Model

BD-S21S8-2G

Fixed port

2*10/100/1000Base-TX RJ45 port (Data)

9*1000M SFP

Console port

1*console port

Reset Key

1

Network Protocol

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

Port Specification

10/100/1000BaseT（X）Auto

Transmission Mode

Store and Forward(full wirespeed)

Bandwidth

56/128Gbps

Packet Forwarding

40.32Mpps

MAC Address

8K

Buffer

4.1M

Transmission Distance

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)

FLASH

16M

RAM

128M

Network management

Supporting WEB management

Support Telnet/TFTP/Console management

Support SNMP v1/v2/v3 management

Support RMON management

Watt

≤15W

LED Indicator

PWR:Power LED

3~11:(SFP LED）

Port:(Green=10/100M LED+Orange=1000M LED)

Power

External power DC 12V 2.5A

Operating Temperature/Humidity

-20～+55°C；5%～90% RH No coagulation

Storage Temperature/Humidity

-40～+75°C；5%～95% RH No coagulation

Product size/Packing size（L*W*H）

245mm*110mm*40mm

300mm*205mm*55mm

N.W/G.W（kg）

0.7kg/1kg

Installation

Desktop（optional machine hanger parts）

Lightning protection level

3KV 8/20us；

IP30

Certificate

CE mark, commercial；CE/LVD EN60950；
FCC Part 15 Class B；RoHS；

Warranty

Whole device for 1 year(Accessories
not included)