Yeastar EX30 1 Onboard E1 T1 PRI Port

Product Specifications Brand: Yeastar Model: EX30 Product Type: Telephony Expansion Board E1/T1/PRI Ports: 1 onboard port Supported Trunk Types: E1, T1, J1/PRI, subject to supported PBX configuration Application: Digital telephony trunk expansion Interface: E1/T1/J1/PRI Installation: Expansion board installation in a compatible Yeastar PBX E1 Configuration: 30 B-channels plus 1 D-channel T1 Configuration: 23 B-channels plus 1 D-channel Signalling: Dependent on PBX and carrier configuration Framing: Dependent on interface type and carrier requirements Line Coding: Dependent on interface type and carrier requirements Yeastar documents E1 options including CRC4 and different framing settings, while T1/J1 configurations can use options such as ESF or D4 depending on the service. Line coding options also vary by interface type.