B2 Module

Manufacturer reference

Manufacturer details describe the cited version. Confirm the exact unit and intended system.

Product type

2-port BRI module

Ports / interfaces

2 BRI interfaces (NT/TE)

Line use

ISDN Basic Rate Interface (BRI)

Datasheet-listed PBX families

S-Series; P550/P560 and P570 subject to host limits

Selection notes

• B2 provides ISDN BRI interfaces, not O2 analog FXO or S2 analog FXS ports. The PDF lists host-specific maximum B2 module counts; confirm actual PBX model, module slot, firmware and local ISDN service before ordering.
• The manufacturer datasheet does not confirm ISD stock, actual module revision, price, delivery date, local warranty or package contents.

Official documents

• Yeastar B2 Module official PDF in module datasheet archive

Manufacturer source checked 2026-10-07. The supplied unit and local terms require confirmation.