Black Box LPH240A-H network switch
Contents
1. Chapter 1 Specifications Maximum Ethernet Segment or Domain Lengths 10BASE T Unshielded twisted pair 100 m 328 ft 100BASE TX CAT 5 UTP 100 m 328 ft 100BASE FX half duplex multi mode 412 m 1350 ft 100BASE FX full duplex multi mode 2 km 6562 ft 100BASE FX half duplex single mode 412 m 1350 ft 100BASE FX full duplex single mode 20 km 65 620 ft Operating Environment LPH240A H 13 F to 140 F 25 C to 60 C Long term per agency tests UL 40 F to 185 F 40 C to 85 C Short term per IEC Type tests LPH240A P 40 F to 167 F 40 C to 75 C Long term per agency tests UL 58 F to 212 F 50 C to 100 C Short term per IEC Type tests Storage Temperature All models 40 F to 185 F 40 C to 85 C Cold Start LPH240A H to 20 C LPH240A P to 40 C Ambient Relative Humidity 5 to 95 non condensing Page 10 724 746 5500 blackbox com Chapter 1 Specifications Altitude All models 200 to 5000ft 60 15 000 m Conformal Coating optional for humidity protection Note H and P models are designed for NEBS compliance including vibration shock and altitude 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 9 5 oz 2859 Cooling Method Convection on the office model The Hardened H factory floor and Extreme P temperature unc2. Cable Loss in dB Km where the Cable Loss for 62 5 125 and 50 125um m m is 2 8dB km and the Cable Loss for 100 140 Multi mode is 3 3 dB km and the Cable Loss for 9 125 Single mode is 0 5 dB km Note 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 and The worst case OPB of the fiber link must be greater than the fiber cable s passive Attenuation Attenuation Cable loss LED aging loss Insertion loss safety factor Page 42 724 746 5500 blackbox com Chapter 3 Installation 3 8 6 Connections to NICs which support Auto Negotiation RJ 45 ports The copper ports of LPH240A Edge Switches will function properly with NICs Network Interface Cards which support Auto Negotiation and the Fast Link Pulse FLP coding for the 100BASE TX signaling system When connecting a NIC to the LPH240A Series it may be necessary to reload the NIC drivers on the user device if the NIC has been communicating with a protocol other than 100BASE TX such as 10BASE T When 100Mb operation is agreed and in use the 10 100 LED is illuminated steady ON and OFF if 10 Mbps traffic is in use 724 746 5500 blackbox com Page 43 Chapter 4 Operation 4 OPERATION 4 1 Dual Speed Functionality and Switch
3. mounting in any orientation Installation of the LPH240A Series PoE Edge Switch is a simple procedure The installation location is dependent upon the physical layout of the Ethernet network and associated cabling Make sure the unit is installed in a location that is easily accessible to an AC power outlet or the appropriate DC source and where cooling is not inhibited The green Power PWR LED must turn ON when power is applied 724 746 5500 blackbox com Page 29 Chapter 3 Installation Y 0 304 y BRACKET Fig 3 1a LPH240A x 48VDC 48V model Page 30 724 746 5500 blackbox com Chapter 3 Installation dal 6 000 5 075 oo 00 boo DOO DOO DOO El Uy 0 500 Y l 1 0 300 F 6 100 5 500 i ar o 1 700 O 1 950 di Fig 3 1b LPH240A x AC model 724 746 5500 blackbox com Page 31 Chapter 3 Installation 3 2 LE1505 RACK for Rack Mounting of LPH240A 48V models only For 19 rack mounting of LPH240A Series Switches a rack mount tray is available the LE1505 RACK The Switches are mounted with the DC power jack in the back with the fiber and the RJ 45 connectors in the front The
4. 7 watts 8 5 watts max 4 PoE 2 non PoE fiber port 724 746 5500 blackbox com Page 35 Chapter 3 Installation 3 6 Powering the LPH240A with 48VDC power input Each LPH240A Switch is equipped with an internal DC power supply and has built in screw terminals for secure attachment of the power input leads The three DC power input terminal block choices are for use with 48VDC power Where an AC power adaptor is used DC is supplied via the jack Power input from the DC terminal block and the jack may be connected simultaneously for power input redundancy ee a ee _xOg a Page 36 724 746 5500 blackbox com Chapter 3 Installation 3 7 LPH240A Series DC powered 48VDC Installation This section describes the proper connection of the 48VDC leads to the DC power terminal block on the LPH240A PoE Edge Switch The DC terminal block on the LPH240A is located on the left side of the unit and is equipped with three 3 screw down lead posts The power terminals are identified as positive and negative and they are floating inside the unit so that either of the terminals may be grounded by the user if desired The chassis is earth or ground GND The connection procedure is straightforward Simply insert the DC leads to the LPH240A power terminals positive and negative screws The use of Ground GND optional it connects to the LPH240A chassis Ensure that each lead is securely tightened from the
5. RJ 45 or 100 Mb fiber ports with LLL feature to meet the Fiber and copper 10 or 100 Mb requirements All LPH240A Power Source Edge Switch models come with two 2 sets of LED indicators One set is mounted in the end adjacent to three of the RJ 45 ports for easy viewing when the unit is mounted in a rack mount tray The LPH240A Power Source Switch requires a heavy duty power supply of 48VDC 1 4Amps 66 watts total consumption to provide 13 15w power on each port to the PoE unit Also available with standard AC input utilizing a IEC 320 male recessed connector with internal AC DC power supply 2 3 Frame Buffering and Latency The LPH240A Series PoE Edge Switches are store and forward switches Each frame or packet is loaded into the Switch s memory and inspected before forwarding can occur This technique ensures that all forwarded frames are of a valid length and have the correct CRC i e they are good packets This eliminates propagation of bad packets enabling all of the available bandwidth to be used for valid information While other switching technologies such as cut through or express impose minimal frame latency they will also permit bad frames to propagate to the Ethernet network The cut through technique permits collision fragment frames which are a result of late collisions to be forwarded which add to the network traffic 724 746 5500 blackbox com Page 23 Chapter 2 Introduction There is no way t
6. any angle 724 746 5500 blackbox com Page 33 Chapter 3 Installation 3 4 DIN Rail mounting option The LPH240A Switches designed for use in Factory Floor Industrial Ethernet environments are also available for DIN Rail mounting in an enclosure having DIN Rails The metal DIN Rail mounting hardware is optional and needs to be ordered as a separate item DIN Rail bracket pn DIN RAIL MC2 LPH240A H 48V LPH240A H Page 34 724 746 5500 blackbox com Chapter 3 Installation 3 5 Power Requirement for LPH240A 48V Edge Switch POWER INPUT Total Power Consumption 66 watts max 1 5A 48VDC 4P0E 2 non PoE copper Total Power Consumption 66 watts max 1 6A 48VDC 4PoE copper 2 non PoE fiber Terminal block for 48v DC input range of 46 to 60V dc built in for ground Note The 8 15V DC option is also present but can only be used to power the LPH240A unit when no PoE devices are attached The device will not function as PoE Switch while powered up via 12VDC power but as a normal non PoE Switch POWER OUTPUT PoE available on all four RJ 45 ports via Ethernet twisted pair cabling on port pins using the data pair 1 2 3 6 PoE 802 3af Power Consumption 66 watts max 15 4W max port PoE Ports Output voltage 46 to 57 VDC Over Current Protection per port resettable fuse Power Consumption Typical 3 5 watts 4 watts max All six copper ports Power Consumption Typical
7. fiber port only NOTE The port 1 and 2 is being assigned for copper or fiber port for different models On all copper 10 100 ports model e g LPH240A H 48 the LEDs 10 or 100 denotes for copper port only For the model 4 copper 2 fiber or 5 copper 1fiber e g LPH240A H 2SC 48 the F or H denotes for fiber port only 724 746 5500 blackbox com Page 47 Chapter 4 Operation 4 4 Hardware operated Alarm Contact for monitoring internal power supply The two screws Alarm Contact features are standard on LPH240A Series and provide Normally Closed NC contacts to which the user can attach one sets of status monitoring wires at the green terminal block When this option is present the terminal block for Alarm Contacts is part of the Power Input panel in the LPH240A case The DC power input connection is in the same panel The NC Alarm Contact is held close when there is power on the main board inside of the LPH240A This provides a Hardware operated Alarm because the NC contacts will open when internal power is lost either from an external power down condition or by the failure of the power supply inside of the LPH240A Switch Useful info about Alarm Contacts in LPH240A 1 Two position terminal block 1 2 provided next 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 normally closed It will open if there is any loss o
8. port s segment a full 100Mb or 10 Mb of bandwidth Economical 4 port 10 100 Power Source Switch for PoE devices The compact and robust LPH240A PoE acts as a Power plug for all the PoE devices e g CCTV camera VOIP phone digital clock and wireless point through its RJ 45 ports and provides a convenient cost effective power source The two fiber or copper ports 1 amp 2 is featured with LLL Link Loss Learn and helps in faster recovery for redundant application Reduces Network Costs and provides economical solution LPH240A Series PoE Switches offer the ideal solution to efficiently and inexpensively connect a Twisted Pair and fiber network with 10Mb or 100Mb and help to expand the Ethernet network in a very convenient and economical way Choice of one or two100Mb Fiber option more efficient Designed as a multi purpose media Edge Switch the 100Mb fiber port allows the user to convert the media from copper to fiber and the other RJ 45 port can be used as a diagnostic port for more connectivity Page 26 724 746 5500 blackbox com Chapter 2 Introduction Installation is Plug and Play operation is transparent to software The LPH240A Series PoE Switches operate as hardware switches only forwarding those packets from each domain that are needed on the other domains Internal address tables are self learning enabling users to change port connections or 10 100 domains without affecting operations Two sets of LE
9. 13 15watts on each RJ 45 port The Terminal block for 48V DC input is a range of 46V to 60V DC Hardware operated Alarm terminal block The Alarm contact option on LPH240A enables monitoring for internal power failure and provides extra reliability to the hardened Switch Link Loss Learn feature for faster recovery in redundant network The LLL feature qualifies the Edge switches to actively work along with Managed redundant network structure as a client switch and allow a faster recovery during ring break The redundant topology must have one managed switch with STP RSTP feature to control the ring Page 28 724 746 5500 blackbox com Chapter 3 Installation 3 INSTALLATION This section describes the installation of the LPH240A Series PoE Edge Switches including location mountings power supply options and media connections 3 1 Locating the Edge Switch Unit All the LPH240A Series Switches operate in transparent half and full duplex mode The store and forward switches easily take care of network traffic and can be used as a useful economical tool to expand an existing network The compact and lightweight design of the LPH240A Series allows it to be easily installed in almost any location A Velcro strip may be used for 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 metal mounting clips and screws are included for a rugged and secure
10. 3 7 3 8 4 1 4 2 4 3 4 4 SPECIFICATIONS viscosa 9 Technical Specifications i 9 Ordering Information iiii 14 INTRODUCTION lane rata a ia aloe 19 Inspecting the Package and Product 19 Product description Frame Buffering and Latency i 23 Features and Benefits i 26 INSTALLATION ia A 29 Locating the Edge Switch UNit 29 LE1505 RACK for Rack Mounting of LPH240A 32 3 8 1 3 8 2 3 8 3 3 8 4 3 8 5 3 8 6 LH1505P RACK for Rack Mounting 33 DIN Rail mounting Option i 34 Power Requirement for LPH240A 48V Edge Switch 35 Powering the LPH240A with 48VDC power input LPH240A Series DC powered 48VDC Installation Connecting Ethernet Media n Connecting Twisted Pair Connecting Fiber Optic ST type twist lock Connecting Fiber Optic SC type Snap In Connecting Single Mode Fiber Optic Power Budget Calculations Fiber Media Connections to NICS ii OPERATION rici Dual Speed Functionality and Switching Auto cross MDIX Auto negotiation and Speed sensing 46 Dual LEDs Front panel and side panel 47 Hardware operated Alarm Contact ee 48 724 74
11. 6 5500 blackbox com Page 7 Table of Contents 5 5 1 5 2 5 3 5 4 APPENDIX A WARRANTY INFORMATION TROUBLESHOOTING cios anida 50 Before Calling for Assistance 51 When Calling for ASSIStance i 52 Return Material Authorization RMA Procedure 53 Shipping and Packaging Information Page 8 724 746 5500 blackbox com Chapter 1 Specifications 1 SPECIFICATIONS 1 1 Technical Specifications Ports Performance When a port is operating at 100Mbps Data Rate 100Mbps When a port is operating at 10 Mbps Data Rate 10 Mbps Network Standards 100Mb Ethernet IEEE 802 3u 100BASE TX 100BASE FX 10 Mb Ethernet IEEE 802 3 10BASE T PoE IEEE 802 3af Auto sensing for speed IEEE 802 3u Packet Processing Between Domains Filter and Forward Rate from 100Mbps ports 148 800 pps max Filtering and Forwarding Rate from 10 Mbps ports 14 880 pps max Processing type Store and Forward non blocking Auto learning 2K address table Address buffer age out time 300 sec Packet buffers memory 128KB dynamically shared on all domains Latency not including packet time 100 to 10 Mbps Sus 10 to 100Mbps 15us 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 with S Ring and RSTP for faster recovery in ring topology 724 746 5500 blackbox com Page 9
12. Ds for viewing status from any angle Each LPH240A Series PoE Edge Switch is equipped with two sets front and side of LEDs to provide status information when viewed at almost any angle or mounting arrangement whether panel or Din Rail mounted Rugged metal case Industrial grade LPH240A Series have a robust design and are packaged in a rugged sheet metal enclosure to ensure high reliability and durability even when placed in industrial or outdoor applications Qualified to use for temperature un controlled outdoor application The LPH240A Extreme rated versions of Edge Switches have an ambient temperature rating between 402C to 752C for DC models and qualify for temperature uncontrolled outdoor applications Efficient Compact design for all purpose convenient mounting Featuring a compact steel case with an internal AC and internal DC power supply LPH240A Series of Edge Switches can be installed in small spaces in cabinets on table tops in racks walls or DIN Rail mounted 724 746 5500 blackbox com Page 27 Chapter 2 Introduction MDIX ports to eliminate cross over cables while cascading AII the LPH240A Series Switches are featured with MDI X auto cross which easily allows cascading with other Switches Hubs or media Edges without using the cross over cable DC Power input for POE Power Source Switch The 802 3af PoE standard power source switch requires 1 4 Amp 48VDC to provide enough power for
13. E AC IEC320 connector for power input 6 port Extreme rated PoE 802 3af Power sourcing Edge switch four RJ 45 PoE one Multimode SC port non PoE one RJ45 non PoE AC 1EC320 connector for power input Same as above except a Singlemode SC replaces the Multimode SC port Same as above except a Multimode ST replaces the SC port 6 port Extreme rated PoE 802 3af Power sourcing Edge switch four RJ 45 PoE two Multimode SC port non PoE AC IEC320 connector for power input Same as above except a Singlemode SC replaces the Multimode SC port Same as above except a Multimode ST replaces the SC port 724 746 5500 blackbox com Page 17 Chapter 1 Specifications ALARM 10 100 penna lt LA 40 100 me 4 LPH240A H shown Page 18 724 746 5500 blackbox com Chapter 2 Introduction 2 INTRODUCTION 2 1 Inspecting the Package and Product Examine the shipping container for obvious damage prior to installing this product notify the carrier of any damage that you believe occurred during shipment or delivery Inspect the contents of this package for any signs of damage and ensure that the items listed below are included This package should contain 1 LPH2A0A PoE Edge Switch 1 Set of metal clips and screws for secure shelf or wall mounting 1 Installation and User Guide Remove the Hardened Industrial Switch from the shipping container Be sure to keep the shipping container in case yo
14. LPH240A H BLACK BOX LPH240A P NETWORK SERVICES Use this economical 6 port which has four 802 3af co Customer Order toll free in the U S Call 877 877 BBOX outside U S Support call 724 746 5500 FREE technical support 24 hours a day 7 days Information a week Call 724 746 5500 or fax 724 746 0746 Mailing address Black Box Corporation 1000 Park Drive Lawrence PA 15055 1018 Web site www blackbox com E mail info blackbox com Radio Interference Regulations Federal Communications Commission and Industry Canada 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 s instructions may cause interference to radio communication It has been tested and found to comply with the limits for a Class A computing device in accordance with the specifications in Subpart B of Part 15 of FCC rules which are designed to provide reasonable protection against such interference 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 to take whatever measures may be necessary to correct the interference Changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equi
15. c port supports 100Base FX with a choice of multimode SC ST or singlemode SC connectors By default factory settings is at Full duplex on fiber ports Page 12 724 746 5500 blackbox com Chapter 1 Specifications LED Indicators Front POWER Steady ON when power applied 10 100 Steady ON for 100Mbps OFF for 10 Mbps copper ports only LK ACT Steady ON for LINK LK with no traffic BLINKING indicates port is transmitting receiving ACT F H Steady ON for full duplex OFF for half duplex Fiber port only Mounting options Metal mounting clips for panel mounting included DIN Rail mounting option Model DIN RAIL MC2 see Section 3 4 Agency Approvals and Standards Compliance UL Listed UL 60950 cUL CE Emissions meets FCC Part 15 Class A IEC 61850 EMC and Operating Conditions Class C Power Substations IEEE 1613 Env Standard for Electrical Power Substations NEBS L3 and ETSI compliant including vibration shock and altitude NEMA TS 2 and TEES for traffic control equipment Warranty Three years return to factory Made in USA 724 746 5500 blackbox com Page 13 Chapter 1 Specifications 1 2 Ordering Information MODEL LPH240A H 48 LPH240A H SC 48 LPH240A H SSC 48 LPH240A H ST 48 LPH240A H 2SC 48 LPH240A H 2SSC 48 LPH240A H 2ST 48 DESCRIPTION 6 port Hardened rated PoE 802 3af Power sourcing Edge switch four RJ 45 PoE two RJ 45 port non PoE 48VDC terminal block f
16. cuando el equipo no sea usado por un largo periodo de tiempo Cuidado debe ser tomado de tal manera que objectos liquidos no sean derramados sobre la cubierta u orificios de ventilaci n Servicio por personal calificado deber ser provisto cuando A El cable de poder o el contacto ha sido da ado u B Objectos han ca do o l quido ha sido derramado dentro del aparato o C El aparato ha sido expuesto a la lluvia o D El aparato parece no operar normalmente o muestra un cambio en su desempe o o E El aparato ha sido tirado o su cubierta ha sido da ada 724 746 5500 blackbox com Page 5 Trademarks Used in this Manual 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 We re here to help If you have any questions about your application or our products contact Black Box Tech Support at 724 746 5500 or go to blackbox com and click on Talk to Black Box You ll be live with one of our technical experts in less than 30 seconds Page 6 724 746 5500 blackbox com Table of Contents Table of Contents 1 2 1 1 1 2 2 1 2 2 2 3 2 4 3 1 3 2 3 3 3 4 3 5 3 6
17. d Packets needed for maintaining the operation of the network such as occasional multi cast packets are forwarded to all ports The LPH240A Series Edge Switches operate in the store and forward switching mode which eliminates bad packets and enables peak performance to be achieved when there is heavy traffic on the network Switching Address Learning The LPH240A Series units have address table capacity of 2K node addresses and are suitable for use in large networks They are self learning so that as nodes are added or removed or moved from one segment to another the LPH240A Series switch automatically keeps up with node locations An address aging algorithm causes least used addresses to fall out in favor of new frequently used addresses To reset the address buffer cycle power down and up 724 746 5500 blackbox com Page 45 Chapter 4 Operation 4 2 Auto cross MDIX Auto negotiation and Speed sensing The RJ 45 ports support auto cross MDI or MDI X in the auto negotiation mode according to the IEEE 802 3u standard No crossover cables are needed on RJ 45 port when connecting the LPH240A Series to other unmanaged switches legacy hubs managed switches media converter etc Please note that there can be conditions with managed switches where the switch manager fixes the port settings via software and the result of the auto negotiation is changed in the managed switch by the manager commands In such cases the 10 100
18. d repair of product that is not under warranty will result in a customer user charge 724 746 5500 blackbox com Page 53 Chapter 5 Troubleshooting 5 4 Shipping and Packaging Information Should you need to ship the unit back to Black Box please follow these instructions 1 Package the unit carefully It is recommended that you use the original container if available Units should be wrapped in a bubble wrap plastic sheet or bag for shipping protection You may retain all connectors and this Installation Guide CAUTION Do not pack the unit in Styrofoam popcorn type packing material This material may cause electro static shock damage to the unit 2 Clearly mark the Return Material Authorization RMA number on the outside of the shipping container 3 Black Box is not responsible for your return shipping charges Ship the package to Black Box Network Services contact Black Box Tech support for information Page 54 724 746 5500 blackbox com Appendix A Warranty APPENDIX A WARRANTY INFORMATION Black Box warrants its products to be free from defects in materials and workmanship for a period of three 3 years from the date of shipment During this warranty period Black Box will repair or at its option replace components in the products that prove to be defective at no charge other than shipping and handling provided that the product is returned pre paid to Black Box This warranty will not be
19. effective if in the opinion of Black Box the product has been damaged by misuse misapplication or as a result of service or modification other than by Black Box Black Box reserves the right to make a charge for handling and inspecting any product returned for warranty repair which turns out not to be faulty 724 746 5500 blackbox com Page 55 Black Box Tech Support FREE Live 24 7 Tech support the amp BLACK BOX About Black Box Black Box Network Services is your source for more than 118 000 networking and infrastructure products You ll find everything from cabinets and racks and power and surge protection products to media converters and Ethernet switches all supported by free live 24 7 Tech support available in 20 seconds or less Copyright 2010 All rights reserved LPH240A rev 1 724 746 5500 blackbox com
20. f power to the electronics inside of the unit Page 48 724 746 5500 blackbox com Chapter 4 Operation Alarm terminal locations ivi L DOAZI LPH240A AC model 724 746 5500 blackbox com Page 49 Chapter 5 Troubleshooting 5 TROUBLESHOOTING All Black Box Ethernet products are designed to provide reliability and consistently high performance in all network environments The installation of Black Box LPH240A Switch is a straightforward procedure see INSTALLATION Section 3 0 the operation is also straight forward and is discussed in Section 4 Should problems develop during installation or operation this section is intended to help locate identify and correct these types of problems Please follow the suggestions listed below prior to contacting your supplier However if you are unsure of the procedures described in this section or if the LPH240A Switch is not performing as expected do not attempt to repair the unit instead contact your supplier for assistance or contact Black Box Technical Support at 724 746 5500 or info blackbox com Page 50 724 746 5500 blackbox com Chapter 5 Troubleshooting 5 1 Before Calling for Assistance 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 sure that the various components of the network are interoperable Check the cables and co
21. flexibility in a mixed speed network since LPH240A series switch ports are auto sensing for either 10 and 100Mbps Note that the auto cross function does not operate if the port is fixed or not supporting auto negotiation Page 38 724 746 5500 blackbox com Chapter 3 Installation 3 8 1 Connecting Twisted Pair RJ 45 CAT 3 or CAT 5 Unshielded or Shielded 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 1 Using standard twisted pair media insert either end of the cable with a RJ 45 plug into the RJ 45 connector of the port Note that even though the connector is shielded either unshielded or shielded cables and wiring may be used Connect the other end of the cable to the corresponding device Use the LINK LED to ensure proper connectivity by noting that the LED will be illuminated when the unit is powered and proper connection is established If this does not help ensure that the cable is connected properly and that the device on the other end is powered and is not defective For Port 1 or 1SW if the LINK LED is not illuminated move the switch which has a cross over or up link for linking to another hub or Switch 724 746 5500 blackbox com Page 39 Chapter 3 Installation 3 8 2 Connecting Fiber Optic ST type twist lock The following procedure a
22. ing The LPH240A Series 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 negotiation capability The switched RJ 45 ports are full or half duplex auto sensing for mode and speed and auto cross for plug polarity See Section 4 2 When the connected device is 10 Mbps the LPH240A obeys all the rules of 10 Mbps Ethernet configurations The 10 Mbps users can communicate with 100Mbps users as well as other 10 Mbps users through the switch Similarly the 100Mbps traffic obeys the rules of 100Mbps Ethernet and can communicate with 10 Mb and 100Mb users LPH240A Series units are plug and play devices There is no software configuring to be done at installation or for maintenance even for the LLL ports The internal functions of both are described below Page 44 724 746 5500 blackbox com Chapter 4 Operation 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 destination addresses lie on the same port segment will be filtered constraining them to one port and relieving the rest of the network from processing them A packet whose destination address is on another port segment will be forwarded to the appropriate port and will not be sent to the other ports where it is not neede
23. king devices to increase the efficiency of heavy duty industrial communications Furthermore using PoE switches like the LPH240A can produce significant cost savings as well as flexibility and reliability over traditional AC powered devices The simplicity of PoE increases reliability and reduces the overall cost of installation and operation 724 746 5500 blackbox com Page 21 Chapter 2 Introduction These are applications where the LPH240A can be used to provide the power and data for these PoE Powered Devices which require 12 13 watts maximum Wireless LAN access points and WLAN Mobility system VOIP phones Remote Security Camera SNTP Clock Factory floor and building control monitoring Temperature Smoke Heat and other environmental sensors Fire alarms Security devices like retinal scanners or fingerprint readers Lighting control Home automation systems The sleek and compact LPH240A featured with special thermal techniques for harsh temperatures and a hardened rugged enclosure provides a multi purpose choice for all PoE device applications The LPH240A is a very important source to meet all IEEE 802 3af compliant PoE requirements with multi choice options Page 22 724 746 5500 blackbox com Chapter 2 Introduction The LPH240A PoE Switch provides edge access Ethernet ports in a convenient and compact package For fiber connectivity of additional non PoE ports simply use port 1 and 2 two
24. le to transmit voice data and power from the attached devices The LPH240A Edge switches are Power Sourcing Equipment PSE and are fully compatible with Powered Devices PD e g wireless access points IP phones that comply with the IEEE 802 3af PoE standard NOTE Only PoE powered devices complying with IEEE 802 3af are recommended to work successfully with LPH240A power source PoE switches NON 802 3af compliant PD devices might have COMPATIBILITY issues and are not being supported with LPH240A PoE switches Page 20 724 746 5500 blackbox com Chapter 2 Introduction The LPH240A switch ports follow an auto sensing algorithm so that they provide power only to 802 3af POE end devices POE is managed by a multi stage handshake to protect equipment from damage and to manage power budgets The LPH240A ports will discontinue supplying power when the PoE powered devices are disconnected on incorrect impedance value LPH240A units support the 802 3af PoE PSE standard for over current protection under current detection and fault protection The LPH240A is an 802 3af standards compliant way to power and connect a few small Ethernet devices at the edge of a network where AC power is not cost effective to deploy Since PoE is rapidly emerging as an Ethernet option in industrial commercial outdoor and military applications the LPH240A is enabling the efficient deployment of reliable security cameras VoIP and wireless access networ
25. mounting spaces of the LE1505 RACK are specific to the LPH240A products and will not permit other models to be properly mounted In a typical installation the LE1505 RACK 19 rack mount tray will hold a few three to eight LPH240A Series Switches with their power supplies plugged into power strips not included in the rear area of the tray Metal mounting screws in the bottom front hold the Switches firmly in place The beveled top edge of the units permits the LEDs of each unit to be viewed for operational status even when the units are very close together Page 32 724 746 5500 blackbox com Chapter 3 Installation 3 3 LH1505P RACK for Rack Mounting 48V models only The LH1505P RACK is another option for rack mounting the LPH240A Switches together in a 19 rack mount tray These models come with a built in common universal AC power supply rated at 55 watts at 50 C ambient 9 VDC regulated output and supporting up to 10 Switches for LH1505P RACK The side view above is an example of an installation of the model LH1505P RACK 19 rack mount tray holding a few Switches each with their power input plugged into the built in common AC power supply in the rear area of the tray PS units that come with the MC s are not used Metal mounting screws in the bottom front hold each of the media converters securing them in the tray and enabling separate removal for service The dual LEDs permit viewing of Switch status from
26. nding traffic which allows a traffic catch up to occur without dropping packets Then normal packet buffering and processing resumes This flow control sequence occurs in a small fraction of a second and is transparent to an observer Page 24 724 746 5500 blackbox com Chapter 2 Introduction Another feature implemented in LPH240A Series Edge Switches 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 a collision signal on all receiving half duplex ports in order to stop incoming traffic The latency the time the frame spends in the Switch before it is sent along or forwarded to its destination of the LPH240A Series PoE Edge Switches varies with the port speed types The length of the frame is a variable as it is with all store and forward switches For 10 Mb to 10 Mb 10 Mb to 100Mb or 100Mb to 10 Mb forwarding the latency is 15 microseconds plus the packet time of 10 Mb For 100Mb to 100Mb forwarding the latency is 5 microseconds plus the packet time of 100Mb 724 746 5500 blackbox com Page 25 Chapter 2 Introduction 24 Features and Benefits Full 100Mb or 10 Mb switching services for high performance Ethernet LPH240A Series PoE Switches provide Fast Ethernet switching on all ports They perform high speed filter forward operations on the traffic giving each
27. nnectors to ensure that they have been properly connected and the cables wires have not been crimped or in some way impaired during installation About 90 of network downtime can be attributed to wiring and connector problems If the problem is isolated to a network device other than the LPH240A 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 4 below If the problem is corrected the LPH240A Switch and its associated cables are functioning properly If the problem continues after completing Step 3 above contact your supplier of the LBHO8x LBH18x Industrial Switch unit or if unknown contact Black Box Tech support see page 4 of this guide for assistance 724 746 5500 blackbox com Page 51 Chapter 5 Troubleshooting 5 2 When Calling for Assistance Please be prepared to provide the following information 1 A complete description of the problem including the following points a The nature and duration of the problem b Situations when the problem occurs c The components involved in the problem d Any particular application that when used appears to create the problem An accurate list of Black Box product model s involved with serial number s Include the date s that you purchased the products from your supplier It is useful to include other network equipment models and related hardwa
28. o filter frames with a bad CRC the entire frame must be present in order for CRC to be calculated Since collisions and bad packets are more likely when traffic is heavy store and forward switch technology enables more bandwidth to be available for good packets when the traffic load is greatest To minimize the possibility of dropping frames on congested ports each LPH240A Series Edge Switch dynamically allocates buffer space from a 128KB memory pool ensuring that heavily used ports receive very large buffer space for packet storage 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 dynamic buffer allocation provides the capability for the maximum resources of the LPH240A Series unit to be applied to all traffic loads even when the traffic activity is unbalanced across the ports Since the traffic on an operating network is constantly varying in packet density per port and in aggregate density the LPH240A Series Edge Switches are constantly adapting internally to provide maximum network performance with the least dropped packets When the Switch detects that its free buffer queue space is low the Switch sends industry standard full duplex only PAUSE packets out to the devices sending packets to cause flow control This tells the sending devices to temporarily stop se
29. ones de operaci n Todo otro servicio deber ser referido a personal de servicio calificado El aparato el ctrico debe ser situado de tal manera que su posici n no interfiera su uso La colocaci n del aparato electric sobre una cama sof alfombra o superficie similar puede bloquea la ventilaci n no se debe colocar en libreros o gabinetes que impidan el flujo de aire por los orificios de ventilaci n El equipo el ctrico deber ser situado fuera del alcance de fuentes de calor como radiadores registros de calor estufas u otros aparatos incluyendo amplificadores que producen calor Page 4 724 746 5500 blackbox com NOM Statement 11 12 13 14 15 16 17 18 El aparato el ctrico deber ser connectado a una fuente de poder s lo del tipo descrito en el instructivo de operaci n o como se indique en el aparato Precauci n debe ser tomada de tal manera que la tierra fisica y la polarizaci n del equipo no sea eliminada Los cables de la fuente de poder deben ser guiados de tal manera que no sean pisados ni pellizcados por objetos colocados sobre o contra ellos poniendo particular atenci n a los contactos y recept culos donde salen del aparato El equipo el ctrico debe ser limpiado nicamente de acuerdo a las recomendaciones del fabricante En caso de existir una antena externa deber ser localizada lejos de las lineas de energia El cable de corriente deber ser desconectado del
30. ontrolled location models have closed cases to withstand dirt and use special thermal techniques to transfer heat to the outside of the case for cooling ALARM RELAY Terminal Block H and P models only two screw terminals Internal 60VA relay contact Open for power Off closed for power On Hardware Mean Time Between Failure MTBF over 15 years Telcordia Bellcore Method 724 746 5500 blackbox com Page 11 Chapter 1 Specifications Direct DC POWER SUPPLY built in terminal block for ground 48V DC internal range 46 to 60V DC ground Total power input required for PoE ports 66 Watts max OR 1 4A 48VDC Power Consumption Typical 3 5 watts 4 watts max All six copper ports Power Consumption Typical 7 watts 8 5 watts max 4 PoE 2 non PoE fiber port AC POWER SUPPLY using an external power adapter LPH240A X XX 48 models have an 8 15 VDC 2 5 mm center ve jack Option for 12VDC jack for wall mount only be used to power the LPH240A unit when no PoE devices are attached act as non PoE switch AC POWER SUPPLY using internal IEC320 connection LPH240A X XX models have an standard worldwide AC 100 250 VAC power input via IEC320 male recessed UL listed and surge protected connector Port Connectors RJ 45 Ports supports 100BASE TX and 10BASE T with auto cross MDIX They are shielded 8 pin female connectors for shielded STP and unshielded UTP Cat 3 4 5 cable Fiber opti
31. or power input 6 port Hardened rated PoE 802 3af Power sourcing Edge switch four RJ 45 PoE one Multimode SC port non PoE one RJ45 non PoE 48VDC terminal block for power input Same as above except a Singlemode SC replaces the Multimode SC port Same as above except a Multimode ST replaces the SC port 6 port Hardened rated PoE 802 3af Power sourcing Edge switch four RJ 45 PoE two Multimode SC port non PoE 48VDC terminal block for power input Same as above except a Singlemode SC replaces the Multimode SC port Same as above except a Multimode ST replaces the SC port Page 14 724 746 5500 blackbox com Chapter 1 Specifications Ordering Information con t MODEL LPH240A P 48 LPH240A P SC 48 LPH240A P SSC 48 LPH240A P ST 48 LPH240A P 2SC 48 LPH240A P 2SSC 48 LPH240A P 2ST 48 DESCRIPTION 6 port Extreme rated PoE 802 3af Power sourcing Edge switch four RJ 45 PoE two RJ 45 ports non PoE 48VDC terminal block for power input 6 port Extreme rated PoE 802 3af Power sourcing Edge switch four RJ 45 PoE one Multimode SC port non PoE one RJ 45 non PoE 48VDC terminal block for power input Same as above except a Single mode SC replaces the Multimode SC port Same as above except a Multimode ST replaces the SC port 6 port Extreme rated PoE 802 3af Power sourcing Edge switch four RJ 45 PoE two Multimode SC port non PoE 48VDC terminal block for
32. plies to installations using SC type fiber connectors i e using multi mode SC and SC single mode While connecting 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 connectors Single mode fiber cable has a smaller diameter than multi mode fiber cable 9 125 microns for single mode 50 125 or 62 5 125 microns for multi mode where xx xx are the diameters of the core and the core plus the cladding respectively Single mode fiber allows full bandwidth at longer distances about 20Km with the Single mode SC The same procedures as for multi mode fiber apply to single mode fiber connectors Follow the steps listed in Section 3 8 2 above 724 746 5500 blackbox com Page 41 Chapter 3 Installation 3 8 5 Power Budget Calculations Fiber Media Receiver Sensitivity and Transmitter Power are the parameters necessary to compute the power budget To calculate the power budget of different fiber media installations using Black Box Heavy Duty Edge Switches the following equations should be used OPB Optical Power Budget P min Pa min where Py Transmitter Output Power and Pr Receiver Sensitivity Worst case OPB OPB 1dB for LED aging 1dB for insertion loss Worst case distance Worst case OPB in dB
33. pment 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 Industry Canada Le pr sent appareil num rique n met pas de bruits radio lectriques d passant les limites applicables aux appareils num riques de la classe A prescrites dans le R glement sur le brouillage radio lectrique publi par Industrie Canada 724 746 5500 blackbox com Page 3 NOM Statement Instrucciones de Seguridad Normas Oficiales Mexicanas Electrical Safety Statement 1 10 Todas las instrucciones de seguridad y operaci n deber n ser le das antes de que el aparato el ctrico sea operado Las instrucciones de seguridad y operaci n deber n ser guardadas para referencia futura Todas las advertencias en el aparato el ctrico y en sus instrucciones de operaci n deben ser respetadas Todas las instrucciones de operaci n y uso deben ser seguidas El aparato el ctrico no deber ser usado cerca del agua por ejemplo cerca de la tina de ba o lavabo s tano mojado o cerca de una alberca etc El aparato el ctrico debe ser usado nicamente con carritos o pedestales que sean recomendados por el fabricante El aparato el ctrico debe ser montado a la pared o al techo s lo como sea recomendado por el fabricante Servicio El usuario no debe intentar dar servicio al equipo el ctrico m s all a lo descrito en las instrucci
34. power input Same as above except a Single mode SC replaces the Multimode SC port Same as above except a Multimode ST replaces the SC port 724 746 5500 blackbox com Page 15 Chapter 1 Specifications Ordering Information con t MODEL LPH240A H LPH240A H SC LPH240A H SSC LPH240A H ST LPH240A H 2SC LPH240A H 2SSC LPH240A H 2ST DESCRIPTION 6 port Hardened rated PoE 802 3af Power sourcing Edge switch four RJ 45 PoE two RJ 45 ports non PoE AC 1EC320 connector for power input 6 port Hardened rated PoE 802 3af Power sourcing Edge switch four RJ 45 PoE one Multimode SC port non PoE one RJ45 non PoE AC 1EC320 connector for power input Same as above except a Single mode SC replaces the Multimode SC port Same as above except a Multimode ST replaces the SC port 6 port Hardened rated PoE 802 3af Power sourcing Edge switch four RJ 45 PoE two Multimode SC port non PoE AC IEC320 connector for power input Same as above except a Single mode SC replaces the Multimode SC port Same as above except a Multimode ST replaces the SC port Page 16 724 746 5500 blackbox com Chapter 1 Specifications Ordering Information con t MODEL LPH240A P LPH240A P SC LPH240A P SSC LPH240A P ST LPH240A P 2SC LPH240A P 2SSC LPH240A P 2ST DESCRIPTION 6 port Extreme rated PoE 802 3af Power sourcing Edge switch four RJ 45 PoE two RJ45 port non Po
35. pplies to installations using ST type fiber connectors This procedure applies to ports using multi mode ST fiber connectors 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 connectors with a soft cloth or lint free lens tissue dampened in alcohol Make certain the connectors are clean before connecting Note One strand of the duplex fiber optic cable is coded using color bands at regular intervals you must use the color coded strand on the associated ports at each end of the fiber optic seqment 3 Connect the Transmit TX port light colored post on the Fiber port to the Receive RX port of the remote device Begin with the color coded strand of the cable for this first TX to RX connection 4 Connect the Receive RX port dark colored post to the Transmit TX port of the remote device Use the non color coded fiber strand for this 5 The LINK LED on the front of the fiber connector will illuminate when a proper connection has been established at both ends and when power is ON in the unit If LINK is not lit after cable connection the normal cause is improper cable polarity Swap the fiber cables at the fiber connector to remedy this situation Page 40 724 746 5500 blackbox com Chapter 3 Installation 3 8 3 Connecting Fiber Optic SC type Snap In The following procedure ap
36. re including personal computers workstations terminals and printers plus the various network media types being used A record of changes that have been made to your network configuration prior to the occurrence of the problem Any changes to system administration procedures should all be noted in this record Page 52 724 746 5500 blackbox com Chapter 5 Troubleshooting 5 3 Return Material Authorization RMA Procedure All returns for repair must be accompanied by a Return Material Authorization RMA number To obtain an RMA number please contact Black Box Tech support Please have the following information readily available Name and phone number of your contact person Name of your company institution Your shipping address Product name Serial Number or Invoice Number Packing List Number or Sales Order Number Date of installation Failure symptoms including a full description of the problem Black Box will carefully test and evaluate all returned products will repair products that are under warranty at no charge and will return the warranty repaired units to the sender with shipping charges prepaid see Warranty Information Appendix A for complete details However if the problem or condition causing the return cannot be duplicated by Black Box the unit will be returned as No Problem found Black Box reserves the right to charge for the testing of non defective units under warranty Testing an
37. speed or the F H mode may be affected but auto cross in the LPH240A switches will still work The auto cross function cannot be disabled When an RJ 45 cable connection is made and each time LINK is enabled auto negotiation takes place except for legacy products which do not have auto negotiation and which go to the default state accordingly The LPH240A Switches advertises its capability for 10 or 100 Mbps speed and F H duplex mode and the device at the other end of the cable should similarly advertise respond Both sides will agree to the speed and mode to be used per the IEEE 802 3u standard Depending upon the devices connected this will result in agreement to operate at either 10 Mbps or 100Mbps speed and full or half duplex mode Page 46 724 746 5500 blackbox com Chapter 4 Operation 4 3 LED PWR LK ACT 10 100 Dual LEDs Front panel and side panel Description Illuminates GREEN to indicate power applied Steady ON for LINK w no traffic blinking for activity per port LINK will turn off in the event connectivity is lost between the ends of the twisted pair segment or a loss of power occurs in the unit or remote device The Link ports are also represented by LA1 LA2 LA3 LA6 Steady On or steady Off indicates no Receive Activity Steady ON for 100Mb speed OFF for 10Mb speed per port copper ports F H FH1 FH2 Steady ON for Full duplex F D mode OFF for Half duplex H D mode per port For
38. top as shown on above picture with arrow NOTE Always use a voltmeter to measure the voltage of the incoming power supply and figure out the ve potential lead or ve potential lead The more ve potential lead will connect to the post labeled ve and the rest to the ve The GND can be hooked up at the last When power is applied the green PWR LED will illuminate 724 746 5500 blackbox com Page 37 Chapter 3 Installation 3 8 Connecting Ethernet Media The LPH240A Series PoE Edge Switches can be connected to two media types i e fiber and copper RJ 45 types run at 100BASE TX 10BASE T and 100BASE FX only CAT 5 cables should be used when making 100BASE TX connections When the ports are used as 10BASE T ports CAT 3 may be used In either case the maximum 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 distance and higher bandwidths as compared to copper wiring Media IEEE Standard Connector Twisted Pair CAT 3 or 5 10BASE T RJ 45 Twisted Pair CAT 5 100BASE TX RJ 45 Fiber Multi mode 100BASE FX ST SC Fiber Single mode 100BASE FX SC NOTE lt is recommended that high quality CAT 5 cables which work for both 10 Mbps and 100Mbps be used whenever possible in order to provide
39. u need to ship the unit at a later date If items are missing or damaged contact Black Box Technical Support at 724 746 5500 or info blackbox com If you need to return the unit use the original shipping container Refer to Chapter 5 Troubleshooting for specific return procedures 724 746 5500 blackbox com Page 19 Chapter 2 Introduction 2 2 Product description LPH240A Industrial PoE switch is a reliable and premium rated Industrial Ethernet product Switch Strictly designed to be IEEE 802 3af compatible the 4 port PoE Edge switch not only provides PoE options on port 3 4 5 and 6 but is also equipped with a LLL Link Loss Learn feature on port 1 and 2 for use in self healing redundant LAN structures Enclosed in a rugged enclosure designed and developed with premium grade extended temperature components Industrial rated LPH240A PoE Edge switches are suitable for use in sheltered outdoor locations and temperature uncontrolled environments with a temperature rating of 40 C to 75 C The LPH240A PoE Power source Edge Switch combines standard 802 3af Power over Ethernet PoE with a small heavy duty 4 port PoE ports and 2 100Mb Fiber or 10 100 RJ 45 ports as per the user requirement Using an external 48vdc power source all four of the LPH240A s Ethernet ports can provide Power as well as 10 100 Mb data transmission over the interconnecting Ethernet cables So a single Ethernet twisted pair RJ 45 cable will be ab
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