Compatible with Yeastar S100 and S300 IP PBX Systems
Digital Signaling Support
ISDN PRI, MFC/R2, SS7
Line Coding
HDB3 (for E1), B8ZS (for T1)
Framing Format
CRC4 (for E1), ESF/D4 (for T1)
Channels Supported
Up to 30 simultaneous voice channels (E1) / 24 channels (T1)
Hot Swappable
Yes
Plug-and-Play
Yes – auto-detect and auto-configure on supported PBX
Use Case
Ideal for connecting to legacy digital PSTN trunks or digital PBX systems
Power Supply
Powered by the main PBX unit (no separate power source needed)
Dimensions
Approx. 90 mm × 65 mm
Weight
Approx. 100g
Operating Temperature
0°C to 45°C
Storage Temperature
-20°C to 80°C
Certifications
CE, FCC, RoHS
Yeastar EX30 Expansion Board – Full Specifications for E1/T1 PRI Integration
Explore full specifications of the Yeastar EX30 Expansion Board. Add E1/T1/PRI trunk support to your S100 or S300 PBX with up to 30 simultaneous voice channels and hot-swappable convenience.
