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PCI-Bypass Copper(RJ-45 type)
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Bypass Adapter ¶õ ¹«¾ùÀΰ¡ ?

´ÙÀ½°ú °°Àº ¿¹·Î Bypass Adapter ÀÇ °³³äÀ» ½±°Ô ¼³¸í ÇÒ ¼ö ÀÖÀ» °Í °°´Ù .
ÇÑ È¸»çÀÇ ³×Æ®¿öÅ©ÀÇ °ü¹® ¿ªÇÒÀ» ÇÏ´Â Gateway System ¿¡ Àå¾Ö°¡ ¹ß»ýÇÏ ¿´´Ù .
¸¹Àº ¹®Á¦°¡ ¹ß»ýÇÒ °ÍÀÔ´Ï´Ù . ¸ÞÀϼ­ºñ½º ,WEB ¼­ºñ½º°¡ ¾È µÈ´Ù´Â ÀüÈ­°¡ »ç¹æ¿¡¼­ ¿Ã °ÍÀÌ°í ´ã´çÀÚ´Â ¿øÀÎÀÌ ¹«¾ùÀÎÁö È®ÀÎÀÛ¾÷¿¡ ¹Ù»Ü °ÍÀÔ´Ï ´Ù .

¸¸¾à Gateway system ÀÌ ÀÌÁßÈ­ µÇ¾î ÀÖ´Ù¸é ´ÙÇàÀÌ°ÚÁö¸¸ ´ëºÎºÐÀÇ ±â¾÷ÀÌ Gateway system À» ÀÌÁßÈ­ ÇÒ ¼ö´Â ¾ø°í ¼³»ç ÀÌÁßÈ­ ÇÑ´Ù°í ÇÏ¿©µµ ÃÖÈĸ¦ À§ÇÑ ´ëºñ´Â ÀÌ·ç¾î Á®¾ß ÇÕ´Ï´Ù .

ÀÌ »óȲ¿¡ ´ëÇÑ ÇØ°áÃ¥ÀÌ Bypass adapter ÀÔ´Ï´Ù . ³×Æ®¿öÅ©Àåºñ¿¡ Àå¾Ö »óȲÀÌ ¹ß»ýÇϸé Bypass ±â´ÉÀÇ ÀÛµ¿À¸·Î ±âÁ¸ÀÇNetwork Path¸¦ ´ë½ÅÇÏ´Â path °¡ »ý¼ºµÇ¾î Áß´Ü ¾øÀÌ networkingÀÌ °¡´ÉÇϵµ·Ï ÇÕ´Ï´Ù.


Normal mode¿¡¼­´Â PacketÀÌ µé¾î¿À´Â port¿Í ³ª°¡´Â port´Â µ¶¸³ÀûÀÎ »óÅ¿¡¼­ packetÀ» ó¸®ÇÏ´Ù°¡ Àå¾Ö»óŸ¦ °¨ÁöÇÏ¸é µÎ °³ÀÇ port»çÀÌ¿¡´Â ÀÚµ¿ ÀûÀ¸·Î »õ·Î¿î ¹°¸®ÀûÀÎ ¿¬°áÀÌ ±¸¼ºÀÌ µÇ¾î ÀÔ·ÂµÈ ¸ðµç packetÀº ±×´ë·Î ´Ù¸¥ port·Î Àü´ÞÀÌ µÇ¾î networkÀÇ °¡¿ë¼ºÀ» ±Ø´ëÈ­ ÇÕ´Ï´Ù.


Niagara Bypass Adapter ¼Ò°³

Niagara bypass adapter ´Â µÎ °³ÀÇ µ¶¸³ÀûÀÎ gigabit port ¸¦ °®°í ÀÖ´Â 64-bit/133Mhz PCI-X network interface ±â¹ÝÀÇ card ÀÔ´Ï´Ù . PXG4BP / PXG2BP/ PGX4BPI/PXG2BPI ´Â copper , PXG2BPF / PXG2BPF-LX / PXG4BPFI / PXG4BPFI-LX ´Â Optical interface ·Î Á¦ÀÛÀÌ µÇ¾úÀ¸¸ç ³×Æ®¿öÅ©ÀÇ ÃÖ´ë °¡¿ë ½Ã°£À» Á¦°øÇϱâ À§ÇØ bypass ȸ·Î¸¦ Æ÷ÇÔÇÏ°í ÀÖ½À´Ï´Ù .


Software ¿ä±¸³ª system ÀÇ Àå¾Ö·Î Ethernet port ¸¦ bypass ÇÒ °Í ÀÔ´Ï´Ù . Bypass mode ¿¡¼­ Ethernet network port ÀÇ ¿¬°áÀº interface ·Î ºÎÅÍ ºÐ¸®µÇ°í Ethernet port »çÀÌ¿¡ ÆмèÀûÀÎ loop-back ¿¬°áÀ» »ý¼ºÇϱâ À§ÇØ ´Ù¸¥ port ·Î switch over µÈ´Ù . µû¶ó¼­ bypass mode ¿¡¼­ ÇϳªÀÇ port ·ÎºÎÅÍ ¹Þ¾Æµé¿©Áø ¸ðµç packet Àº ´Ù¸¥ ³ª¸ÓÁö port ·Î Àü´ÞµÈ´Ù . ÀÌ ±â´ÉÀº ½Ã½ºÅÛ¿¡ Àå¾Ö³ª ³×Æ®¿öÅ©ÀÇ ÃÖ´ë °¡¿ë¼ºÀ» Á¦°øÇÏ´Â °ÍÀ» °¡´ÉÄÉ ÇÑ´Ù .


System Àå¾Ö ( power-off °°Àº ), system hang °ú software application hang ÀÌ ¹ß»ýÇÒ °æ¿ì board »óÀÇ controller ´Â Ethernet port ¸¦ Bypass ÇÑ´Ù . software ÀûÀ¸·Î program ÀÌ °¡´ÉÇÑ Watch Dog Timer(WDT) ¸¦ °®°í ÀÖ´Ù . ÀÌ°ÍÀº ½Ã½ºÅÛÀÇ Àå¾Ö¸¦ °¨ÁöÇÏ°í program µÈ time out °ªÀÌ Áö³­ ÈÄ¿¡ Ethernet port ´Â ÀÚµ¿ÀûÀ¸·Î bypass ÇÏ°Ô µÈ´Ù . WDT ´Â software ÀûÀ¸·Î »ç¿ë°ú ºñ»ç¿ëÀÌ °¡´ÉÇÏ´Ù .


Software program À» ÅëÇØ bypass / normal mode ¸¦ ¼±ÅÃÇÒ ¼ö ÀÖÀ¸¸ç adapter ÀÇ port ´Â µ¶¸³ÀûÀÎ ¿î¿µ»óÅ·Π³²¾Æ ÀÖÀ» ¼öµµ ÀÖ½À´Ï´Ù . Disable Bypass Capability ±â´ÉÀ» Áö¿øÇÏ´Â °æ¿ì ÀÌ Disable Bypass Capability ¸í·ÉÀº adapter °¡ bypass mode ·Î µ¿ÀÛÇÏÁö ¾Ê°Ô Çϸç ÀϹÝÀûÀÎ NIC adapter ó·³ µ¿ÀÛÀ» ÇÕ´Ï´Ù . ¶ÇÇÑ power-off »óÅ¿¡¼­µµ ¼³Á¤°ªÀº ³²¾Æ ÀÖ½À´Ï´Ù .


TCP/UDP/IP checksum offload ¿Í TCP segmentation À» ¼öÇàÇÏ´Â hardware acceleration À» °®°í ÀÖ´Ù . host processing offload accelerator ´Â application processing À» À§ÇØ host ÀÇ CPU ¸¦ Á»´õ ÀÚÀ¯·Ó°Ô ÇÑ´Ù .



Bypass Adapter ÀÇ Æ¯Â¡

Power Àå¾Ö , system hang, software application hang °°Àº °æ¿ì¿¡ Ethernet port ¸¦ bypass ÇÕ´Ï´Ù .
Bypass mode ¿Í normal mode ¿¡ ´ëÇÑ software ÀûÀÎ program ÀÌ °¡´ÉÇÏ´Ù
Watch dog Timer(WDT) controller °¡ board ¿¡ ÀåÂøµÊ Time out ¿¡ ´ëÇÑ interval À» software ÀûÀ¸·Î ÇÁ·Î±×·¥ ÇÒ ¼ö ÀÖ½À´Ï´Ù .
WDT È°¼º / ºñÈ°¼º counter ¸¦ software ÀûÀ¸·Î ÇÁ·Î±×·¥ ÀÌ °¡´ÉÇÏ´Ù Host system Àå¾Ö , Power off, software ¿¡ ÀÇÇØ ³»ÀåµÈ Bypass ȸ·Î°¡ ÀÛµ¿ ÇÑ´Ù .
1Gbps full duplex ¿Í 100 / 10 Mbps ¼Óµµ¿Í Simplex / Full Duplex »çÀÌ¿¡¼­ Nway ÀÚµ¿negotiation À» ÅëÇØ ÀÚµ¿À¸·Î °¨Áö ¹× switching ÇÕ´Ï´Ù .
Host Interface standard support:
¡¤        PCI v2.2 32/64 bit, 33/66Mhz
¡¤        PCI-X v1.0 32/64-bit, 66/100/133MHz °í¼º´É , °í½Å·Ú¼º°ú Àú Àú·Â ¼ÒºñÇÏ´Â MAC + PHY
SERDES °¡ ³»ÀåµÈ Broadcom 5704 dual controller ¸¦ »ç¿ëÇÕ´Ï´Ù .
CPU »ç¿ë·üÀ» ³·Ã߸ç PCI-X Á¤Ã¼¸¦ ÇÇÇϱâ À§ÇØ Ã¤³Î¸¶´Ù 64kb ÀÇ packet buffer ¸¦ Á¦°øÇÕ´Ï´Ù .
advanced packet classification À» À§ÇØ Ã¤³Î¸¶´Ù Dual high speed RISC processor ¸¦ »ç¿ëÇÕ´Ï´Ù . Hardware °¡¼ÓÀº host processor ·ÎºÎÅÍ offload task ¸¦ ÇÒ ¼ö ÀÖ½À´Ï´Ù .
Controller ´Â TCP/UDP/IP checksum °è»ê°ú TCP segmentation À» host cpu ¿¡ ÀÇÁ¸ÇÏÁö ¾Ê°í ¼öÇà ÇÒ ¼ö ÀÖ½À´Ï´Ù .
Link Aggregation and Load Balancing:
¡¤       Switch dependent: 802.3ad (LACP), Generic Trunking ( GEC / FEC)
¡¤       Switch and NIC Independent.
¡¤       Failover
Priority queuing ? 802.1p layer 2 priority encoding.
Jumbo Frame (9KB).
802.x flow control.
Boot ROM embedded or optional can be used for Boot ROM applications.
PCI Hot Plug. (IBM, Compaq, Dell, and Microsoft)
SNMP MIB II, Ethernet like MIB, and Ethernet MIB (802.3z, Clause 30) À» À§ÇÑ Åë°è


CASE

IPS Àåºñ¿¡ ±âÁ¸ FOD (fail over Device) ´ë¿ëÀ¸·Î Àåºñ ³»ºÎ¿¡ Ethernet adapter ·Î žÀç
Spam-mail Àåºñ¿¡ Àå¾Ö ´ëºñ±â´ÉÀÌ Ãß°¡µÈ Ethernet Adapter ·Î žÀçµÊ . ÀÌÁßÈ­ ¸ðµâÀ» »ç¿ëÇÏ¿© ÀÌÁßÈ­ ±¸¼º
IP-wall Àåºñ ³»ºÎ¿¡ ÀåÂøÇÏ¿© Àå¾Ö ´ëºñ ±â´É ±¸Çö


±â´ë È¿°ú

°í°¡ÀÇ FOD Àåºñ¸¦ ´ë½ÅÇÏ¿© »ý»ê ¿ø°¡ Àý°¨¿¡ ÅëÇÑ ¿µ¾÷Àû °æÀï·Â Á¦°ø
±âÁ¸ÀÇ Fast-Ethernet Level ¿¡¼­ Á¦°øµÇ´ø Bypass ±â´ÉÀ» Gigabit Level ¿¡¼­ ±¸ÇöÇÏ¿© Network performance Çâ»ó
Àåºñ ³»ºÎ¿¡ ÀåÂøÇÏ¿© ÀåºñÀÇ outline ÀÇ ¼ÒÇüÈ­ ¹× Ÿ»ç Á¦Ç°¿¡ ºñÇØ ±â´ÉÀûÀÎ °æÀï·ÂÀ» °®´Â´Ù .



³»ºÎ ±¸Á¶ ¹× µ¿ÀÛ ¿ø¸®

±×¸² [2] ´Â bypass adapter ÀÇ bypass module À» °£·«ÇÏ°Ô Ç¥ÇöÇÑ °ÍÀÔ´Ï´Ù .


BP_SW1-1 °ú BP_SW1-2 ¿¡ ÀÇÇؼ­ Bypass °æ·Î¸¦ »ç¿ë ÇÒ Áö ¾Æ´Ï¸é ÀÏ¹Ý standard NIC ¿Í °°Àº °æ·Î¸¦ »ç¿ë ÇÒ Áö¸¦ ¼±Åà ÇÒ ¼ö ÀÖ´Ù . DIS_BP_SW ´Â Bypass ±â´ÉÀÇ ÀÛµ¿ ¿©ºÎ¸¦ °áÁ¤ ÇÒ ¼ö ÀÖ´Ù .


ÀϹÝÀûÀΠȯ°æ¿¡¼­´Â BP_SW1-1 °ú 1-2 ¸¦ off »óÅ (Normal Mode) ·Î ¼³Á¤À» ÇÏ°í »ç¿ëÇÏ´Ù°¡ Àå¾Ö¿ä¼Ò¿¡ ÀÇÇØ network ÀÇ µ¿ÀÛÀÌ ¿Ã¹Ù¸£Áö ¾ÊÀ» °æ¿ì BP_SW1-1°ú 1-2´Â ÀÚµ¿À¸·Î on»óÅ·ΠswitchingµÇ¾î Bypass Mode·Î Gigabit Ethernet AdapterÀÇ »óŸ¦ º¯°æÇÕ´Ï´Ù.


À̶§ DIS_BP_SW ¿¡ µû¶ó Bypass ÀÇ ±â´ÉÀÌ ¿©ºÎ°¡ °áÁ¤ÀÌ µË´Ï´Ù . ÀÌ ±â´ÉÀº Power-off »óÅ¿¡¼­ bypass ±â´ÉÀÇ »ç¿ë¿©ºÎ °áÁ¤ ÇÒ ¶§ »ç¿ëµË´Ï´Ù.


Bypass ¸¦ °áÁ¤ÇÏ´Â °ÍÀº Board »ó¿¡ ÀåÂøµÈ Watch Dog Timer ¿¡ ÀÇÇØ °áÁ¤ÀÌ µË´Ï´Ù . Watch Dog Timer ´Â ÀÏÁ¾ÀÇ Timer ·Î¼­ Á¤ÇØÁø ½Ã°£¿¡ reset ½ÅÈ£°¡ µµÂø ÇÏÁö ¾ÊÀ» °æ¿ì Àå¾Ö·Î ÆÇ´ÜÇÏ¿© switching À» ¼öÇàÇÏ¿© Bypass mode ·Î µ¿ÀÛÇÏ°Ô ÇÕ´Ï´Ù .


ÀÌ¿Í °°Àº °£´ÜÇϸ鼭µµ Hardware ÀûÀ¸·Î ¿Ïº®È÷ µ¶¸³ÀûÀÎ Àå¾Ö ÆÇ´Ü ¸ðµâÀº ¾î¶°ÇÑ delay ¿ä¼Òµµ ¾øÀÌ Á¤È®ÇÑ Àå¾ÖÆÇ´Ü°ú bypass ¸¦ Áö¿øÇÕ´Ï´Ù .






Technical Specifications:

 
BXG2BP BXG4BP BXG2BPI BXG4BPI
Interface Standard: PCI v2.2 32/64 bit, 33/66Mhz PCI-X v1.0 32/64-bit, 66/100/133MHz
Board Size: PCI add in Card 64.41 mm x 167.64mm (2.5 ¡± x6.6 ¡± ) PCI add in Card 106.68 mm x 167.64mm (4.2 ¡± x6.6 ¡± ) PCI add in Card 64.41 mm x 167.64mm (2.5 ¡± x6.6 ¡± ) PCI add in Card 106.68 mm x 167.64mm (4.2 ¡± x6.6 ¡± )
PCI Card Type: Universal 64 bit Card +3.3V Interface 64 bit Card Universal 64 bit Card
PCI Voltage: +5V (Min 4.75V, Max, 5.25V) +12V (Min 11.4V, Max, 12.6V) +3.3V (Min 3.0V, Max, 3.6V)
PCI Connector: Universal 64 bit +3.3V Interface 64 bit Universal 64 bit
Holder: Metal Bracket
Weight: PXG2BP ±âÁØ : 100 gram (3.53 oz)
Power Consumption: - PXG2BP ±âÁØ
  1.7A at 5V: Typical all ports operate at 1000Mbit/s.
  0.9A at 5V: Typical all ports operate at 100Mbit/s.
  0.8A at 5V: Typical all ports operate at 10Mbit/s.
  0.8A at 5V: Typical No link at all ports.
Operating Humidity: 0% ~ 90%, non-condensing
Operating Temperature: 0 ¡Æ C ~ 50 ¡Æ C (32 ¡Æ F ~ 122 ¡Æ F)
Storage Temperature: -20 ¡Æ C ~ 65 ¡Æ C (-4 ¡Æ F ~ 149 ¡Æ F)


EMC Certifications: - PXG2BP / PXG2BPI ±âÁØ
FCC Part 15, Subpart B Class B Conducted Emissions Radiated Emissions
CE EN 55022: 1998 Class B Conducted Emissions Radiated Emissions
CE EN 55024: 1998 Immunity for ITE Amendment A1: 2001
CE EN 61000-3-2 2000 Harmonic Current Emissions
CE EN 61000 3-3 Voltage Fluctuations and Flicker
CE IEC 6100-4-2: 1995 ESD Air Discharge 8kV. Contact Discharge 4kV.
CE IEC 6100-4-3:1995 Radiated Immunity (80-1000Mhz), 3V/m 80% A.M. by 1kHz
CE IEC 6100-4-4:1995 EFT/B: Immunity to electrical fast transients 1kV Power Leads, 0.5Kv Signals Leads
CE IEC 6100-4-5:1995 Immunity to conductive surges COM Mode; 2kV, Dif. Mode 1kV
CE IEC 6100-4-6:1996 Conducted immunity (0.15-80 MHz) 3VRMS 80% A.M. By 1kHz
CE IEC 6100-4-11:1994 Voltage Dips and short Interruptions V reduc > 95% , 30%>95% Duration 0.per,25per,250per


Bypass Specifications

WDT Interval (Software Programmable): 64,000 mSec (64 Sec): Maximum 500 mSec (0.5 Sec): Minimum Step 500 mS (0.5 Sec) WDT timeout interval = wdt_timeout_parameter *mSec. wdt_timeout_parameter : {Valid range: 500- 64,000} 3,276,800 mSec (3,276.8 Sec): Maximum 100 mSec ( 0.1 Sec) : Minimum WDT Interval = (2^ wdt_interval_parameter)*( 0.1) sec. wdt_interval_parameter : { Valid Range: 0-15}


IEEE Standard / Network topology: Gigabit Ethernet, 1000Base-T Fast Ethernet, 100Base-TX Ethernet, 10Base-T
Simplex / Full duplex operation:   Support both Simplex & Full duplex operation in all operating speeds
Auto negotiation: Auto-negotiation between Full duplex and simplex operations and between 10Mb/s 100Mb/s speeds and duplex 1000Mb/s.
Data Transfer Rate: 100 and 10 Mbits/sec in simplex mode per port
2000Mbit/s 200 and 20 Mbit/s in full duplex mode per port
Cables and Operating distance: 10Base-T Category 3, 4, or 5 maximum 50m *
100Base-Tx Category 5 maximum 50m *
1000Base-T Category 5E maximum 50m *
Controller chip vendor Broadcom Intel


LED and Connector Specifications

LEDs: 3 LEDs per port
  Activity: ACT LED Blinks on Activity on any Link speed
1000Mbit/s Link: 1000 LED is on 1000Mbit/s Link
100Mbits/s Link: 100 LED is on 100Mbit/s Link
10Mbit/s Link: 1000 LED and 100 LED are on in 10Mbit/s Link
LEDs location LEDs are located on the PCB, visible via holes in the metal bracket holder
Connectors: 2 Shielded RJ-45 4 Shielded RJ-45 2 Shielded RJ-45 4 Shielded RJ-45


Software support:

Operating system support: Windows 2003
Windows 2000
Linux
FreeBSD
Linux 2.4.x / 2.6.x
FreeBSD 2.4.7 / 2.4.9
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