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Model
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BD-S21S8-2G
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Fixed port
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2*10/100/1000Base-TX RJ45 port (Data)
9*1000M SFP
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Console port
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1*console port
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Reset Key
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1
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Network Protocol
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IEEE 802.3
IEEE 802.3u 100BASE-TX
IEEE 802.3ab1000BASE-T
IEEE 802.3x
IEEE 802.3z 1000BASE-X
IEEE 802.3ad
IEEE 802.3q 、IEEE 802.3q/p
IEEE 802.1w、IEEE 802.1d 、IEEE 802.1S
STP(Spanning Tree Protocol)
RSTP/MSTP( Rapid Spanning Tree Protocol)
EPPS ring network protocol
EAPS ring network protocol
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Port Specification
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10/100/1000BaseT（X）Auto
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Transmission Mode
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Store and Forward(full wirespeed)
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Bandwidth
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56/128Gbps
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Packet Forwarding
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40.32Mpps
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MAC Address
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8K
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Buffer
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4.1M
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Transmission Distance
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10BASE-T ： Cat3,4,5 UTP(≤250 meter)
100BASE-TX ： Cat5 or later UTP(≤100 meter)
1000BASE-TX ： Cat6 or later UTP(≤1000 meter)
1000BASE-SX:62.5μm/50μm
MMF(2m~550m)
1000BASE-LX:62.5μm/50μm
MM(2m~550m) or 10μm SMF(2m~5000m)
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FLASH
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16M
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RAM
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128M
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Network management
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Supporting WEB management
Support Telnet/TFTP/Console management
Support SNMP v1/v2/v3 management
Support RMON management
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Watt
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≤15W
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LED Indicator
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PWR:Power LED
3~11:(SFP LED）
Port:(Green=10/100M LED+Orange=1000M LED)
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Power
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External power DC 12V 2.5A
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Operating Temperature/Humidity
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-20～+55°C；5%～90% RH No coagulation
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Storage Temperature/Humidity
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-40～+75°C；5%～95% RH No coagulation
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Product size/Packing size（L*W*H）
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245mm*110mm*40mm
300mm*205mm*55mm
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N.W/G.W（kg）
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0.7kg/1kg
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Installation
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Desktop（optional machine hanger parts）
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Lightning protection level
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3KV 8/20us；
IP30
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Certificate
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CE mark, commercial；CE/LVD EN60950；
FCC Part 15 Class B；RoHS；
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Warranty
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Whole device for 1 year(Accessories
not included)
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