ROF 137ACB/2 Ericsson Ericsson MD110 PBX Expansion Card

The Ericsson ROF 137ACB/2 is an ABC (KKO) Conference Card designed to provide multi-party conference call functionality within Ericsson telephony systems. This card enables multiple participants to join a single call, facilitating group discussions and collaborative communications within the enterprise environment.

This conference card is intended for use with the Ericsson MD110 Business Communications System, a legacy PBX platform that was widely deployed across enterprise and institutional environments. The KKO designation indicates its role as a conference bridge module within the MD110 architecture.

The MD110 platform and its associated hardware, including the ROF 137ACB/2, represent discontinued Ericsson telecommunications technology. However, many organisations continue to operate these systems and require replacement components to maintain existing infrastructure. Refurbished units provide a cost-effective solution for sustaining legacy deployments.

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