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EIP308-1904ds - 1/2 

International Headquarters: 

707 Dayton Road P.O. Box 1040 Ottawa, IL 61350 USA 

815-433-5100 Fax 433-5104    

www.bb-elec.com    [email protected]    [email protected] 

 
 

Westlink Commercial Park Oranmore Co. Galway Ireland 

+353 91 792444 Fax +353 91 792445    

www.bb-europe.com    [email protected]    [email protected]

 

Your Serial and Data Communication Ex

perts       

B&B ELECTRONICS 

PRODUCT INF

O

RMATION

 

 
 

Model EIP308 

8-Port 10/100 

Ethernet Switch 

 

 

Description 

ModeI

 EIP308 

is an 8-port 10/100 switch designed for the not-so-friendly industrial environment. The unit is housed in a 

rugged metal enclosure ready to be mounted on a DIN rail or panel. The switch is an unmanaged Layer 2 switch that 
provides auto MDI/MDIX crossover for easy plug-and-play applications. 

 

LEDs indicate power, speed and link/activity for easy visual diagnostics. External power supply is connected to three 2-
position pluggable terminal blocks. A 9-30 VDC is the main power supply input. It also has a redundant 9-30 VDC for 
secondary DC source. If that is not enough, 24 VAC yields the third option for power supply. B&B Electronics’ power supply 
model 12DC1AST (9-30 VDC @ 1000mA) is required, not included.  
 

Features 

 Fully IEEE 802.3 and 802.3u compliant 

 

 Vertical or flat panel mountable 

 8-port unmanaged Layer 2 switch   

 

 Wide power input 9-30 VDC 

 Auto detecting 10BaseT/100BaseTX 

 

 Redundant wide power input 9-30 VDC 

 Auto MDI/MDIX crossover for plug and play  

 24 VAC power input 

 Ruggedized metallic enclosure 

 

 

 Speed and link/activity diagnostic LEDs 

 DIN rail mount with #DRAD35 adapters 

 

 Unique load LED’s for quick network status 

 

Applications

 

 

 Building automation 

 

 

 Process control 

 Ethernet I/O 

 

 

 

 Motion control 

 Remote data acquisition   

 

 Environmental control 

 Communications gateway 

 

 Machine monitoring 

 PLC and operator interface 

 

 Factory floor Ethernet networks 

 

Connections 

Standard RJ45 female connectors are provided. Standard RJ45 plug cables are all that is necessary to connect your 

devices since the switch supports auto crossover. External power supply is connected using one of the three 2-position 

pluggable terminal blocks for convenience. Table 1 shows the RJ45 pinouts and Table 2 shows the LED indicators. 

 

 

 

 

 

 

 

 

Table 1 

Pin Number 

Signal 

1 TX+ 
2 TX- 
3 RX+ 

 4 

not used 

5 not 

used 

6 RX- 
7 not 

used 

8 not 

used 

Table 2 

LED Color  On 

Off 

Blinking 

SPD yellow  100 

10 

reset/error 

LNK green  link  no 

link 

data 

PWR red power 

no 

power  NA 

PWR

LNK/ACT SPD

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