Nkọwa
HDV's SFP24- (G) T Copper Small Form Pluggable (SFP) transceivers dị elu arụmọrụ, ọnụ ahịa modul kwekọrọ na Gigabit Ethernet na 1000- BASE-T ụkpụrụ dị ka akọwapụtara na IEEE 802. 3-2002 na IEEE 802.3ab, nke na-akwado 1000Mbps data- ọnụego ruru 100 mita na-erute n'elu eriri 5 agbagọ agbagọ na-enweghị mkpuchi. Modul ahụ na-akwado 1000 Mbps zuru ezu data-njikọ nwere akara Pulse Amplitude Modulation (PAM) ọkwa 5. A na-eji ụzọ anọ niile dị na eriri nwere ọnụọgụ akara na 250Mbps na ụzọ ọ bụla. Modul ahụ na-enye ozi ID ọkọlọtọ ọkọlọtọ dabara na SFP MSA, nke enwere ike ịnweta adreesị A0h site na 2wire serial CMOS EEPROM protocol. Enwere ike ịnweta IC anụ ahụ site na bọs serial 2wire na adreesị A0h.
Nkọwa Pin
Ihe osise pin
ndetu:
1. Nkwenye elekere bụ +/- 50 ppm
2. Site na ndabara, ROCS12-(G) T bụ ngwaọrụ duplex zuru oke na ọnọdụ nna ukwu masịrị
3. A na-eme nchọpụta crossover akpaaka. Achọghị eriri crossover mpụga
4. Ọrụ 1000 BASE-T chọrọ sistemụ nnabata ka ọ nwee interface SGMII na-enweghị clocks, yana modul PHY ga-ahazi kwa ngwa Note AN-2036. Site na SERDES nke na-akwadoghị SGMII, modul ga-arụ ọrụ na 1000BASE-T naanị.
Nkọwapụta gburugburu ebe obibi
Tebụl6. Nkọwapụta gburugburu ebe obibi
| gburugburu ebe obibi Nkọwapụta | ||||||
| Oke | Akara | Min | Ụdị | Oke | Nkeji | Ihe ndetu/ Ọnọdụ |
| Okpomọkụ na-arụ ọrụ | N'elu | 0 |
| 70 | Celsius C | Ọnọdụ okpomọkụ |
| Okpomọkụ nchekwa | Tsto | -40 |
| 85 | Celsius C | Ọnọdụ okpomọkụ |
Ntụaka
1. Gigabit Interface Ntụgharị (SFP) Transceiver Multi-Source Agreement (MSA),
2. IEEE Std 802.3, Mbipụta 2002. Ngalaba ụkpụrụ IEEE, 2002.
3. "AT24C01A/02/04/08/16 2-Wire Serial CMOS E2PROM", Ụlọ ọrụ Atmel.
4. "Alaska Ultra 88E1111 Integrated 10/100/1000 Gigabit Ethernet Transceiver",Marvell Corporation.
Nkọwa maka igwe
Akụkụ ndị ọbịa nke SFP24-(G)T kwekọrọ na nkọwapụta igwe arụpụtara na SFP MSA1. Akụkụ ihu nke SFP (akụkụ na-agbatị n'ofe ihu nke onye ọbịa) buru ibu iji nabata njikọ RJ-45.
Ntụaka
1. Obere Ụdị Ihe Pluggable (SFP) Transceiver Multi-Source Agreement (MSA),
2. IEEE Std 802.3, Mbipụta 2002. Ngalaba ụkpụrụ IEEE, 2002.
3. "AT24C01A/02/04/08/16 2-Wire Serial CMOS E2PROM", Ụlọ ọrụ Atmel.
Ozi ịtụ
| Nọmba akụkụ | Ọnọdụ okpomọkụ na-arụ ọrụ |
| SFP24-GT | 10/100/1000Mbps, SGMII interface, ọla kọpa SFP na mmiri latch |
| SFP24-T | 1000Mbps naanị, SERDES interface, ọla kọpa SFP nwere latch mmiri |
Kpọtụrụ
Tel:+86-755-86000116 E-mail:ahịa @hdv-tech.comWeebụ:www.hdv-teknụzụ.com
Nkọwa Pin
| Ntụtụ | Aha mgbaàmà | Nkọwa | nkwụnye Seq. | Ihe ndetu |
| 1 | VEET | Ala nnyefe | 1 | |
| 2 | Ụjọ TX | Ngosipụta mmejọ nke nnyefe | 3 | Rịba ama1 |
| 3 | TX Gbanyụọ | Gbanyụọ nnyefe | 3 | Rịba ama2 |
| 4 | MOD_DEF(2) | Ihe mgbaàmà SDA Serial Data | 3 | Rịba ama3 |
| 5 | MOD_DEF(1) | Mgbama Oghere Usoro elekere SCL | 3 | Rịba ama3 |
| 6 | MOD_DEF(0) | TTL dị ala | 3 | Rịba ama3 |
| 7 | Họrọ Họrọ | Ejikọtaghị ya | 3 | |
| 8 | LOS | Ọnwụ nke mgbaàmà | 3 | Rịba ama 4 |
| 9 | VEER | Ala nnata | 1 | |
| 10 | VEER | Ala nnata | 1 | |
| 11 | VEER | Ala nnata | 1 | |
| 12 | RX- | Inv. Enwetara data | 3 | Rịba ama 5 |
| 13 | RX+ | Enwetara data | 3 | Rịba ama 5 |
| 14 | VEER | Ala nnata | 1 | |
| 15 | VCCR | Nkwanye ike nnata | 2 | |
| 16 | VCCT | Nnyefe Ike | 2 | |
| 17 | VEET | Ala nnyefe | 1 | |
| 18 | TX+ | Nyefee data n'ime | 3 | Rịba ama 6 |
| 19 | TX- | Inv. Nyefee data n'ime | 3 | Rịba ama 6 |
| 20 | VEET | Ala nnyefe | 1 |
ndetu:
Nkwụnye Seq.: Usoro ntinye aka n'oge nkwụnye ọkụ.
1) TX Fault bụ mmepụta onye nchịkọta na-emeghe, nke a ga-eji 4.7k ~ 10kΩ resistor na bọọdụ nnabata gaa na voltaji n'etiti 2.0V na Vcc + 0.3V. Logic 0 na-egosi ọrụ nkịtị; mgbagha 1 na-egosi mmejọ laser nke ụdị ụfọdụ. N'ọnọdụ dị ala, a ga-adọta mmepụta na ihe na-erughị 0.8V.
2) TX Disable bụ ntinye a na-eji mechie mmepụta ngwa anya transmitter. A na-ebuli ya n'ime modul na ihe mgbochi 4.7¨C 10K. Ọnọdụ ya bụ:
Dị ala (0 ruo 0.8V): Mgbanye ọkụ
(> 0.8, <2.0V): Enweghị nkọwa
Elu (2.0 ruo 3.465V): Agbanyụrụ nnyefe
Mepee: Agbanyụrụ ihe nnyefe
3) Mod-Def 0,1,2. Ndị a bụ atụdo nkọwa modul. Ekwesịrị iji ihe mgbochi 4.7K ruo 10K bulie ha na bọọdụ nnabata. Voltage ndọpụta ga-abụ VccT ma ọ bụ VccR
Mod-Def 0 dabere na modul iji gosi na modul dị
Mod-Def 1 bụ ahịrị elekere nke interface serial waya abụọ maka ID serial
Mod-Def 2 bụ ahịrị data nke interface serial waya abụọ maka Oghere Usoro NJ
4) LOS (Loss of Signal) bụ ihe na-emepe emepe na-anakọta / drainage, nke a ga-eji 4.7K gaa na 10K resistor. Weghachite voltaji n'etiti 2.0V na VccT, R + 0.3V. Mgbe ọ dị elu, mmepụta a na-egosi na ike anya enwetara dị n'okpuru mmetụta nnabata nke kacha njọ (dị ka akọwapụtara n'ụkpụrụ eji). Ala dị ala na-egosi ọrụ nkịtị. N'ọnọdụ dị ala, a ga-adọta mmepụta na <0.8V.
5) RD-/+: Ndị a bụ ihe nrụpụta nnabata dị iche. Ha bụ AC jikọtara ahịrị dị iche iche 100 nke a ga-akwụsị na 100 (dị iche) na onye ọrụ SERDES.
6) TD-/+: Ndị a bụ ntinye nnyefe dị iche. Ha na-ejikọta AC, ahịrị dị iche na njedebe 100 dị iche iche n'ime modul.
+3.3Igwe ọkụ eletrik V Volt
SFP24-(G)T nwere oke ntinye voltaji nke +5V +/- 5%. A naghị anabata oke voltaji 3.3V maka ịrụ ọrụ na-aga n'ihu.
Tebụl 1. +3.3VInterface ike volt
| +3.3Igwe ọkụ eletrik V volt | ||||||
| Oke | Akara | Min | Ụdị | Oke | Nkeji | Ihe ndetu/ Ọnọdụ |
| Nyefee ugbu a | Is | 320 | 375 | mA | 1.2W max ike karịrị oke voltaji na okpomọkụ. Lee ndetu ịkpachara anya n'okpuru | |
| Ntinye voltaji | Vcc | 3.13 | 3.3 | 3.47 | V | A na-ezo aka na GND |
| Voltaji kacha | Vmax | 4 | V | |||
| Ọganihu Ugbu a | Isurge | 30 | mA | Plọg na-ekpo ọkụ n'elu ọnọdụ ọnọdụ ugbu a. Lee ndetu ịkpachara anya n'okpuru | ||
Akpachara anya: Oriri ike na ọwa mmiri dị elu karịa ụkpụrụ akọwapụtara na SFP MSA
Mgbama Ọsọ dị ala
MOD_DEF(1) (SCL) na MOD_DEF(2) (SDA), bụ akara ngosi CMOS mepere emepe (lee ngalaba VII, "Serial Communication Protocol"). Ha abụọ MOD_DEF(1) na MOD_DEF(2) ga-ebuli elu ka ha nọrọ na nnabata_Vcc.
Tebụl 2. Ihe mgbaàmà dị ala, njirimara eletrọnịkị
| Mgbama Ọsọ dị ala, njirimara eletrọnịkị | |||||
| Oke | Akara | Min | Oke | Nkeji | Ihe ndetu/ Ọnọdụ |
| Mmepụta SFP dị ala | VOL | 0 | 0.5 | V | 4.7k ruo 10k ịdọrọ gaa host_Vcc, tụrụ n'akụkụ njikọ njikọ |
| Mbupute SFP High | VOH | onye ọbịa_Vcc - 0.5 | onye ọbịa_Vcc + 0.3 | V | 4.7k ruo 10k ịdọrọ gaa host_Vcc, tụrụ n'akụkụ njikọ njikọ |
| Ntinye SFP ala | VIL | 0 | 0.8 | V | 4.7k ruo 10k ịdọrọ ruo Vcc, tụrụ na akụkụ SFP nke njikọ |
| Ntinye SFP High | VIH | 2 | Vcc + 0.3 | V | 4.7k ruo 10k ịdọrọ ruo Vcc, tụrụ na akụkụ SFP nke njikọ |
Igwe ọkụ eletrik dị elu
Mgbama niile dị elu bụ AC jikọtara n'ime.
Isiokwu 3. Igwe ọkụ eletrik dị elu, eriri nnyefe-SFP
| Igwe ọkụ eletrik dị elu Interface Ahịrị nnyefe-SFP | ||||||
| Oke | Akara | Min | Ụdị | Oke | Nkeji | Ihe ndetu/ Ọnọdụ |
| Ugboro ahịrị | fL | 125 | MHz | Ntinye koodu ọkwa 5, kwa IEEE 802.3 | ||
| Mbupute Tx | Zout, TX | 100 | Ohm | Ọdịiche, maka ugboro niile n'etiti 1MHz na 125MHz | ||
| Ntinye ntinye Rx | Zin, RX | 100 | Ohm | Ọdịiche, maka ugboro niile n'etiti 1MHz na 125MHz | ||
Igwe ọkụ eletrik dị elu, onye ọbịa-SFP
Isiokwu 4. Igwe ọkụ eletrik dị elu, onye ọbịa-SFP
| Igwe ọkụ eletrik dị elu, onye ọbịa-SFP | ||||||
| Oke | Akara | Min | Ụdị | Oke | Nkeji | Ihe ndetu/ Ọnọdụ |
| Otu ngwungwu ntinye data | Vinsing | 250 | 1200 | mV | Otu kwụsịrị | |
| Mmalite mmepụta data otu kwụsịrị | Vouts | 350 | 800 | mV | Otu kwụsịrị | |
| Oge Bilie/Daa | Tr, Tf | 175 | psk | 20%-80% | ||
| Ntinye ntinye Tx | Zin | 50 | Ohm | Otu kwụsịrị | ||
| Mwepụta Rx | Zọpụ | 50 | Ohm | Otu kwụsịrị | ||
Nkọwapụta izugbe
Tebụl 5. Nkọwa n'ozuzu
| Izugbe | ||||||
| Oke | Akara | Min | Ụdị | Oke | Nkeji | Ihe ndetu/ Ọnọdụ |
| Ọnụego data | BR | 10 | 1,000 | Mb/sk | IEEE 802.3 dakọtara. Lee ndetu 2 ruo 4 n'okpuru | |
| Ogologo eriri USB | L | 100 | m | Nkeji 5 UTP. BER <10-12
| ||
l 1.25 Gigabit Ethernet n'elu Cat 5 USB
Ụdị ngwaahịa
Dee ozi gị ebe a ziga anyị ya