ɐ kˈeɪbəl ʌv ˈɑːptɪkəl fˈaɪbɚz, pˈɑːsᵻbli kəŋkˈætənˌeɪɾᵻd ˌɪntʊ ɐ dˈɑːɹk fˈaɪbɚ lˈɪŋk, ɪz ðə sˈɪmpəlɪst fˈɔːɹm əvən ˈɑːptɪkəl lˈɪŋk.
A cable of optical fibers, possibly concatenated into a dark fiber link, is the simplest form of an optical link.