Untuk apa port, transceiver, patch cord ini? Bagaimana cara menghadapi semua ini? Dan secara umum, apakah perlu atau lebih mudah dilakukan dengan "sarana improvisasi" seperti "RJ45 yang terkompresi dengan baik"?
Alih-alih kata pengantar
SFP ! — : « , « ». 1GBE 10GBE ? 10 Gigabit !»
, ? 6 Gigabit Ethernet ( , ) 6 10 Gigabit Ethernet . !
, 100 ( ). 100 , .
, 20 . , 10 Uplink.
: 3 24 Uplink 10 Gigabit Ethernet, 10 Uplink .
10GBE. .
. , , — 100, , , , — , 550 . ?
- . :
, , Uplink 10 Gigabit Ethernet .
— — Uplink 550 , « ».
Uplink 550 .
. , 10 Gigabit Ethernet .
, ?
«». « » ( , ) Uplink 40GBE 100GBE. , Uplink Downlink (Downlink — ) , …
: ? - , ? ? ? , , , ?
, () .
, SFP. , , , SFP+ XFP. .
1. 28- 10GbE L2+ — Zyxel XS3800-28, SFP+.
. . , . , : Cisco, . , , .
, . , .
, SFP (Small Form-factor Pluggable) 1U 19 , . 48 2 Uplink. SFP .
2. L3 Zyxel XGS4600-52F 48 Gigabit Ethernet SFP, Uplink 10 Gigabit Ethernet SFP+
SFP :
- Fast Ethernet (100 Mb/s);
- Gigabit Ethernet (1 Gb/s);
- SDH (155 Mbps, 622 Mbps, 1.25 Gbps, 2,488 Gbps);
- Fibre Channel (1, 2, 4, 8 Gbps).
3. Zyxel SFP10G-SR SFP Plus 10 Gigabit Ethernet
4. 10GbE Fiber FTLX1412D3BCL
, , , Ethernet Fibre Channel . , , « ».
SFP
SFP . LC .
, , SFP WDM, , RJ45, .
SFP :
- 550 — ;
- 20, 40, 80, 120, 150 .
SFP (RX) (TX).
, : (MM) (SM).
, . SFP : .
: WDM, CWDM DWDM.
SFP 850 (, ).
. (TX1\<—>RX2, RX1\<—>TX2).
( ), , , , .
, ( 550).
SFP 1310, 1550. . SFP 120.
. .
SFP WDM — Wavelength Division Multiplexing ( ). ( WDM Bi‑Directional, Bi‑Di) . : 1310 1550.
1550 1310.
: , 1310 1550.
240, , , .
. SFP WDM SC .
SFP CWDM — Coarse WDM — «» WDM — WDM . SFPCWDM , , , 1270 1610:
2 1270 1290;
16 (1310 — 1610 20).
, 2 . , 16 , . «» , , «» . .
, 10 Direct Attached Cable (DAC) SFP+, 10GBASE 10G Ethernet, 8/10G Fibre Channel. , , , .
5. DAC10G-3M Direct Attach
SFP SFP+
SFP , — . 10 Gigabit. , SFP+
— SFP+ SFP . SFP+, SFP, — , .
. ( , Zyxel ) . , .
XFP
XFP XFP MSA (Multi Source Agreement). 10G .
: 850, 1310 1550, XFP :
- 10 Gigabit Ethernet;
- 10G Fibre Channel;
- (SONET) OC 192;
- STM 64;
- 10G (OTN) OTU 2;
- .
. SFP+ — . — , , SFP . , . ( , SFP+) — XFP.
XFP SFP+
, , .
, XFP‑10G-SR SFP‑10G-SR — LC , LC .
— (, . .) .
.
, . , . .
, (, ), .
10- Ethernet:
10
SFP SFP+. .
SFP (SFP+) ?
SFP (SFP+) ? 2.0
CWDM —