Hoʻolālā ʻia ʻo JHA's 19” 3U video converter rack OM1918V e noʻonoʻo i ka OM620 series 1 ~ 8 channel video optical receiver kāleka.Hāʻawi ka hoʻolālā pāʻani-a-plug i ka ʻoluʻolu nui i ka hoʻokomo ʻana.Hiki iā ia ke paʻa i nā ʻāpana 18 o nā kāleka 1~4-ch, a i ʻole 9 mau ʻāpana o nā kāleka 8-ch.