I-OPGW (umugqa wokudlulisa amehlo) intambo yokubona esetshenziswa emigqeni yokudlulisa yamandla kagesi aphezulu engadlulisela kokubili amasiginali wamandla nawokubona.
Ikhebula yenethiwekhi iyisisekelo sokusungula ukuxhumana kwenethiwekhi yekhompiyutha futhi ihilela ukufakwa nokucushwa kwengqalasizinda ebonakalayo esetshenziselwa ukudlulisa idatha kunethiwekhi.