2 BRI Ports for Yeastar PBX, 2 x NT/TE, S interface, EDSS1 Signaling (Q.931), RJ-45 connection
B2-MODULE is a module for the Yeastar IP PBX series, with 2 BRI ports to terminate two BRI lines.
Number of Ports: 2 x NT/TE
BRI ISDN details: S interface, Signaling EDSS1 (Q.931)
Connection via RJ-45