Supporting voice interface and physical interface of AR serial router.
External interface of FXS/FXO/E&M is standard RJ-45 interface.
Connection cable of FXS/FXO is standard simulated phone cable and connectors of both sides are RJ-11.
Connection cable of E&M is chosen according to the type of connected switch.
Interface cable of E1VI is 120ohm cable of G.703 standards. The cable is DB-15 connector at the router and it is RJ-45 connector at network.