OLT
锛?/p>
Optical Line Terminal
锛?/p>
鍏夌嚎璺粓绔�?/p>
鍦?/p>
PON
鎶�鏈簲鐢ㄤ腑锛?/p>
OLT
璁惧
鏄噸瑕佺殑灞�绔澶囷紝瀹冨疄鐜扮殑鍔熻兘鏄細
1
銆佷笌鍓嶇锛堟眹鑱氬眰锛変氦鎹㈡満鐢ㄧ綉绾跨浉杩烇紝
杞寲
鎴愬厜
淇″彿锛岀敤鍗曟牴鍏夌氦涓庣敤鎴风鐨勫垎鍏夊櫒浜掕仈銆?/p>
2
銆佸疄鐜板鐢ㄦ埛绔澶?/p>
ONU
鐨勬帶鍒躲�佺鐞嗐�佹祴璺濈瓑鍔熻兘銆?/p>
3
銆?/p>
OLT
璁惧鍜?/p>
ONU
璁惧涓�鏍凤紝涔熸槸鍏夌數涓�浣撶殑璁?/p>
澶囥�?/p>
RSU
杩滅▼鐢ㄦ埛鍗曞厓
ONU (Optical Network Unit)
鍏夎妭鐐?/p>
銆?/p>
ONU
鍒嗕负鏈夋簮鍏夌綉缁滃崟鍏冨拰
鏃?/p>
婧愬厜缃戠粶
鍗曞厓銆?/p>
涓�鑸妸瑁呮湁鍖呮嫭鍏夋帴鏀舵満銆佷笂琛屽厜鍙戝皠鏈恒�佸涓?/p>
妗ユ帴
鏀惧ぇ鍣?/p>
缃戠粶鐩戞帶鐨勮澶囧彨鍋氬厜鑺傜偣銆?/p>
OSPF(Open Shortest Path First
寮�鏀惧紡鏈�鐭矾寰勪紭鍏堬級
[1]
鏄竴涓唴閮ㄧ綉鍏?
鍗忚
(Interior Gateway Protocol
锛岀畝绉?/p>
IGP
锛夛紝鐢ㄤ簬鍦ㄥ崟涓�鑷不绯荤粺
锛?/p>
autonomous system,AS
锛夊唴鍐崇瓥璺敱銆備笌
RIP
鐩告瘮锛?/p>
OSPF
鏄摼璺姸鎬?/p>
璺敱
鍗忚
锛岃�?/p>
RIP
鏄窛绂荤煝閲忚矾鐢卞崗璁�?/p>
OSPF
鐨勫崗璁鐞嗚窛绂伙紙
AD
锛夋槸
110
銆?/p>
鍏夌氦鍒嗚矾鍣?/p>
锛氫笌鍚岃酱鐢电紗浼犺緭绯荤粺涓�鏍凤紝鍏夌綉缁滅郴缁熶篃闇�瑕佸皢鍏変俊鍙疯繘琛岃�﹀悎銆佸垎鏀�?
鍒嗛厤锛岃繖灏遍渶瑕佸厜鍒嗚矾鍣ㄦ潵瀹炵幇銆傚厜鍒嗚矾鍣ㄥ張绉板垎鍏夊櫒锛屾槸鍏夌氦閾捐矾涓渶閲嶈鐨勬棤婧?/p>
鍣ㄤ欢涔嬩竴锛屾槸鍏锋湁澶氫釜杈撳叆绔拰澶氫釜杈撳嚭绔殑鍏夌氦姹囨帴鍣ㄤ欢锛屽父鐢?/p>
M脳N
鏉ヨ〃绀轰竴涓?/p>
鍒嗚矾鍣ㄦ湁
M
涓緭鍏ョ鍜?/p>
N
涓緭鍑虹銆傚湪鍏夌氦
CATV
绯荤粺涓娇鐢ㄧ殑鍏夊垎璺櫒涓�鑸兘鏄?/p>
1脳2銆?脳3
浠ュ強鐢卞畠浠粍鎴愮殑
1脳N
鍏夊垎璺櫒銆備綔鐢ㄤ笌璺敱鍣ㄥ樊涓嶅銆?/p>
ODF
鍏夌氦閰嶇嚎鏋?/p>
.
鍦ㄩ�氫俊宸ョ▼閲岃捣鍒颁竴涓浆鎺ョ殑浣滅敤
,
閫氳繃璺崇嚎杩炴帴涓婅
.
涓嬭鐨?/p>
.
锛?/p>
Digital Cross Connect ) DXC
锛屾暟瀛椾氦鍙夎繛鎺ヨ澶?/p>
,
鏄幇浠ｉ�氫俊缃戠粶涓渶閲嶈
鐨勮澶囦箣涓�锛屽畠鏄竴绉嶅叿鏈変竴涓垨澶氫釜
PDH
鎴?/p>
SDH
淇″彿绔彛锛屽苟鑷冲皯鍙互瀵逛换浣曠
鍙ｄ箣闂存帴鍙ｉ�熺巼淇″彿杩涜鍙帶杩炴帴鍜屽啀杩炴帴鐨勮澶囥�傛暟瀛椾氦鍙夎繛鎺ヨ澶囧父鐢?/p>
DXC m/n
琛ㄧず锛?/p>
m
锛?/p>
n
涓鸿嚜鐒舵暟锛岃〃绀烘暟鎹�熺巼绛夌骇銆?/p>
m
琛ㄧず绔彛閫熺巼鐨勬渶楂樼瓑绾э紱
n
琛ㄧず浜?/p>
鍙夎繛鎺ョ煩闃典腑杩涜浜ゅ弶杩炴帴鍜屾暟鎹祦鏁版嵁鐨勬渶浣庣瓑绾э紱鏁板瓧
0
琛ㄧず
64Kbps
锛涙暟瀛?/p>
1
锛?/p>
2
锛?/p>
3
锛?/p>
4
鍒嗗埆琛ㄧず
PDH
涓?/p>
1-4
娆＄兢鐨勯�熺巼锛涙暟瀛?/p>
4
杩樿〃绀?/p>
SDH
涓?/p>
STM-1
绛夌骇锛屾暟
瀛?/p>
5
琛ㄧず
STM-4
锛屾暟瀛?/p>
6
琛ㄧず
STM-16
銆備緥濡傦細
DXC 1/0
琛ㄧず绔彛鏁伴�熺巼涓?/p>
2.048Mbps
锛涗氦鍙夎繛鎺ラ�熺巼涓?/p>
64K