transceiver ngwa anya bụ akụrụngwa ọnụ maka mgbasa ozi ngwa anya.

1. Ụdị transceiver anya:
Ihe ntụgharị anya bụ ngwaọrụ na-agbanwe ọtụtụ E1 (ọkọlọtọ nnyefe data maka ahịrị okporo osisi, na-adịkarị na ọnụego 2.048Mbps, a na-eji ọkọlọtọ a na China na Europe) n'ime akara ngosi ma na-ebufe ha (isi ọrụ ya bụ ịghọta electro- ngwa anya).na ngbanwe ọkụ na ọkụ).Ndị transceivers anya nwere ọnụ ahịa dị iche iche dịka ọnụọgụ ọdụ ụgbọ mmiri E1 si dị.N'ozuzu, transceiver anya kacha nta nwere ike ibunye 4 E1, na transceiver ngwa anya ugbu a nwere ike ibunye 4032 E1.

A na-ekewa transceivers anya n'ime transceivers anya analọg na transceivers anya dijitalụ:
1) Analog optical transceiver

Transceiver anya analọg na-anabata teknụzụ modulation PFM iji bufee mgbama onyonyo ozugbo, nke a na-ejikarị eme ihe ugbu a.Ọgwụgwụ na-ebufe na-ebu ụzọ mee mgbanwe PFM na mgbama vidiyo analọg, wee mee ntụgharị eletrọnịkị-optical.Mgbe ebufechara akara ngosi anya na njedebe nnata, na-eme ntụgharị anya na eletriki, wee mee PFM demodulation iji weghachi akara ngosi vidiyo.N'ihi iji teknụzụ modulation PFM, ebe nnyefe nwere ike iru ihe dị ka kilomita 30 n'ụzọ dị mfe, na nnyefe nke ngwaahịa ụfọdụ nwere ike iru 60km, ma ọ bụ ọbụna ọtụtụ narị kilomita.Na mgbakwunye, akara ngosi onyonyo nwere obere mgbagha mgbe ebufechara ya, yana oke mgbama na mkpọtụ na obere mgbagha na-abụghị nke ntanetị.Site n'iji teknụzụ multiplexing nkewa nkewa ogologo, enwere ike nweta nnyefe onyonyo na akara data n'otu eriri anya iji gboo mkpa nleba anya n'ezie.

Agbanyeghị, transceiver anya analọg a nwekwara ụfọdụ ọghọm:
a) nrụpụta nrụpụta siri ike;
b) O siri ike ịghọta multi-channel image nnyefe na otu eriri, na arụmọrụ ga-eweda.Ka ọ dị ugbu a, ụdị transceiver anya analọgụ a nwere ike ibunye onyonyo ọwa 4 n'otu eriri;
c) Ebe ọ bụ na a na-eji nkà na ụzụ eme ihe analog na demodulation, nkwụsi ike ya adịghị elu.Site na mmụba nke oge iji ma ọ bụ mgbanwe nke njirimara gburugburu ebe obibi, arụmọrụ nke transceiver anya ga-agbanwekwa, nke na-eweta ụfọdụ nsogbu na ọrụ ahụ.

2) transceiver ngwa anya dijitalụ
Ebe teknụzụ dijitalụ nwere uru doro anya n'ọtụtụ akụkụ ma e jiri ya tụnyere teknụzụ analog ọdịnala, dịka teknụzụ dijitalụ si dochie teknụzụ analog n'ọtụtụ mpaghara, digitization nke transceiver anya bụkwa ihe a na-apụghị izere ezere.Ugbu a, e nwere tumadi abụọ teknuzu ụdịdị nke dijitalụ image transceiver anya: otu bụ MPEG II image mkpakọ dijitalụ anya transceiver, na ndị ọzọ bụ na-abụghị abịakọrọ digital image ngwa anya transceiver.Mkpakọ onyonyo Digital transceivers n'ozuzu na-eji teknụzụ mkpakọ onyonyo MPEG II, nke nwere ike ịpịkọta onyonyo na-akpụ akpụ n'ime iyi data N × 2Mbps wee bufee ha site na oghere nkwurịta okwu ekwentị ọkọlọtọ ma ọ bụ ozugbo site na eriri anya.N'ihi iji teknụzụ mkpakọ ihe oyiyi, ọ nwere ike belata bandwidth nnyefe mgbaàmà.