張老師與他的科技英文與科普傳播 technical English for Engineering Students
mesh router for metropolitan AP interconnectionIEEE is drafting the standard (Nortel, Tropos, Alvarion)
CATV48 VDC PoECableTree structure (no loop)Upper middle stream - FiberDown stream- coaxialHFC (Hybrid fiber coaxial)VoIPclient: NB, PDA, WiFi phoneserver: SIP Proxy (soft switch)
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mesh router for metropolitan AP interconnection
IEEE is drafting the standard (Nortel, Tropos, Alvarion)
CATV
48 VDC PoE
Cable
Tree structure (no loop)
Upper middle stream - Fiber
Down stream- coaxial
HFC (Hybrid fiber coaxial)
VoIP
client: NB, PDA, WiFi phone
server: SIP Proxy (soft switch)
張貼留言