Each port can be configured as NT (Network Termination) or TE (Terminal Equipment) mode
Compatibility
Compatible with Yeastar S-Series VoIP PBX (e.g., S20, S50, S100, S300), P-Series PBX
Protocol Support
EuroISDN (ETS 300 102)
Channel Support
Each BRI port supports 2 voice channels (total 4 channels)
Signaling
ISDN BRI signaling
Hot-Pluggable
Yes
Use Case
Connecting ISDN BRI lines to VoIP PBX or integrating legacy PBX systems
Power Requirement
Draws power from the PBX mainboard (no external power required)
Dimensions
Approx. 96mm x 65mm x 18mm
Weight
Approx. 50g
Installation
Plug-in module for internal expansion slots
Environment
Operating Temperature: 045°CStorage: -2080°C
Certifications
CE, FCC, RoHS
Yeastar B2 Module – 2 Port BRI ISDN Module for S-Series & P-Series PBX
Discover the full specs of the Yeastar B2 Module. A dual-port BRI ISDN module supporting 4 voice channels, NT/TE mode, and hot-pluggable installation for Yeastar S-Series and P-Series VoIP PBX systems.
Yeastar B2 Module
2 Port BRI ISDN module
Yeastar S-Series BRI module
ISDN BRI expansion card
Yeastar B2 specs
NT/TE BRI interface Yeastar
BRI VoIP PBX module
Yeastar PBX hardware module
S100/S300 ISDN module
Dual BRI port card for VoIP
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