Black Box LEH8814 ユーザーズマニュアル

Power Input Assignment 

Power3 12VDC 

DC 

Jack 

＋

  12-32VDC 

Power1 

－

  Power Ground

Terminal Block 

Power2 

＋

  12-32VDC 

 

Earth Ground 

 

DC Terminal Block Power Input
power inputs can be used t
power supplies function is supported
 

s: There are two pairs of 

o power up this switch. Redundant 

. 

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 Meets NEMA TS1/TS2 Environmental requirements such as 

temperature, shock, and vibration for traffic control equipment. 

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  Meets EN61000-6-2 EMC Generic Standard Immunity for industrial 

environment. 

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  Manageable via SNMP, Web-based, Telnet, and RS-232 console port. 

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Support 802.3/802.3u/802.3ab/802.3z/802.3x. Auto-negotiation: 

10/100/1000Mbps, full/half-duplex; Auto MDI/MDIX. 

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  100Base-FX: Multi mode SC or ST type; Single mode SC or ST type; 

WDM Single mode SC type. 

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  1000Base-SX/LX: Multi mode or Single mode SC type; WDM Single 

mode SC type. 

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  Support 8192 MAC addresses. Provides 2M bits memory buffer. 

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  Operating voltage and Max. current consumption: 1.25A @ 12VDC, 

0.625A @ 24VDC. Power consumption: 15W Max. 

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  Power Supply: Redundant DC Terminal Block power inputs or 12VDC 

DC JACK with 100-240VAC external power supply. 

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 -40  to 75  (-40℉ to 167℉) operating temperature range. 

 

Tested for functional operation @ -40  to 85  (-40℉ to 185℉). 

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  Supports Din-Rail, Panel, or Rack Mounting installation.