Make better use of your fiber optic runs with these Layer
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1. z Main fiber link Sig At 1000 Mbps Express Ethernet Switch LB9021A Main fiber link at 100 Mbps Servers PC Ring Topology Application Remote 6 Remote connection Remote 3 PCs Remote 5 Cameras Express Ethernet Switch LB9021A a iae MultiLink II Media Converters ET Unmanaged Multimode SC LB1301A SC MultiLink II Media Converters Unmanaged Multimode SC LB1301A SC Remote 1 Wind farm Remote 4 Network servers Remote 2 Water treatment lt BLACK BOX blackbox com 2 of 5 4 24 2007 26437 724 746 5500 OVERVIEW The MultiLink and MultiLink II are sophisticated Layer 2 media converters that enable you to not only extend your network over fiber but to combine two three or four copper ports over a single or dual fiber link Because you re getting more use from each fiber optic cable you save on cabling costs The MultiLink and MultiLink II feature buffering tech nology that enables you to communicate across greater distances and provide greater flexibility for planning a network Because these devices rely on non repeater full retiming technology they won t contribute to your network s repeater count Three separate functions in one unit e Secure Ethernet Switch Ethernet switching that keeps each copper port isolated in its own secure VLAN protected broadcast domains e2. MultiLink The MultiLink aggregates as many as four Ethernet or Fast Ethernet links over a single pair of multimode or single mode fiber The unmanaged version LB1350A can be set for band width priority on the fourth UTP port This preferred port can be used for a user who needs a lot of bandwidth Use these media converters in a campus environment for example to connect individual departments or buildings via fiber to your enterprise switch This way you not only stretch your network connections but increase data security while minimizing the effects of electromagnetic interference on your data links MultiLink is also the ideal solution for remote locations with just a handful of workstations and no great need for a dedicated switch or hub Or use it in fiber to the home FTTH or fiber to the desktop FTTD applications You can connect four homes or workstations to a fiber optic backbone over one pair of fibers with the MultiLink MultiLink Il The BLACK BOX MultiLink II features two copper ports and two fiber ports The buffered twisted pair ports offer VLAN protection between them The second fiber port pro vides the means to add a redundant fiber link and can also be used to install MultiLink Il in a ring or string topology to extend your network Redundant link for emergency backup Combine two copper ports across one fiber link with another fiber link in reserve as a backup in case the primary link goes down When us
3. copper ports automatically adapt to work at the highest possible performance although forced operation may be required in some situations Many 100BASE TX to 100BASE FX media converters use repeater technology so they become blackbox com part of the collision domain introduce additional delay to the network and contribute to the repeater count With MultiLink Converters you have no such worries They take a non repeater full retiming approach by creating a Buffered Media Domain BMD Easy setup and troubleshooting The autonegotiating twisted pair ports adapt auto matically to the highest performance possible whether it s 10 or 100 Mbps speeds or half or full duplex And the autocross function on copper ports means there s no need to swap out straight through cables for crossover ones All models have a Far End Fault FEF feature When enabled FEF alerts you to problems on the connected fiber optic segment If fiber optic link loss is detected on the remote side and if the remote device supports FEF a Far End Fault signal is relayed back to the local device alerting you to silent failures on your network through an LED Front panel diagnostics inform you of every port s operating mode Each copper port has three status LEDs link activity duplex mode and connection speed and each fiber port has two status LEDs link activity and duplex mode Install the MultiLink or MultiLink Il in a 19 rack or cabinet or simpl
4. Ethernet Switch In this application the MultiLink and MultiLink Il operate as a conventional Ethernet switch e Media Converter MultiLink and MultiLink II can also be used as simple Layer 2 copper to fiber media converters Secure Ethernet switch functionality MultiLink and MultiLink Il keep each 10BASE T 100BASE TX port isolated in secure VLAN protected broadcast domains Each fiber port has a broadcast domain too but it s also a member of the copper domains This means users attached to the copper ports can network with resources attached to a fiber port only With this level of security the MultiLink is ideal for service providers who use a common fiber link to distribute services to multiple users but also want to keep each user port isolated from other user ports Ethernet switch functionality To deploy the MultiLink or MultiLink Il as an ordinary Ethernet switch just flip a DIP switch on the front panel Doing this disables port based VLANs pre set in the firmware and puts all ports within the same bandwidth domain You can then operate the MultiLink as a conventional store and forward switch complete with a 1K MAC address table and 300 seconds aging Media converter functionality When used as a converter the MultiLink or MultiLink II provides Layer 2 copper to fiber conversions while auto negotiating 10 100 Mbps connections on the copper side and making 100 Mbps connections on the fiber side In most cases the
5. MultiLink and MultiLink IlI Media Converters 0101010101010110011 1ONODNOTO 00o J1011111010101010101011 110110110010101 Make better use of your fiber optic runs with these Layer 2 copper to fiber converters 4 24 2007 26437 FEATURES e Layer 2 switching media conversion with custom VLAN support Distances up to 40 kilometers with SM40 models Managed and unmanaged models Twisted pair ports autonegotiate for 10 or 100 Mbps speed MultiLink aggregates multiple 10 100 copper links over a single fiber pair MultiLink Il connects two 10 100 copper links over a primary fiber pair If the primary one fails MultiLink II sends data via a second fiber pair Daisychain MultiLink II in a ring or string topology to extend your network 724 746 5500 Corporate Network Application Managed Express Ethernet Switch LB9030A High Density Media Converter II Chassis LMC5201A with 10 100 Mbps Module High Density Media Converter II Chassis LMC5201A with 10 100 Mbps Module MultiLink Media LMC5119C DNN v4 astan MultiLink Media Converter Managed a p _ Converter Managed Multimode ST m ae mae Multimode ST LB1350A ST ii LB1350A ST s E MultiLink Media Converter Managed Multimode ST LB1350A ST Redundant Link Application MultiLink II Media Converter Managed Multimode SC LB1302A SC Express Ethernet Switch LB9021A Connection to other high speed networks
6. ST 1 Single Mode 1310 um 15 kilometers SC LB1351A SM15 1 Single Mode 1310 um 40 kilometers SC LB1351A SM40 blackbox com MultiLink Il Converters Approvals UL 1950 FCC Part 15 Class A CE Conversion Method Buffered Media Domain BMD Distance Maximum LB1301A SC LB1301A ST LB1302A SC LB1302A ST 2 km 1 2 mi LB1301A SM15 LB1302A SM15 15 km 9 3 mi LB1301A SM40 LB1302A SMA40 40 km 24 9 mi Hardware Type Store and forward wire speed non blocking switch MIBs Supported Managed models only MIB II RFC 1213 1215 RFC 2474 DSCP private MIBs Protocol Transparent auto learning switch Speed Maximum Switching fabric 1 4 Gbps On UTP and fiber optic ports 10 or 100 Mbps half duplex 20 or 200 Mbps full duplex Standards IEEE 802 3u IEEE802 1p 100BASE TX 100BASE FX 10BASE T FDX flow control HDX back pressure flow control Connectors LB1301A models 2 RJ 45 2 pair SC or ST LB1302A models 2 RJ 45 2 pair SC or ST 1 4 pin DIN RS 232 All 1 3 prong IEC power Indicators All 12 LEDs 3 per each 10 100 port Link Activity 100M 2 on fiber optic port Link Activity FDX 1 Power 1 Test LB1302A models also have 1 RCV and 1 Ready LED Temperature Tolerance Operating 32 to 113 F 0 to 45 C Storage 22 to 149 F 30 to 65 C Humidity Tolerance 10 to 90 noncondensing Power 100 240 VAC 50 60 Hz autosensing internal powe
7. ed to establish a redundant link the MultiLink II is ideal for a mission critical application It gives you peace of mind when you want to be sure that the connec tion between your network devices and fiber infrastructure is always available In a typical redundant link application a pair of MultiLink Ils are installed between network devices and the fiber optic cable with each unit having two ports connected between them one for primary communications and the other for standby If the primary fiber link fails the MultiLink II units recognize the loss of link signals and automatically switch communications from the primary to the backup fiber link When link signal is restored to the primary link communi cations are automatically switched back to it NOTE You can also use a single MultiLink II to establish a backup fiber optic link but you must first ensure that the fiber devices attached to its ports support this type of configuration blackbox com Daisychain for network extension Set up to operate as a 4 port switch the MultiLink II can operate as an add drop multiplexor ADM access device for interconnecting dozens of network devices within a ring or string architecture Setting up your network with ring or string configurations enables you to do a lot more with less fiber It s particularly useful in highway or railway control or video surveillance applications where you want to interlink control or surveill ance stati
8. m 24 9 mi Hardware Type Store and forward wire speed non blocking switch MIBs Supported Managed models only MIB II RFC 1213 1215 RFC 2474 DSCP private MIBs Protocol Transparent auto learning switch Speed Maximum Switching fabric 1 4 Gbps On UTP and fiber optic ports 10 or 100 Mbps half duplex 20 or 200 Mbps full duplex Standards IEEE 802 3u IEEE802 1p 1OOBASE TX 100BASE FX 10BASE T FDX flow control HDX back pressure flow control Connectors LB1350A models 4 RJ 45 1 pair SC or ST LB1351A models 3 RJ 45 1 pair ST 1 4 pin DIN RS 232 All 1 3 prong IEC power Indicators All 12 LEDs 3 per each 10 100 port Link Activity FDX 100M 2 on fiber optic port Link Activity FDX 1 Power 1 Test LB1351A models also have 1 RCV and 1 Ready LED Temperature Tolerance Operating 32 to 113 F 0 to 45 C Storage 4 to 176 F 20 to 80 C Humidity Tolerance 10 to 90 noncondensing Power 100 240 VAC 50 60 Hz autosensing internal power supply Size 1 7 Hx8 8 W x 5 9 D 4 3 x 22 4 x 15 cm Weight 1 3 Ib 0 6 kg MultiLink Media Converters Managed 3 10BASE T 100BASE TX to 1 Multimode 1310 um 2 kilometers SC LB1350A SC ST LB1350A ST 1 Single Mode 1310 um 15 kilometers SC LB1350A SM15 1 Single Mode 1310 um 40 kilometers SC LB1350A SM40 Unmanaged 4 10BASE T 100BASE TX to 1 Multimode 1310 um 2 kilometers ST LB1351A
9. ons over fiber optic Specifically you can place a MultiLink II at each station in the ring or string with one 100BASE FX port on each unit devoted to an upstream MultiLink Il connection and the other 100BASE FX port linked to the downstream MultiLink II connection At each station you can then connect control and monitoring equipment via twisted pair cable to the MultiLink Il s two 10BASE T 100BASE TX ports By creating a Buffered Media Domain BMD the MultiLink Il enables you to extend a network in any network architecture no matter how many repeaters are present and still see maximum performance You can expect this performance even in a network where your interconnected devices operate at different rates and modes WHAT S INCLUDED Media converter unit Strip of 4 adhesive plastic feet for anti skid desktop placement 1 AC power cord User manual Managed models only 1 6 foot 1 8 m 4 pin DIN male to DB9 female console cable Managed models only Floppy diskette with MIBs lt BLACK BOX 4of5 4 24 2007 26437 MultiLink Media convertor LB1350A SC 724 746 5500 MultiLink Converters Approvals UL 1950 1955 EN60950 FCC Part 15 Subpart A Class A VCCI Class ICES EMC CE Conversion Method Buffered Media Domain BMD Distance Maximum LB1350A SC LB1350A ST LB1351A ST 2 km 1 2 mi LB1350A SM15 LB1351A SM15 15 km 9 3 mi LB1350A SM40 LB1351A SMA40 40 k
10. r supply Size 1 6 H x 8 7 W x 5 9 D 4 1 x 22 1 x 15 cm Weight 2 Ib 0 9 kg MultiLink II Media Converters Unmanaged 2 10BASE T 100BASE TX to 2 Multimode 1310 um 2 kilometers SC LB1301A SC ST LB1301A ST 2 Single Mode 1310 um 15 kilometers SC LB1301A SM15 2 Single Mode 1310 um 40 kilometers SC LB1301A SM40 Managed 2 1OBASE T 100BASE TX to 2 Multimode 1310 um 2 kilometers SC LB1302A SC ST LB1302A ST 2 Single Mode 1310 um 15 kilometers SC LB1302A SM15 2 Single Mode 1310 um 40 kilometers SC LB1302A SM40 Duplex Fiber Optic Cable PVC ST ST Custom Lengths EFN062 CC Multimode Duplex Fiber Optic Cable PVC SC SC Custom Lengths EFN4025 Single Mode Duplex Fiber Optic Cable PVC SC SC Custom Lengths EFN5010 lt BLACK BOX 5of5 NETWORK SERVICES
11. y use as a desktop device Three mounting holes enable the unit to be installed either horizontally or vertically on a wall Choose managed models for extra control Managed models of the MultiLink and MultiLink II have a front panel console port for access to management features Manage them using full in band SNMP via a management station platform such as HP OpenView and SNMPc by loading a MIB file when configuring the device Using the terminal connection you can override DIP switch settings and monitor the device A basic text menu prompts you through all options for setting network console and SNMP parameters Port priority schemes on managed models enable you to specify high or low priority to traffic it processes This can be done on a per port basis in which all traffic from a specified input port is considered high priority or through 802 1 Port Priority in which the inbound port examines the priority field within a VLAN tag to determine high or low priority Set outbound priority too through the DSCP Port Priority function Managed models also offer protection against broadcast storms activity which can overload your network and slow it down To counter this type of activity the managed MultiLink and MultiLink Il models enable you to specify the relative amount of broadcast traffic that can be forwarded by the device as much as 25 and as little as 3 lt BLACK BOX 3 GS 4 24 2007 26437 724 746 5500
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