The DMX signal allocated buffer is designed for DMX lighting system characteristics, can be planned into 1 to 4, or two groups of 1 to 2, or four groups of 1 to 1 buffer circuit, easy for flexible application, every output circuit is electrically isolated design.Specification:dimension :108(w)*72(d)*34(h)mmpower input : DC 8~ 30Vpower consumption : 1.2W maximumsignal input : DMX-512 1~4signal output : DMX-512 4 portshousing : aluminum silver colorconnect : DMX in/out RJ-45 *8 : DC in & DC out (max 1A)Operation mode:1 * 1 to 42 * 2 to 24 * 1 to 1