trunking gateway e1, sip. has wan port, usb port, console port rj45, 8 e1 ports rj45.

background bandwidth business cable center communication computer connect connection connector console data digital engineering equipment ethernet fiber hardware has illustrationn inch industry internet link links network networking patch port ports rack rgb rj45 router service sip streams switch technology telecom telecommunication telecoms telephone telephony traffic transmission trunking usb vector wan white wire