANI) — platforms use separate cards.
- Promark: trunk capacity planning and commissioning.

## Specifications

- **Type:** Analog trunk card
- **Port:** 4 × analog trunk
- **Platform:** OpenScape Business X3R / X5R (front panel)
- **Mitel PN:** 50009257
- **Unify L No:** L30251-U600-A594

## Use cases

- Terminating PSTN analog exchange lines on the X5R.
- Backup analog trunk during SIP trunk migration.

## For a quote and BOM

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