# OpenScape Key Module 400 (KM400) — Key Expansion Module

URL: https://www.promark.tr/en/products/km400
Category: Endpoints
Family: [CP TDM Family — CP205T / CP405T](https://www.promark.tr/en/products/digital-phones)

16-key LED expansion module for CP405T TDM phones — paper labels. Up to 2 modules per phone; the second module requires a local power supply.

## Key features

- 16 freely programmable keys with LED.
- Paper labelling.
- Compatible phone: CP405T (TDM).
- Max 2 modules per phone — 2nd module requires local power supply.
- Promark: key plan design and commissioning.

## Specifications

- **Type:** Key Module (key expansion)
- **Keys:** 16 (with LED)
- **Labelling:** Paper
- **Compatibility:** CP405T (TDM)
- **Max units:** 2 (2nd needs local PSU)
- **Mitel PN:** 50009184
- **Unify L No:** L30250-F600-C429

## Use cases

- Multi-line key field for secretary and operator desks.
- TDM subscribers with heavy internal traffic.

## For a quote and BOM

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