1.integrated design 2.max 64input, 16output, 3.take with 32 alarm 4.option front panel keyboard 5.full ... one RS485 / Mac manchester auto code input, switch to 16 output of independent RS 484, Mac manchester auto ... switch to RS485 /Mac manchester auto code of output, could control the RS 485/ Mac manchester ... interface box, could accept the max 1024 alarm port, FTP the alarm pictures, VIDEO, AUDIO, VIA ...