Black Box LBH240A manual

© Copyright 2005. Black Box Corporation. All r ights reserved. 1000 PARK DRIVE • LAW RENCE, PA 15055-1018 • 724- 746-5500 • FAX 724-746-0746 Heavy Duty Edge Switches July 2005 LBH150 A (AE) -H, -P LBH240 A (AE) -H, -P LBH600 A ( A E ) -H, -P CUSTOME R SUPPORT INFORMATION Order toll-free in the U.S. 24 hours, 7 A.M. Monday to mi dnight Friday[...]

Black Box Heavy Duty Edge Switches Installation and User Gui de (07/05) BLACK BOX ® Series Heavy Duty Edge Switches Installation and User Guide Trademarks Ethernet is a trademark of Xerox Corporation NEBS is a trademark of Telcordia Technologies UL is a registered trademark of Underwriters Laboratories Important: The LBHXXX-Series 10/100 Mb/s Edge[...]

Black Box Heavy Duty Edge Switches Installation and User Gui de (07/05) Contacting Black Box Corporation Please use these mailing addre ss and phone and fax numbers: Black Box Corporation 1000 Park Drive Pittsburgh, PA 15055 Phone: (724) 746-5500 Fax: (724) 746-0746 E-mail: info@blackbox.co __________________________________________________________[...]

Black Box Heavy Duty Edge Switches Installation and User Gui de (07/05) FEDERAL COMMUNICATIONS COMMISSION AND CANADIAN DEPARTMENT OF COMMUNICATIONS RADIO FREQUENCY INTERFERENCE STATEMENTS This equipment generates, uses, and can radiate radio frequency energy and if not installed and used properly, that is, in strict accordance with the manufacturer[...]

Black Box Heavy Duty Edge Switches Installation and User Gui de (07/05) This digital apparatus does not exceed the Class A limits for radio noise emission from digital apparatus set out in the Radio Interference Regulation of the Canadian Department of Communications. Le présent appareil numérique n’émet pas de bruits radioélectrique s dépas[...]

Black Box Heavy Duty Edge Switches Installation and User Gui de (07/05) 5. El aparato eléctrico no deberá ser usado cerca del agua—por ejemplo, cer ca de la tina de baño, lavabo, sótano mojado o cerca de una alberca, etc. . 6. El aparato eléctrico debe ser usado úni cam ente con carritos o pedestales que sean reconnendados por el fabricante[...]

Black Box Heavy Duty Edge Switches Installation and User Gui de (07/05) 12. Precaución debe ser tomada de m al manera que la tierra fisica y la polarización del equipo no sea eliminada. 13. Los cables de la fuente de poder deben ser gui ados de tal m anera que no sean pisados ni pellizcados por objetos colocados sobre o cont ra ellos, poniendo pa[...]

Black Box Heavy Duty Edge Switches Installation and User Gui de (07/05) Certification Notice for Equipment Used in Canada The Canadian Department of Communications label identifies certified equipment. This certification means that the equipment meets certain telecom munications-network protective, operation, and safety requirements. The Department[...]

Black Box Heavy Duty Edge Switches Installation and User Gui de (07/05) equipment, or equipment malfunctions, may give the telecommunications company cause to request the user to disconnect the equipment. Users should ensure for their own protection that the electrical ground connections of the power utility, telephone lines, and internal metallic [...]

Black Box Heavy Duty Edge Switches Installation and User Gui de (07/05) TABLE OF CONTENTS Page 1.0 SPECIFICATIONS (HEAVY-DUT Y EDGE SWITCHES) .............. 1 1.1 Technical Sp ecifications ..................................................................... 1 1.2 Summ ary of mode ls and descriptions ................................................[...]

Black Box Heavy Duty Edge Switches Installation and User Gui de (07/05) 3.6 DC Power Terminals: “+”, “-”, gnd ......................................................... 46 3.7 LBHXXX A(E)- H and - P Series, DC-powered , ................................. 47 3.8 Connecting Ethern et Media .......................................................[...]

Black Box Heavy Duty Edge Switches Installation and User Gui de (07/05) 5.3 Return Material Authori zation (RMA) Procedure ............................. 65 Revisions Rev A 06/05: Initial release of this user manual for Heavy Duty Edge Switches Black Box. reserves the right to change specifications, performance characteristics and/or model offerings[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 1 1.0 SPECIFICATIONS (Heavy-Duty Edge Switches) 1.1 Technical Specifications Ports Performance When a port is operating at 100Mbps: Data Rate: 100M bps When a port is operating at 10 Mbps: Data Rate: 10 Mbps Network Standards 100Mb: Ethernet IEEE 802.3u, 100BASE-TX, 100BASE-F[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 2 Latency (not includi ng packet tim e): 100 to 10 Mbps: 5 µ s 10 to 100Mbps: 15 µ s Path Delay Value : 50 BT on all ports LLL(Link-Loss-Learn): Factory default is activated on port 1 and 2 (allow to flush the internal address buffer , and qualify to use STP/RSTP for faster[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 3 Operating Environment LBHXXXA(E): 32 º F to 104 º F (0 º C to 40 º C) LBHXXXA(E)-H: -13 º F to 140 º F (-25 º C to 60 º C) Long term per agency tests (UL). -40 º F to 149 º F (-40 º C to 85 º C) Short term per IEC Type tests. LBHXXXA(E)-P: -40 º F to 167 º F ([...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 4 Packaging: Enclosure: Rugged sheet metal (Steel). Dimensions of the Switch unit: 3.7 in H x 3.0 in W x 1.7 in D (9.4 cm x 7.6 cm x 4.3 cm) Weight: all models: 13 oz. (370g); Power supply, A, and AE: 5.8 oz (165g) A–H, and AE-H: 5.8 oz (165g) A–P, and AE-P: 7.9 oz (225g)[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 5 POWER SUPPLY These products are intended to be supplied by a Listed, Direct Plug-In power unit, marked “Class 2”, or a Listed ITE Power Supply, ma rked “LPS”, which has suitably rated output voltage (i.e. 9vdc, 12vdc, 24vdc, 48vdc), and suita bly rated output curren[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 6 Office Models Ratings (0 to 40°C) North America (A) models. Input: direct plug-in 95-125vac at 60 Hz. Output:12vdc, 1Amps International (AE) models . Input: 240vac at 50Hz with IEC 320 connector for the user supplied AC power cord. Output:12vdc, 1Amps Factory Floor Models [...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 7 International (AE-P) models . Outdoor temperature rated. Input: IEC 320 connector on the 100-240vac 47-63Hz external power adapter. Requires a user supplied power cord. Output:12vdc, 2Amps. Note: LH1505-CK - For Hardened or Extreme -24VDC unit only for dual DC power (sold s[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 8 Fiber optic port: supports 100Base-FX with a “fiber flavor” choice of multimode SC, ST, LC or MTRJ or single mode SSC, SSCL, SST or SLC connectors. (By default factory settings is at “Full” duplex on fiber ports) LED Indicators (Front) P OWER: Steady ON when power a[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 9 Mean Time Between Failure (MTBF ) – over15 years, Telcordia (Bellcore) Method Agency Approvals and Standards Compliance : UL Listed (UL 60950), cUL, CE, Emissions m eets FCC Part 15 Class A. NEBS L3 and ETSI compliant. Hardened and Extreme models: IEEE 1613 E nv. Std for [...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 10 1.2 Summary of models and desc r i ptions Note: The LBH150, LBH240 and LBH600 m odel # consists of the base unit, for dom estic power supply add A , for international power supply add AE , fiber interface xx and the dc power option yy . (see note for xx and yy) In three di[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 11 Note: xx for fiber interface “SC” = 100Base-FX-SC: multi-mode fiber optic with SC ty pe connector, 2km . “SSC”= 100Base-FX-SSC: single-m ode fibe r optic with SC type connector, 20km . “SSCL”= 100Base-FX-SSCL: single-m ode fiber optic with SC type connector, 40[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 12 2.0 INTRODUCTION This section describes LBHXXX Series m odels, including appearance, features and typical applications. 2.1 Inspecting the Package and the Product Examine the shipping container for obvious damage prior to installing this product; notify the carrier immedia[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 13 Remove the Black Box LBHXXX Series Edge Switches from the shipping container. Be sure to keep the shipping contai ner should you need to ship the unit at a later date. In the event there are items missing or da maged contact your supplier. If you need to return the unit us[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 14 built in, covers the full range of application environments, with regular (office), Hardened (factory floor), and Extreme-rated (outdoor) versions. Extra features for Heavy- Duty(LBHXXX )and extended temperature operati on ranges are included selectively in the Hardened fa[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 15 Black Box managed switches, running STP/RS TP, can often provide high availability Redundant LANs at economical cost. The Heav y -Duty LBH xxx -Series r e gular-package units are for office and indoor wiring closet environments. Thes e are the economical base units in the [...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 16 Fig 2.2 b Fig 2.2b (LBH150A-SC) left w i th four10/100 RJ-45 and t w o fiber 100Mb The Regular Heavy-Duty LBHXXX Edge Switches models (as shown in Fig 2.2.a, b,) units are for office and wiring closet environments and use an external AC power supply. A ventilated metal cas[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 17 The regular model LBH XXX A, includes Link-Loss - Learn, MDIX ports and the full range of fiber port options. The regular LBH150A/L BH240A model does not have options for Alarm and DC power The Hardened labeled Heav y -Duty LBHXXX A-H Edge Switches H units (shown in Fig 2.[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 18 The Heav y -Duty LBH150A -H /LBH240A-H Edge Switches, Hardened units are for factory floor applications. The LBHXXX A -H models are built with high-grade components and are constructed using special thermal techniques and a metal case for heavy duty Fig. 2.2.d Hardened LBH[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 19 models for external AC or internal DC power are available. Ambient operating temp erature is –25°C to + 60°C depending on the power source used. Storage temperature rating is –25°C to + 85°C. F ig 2.2e & f, Extreme model LB H 240 A - P-ST LBH600A-P The Extreme [...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 20 extended temperature components, and use similar thermal techniques as the LBHXXX A- H Hardened units. In addition to a Extreme-ra ted AC power option and jack, terminals for internal DC power choices at 8 to15V, 24V or -48V DC are included. When used outdoors, the LBHXXX [...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 21 All the Extreme and hard ened models also come along with hardware operated Alarm terminal block for providing extra reliability to the unit. The Alarm feature allows the LBHXXX heavy duty users to be aw are and to monitor any internal power failure. See section 44 for det[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 22 connected correctly and showing, by blinking, when there is traffic. The LK/ACT LED’s are repeated on the front as 1 (port 1)…6 (port 6), whereas on the side as LA1…LA6 . There is another set of LEDs on the front for 10 or H and 100 or F, to indicate the data rate as[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 23 length and have the correct CRC, i.e. they are good packets. This eliminates propagation of bad packets, enabling all of the available bandw idth to be used for valid information. While other switching technologies such as "cut-through" or "express" imp[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 24 (Many other switches have their packet buffer storage space divided evenly across all ports, resulting in a small, fixed number of packets to be stored per port. When the port buffer fills up, dropped packets result.) This dynami c buffer allocation provides the capability[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 25 Another feature implemented in Heavy-Duty LBHXXX Edge Switches is a collision-based flow-control mechanism (when operating at ha lf-duplex only). When the Switch detects that its free buffer queue space is low, the Switch prevents m ore frames from entering by forcing a co[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 26 2.4 Features and Benefits  Full 100Mb or 10 Mb switching services for high performance Ethernet Black Box Heavy-Duty LBHXXX Switches provide Fast Ethernet switching on all ports. They perform high speed filter/forward operations on the traffic, giving each port’s segm[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 27  Installation is “Plug and Play”, operation is tran sparent to software The Black Box Heavy-Duty LBHXXX Switches operate as hardware switches, only forwarding those packets from each domain that are needed on the other domains. Internal addre ss tables are self-lear[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 28  Qualified to use for temperature un-controlled “outdoor” application The Black Box LBHXXX A(E)- P Extreme rated versions of Edge Switches have an ambient temperature rating between –40 º C to +75 º C for DC models and qualify for temperature un-controlled “ou[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 29  H a r d w a re o p er a t e d A l a r m t er m i n a l b l o c k f o r LB H XXX A(E)- H a n d LB H XXX A(E)- P The Alarm contact option on LBHXXX A(E)- H and LBHXXX A(E)- P enables monitoring for internal power failure, and provides extra reliability to the hardened Sw[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 30 offered by Black Box Edge Switches provi de convenient, economical, and reliable solutions as well as an active role on the managed redundant networ k setup for faster recovery. The compact Black Box Heavy- Duty LBHXXX assists fa st expanding network requirements via provi[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 31 Internet Router Exa mp le1. Su per mar ket ap pli cat ion for LBH XXX- In this example, the s upermarket required a Data Mining function to store a ll the transaction with an ongoing demand to expand the network. This need can be easily met using the economical Black Box L[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 32 across large distances with multi- or single– mode fiber while securing the LAN from EMI and wire tapping. The LBHXXX’s six ports in a small, reliabl e metal enclosure provide an effective solution to for transferring real-time transacti ons from the store to the s tor[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 33 E xa m p l e 2 : LB H XXX A(E)- H a n d LB H 100AE In this industrial networking application, the new PLC units are deployed on a network expansion, and each PLC required one (or two for redundancy) Ethernet ports to carry status and control data to the control center. The[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 34 Internet Router PLC PLC PLC PLC PLC PLC PLC PLC PLC PLC PLC[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 35 E xa m p l e 3 : LB H XXX A(E)- P : In this example, the Black Box LBHXXX A(E)- P Extreme Edge Switches are deployed to serve as a s ecure corporate or transportation surveillance system. CCTV cameras may be spread out ove r many miles in temperature un-controlled location[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 36 Interne Router CCTV CCTV CCTV CCTV[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 37 3.0 INSTALLATION This section describes the installa tion of the Black Box Heavy -Duty LBHXXX Edge Switches, including location, mountings, power supply options and media connection. 3.1 Locating the Edge Switch Unit All the Heavy-Duty LBHXXX Switches operate in transparen[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 38 mounting the unit on a vertical surface such as a wall or cabinet, or for securing the unit on a table-top or shelf. Alternatively, meta l mounting clips and screws are included for a rugged and secure mounting in any orientation. Installation of the Black Box Heavy-Du ty [...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 39 Switches and/or Media Edges may be placed on a tray, up to a maximum of 8 units. (The mounting spaces of th e LH1505P-RACK are specific to the Black Box products and will not permit other models to be properly mounted). In a typical installation, the LH1505P-RACK, 19” ra[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 40 beveled-top edge of the units permits the LED s of each unit to be viewed for operational status, even when the units are very close together. 3.3 LH1505-RACK-1-9V and LH1505-RACK-2-9V for Rack Mounting Media Edges The LH1505-RACK-1-9V and LH1505-RACK-2-9V are other option[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 41 The s ide-view < here is an exa m ple of an installation of the model LH1505P-RACK , 19” rack-mount tra y , holding a few LBHXXX, and LBH100A, each with their power input plugged into the built-in common AC power suppl y in the rear area of the tray. (AC PS units that[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 42 The metal DIN-Rail mounting hardware is optional and needs to be ordered as a separate item, e.g. Model #XXXXX. It comes with four screws to attach the bracket to the MC unit. The rail clip is spring-loaded with a pull-up latch at the top for easy “snap-on” attachment [...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 43 The extended temperature (H and P) vers ions are used for heavy duty industrial applications. The 12V DC power input jack ha s a plug of 2.5mm, center +ve , with 6 ft. cord. All the AC power supply info detail is provided in Technical Specs Section 1.1. The Heavy-Duty LBHX[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 44 3 . 5 P o w er i n g t h e LB H XXX A(E)- H a n d LB H XXX A(E)- P ( D C i n t er n a l ) with 12V, 24V or –48VDC power input Each Black Box LBHXXX A(E)- H/LBHXXX A(E)- P Series is equipped with an internal DC power supply, and has built-in screw terminals for secure att[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 45 Note: T h e L BHXXX A(E)- H or P models with 24VDC support the Dual Source 24V input option. An external LH1505-CK (SHOWN AT RIGHT…and sold separately, or a customer-supplied equivalent) can be used to input 24VDC power to the L B HXXX A(E)- H or P unit via the jack. T h[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 46 3.6 DC Power Terminals : “+”, “-”, gnd GN D : Terminal for “earth” or ground wire connection to the LBHXXX A(E)- H chassis Input Voltage : 12VDC 24VDC -48VDC Input current : 0.8 amp.(12V DC) 0.4 amp max.(24V DC) 0.2 amp max.(-48V DC) Power Consumption :7.0 watt[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 47 3 . 7 L B H XXX A(E)- H a n d P S erie s , DC - p o were d , 12VDC, 24VDC and -48VDC Installation This section describes the proper connection of the -48VDC leads (or 24VDC, 12VDC leads) to the DC power terminal block on the Black Box LBHXXX A(E)- H Edge Switch (as shown i[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 48 the LBHXXX A(E)- H’s power terminals, positive (+) and negative (-) screws. The use of Ground (GND) optional; it connects to the Edge Switch ch assis. Ensure that each lead is securely tightened from the top, as shown on above picture with arrow. NOTE: Always use a voltm[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 49 distance for unshielded twisted pair cabling is 100 meters (328 ft). For fiber port 10BASE- FL or 100BASE-FX multi-mode, 50/125 or 62.5/ 125 microns cabling can be used, whereas for single-mode, 9/125 microns cabling should be used. Fiber cabling supports much longer cable[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 50 3.8.1 Connecting Tw isted Pair (RJ-45, CAT 3 or CAT 5, Unshielded or Shiel ded) The following procedure describes how to connect a 10BASE-T or 100BASE-TX twisted pair segment to the RJ-45 port. The procedure is the same for both unshielded and shielded twisted pair cables.[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 51 1. Before connecting the fiber optic cable , remove the protective dust caps from the tips of the fiber connectors. Save these dust caps for future use. 2. Wipe clean the ends of the dual connector s with a soft cloth or lint-free lens tissue dampened in alcohol. Make cert[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 52 fiber media to SC connectors, simply snap on the two square male connectors into the SC female jacks of the Fiber connector until it clicks and secures. 3.8.4 Connecting Single-Mode Fiber Optic When using single-mode fiber cable, be sure to use single-mode fiber port conne[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 53 3.8.5 Power Budget Calc ulations for Heavy-Duty LBH XXX, F ib e r M ed ia Receiver Sensitivity and Transmitter Power are the parameters necessary to compute the power budget. To calculate th e power budget of different fiber media installations using Black Box products, th[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 54 Fiber Port Module Speed, Std. Mode Std. km fdx (hdx) Wavel ength nm Cable Size µ m X’mitr Output P T , dB R’cvr Sens. P R , dB Worst OPB, dB Worst* distance Km, fdx typical OPB, dB typical* distance Km, fdx LBHXXX- MST, MSC 100Mb FX Multi- mode 2 (0.4) 1310 62.5/125 5[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 55 * Not e: The use of either multi-mode or single-mode fiber to operate at 100Mbps speed over long distances (i.e., over approx. 400 meters) can be achieved only if the following factors are both applied: • The 100Mb fiber segment must operate in full-duplex (FDX) mode, an[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 56 4.0 OPERATION 4.1 Dual-Speed Functionality, and Switching The Black Box Heavy-Duty LBHXXX Edge Switches provide SIX switched ports with combination of fiber and copper or copper only. The architecture supports a dual speed switching environment, with standard auto-negotiat[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 57 Switching, Filteri ng and F or w arding Each time a packet arrives on one of the switche d ports, the decision is taken to either filter or to forward the packet. Packets whose s ource and destination addresses lie on the same port segment will be filtered, constraining th[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 58 4.2 Auto-cross (MDIX), Auto-negotiation and Speed-sensing The RJ-45 ports independently support auto-cross (MDI or MDIX) in auto- negotiation mode and will work properly with all the other connected devices with RJ- 45 port whether it supports Auto-negotiation or not (e.g [...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 59 4.3 Dual LEDs, Front-pan el and side-panel (Black Box Heavy-Duty LBH XXX) LED Description PWR Illuminates GREEN to indicate power applied. LK/ ACT Steady ON for LINK w/no traffic, blinking for activity per port. LINK will turn off in the event connectivity is lost betw een[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 60 4.4 Hardware operated Alarm Contact for monitori ng internal power supply The two screws Alarm Contacts fea t ure, standard on Black Box LBHXXX A(E)- H and P, provides Normally Closed (NC) contacts to which the user can attach one sets of status monitoring wires at the gre[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 61 Useful info about Alarm Contacts in LBHXXX A(E)- H and LBHXXX A(E)- P: 1. Two-position terminal block (1,2) provided ne xt to the DC power input, as shown above. 2. The Alarm Relay contact connected to the two terminals (1,2) is hardware operated. 3. By default it is NC (n[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 62 procedures described in this section or if the LBHXXX Series 10/100 Mb/s Switch is not performing as expected, do not attempt to repair the unit; instead contact your supplier for assistance or contact BLACK BOX Customer Support. 5.1 Before Calling for Assistance 1. If dif[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 63 4. If the problem is isolated to a ne twork device other than the LBHXXX and LBHXXX Series 10/100 Mb/s switch product, it is recommended that the problem device is replaced with a known good device. Verify whether or not the problem is corrected. If not, go to Step 5 below[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 64 2. An accurate list of BLACK BOX product m odel(s)involved, with serial number(s). Include the date(s) that you purchased the products from BLACK BOX. 3. It is useful to include other networ k equipment models and related hardware, including Convenient computers, workstati[...]

Black Box ® Heavy Duty Edge Switches Install ation and User Guide(07/05) 65 5.3 Return Material Auth orization (RMA) Procedure Shipping and Packaging Information Should you need to ship the unit back to Black Box Corporation, please follow these instructions: 1. Package the unit carefully. It is recommended that you use the original container if a[...]