# OpenScape 4000 EcoBranch — Branch Survivability Platform

URL: https://www.promark.tr/en/products/openscape-4000-ecobranch
Category: PBX & UC
Family: [OpenScape 4000](https://www.promark.tr/en/products/openscape-4000)

OpenScape 4000 sub-system for small to mid-size branches — operates as a fully functional local PBX when the WAN link to the central system fails. Optional AC/AC or AC/DC redundant power supply.

## Key features

- Branch survivability: the branch keeps working locally during a WAN outage.
- Order code: S30122-K7761-X.
- Single chassis IP + digital + analog access — hybrid infrastructure support on the branch side.
- Redundant power supply option (AC/AC or AC/DC) — resilience to mains outages at critical branches.
- Expandable with OpenScape EcoBranch modules — analog port module, digital UP0/E module, BRI/PRI module.
- Integrates with OpenScape 4000 SoftGate — IP-phone access from branches.
- Managed centrally from a single OS 4000 — multi-site view in the Manager.
- European energy compliance certified.

## Specifications

- **Type:** OS4000 subsystem (branch survivability)
- **Order code:** S30122-K7761-X
- **Form factor:** Rack mount appliance
- **Connection types:** IP (SIP/H.323), digital UP0/E, analog (FXS/FXO), BRI/PRI
- **Redundant PSU:** Optional (AC/AC or AC/DC)
- **Branch modules:** Analog port, digital UP0/E, BRI, PRI
- **Survivability:** Full local operation during WAN outage
- **Management:** Central OpenScape 4000 Manager
- **SoftGate:** For IP phone traffic

## Use cases

- Multi-branch holding remote office — connected to central OS 4000, keeps working locally during WAN outage.
- Hotel chain secondary site — linked to central reservation, room phones stay up during WAN cut.
- Bank branch — survivability point of the central PBX, critical customer calls don't drop.
- Hospital remote polyclinic — voice link to main campus + emergency line local backup.
- Government regional office — analog/IP hybrid infrastructure + backup power for grid outages.

## For a quote and BOM

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