Yeastar B2 Module 2 BRI Port

The B2 Module is a module with 2 BRI Ports, and each BRI
port supports 2 BRI channel

Yeastar B2 Module – 2 BRI Ports

General

• Module type: BRI (ISDN Basic Rate Interface)

• Number of BRI ports: 2

• Each BRI port configurable as NT or TE mode

Channels

• Each BRI port provides:

  • 2 bearer (B) channels at 64 kbit/s each (for voice or data)

  • 1 data (D) channel at 16 kbit/s (for signalling / control / data)

• Total simultaneous B‑channels per module: 4 (2 per port × 2 ports)

Connectors

• Connector type: RJ‑11 (4‑pin) or RJ‑12 (6‑pin), depending on PBX interface

Compatibility

• Compatible with Yeastar S-Series and P-Series PBX systems (e.g., P550, P560, P570), subject to available module slots and expansion board limits