Module na SFP ya ƙunshi na'urar gani, da'ira mai aiki da mahaɗar gani. Na'urar gani ta ƙunshi sassa masu watsawa da karɓa.
Bangaren watsawa shine: shigar da takamaiman ƙimar siginar lantarki, ta hanyar sarrafa guntu direban ciki, tuƙi laser semiconductor (LD) na haske mai emitting diode (LED) don aika madaidaicin ƙimar ƙimar siginar gani, haske na ciki shine. an samar da tsarin sarrafa wutar lantarki ta atomatik. Ƙarfin siginar gani mai fitarwa ya kasance barga.
Bangaren karɓa shine: na'urar shigar da siginar gani na takamaiman ƙimar lambar tana canzawa zuwa siginar lantarki ta hanyar diode ganowa na gani. Bayan preamplifer, siginar fitarwa na ƙimar bit ɗin daidai shine matakin PECL. Lokacin shigar da ƙarfin gani ya kasa da takamaiman ƙima, ana haifar da siginar ƙararrawa.
Siga da ma'anar na'urorin gani
Na'urorin gani na gani suna da kowane mahimman sigogin fasaha na gani. Koyaya, don GBIC da SFP hot-tologin SFP Modules, kuna buƙatar kula da sigogi uku masu zuwa.
Dangane da nanometer(nm), akwai manyan nau'ikan guda uku a halin yanzu.
850nm (MM, Multi-mode, low cost amma gajeriyar nisa watsawa, gabaɗaya kawai 500M).
1310nm (SM, Single Mode, ƙananan watsa hasara, babban watsawa, gabaɗaya ana amfani dashi don watsa nisa mai nisa akan 40KM, babu gudun ba da sanda zai iya watsa 120KM kai tsaye).
1550nm (SM, Single Mode, ƙananan asarar watsawa, babban watsawa, gabaɗaya ana amfani dashi don watsa nisa mai nisa akan 40KM, babu sake kunnawa kai tsaye 120KM).
Yawan watsawa
Lambobin bits (BPS) na bayanan da ake watsawa cikin daƙiƙa guda.
A halin yanzu. Akwai Modulolin SFP guda huɗu da aka fi amfani da su. 155Mbps, 1.25Gbps, 2.5Gbps, 10Gbps da sauransu. Yawan canja wuri yawanci yana dacewa da baya. Saboda haka, 155M SFP Module kuma ana kiransa FE (100Mbit/s) SFP Module, kuma 1.25G SFP Module kuma ana kiransa GE (Gigabit) na gani na gani.
Wannan shine mafi yawan amfani da SFP a cikin kayan watsawa na gani. Bugu da ƙari, ƙimar watsawarsa a cikin tsarin ajiya na fiber optic (SAN) sune 2Gbps, 4Gbps, da 8Gbps.
Nisa watsawa
Siginar gani baya buƙatar isar da siginar gani zuwa nisa inda za'a iya watsa su kai tsaye. A cikin kilomita (kuma ana kiranta kilomita, KM). Bayani dalla-dalla na SFP Modules sune kamar haka: Multi-Mode 550M, Single-Mode 15KM, 40KM, 80KM, da 120KM, da dai sauransu.