# OpenStage Key Module 15 — DSS Key Expansion Module

URL: https://www.promark.tr/en/products/openstage-km15
Category: Endpoints
Family: [OpenStage IP Family — 15 / 40 / 60 (Legacy)](https://www.promark.tr/en/products/openscape-openstage)

DSS expansion module for OpenStage 15 (IP) and OpenStage 15T / 30T / 40T (TDM) phones, adding 18 LED-equipped freely programmable keys. Usable as line, speed-dial or feature keys; paper-insert labeling.

## Key features

- 18 freely programmable keys — line, speed-dial or feature; LED on every key.
- Paper-insert labeling — printed or hand-written personalization.
- Plugs directly into the phone's side port — no extra cable or PSU required.
- Up to 1 module per phone (18 extra keys total).
- Ice blue or lava color — matched to the connected phone.
- Compatible IP phones: OpenStage 15 / 40 (HFA/SIP).
- Compatible TDM phones: OpenStage 15T / 30T / 40T.

## Specifications

- **Keys:** 18
- **Key type:** Mechanical, with LEDs
- **Labeling:** Paper inlay (writable or printed)
- **Connection:** Phone side port (cableless, plugs in directly)
- **Max modules:** 1 per phone
- **Compatible phones (IP):** OpenStage 15, OpenStage 40
- **Compatible phones (TDM):** OpenStage 15T, OpenStage 30T, OpenStage 40T
- **Color:** Ice blue or lava
- **External PSU:** Not required
- **Operating temperature:** +5 °C to +40 °C

## Use cases

- Secretariat — 18 BLF keys to monitor an executive's line state.
- Reception (entry tier) — speed-dial keys for frequently called internal numbers.
- Small transfer-heavy operations — one-touch transfer to 18 internal users.
- Hotel floor supervisor — limited number of keys for room status (BLF).
- Legacy OptiPoint Beistellgerät replacement — compatible module on the TDM side.

## For a quote and BOM

https://www.promark.tr/en/contact · +90 312 544 0915 · destek@promark.tr