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Trademarks Used in this Manual

724-746-5500 | blackbox.com

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Trademarks Used in this Manual

Black Box and the Double Diamond logo are registered trademarks of BB
Technologies, Inc.

Ethernet is a trademark of Xerox Corporation

NEBS is a trademark of Telcordia Technologies

UL is a registered trademark of Underwriters Laboratories

Any other trademarks mentioned in this manual are acknowledged to be the property
of the trademark owners.

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Summary of Contents for LBH081A

Page 1: ...Hardened Industrial Switch Provides eight 10 100 copper ports and one 100 Mbps fiber uplink port Operation is plug and play Front mounted LEDs provide status information on each port LBH081A LBH181A...

Page 2: ...when the equipment is operated in a commercial environment Operation of this equipment in a residential area is likely to cause interference in which case the user at his own expense will be required...

Page 3: ...el flujo de aire por los orificios de ventilaci n 10 El equipo el ctrico deber ser situado fuera del alcance de fuentes de calor como radiadores registros de calor estufas u otros aparatos incluyendo...

Page 4: ...of Telcordia Technologies UL is a registered trademark of Underwriters Laboratories Any other trademarks mentioned in this manual are acknowledged to be the property of the trademark owners We re here...

Page 5: ...ing Ethernet Media 20 3 3 1 Connecting Twisted Pair RJ 45 CAT 3 or CAT 5 21 3 3 2 Connecting Fiber Optic SC type Snap In 21 3 3 3 Connecting Fiber Optic LC type Small Form factor SFF 21 3 3 4 Connecti...

Page 6: ...g IEEE 802 1x Port based Network access control Maximum 10 Mbps Ethernet Segment Lengths Unshielded twisted pair 100 m 328 ft Shielded twisted pair 150 m 492 ft 10BASE FL multi mode fiber optic 2 km 6...

Page 7: ...gth sheet metal Dimensions 1 25 in H x 6 6 in W x 6 0 in D 3 18 cm H x 16 76 cm W x 15 24 cm D Cooling method Convection Weight 1 lb 454 g DC Power Supply Internal floating ground DC Power Connector T...

Page 8: ...l Switch with 24VDC power input eight 10 100Mbps switched RJ45 ports one 100Mbps Fiber port and Wall mount brackets included LBH182A HD ff Same as LBH182A H except a DIN Rail bracket is included LBH18...

Page 9: ...the original shipping container Refer to Chapter 5 Troubleshooting for specific return procedures 2 2 Product Description General In factory automation control systems field bus control systems are gi...

Page 10: ...up because they are standards based These switches also are ideal for cell phone backhaul using faster and longer range fiber cable Typically DIN rail mounted these switches can withstand factory flo...

Page 11: ...Mbps and full half F H duplex indicators The DC power terminal block is located at the right side of the chassis looking at the front DC power option inputs are 12 24 and 48VDC 2 2 2 LBH08x chassis wi...

Page 12: ...rmation While other switching technologies such as cut through or express impose minimal frame latency they will also permit bad frames to propagate out to the Ethernet segments connected The cut thro...

Page 13: ...is a collision based flow control mechanism when operating at half duplex only When the Switch detects that its free buffer queue space is low the Switch prevents more frames from entering by forcing...

Page 14: ...t connections with auto negotiation and auto cross MDI MDIX functionality All RJ 45 ports are capable of half or full duplex Installation is Plug and Play operation is transparent to software The LBH0...

Page 15: ...se immunity and distance The LBH08x LBH18x Series Hardened Ethernet Switches are ideal for these applications Example 1 LBH18x for industrial application Equipped with lots of useful features includin...

Page 16: ...10 Mbps domain so overall performance of the network is sustained at the highest possible level Example 2 LBH08x for office installation In this example the LBH08x Switch is used to serve a small offi...

Page 17: ...LBH18x Series Switches For vertical panel mounting and wall mounting see Section 3 1 2 For vertical DIN Rail mounting see Section 3 2 For DC power input data see Appendix B The rugged metal case of th...

Page 18: ...a rear space of about 1 8 inch or 3mm This allows air circulation and cooling of the rear part of the case For best cooling of the switch attach the metal brackets to metal rather than wood or plasti...

Page 19: ...Chapter 3 Installation 724 746 5500 blackbox com Page 19 Fig 3 1 2b LBH08x mounting dimensions...

Page 20: ...ttachment and removal The LBH08x LBH18x models with HD have the DIN Rail bracket included and assembled on the unit at the factory 3 3 Connecting Ethernet Media The LBH08x LBH18x Switches are specific...

Page 21: ...onnectors Save these dust caps for future use 2 Wipe clean the ends of the dual connectors with a soft cloth or lint free lens tissue dampened in alcohol Make certain the connectors are clean before c...

Page 22: ...s passive Attenuation Attenuation Cable loss LED aging loss Insertion loss safety factor 3 3 6 Connections to NICs which support Auto Negotiation The copper ports of LBH08x LBH18x Industrial Switches...

Page 23: ...ribed below Switching Filtering and Forwarding Each time a packet arrives on one of the switched ports the decision is taken to either filter or to forward the packet Packets whose source and destinat...

Page 24: ...t has auto negotiated for operation If a LBH08x or LBH18x RJ 45 port is connected to a non negotiating device it will default to 10 Mbps speed and half duplex mode per the IEEE 802 3u standard 4 3 Aut...

Page 25: ...Before Calling for Assistance 1 If difficulty is encountered when installing or operating the unit refer back to the Installation Section of the applicable chapter of this manual Also check to make s...

Page 26: ...occurrence of the problem Any changes to system administration procedures should all be noted in this record 5 3 Return Material Authorization RMA Procedure All returns for repair must be accompanied...

Page 27: ...terial Authorization RMA number on the outside of the shipping container 3 Black Box is not responsible for your return shipping charges 4 Ship the package to Black Box Network Services contact Black...

Page 28: ...pplied to the two inputs It protects the Switch from incorrect DC input connections An incorrect polarity connection for example will neither affect the Switch its internal power supply nor will it bl...

Page 29: ...he LBH18x Switch is located on the right side of the unit and the LBH08x terminal block is located on the left front and both are equipped with four 4 screw down lead posts The power terminals are ide...

Page 30: ...ve potential The more ve voltage lead from 48V or 48V supply must be connected to the post labeled B4 1 UL Requirements for DC powered units CAUTION 48VDC products shall be installed with a readily a...

Page 31: ...724 746 5500 blackbox com Page 31...

Page 32: ...724 746 5500 blackbox com LBH081A rev 1...

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