V-GVE is an Asic-based converter using one E1/G.703 to convert to V.35. It can convert successive N*64K (N=1--32) data stream into PCM signal of E1. The data rate is up to 2048Kbps; it was placed in E1 frame, and only take up necessary timeslot. Timeslot distribution is continuous and be based on speed rate at data port. The data port is V.35 or V.24/RS232 for option. The ports support external clock and achieve end-linking circuitry. The converter also can be collocated with 10BASE-T Ethernet UTP interface. V-GVE comply with G.703, G.704&G.706 of ITU. V-GVE has local and remote loopbacks. Therefore, users can use circuity-test and failure diagnose conveniently.