DVX-8030 supports 1-4 port PRI (E1 or T1)/CAS/R2 module supports the D-link DVX-8010 internal E-main card . It supports 100% electronic operation (no relays) based on solid-state electronics, and TBR4-rated surge protection. Voltages and currents (supplied by the e-main control module): Logic 3.3 VDC @ up to 0.3 amp
The module includes 8 RJ45 ports to support up to 4 PRI lines. Each port has a separate NT and TE connector to allow seamless operation without requiring jumper settings.