PLC (Onye na-ebu eriri ọkụ)
Ee, sistemụ 2-waya dị ka sistemụ IP.
Na-emekarị kwesịrị gafere RVV2*0.75.
Ee, ọ nwere ike ịrụ ọrụ na ndị ọzọ site na SIP.
Ee, 290A nke ọ bụla nwere ike chepụta ndị nlekota ime ụlọ 8 2-waya, na 290A nwere ike ịgbatị 290AB abụọ. Onye ọ bụla 290AB nwekwara ike jikọọ na 8-waya ime ụlọ.
Otu 290A*1+290AB*2 nwere ike na-arụ ọrụ na 24-2-waya nlekota ime ụlọ. Ọ bụrụ na ndị nlekota ihe karịrị 24pcs, ị nwere ike itinye otu 290A na 290AB ọzọ. 290A nwere ọdụ ụgbọ mmiri RJ45 abụọ iji jikọọ na ngbanwe netwọk maka nkwurịta okwu na otu ndị ọzọ. Nke a bụ otú 2-waya intercom sistemu si atụle.
290A na 290AB na-akwado ya site na nkwụnye DC48V, onye nwe 290 nwere ike ịkwado ya site na nkwụnye DC48V na PoE, ohu 290 ahụ achọghị ike ọzọ.