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

Specifications
- Tip / Type
- Key Module (tuş genişletme / key expansion)
- Tuş / Keys
- 16 (LED'li / with LED)
- Etiket / Labelling
- Kağıt / Paper
- Uyumluluk / Compatibility
- CP405T (TDM)
- Maks. adet / Max units
- 2 (2. modül harici güç / 2nd needs local PSU)
- Mitel PN
- 50009184
- Unify L No
- L30250-F600-C429
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.
Typical applications
Multi-line key field for secretary and operator desks.
TDM subscribers with heavy internal traffic.
Related Solutions
Related Products

Mid-tier TDM desk phone for OpenScape Business and OpenScape 4000 via UP0/E digital interface, with a 3.7" 240 × 120 pixel graphical display (white LED backlight) and 16 programmable keys. Expandable with up to 2 KM400 modules.
Details
Entry-level TDM desk phone connecting to OpenScape Business and OpenScape 4000 platforms via the UP0/E digital line interface. 192 × 48 pixel two-line display, 4 programmable keys, full-duplex hands-free and USB CTI port.
Details16-key LED expansion module for CP405T TDM phones — paper labels. Up to 2 modules per phone; the second module requires a local power supply.