Transceiver Optical waa qalabka terminaalka ee gudbinta ishaarada indhaha.Transceivers indhaha waa in loo kala saaraa qalab-qaadayaasha indhaha ee teleefoonka, transceivers optical video, transceivers audio, transceivers xogta, transceivers indhaha Ethernet, iyo transceivers indhaha 3 qaybood: PDH, SPDH, SDH.

SDH (Xiriirka Dijital ah ee Isku-dhafka ah, Isku-dhafka Dijital ah ee Isku-dhafka ah), marka loo eego qeexitaanka lagu taliyey ee ITU-T, waa gudbinta calaamadaha dhijitaalka ah ee xawaaraha kala duwan si loo bixiyo heer u dhigma qaab-dhismeedka macluumaadka, oo ay ku jiraan hababka isku-dhufashada, hababka khariidadaha, iyo hababka isku-dhafka ee la xidhiidha. .Nidaamka farsamada.

transceiver indhaha SDHwuxuu leeyahay awood ballaaran, guud ahaan 16E1 ilaa 4032E1.Hadda si weyn loogu isticmaalo shabakadaha indhaha, SDH terminal indhaha waa nooc ka mid ah qalabka terminaalka ee loo isticmaalo shabakadaha indhaha.

Codsiga ugu weyn ee transceiver indhaha SDH
Qalabka gudbinta SDH ayaa si weyn loogu horumariyay goobta shabakadaha ballaaran iyo goobta shabakada gaarka ah.Hawl-wadeennada Isgaadhsiinta sida China Telecom, China Unicom, iyo Raadiyaha iyo Telefiishanka ayaa horeba u dhisay shabakadaha gudbinta indhaha ee SDH-ku-salaysan.

Hawl-wadeenadu waxay isticmaalaan siddo SDH oo awood badan si ay u qaadaan adeegyada IP, adeegyada ATM-ka, iyo fiber-ka indhaha ee isku-dhafan ee qalabka gelitaanka ama si toos ah uga kireeyaan wareegyada shirkadaha iyo machadyada.

Qaar ka mid ah shabakadaha gaarka loo leeyahay ayaa isticmaala tignoolajiyada SDH si ay u dejiyaan wareegyada indhaha ee SDH ee nidaamka si ay u qaadaan adeegyo kala duwan.Tusaale ahaan, nidaamka korontadu wuxuu isticmaalaa loops SDH si uu u qaado xogta gudaha, kontoroolka fogaanta, muuqaalka, codka iyo adeegyada kale.