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銆�銆�2銆佺浜屼唬鍏夌簴閫氫俊绯荤当(t菕ng)
銆�銆�20涓栫磤(j矛)80骞翠唬鍒濓紝绗簩浠ｆ棭鏈熷妯″厜绾栭�氫俊绯荤当(t菕ng)锛�1.3um锛夊妯″厜绾栭�氫俊绯荤当(t菕ng)鍟�(w猫n)涓�銆傚厜婧愮偤鍗婂皫(d菐o)楂旀縺鍏夊櫒锛屽伐浣滄尝闀�(zh菐ng)位锛�1.3渭m锛岃┎娉㈡鐐虹煶鑻辩郴鍏夌簴绗簩浠ｄ綆鎼嶈�楃獥鍙�锛屾湁杓冧綆鐨勬悕鑰楀拰鑹叉暎銆備俊閬撳潎鐐哄潎鍕诲妯″厜绾�銆傜敱浜庡妯″厜绾栫殑姗悜鑹叉暎锛屾晠瑭叉棭鏈熷妯″厜绾栫殑姣旂壒闄愬埗鍦�100Mb/S浠ヤ笅銆傞毃钁楀厜绾栫敱澶氭ā鍏夌簴鐧�(f膩)灞曞埌鍠ā鍏夌簴锛屽柈妯″厜绾栨瘮澶氭ā鍏夌簴鐨勮壊鏁ｇ郴鏁�(sh霉)鏇翠綆锛屾悕鑰楁洿灏�锛屽洜姝�锛岄噰鐢ㄥ柈妯″厜绾栧墖鍙��(j矛n)涓�姝ユ彁楂樹腑绻艰窛闆�銆�1981骞达紝鑻卞湅(gu贸)璨濈埦瀵�(sh铆)椹�(y脿n)瀹ゆ紨绀轰簡涓�鍊�(g猫)鍠ā鍏夌簴閫氫俊绯荤当(t菕ng)锛屽叾鍌宠几璺濋洟鐐�44Km锛屽偝杓搁�熺巼鐐�2Gb/s锛屽苟涓斿緢蹇紩鍏ュ埌鍟嗘キ(y猫)绯荤当(t菕ng)銆�1987骞寸浜屼唬鍠ā鍏夌簴閫氫俊绯荤当(t菕ng)锛�1.3渭m锛夊紩鍏ュ埌鍟嗘キ(y猫)绯荤当(t菕ng)锛岄�熺巼鐐�1.7 Gb/s锛屼腑绻艰窛闆㈢偤50Km宸﹀彸銆�
銆�銆�3銆佺涓変唬鍏夌簴閫氫俊绯荤当(t菕ng)
銆�銆�1990骞�锛岀涓変唬鍏夌簴閫氫俊绯荤当(t菕ng)宸茶兘鍟嗘キ(y猫)鎳�(y墨ng)鐢紝鍏夋簮鐐洪姦閻岀牱纾峰崐灏�(d菐o)楂旀縺鍏夊櫒锛屽柈妯″厜绾栧伐浣滄尝闀�(zh菐ng)鐐�1.55um锛岀ū鐐洪暦(zh菐ng)娉㈢郴绲�(t菕ng)銆�1979骞村叾鎼嶈�楅仈(d谩)鍒�0.2dB/Km锛屾槸鐭宠嫳鍏夌簴鐨勭涓夊��(g猫)浣庢悕鑰楀伐浣滅獥鍙�锛岀敱浜庡湪1.55um铏�锛屽厜绾栫殑鑹叉暎杓冮珮锛屾悕鑰楄純灏�锛岀祩浜庡湪1990骞寸涓変唬鍏夌簴閫氫俊绯荤当(t菕ng)寮曞叆鍟嗘キ(y猫)绯荤当(t菕ng)銆傚偝杓搁�熺巼鍦�2.4~2.5Gb/S锛屼腑绻艰窛闆㈠彲閬�(d谩)100Km宸﹀彸銆傚彟澶栵紝鏈�杩戝咕骞�锛屽張灏�1.30um鍜�1.55um鍚堢敤锛屽嵆鍠ā鍏夌簴鍏锋湁浜屽��(g猫)宸ヤ綔娉㈤暦(zh菐ng)绐楀彛锛屽洜姝ゅ偝杓搁�熺巼鍙仈(d谩)鍒�10Gb/S,鍌宠几璺濋洟鐐�100锛�200Km宸﹀彸
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