2.5G GPON C plis plis SFP 20km
■SFP, kout pou Small Form-factor Pluggable, aka Mini-GBIC, se yon modil transceiver kontra enfòmèl ant optik ki itilize nan kominikasyon optik. Modil transceiver SFP yo fèt pou sipòte SONET/H, Fast Ethernet, Gigabit Ethernet, Fibre Channel ak lòt estanda kominikasyon. Wanglink fabrike ak founi yon seri konplè modil transceiver SFP ki ka Customized.
■Single-fibre bidirectionnelle cho-swappable SFP ak SC/UPC entèfas
■ Jiska 2.5Gbps pousantaj opere
|
Paramèt |
Inite |
Min. |
Tipik |
Max. |
|
Transmetè |
||||
|
TX Santral longèdonn |
nm |
1480 |
1490 |
1500 |
|
Lajè espektral (-20dB) |
nm |
|
|
1 |
|
Side Mode Suppression Rapò (SMSR) |
dB |
30 |
|
|
|
Mean Lanse pouvwa |
dBm |
1.5 |
|
5 |
|
Mean Launched Power (TX Off) |
dBm |
|
|
-45 |
|
Pwopòsyon disparisyon |
dB |
8.2 |
|
|
|
Optik Tolerans Pèt Retounen |
dB |
-12 |
|
|
|
Transmetè ak dispèsyon Sanksyon |
dB |
|
|
1 |
|
Mask transmetè (PRBS223-1&2.488G) |
Konfòme ak ITU-T G.984.2 |
|||
|
Reseptè |
||||
|
Resevwa longèdonn |
nm |
1290 |
1310 |
1330 |
|
Sansiblite (PRBS223-1 & 1.244G, ER=10, BER<10-10) |
dBm |
|
|
-28 |
|
Surcharge(PRBS223-1&1.244G,ER=10,BER<10-10) |
dBm |
-8 |
|
|
|
Reseptè pete mòd ranje dinamik |
dB |
15 |
|
|
|
Limit domaj pou reseptè |
dBm |
5 |
|
|
|
SD Nivo Afimasyon |
dBm |
|
|
-30 |
|
SD De-afime Nivo |
dBm |
-45 |
|
|
|
SD isterèz |
dB |
0.5 |
|
6 |
|
WDM izolasyon filtè a 1550nm |
dB |
38 |
|
|
|
WDM izolasyon filtè a 1650nm |
dB |
35 |
|
|
|
Karakteristik entèfas elektrik |
||||
|
Done Antre balanse diferans / TX |
mV |
200 |
- |
2000 |
|
Done Sòti balanse diferans / RX |
mV |
400 |
|
1600 |
|
Dat diferansyèl enpedans |
Ω |
90 |
100 |
110 |
|
LVTTL Sòti Segondè |
V |
2.4 |
|
Vcc |
|
LVTTL Sòti ki ba |
V |
0 |
|
0.4 |
|
LVTTL Antre segondè |
V |
2 |
|
Vcc plis 0.3 |
|
LVTTL Antre ki ba |
V |
0 |
|
0.8 |
|
Karakteristik distribisyon |
||||
|
Tan Gad (Tg) |
ns |
25.6 |
|
|
|
Reyajiste lajè batman (Tr) |
ns |
|
|
12.8 |
|
Reyajiste reta (Trd) |
ns |
|
|
12.8 |
|
Tan Preanbil Reseptè (Tp) |
ns |
|
|
140 |
|
SD Assert Time (TSDA) |
ns |
|
|
100 |
|
Tan De-afime SD (TSDD) |
ns |
|
|
12.8 |
|
Reta deklanche RSSI (Ttd) |
ns |
25 |
|
|
|
RSSI Trigger Puls Lajè (Tw) |
ns |
500 |
|
|
|
Reta Entèn I2C (Twait) |
nou |
|
|
500 |
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