Transition Networks E-PSW-TX
Contents
1. TRANSITION NETWORKS POCKET SWITCH TECHNICAL SPECIH CATIONS Standards IEEE 802 3 IEEE 802 3u Dimension 4 75 X 5 75 X 1 0 120mm x 146mm x 25mm Power Supply NOTE Replace power supply only with the equivalent input rating see below and output rating regulated 12VDC at 1 5 A Transition Nehwonks TN PN Requirement Location 3507 240 volts 50 hertz United Kingdom Pocket Snitch 3342 230 volts 50 hertz Europe 3340 120 volts 60 hertz USA Canada M exico E PSW TX O2 E PSW FX 02 3346 100 volts 50 60 hertz Japan z 3511 240 volts 50 hertz Australia 3537 with power cord 3522 South Africa 33015 B Environment Temperature 0 50 C 32 to 122 F Humidity 10 90 non condensing For assistance in installing using or Altitude 0 10 000 feet i P maintaining the TRANSITION Networks Warranty Pocket Switch contact TRANSITION ss a Networks Technical Support at Lifetime 800 260 1312 or contact your local distributor 29 Transition Networks CAUTION RJ connectors are NOT INTENDED FOR CONNECTION TO THE PUBLIC TELEPHONE NETWORK Failure to observe this caution could result in damage to the public telephone network Der Anschluss dieses Ger tes an ein 6ffentlickes Telekommunikationsnetz in den EG Mitgliedstaaten verst sst gegen die jeweligen einzelstaatlichen Gesetze zur Anwendung der Richtlinie 91 263 EWG zur Angleichung der Rechtsvorschriften der Mitgliedstaaten Uber Telekommunikation2. 800 LAN WANS Pocket Switch 24 4 OPERATION The Transition Networks pocket switch requires no operator intervention beyond occasionally monitoring LED status indicators 100BASE FX 10 100 10 100 PORO Power LED Indicator Port 2 LED Indicators Port 1 LED Indicators POWER Steady green LED indicates connection to external AC power NOTE The port LED indicators provide separate data for each port 100 MB S Steady green LED indicates that port transmits and receives at 100 Mb s L INK Steady green LED indicates port link connection is active H ALF D UPLEX Steady green LED indicates port sends and receives data simultaneously over same cable R ECHVE Blinking green LED indicates port is receiving data 23 Transition Networks Connectors Switches and Indicators Port 1 1OOBASE FX Connector Port 1 LOBASE T 100BASE TX Connector Port 2 1OBASE T 100BASE TX Connector 100BASE FX 10 100 10 100 100 100 L L Power O E ee es ee HD R HD R Power LED Indicator Port 2 LED Indicators Port 1 LED Indicators Connectors ON PORT 1 One 1 10 100Mb s RJ 45 twisted pair connector AND E PSW FX 02 only one 1 LOOMb s ST fiber connector pair ON PORT 2 One 1 10 LOOMb s RJ 45 twisted pair connector LED Indicators POWER Steady green LED indicates connection to external AC power NOTE The port LED indicators provide separate data for each port 100 MB S Steady green
3. collision domain can have ONLY ONE CLASS repeater OR TWO CLASS II repeaters Refer to the 512 Bit Rule page18 regarding Fast Ethernet collision domains before installing half duplex 100BASE FX cable lt 415 meters INSTALLING CABLE To install LOOBASE FX cable 1 Locate or build 1OOBASE FX cables with the following characteristics e 803 2u compliant See page 28 e male ST transmit and receive fiber connectors installed at both cable ends 2 AtTransition Networks pocket switch connect transmit cable connector at one end of fiber cable to ST connector marked with an outbound arrow connect receive cable connector to ST connector marked with an inbound arrow 3 Connect cable installed at transmit TX connector of Transition Networks pocket switch at receive RX connector of device at other end connect cable installed at receive RX connector at transmit TX connector of device at other end of fiber cable 21 Transition Network When installed in a legacy LOBASE T Ethernet network the Transition Networks pocket switch segments network traffic on the original 10Mb s Ethernet collision domain into two distinct 10M b s Ethernet collision domains y Cenc Collision pa 3 Existing 10 Mb s Network N 100 meters Install Transition Networks Pocket Switch To Divide Repeater Stack Collision Domain 2 1 cD Collision p gt y cD L oh s
4. meters TP 1 11BT meter 111BT Full Duplex Fiber NO Collision Domain Switch 92BT Switch 5 meters TP 1 11BT meter 111BT Collision Domain 5 55BT Class II 50 00BT Hub Class 111 00BT 92BT Hub 140 00BT 140BT 111 00BT Collision Domain 20 0081 100 meters TP 1 11BT meter 50 00BT 462 00BT aT 111 00BT 92 00BT 45 55BT 92 00BT DTE 50BT 111 00BT DTE 50BT 50 00BT 511 55BT NOTE Actual manufacturers bit time values or measured bit time values may be greater or less than bit time values listed in the chart Pocket Switch 18 Installing Network Cable continued The 5 Segment Rule LOOBASE T The Ethernet LOBASE T 5 segment rule defines a segment as the cable connection between station interfaces The transmission path between any two terminal devices in the same collision domain can consist of no more than five segments Installing the Transition Networks pocket switch in the network separates collision domains so the 1OBASE T 5 segment rule applies separately to each collision domain Collision Domain Collision Domain hub hub hub hub hub hub 4 6 hub hub ei ASSIGNING SEGMENT NUMBERS To assign segment numbers to cable connections 1 Determine the network device separated from the Transition Networks pocket switch by the greatest number of segm
5. will repair the item s at a minimum charge of USD 200 two hundred U S dollars per item THIS IS THE EXCLUSIVE REMEDY FOR ANY BREACH OF WARRANTY IN NO EVENT SHALL TRANSITION NETWORKS BE LIABLE FOR SPECIAL INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND WHETHER FOR BREACH OF ANY CONDITION OF SALE FOR NEGLIGENCE ON THE BASIS OF STRICT LIABILITY CONTRACT OR OTHERWISE AND IRRESPECTIVE OF WHETHER TN ISINFORMED BY CUSTOMER OF THE POSSIBILITY OF SUCH DAMAGES IN ADVANCE OF THIS SALE 25 Transition Networks The Evolving Ethermet Network Installing one Transition Networks pocket switch alone improves network performance Installing additional Fast Ethernet equipment and optionally installing additional Transition Networks pocket switches can optimize network performance A network evolution from legacy Ethernet to legacy Ethernet and Fast Ethemet that is based entirely on the Transition Networks E PSW FX 02 pocket switch might be 10BASE T Network 10 Mb s 100 meters N LOBASE T Network 100 meters 100 meters 1OBASET Network 10mps F 10 Mb s 200 Mb s 2000 meters Full Duplex Fiber 100 Mb s 100 meters y 100BASE TX Network PILL Llleecreeveee 100BASE FX a 10Mb ss H 10BASE T Network SOO maS y Pocket Switch 2 Network Flexibilit
6. LED indicates that port transmits and receives at 100 Mb s dark LED indicates 10 Mb s L INK Steady green LED indicates active port link connection H ALF D UPLEX Steady green LED indicates half duplex mode dark LED indicates full duplex mode R ECEIVE Blinking green LED indicates port is receiving data Switches at surface opposite connectors DIP Allows selection for each port of operating speed and mode or selection of Auto N egotiation RESET Resets hardware to initial operating condition Pocket Switch 4 Increasing Bandwidth by Segmenting 10BASE T Collison Domain The Transition Networks pocket switch adapts to the fact that each Ethernet network device station is connected independently to the shared Ethemet signaling system called the network medium Each station transmits serially over the shared medium to every other attached station Access to the medium is determined by a medium access control MAC mechanism in the Ethemet interface of the station The Ethernet CSMA CD Protocol The Ethernet medium access control mechanism is based on the Carrier Sense Multiple Access with Collision Detection CSMA CD protocol Under the CSMA CD protocol each station waits until there is no signal on the channel Carrier Sense and then begins transmitting Multiple Access Since signals take a finite time to travel from one end of an Ethernet network to the other the first bits of a transmitted frame do not reach
7. S ASSEMBLED BY TRANSITION NETWORKS INC TO THE EXTENT PERMITTED BY LAW TN DOES NOT MAKEAND DISCLAIMS ALL OTHER WARRANTIES EXCEPT TITLE EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY WARRANTY OF DESCRIPTION MERCHANTIBILITY FITNESS FOR A PARTICULAR PURPOSE OR NON INFRINGEMENT AND ANY WARRANTY BASED UPON PRIOR WRITTEN OR ORAL REPRESENTATIONS REGARDING SUCH PRODUCTS MADE BY TN ITS EMPLOYEES AGENTS OR REPRESENTATIVES B Limitations and Exclusions If the customer believes any goods sold by TN are defective and within the warranty period the following general procedure will be followed 1 Locate the serial number and delivery date of the item s 2 Notify TN within the warranty period 3 TN will promptly issue a retum authorization form for the goods 4 Upon receiving the form the customer will promptly return the item s at customers own expense shipped prepaid to the distributor from which it was purchased or directly to TN TN will only accept goods for retum if the following conditions have been met 1 A retum form is obtained from TN 2 The freight charges have been prepaid by the customer 3 Goods are re packed in their original packaging If under warranty TN shall at its option 1 repair the goods free of charge 2 replace the goods free of charge or 3 accept the retum of the item s and credit the current price to the reseller within 90 days of purchase or 4 if the goods are not under warranty
8. Switch To power ON the Transition Network s pocket switch 1 Locate the power receptacle on the back of the Transition Network s pocket switch 2 Connect the Transition Network s pocket switch power connector end of the power supply adapter to the power receptacle on the back of the Transition N etwork s pocket switch 3 Connect the external power connector end of the power supply adapter to external AC power NOTE After the power supply adapter is connected to the Transition Network s pocket switch and to external power the green Power LED is illuminated 5 Transition Networks Pocket Switch 22 Installing Network Cable continued Connecting Fiber Cable to TX RX Connectors OOBASE FX Effective cable distances are determined by ambient RF noise and by signal loss in the cable Since fiber has a low signal loss meter and is invulnerable to RF noise fiber can be used to extend distances OPTICAL POWER LOSS BUDGET An 11dB loss budget as measured by a fiber optic power meter is allowed per link A typical performance rating for standard grade fiber operating at 1350 nm is approximately 1dB 2dB loss per 1000 meters of cable Approximately 0 5dB 2 0dB loss per connection point is typical depending on how well the connection has been made FAST ETHERNET COLLISON DOMAIN NOTE Installing full duplex fiber cable avoids collision domain considerations and extends distances up to 2000 meters A Fast Ethernet
9. Transition Networks The 512 Bit Rule LOOBASE TX 1O00BASE FX A bit time BT is the amount of time required to send one data bit across an Ethernet LAN The total number of bit times between any two DTEs in the same Fast Ethernet 1OOBASE TX or 1OOBASE FX collision domain cannot exceed 512 bit times in the round trip CALCULATING RTD ROUND TRIP DELAY To calculate the round trip delay in bit times between a station DTE and the Transition Networks pocket switch refer to the Fast Class Repeater 140 BT Ethernet worst case round trip Class Il Repeater 92 BT Class TX FX Media Converter 130 BT delays expressed in bit times Class Il TX FX Media Converter 92 BT Then DTE 50 BT 1 meter of CAT 5 TP cable 1 11 BT e Find the longest and 1 meter of fiber cable 1BT most complicated Fast Ethernet Switch 50 BT collision domain path between the station and the Transition Networks pocket switch e Calculate the round trip delay for each cable segment by multiplying the length of the cable in meters by the delay per meter in bit times BT for each cable type as listed in the table e Calculate the total round trip delay by taking the sum of all the individual cable delay values in the path as listed in the table plus station DTE delays and hub repeater delays e Add the segment delay values together If the result is less than or equal to 512 bit times the path passes the test 100
10. all parts of the network simultaneously Two stations could sense that the network is idle and start transmitting frames simultaneously When this happens the Ethernet system senses the signal collision stops the transmission and resends the frames Collision Detection Thus a collision domain is a single CSMA CD network in which a collision will occur if two network stations transmit at the same time Ethemet Switching The Transition Networks pocket switch can improve network performance by breaking the large CSMA CD collision domain into two separate collision domains called segments Network segmentation is achieved by regulating the number of data signals sent among stations Since the first two fields in an Ethernet data packet carry 48 bit source and destination addresses the pocket switch scans the destination address on each packet header received on a port searches a dynamic internal MAC routing table and forwards the packet only if the data is intended for a station beyond the local collision domain If the data is intended for a station on the collision domain from which the packet was received the pocket switch discards filters the packet since any signal on the local segment already has been received by all stations on that segment Baseline network performance also is improved because switches do not forward collision signals or error packets from one collision domain to another Powering Transition Networks Pocket
11. asily between Ethernet ports running at 10 Mb s 1OBASE T legacy Ethemet and 100 Mb s LOOBASE TX Fast Ethernet Since the pin numbers used in the eight pin connector for 1OOBASE TX conform to the wiring already in use in the 1OBASE T standard a 100BASE TX card can replace a 1OBASE T card in an Ethernet station that has Category 5 wiring installed without making any wiring changes However though both1lOBASE T and LOOBASE TX both are limited to a distance of 100 meters the maximum segment length for the 10 Mb s link is limited to 100 meters mostly by signal strength while the maximum segment length for the 1OOBASE TX is limited to 100 meters to ensure that round trip timing specifications are met Also though both 10BASE T and 100BASE TX collision domains can be measured using the 512 Bit Rule the 5 Segment Rule is more commonly used for legacy lOBASE T Ethemet See page 17 Fast Ethernet is measured using the 100BASE TX LOOBASE FX 512 Bit Rule See page 18 Connecting Legacy Ethemet to Fast Ethernet Installing the Transition Networks pocket switch between existing Ethernet workgroups or networks and a new Fast Ethernet workgroup or network using the cabling appropriate to each connects technologies Migrating from Legacy Ethernet to Fast Ethernet Migration from 10 Mb s to 100 Mb s operation can be on a station by station basis as needed using incremental upgrades of station network interface cards and of cable 9
12. d in separate buildings Complete electrical isolation is essential when Ethernet segments must link separate buildings NOTE The 100BASE FX specification requires two strands of multimode fiber optic cable per link one to transmit data and one to receive data with the signal crossover TX to RX performed in the link This allows fiber cable to be used either in half duplex or full duplex mode Half duplex Fiber The 100BASE FX media system is designed to allow half duplex Fast Ethernet segments of up to 412 meters for the entire collision domain In practice however half duplex fiber is limited to 111 meter distances and typically is used to connect a server to a workstation with no intervening hub Full duplex Fiber The 100BASE FX media system is designed to allow full duplex Fast Ethernet segments of up to 2000 meters in length The 2000 meter limit is possible because round trip timing collision domain specifications are not a factor in full duplex In full duplex the limiting factor for fiber is optical power loss See page 21 Installing Network Cable Use care when installing network cable to ensure that the restrictions that apply separately to each cable type lLOBASE T LOOBASE TX and 100BASE FX are satisfied LOBASE T Cable type Category 3 or Category5 See page 27 Connector RJ 45 See page 27 Maximum distances 100 m half duplex See page 27 100 m full duplex See page 27 Restrictions 5 segmen
13. ed inspected and a cost estimate of the repair determined e The repair charges may be billed with customer s approval though the distributor or on a prepaid or C O D basis directly to the customer The charges will include the cost of shipping The retum authorization numbers are valid only for 90 days from the date issued Pocket Switch 26 Warranty Statement A Five Year Warranty Transition Networks Inc TN warrants for a period of five years that TN products with the exception of power supplies and fans that TN warrants for two years will be free from defects in materials and workmanship and will be in conformity with TN s specifications TN s warranty on products manufactured by or assembled for TN in accordance with a customer s specifications is a five year warranty that the goods conform to such specifications The warranty is invalidated if the goods have been subject to alterations misuse accident Acts of God e g damage by floods lightning strikes Etc tampering improper maintenance improper maintenance improper installation or abuse If the user is unsure about the proper means of installing or using the equipment contact TN s free Technical Support or Network Design Services which can be reached by Telephone _1 800 LAN WANS or 612 941 7600 Fax 612 941 2322 E mail techsupport transition com Internet http www transition com THE ABOVE WARRANTY IS EXCLUSIVE AND EXTENDS ONLY TO PRODUCT
14. ents 2 Define a segment path between that network device and the Transition Networks pocket switch by labeling the cable connection to the Transition Networks pocket switch segment 1 and numbering each segment in the path to the terminal up to segment n n total number of segments lt 5 3 Verify that no segment path in the collision domain contains more than n lt 5 segments 4 Repeat steps 1 3 for next collision domain 17 Transition Network The Transition Networks pocket switch can be installed to provide one 10BASE T ewitened pon and one 100BASE TX switched port D Re N ae gt Collision D A a pan A gae Z D Bisting 100 Mb s 3 Lleerseeres Install Transition Networks Pocket Switch To Connect Legacy Ethernet to Fast Ethemet Auto Negotiation The 100BASE TX standard includes automatic speed and duplex mode sensing as part of the Auto N egotiation function When two Auto Negotiation devices with multiple capabilities are connected together they find their highest performance mode of operation based on a priority table The Auto Negotiation protocol contains a set of priorities which result in the devices selecting their highest common set of abilities The process happens out of band with no loss of network throughput Each 100BASE TX station sends a burst of link integrity test pulses called a fast link
15. evice integrated into the legacy Ethernet network that adapts selectively to the Fast Ethernet network by examining all incoming data packet frames for the destination address and quickly determining the appropriate output port and mode half duplex or full duplex for the packet 3 Transition Networks 5 MAINTENANCE WARNING DO NOT UNDER ANY CIRCUMSTANCES attempt to repair the Transition Networks pocket switch Failure to observe this warning could result in personal injury or death from electrical shock NOTE Failure to observe the above warming will immediately void the warranty Fault Isolation 1 Isthe power LED on the switch illuminated NO e Is the power adapter the proper type of voltage and cycle frequency for the AC outlet e Is the power adapter properly installed in the switch and in the outlet e Contact Technical Support e Proceed to step 2 2 Is the Link LED illuminated on a port with twisted pair installed NO e Check UTP cables for proper connection pin assignment e Contact Technical Support YES e Proceed to step 3 3 Is the Link LED illuminated on a port with fiber installed NO e Check fiber cables for proper connection e Verify that TX and RX cables are connected to RX and TX ports respectively on LOOBASE FX device e Refer to Tech Tips available at http www transition com e Contact Technical Support YES e Contact Technical Support Technical Support Contact 800 260 1312
16. f Say N y 2 Y 5 N l 100 meters J 10 Mb s TE A N 100 e PILL Ltt hd 9 i sesse Jer LETTTTET p p Ideally the system administrator defines collision domain segments so that most traffic on each segment is local to the segment MAC Address Table The dynamic internal routing table of the Transition Networks pocket switch provides self learning capabilities for up to 8192 MAC addresses of incoming and outgoing packets Once a network node address is stored in the MAC address table data packets addressed to that node are sent directly Packets whose destination address is on the same CSMA CD collision domain as the packet source address are discarded by the pocket switch NOTE The MAC address table is volatile and disappears when the pocket switch is powered off or reset Pocket Switch 6 Doubling Bandwidth by Installing Full Duplex NOTE The 10BASE T specification requires two dedicated twisted copper wire pairs for data transmission and reception This allows twisted pair copper cable to be used either in half duplex or full duplex mode Legacy CSMA CD Ethemet is Half Duplex Legacy Ethemet is a half duplex communications system in which data can be transferred in both directions but in which at any given time a station is either transmitting or receiving On the original Ethernet physical medium coaxial cable the same wire was used both for transmission and reception With the current 1OBASE T p
17. hysical media twisted pair separate copper wire pairs are used for transmission and for reception Each station transmits to all stations and receives from all stations Since many devices share the medium a device at the end of a half duplex Ethernet link listens for other transmissions or for collisions when sending data using the CSMA CD protocol to prevent multiple simultaneous transmissions on the medium Microsegmented Ethemet Link is Full Duplex Installing full duplex allows the station attached to the Transition Networks pocket switch to both transmit and receive at the same time In the microsegmented full duplex switched Ethernet environment each station is connected to one dedicated switch port Only the attached station ever transmits to the switch using the Transmit pair of the cable and only the switch ever transmits to the attached station using the Receive pair of the cable There is never any contention for the use of the medium as in a standard half duplex Ethernet environment Instead both the station and the switch transmit at will using both directions simultaneously One advantage of this approach is that the full duplex link can theoretically provide twice the bandwidth of normal half duplex Ethernet Since there are only two devices on a full duplex link the link is not attempting to create a shared Ethernet channel capable of supporting multiple devices Therefore there is no need to adhere to the orig
18. inal Ethernet medium access control system With no need to use the CSMA CD medium access control mechanism to share the signal channel with multiple stations a device at the end of a full duplex Ethernet link does not have to listen for other transmissions or for collisions when sending data Connecting Twisted Pair Copper Cable to RJ 45 Connector LOBASE T 100BASE TX Though Category 3 cable is adequate for the 1OBASE T installation Category 5 cable is strongly recommended because Category 3 cable can NOT be used for a later upgrade to LOOBASE TX Refer to the cable specifications on page 27 LOBASE T AND THE ETHERNET COLLISON DOMAIN e Refer to the 5 Segment Rule page 17 before installing half duplex 1O0BASE T cable e Installing full duplex twisted pair cable avoids collision domain considerations distances remain lt 100 meters LOOBASE TX AND THE FAST ETHERNET COLLISON DOMAIN e Refer to the 512 Bit Rule page 18 before installing half duplex 100BASE TX cable e Installing full duplex twisted pair cable avoids collision domain considerations distances remain lt 100 meters e A Fast Ethernet collision domain can have ONLY ONE CLASS repeater OR ONLY TWO CLASS II repeaters INSTALLING CABLE To install LOBASE T or 1OOBASE TX cable 1 Locate or build LOBASE T or 1OOBASE TX cables with the following characteristics e 803 2 1OBASE T or 803 2u LOOBASE TX compliant See pages 27 28 e correct Straight
19. ision N 5 we Do a N E I T 100 Mb FEFEFEEFETEE 15 Transition Networks Class I and Class II Fast Ethemet Repeaters Both LOOBASE TX and 100BASE FX use the same signalling techniques so either Class or Class Il repeaters can be installed in the Transition Networks Fast Ethernet pocket switch network Pocket Switch 12 2 STE CONSIDERATIONS The site for the Transition Networks pocket switch must provide e AC power outlet for each Transition Networks pocket switch e Adequate ventilation e Standard environmental conditions e Isolation from electrical noise including radio transmitters and broadband amplifiers motors high power electrical lines or fluorescent light fixtures Additionally e The twisted pair cables should not run in the same conduit with power line cables e Phone lines should be separated from data cables e Flator silver satin wires should not be used And e The entire installation should comply with the IEEE Ethemet 802 3 and the 802 3u specifications 3 INSTALLATION To install the Transition Networks pocket switch e Unpack Transition Networks pocket switch e Install Transition Networks pocket switch on stable flat surface e Set DIP switch e Install network cable e Power Transition Networks pocket switch Direction is provided in the pages that follow Unpacki
20. ission from TRANSITION Networks Trademark Notice All registered trademarks and trademarks are the property of their respective owners Transition Networks LOOBASE FX Cable and Connector Specifications The physical characteristics of the LOOBASE FX cable must meet or exceed IEEE 802 3u 100BASE FX specifications LOOBASE FX CABLE SPECIFICATIONS Fiber O ptic Cable Recommended 62 5 125 um multimode fiber Optional 100 140 um multimode fiber 85 125 um multimode fiber 50 125 um multimode fiber Fiber Optic Transmitter Power Average power 19 0 dBm Fiber Optic Receiver Sensitivity Average sensitivity 33 5 dBm Bit error rate lt 10 10 Madmum Cable Distance Half Duplex Collision Domain 412 meters 1375 feet Full Duplex Link 2000 meters 6500 feet 1OOBASE FX CONNECTOR CHARACTERISTICS One 1 transmit and one 1 receive ST connector Pocket Switch 28 ETHERNET CABLE SPECIFICATIONS LOBASE T 1LOOBASE TX Cable and Connector Specifications The physical characteristics of the 1OBASE T 1OOBASE TX cable and connectors must meet or exceed IEEE 802 3 802 3u specifications 1LOBASE T CABLE SPECIFICATIONS Category 3 wire or better is required category 5 wire See 1OOBASE TX is recommended Either shielded twisted pair STP or unshielded twisted pair UTP can be used DO NOT USE FLAT OR SILVER SATIN WIRE Category 3 Gauge Maximum Cable Distance 1LOOBASE TX CABLE SPECIHCATIONS Attenua
21. le below set Port 1 DIP switch to select one of the following modes e Auto Negotiation twisted pair only e 100 Mb sec full duplex twisted pair OR fiber e 100 Mb sec half duplex twisted pair OR fiber 10 Mb sec full duplex twisted pair only 10 Mb sec half duplex twisted pair only 3 Repeat for Port 2 twisted pair only z Port2 Port1 123 123 AAA BB Auto Neg Twisted TTE BB i 100 Full Pair WA U A E 100 Half m m m A m m 10 Full m m m m m m 10 Half Fiber N A T E A 100 Full W a A 100 Half XX KEY Switch Up Switch Down NOTE Switch 4 is unused Network distances can be extended to up to 2000 meters by installing a full duplex fiber network interface card in the network device and then connecting fiber cable between the network device and the Transition Networks pocket switch Collision O AAD k lt cD Collision A pic z N 4 ony gt os Existing 10 Mb s A Existing 100 Mb s gt EE J Prittii N a CECEEEI y Pritt 7 A S Pritt i a la Install Install Transition Networks Pocket Switch AND Install Fiber Cable to Server AND Install LOOBASE TX LOOBASE FX Media Converter at Server OR Install Fiber Card in Server For Collision Free Full Duplex Fiber Connection to Server _ ep Coll
22. ng the Transition Networks Pocket Switch The Transition Networks pocket switch packing contents should include the following Item Part Number Transition Networks E PSW TX 02 Pocket Switch OR E PSW FX 02 Power Supply Adapter 3340 3507 3342 3340 3346 3511 OR 3537 power cord 3522 depending upon power configuration in country where installed User s Guide 33015 Installing on Aat Stable Surface The Transition Networks pocket switch was designed and built to be installed on a table or shelf Ensure that the installation location is e stable e well ventilated e near a standard AC electrical outlet 13 Transition Networks Pocket Switch 14
23. ocket switch A working knowledge of local area network LAN operations including familiarity with communications protocols used on interconnected LANs is assumed Transition Networks Pocket Switches Transition Networks pocket switches E PSW TX 02 and E PSW FX 02 provide a smooth network migration from legacy Ethemet 1OBASE T to Fast Ethernet LOOBASE TX or LOOBASE FX supporting increasing network demands through incremental upgrades to existing network investments E PSW FX 02 fad E W N lt o 2 S 2 i LET o w UTP Zo g x z Ke P a o 2 i 0 i a aes re 8 UTP ee Oo io 5 Tt OR g L E 3 A Ou iT 58 a 2 os 0 a Po oath OF 3s Sa g S5 2 Fiber e On e Supports a full Ethemet segment on each port e Adheres to current and emerging IEEE802 3 and IEEE802 3u Ethernet standards e Provides two ports with selectable LOBASE T or 1OOBASE TX e EPSW FX 02 provides one port with selectable LOOBASE FX e Supports full or half duplex operation on both ports e Provides selectable auto negotiation for detecting and adapting to line soeed operation mode of attached device on each port e Provides wire speed switching for same speed transfers e Provides packet buffers for high performance e Supports self leaming of MAC addresses 1 Transition Networks The sole purpose of this remedy shall be provided the customer with the replacement or repai
24. onnections must be configured as Q crossover ae Straight Through Cable SS at RJ 45 Plug Switch oe eee ee eee eee PC transceiver The two active pairsina NIC printer 10BASE T network are pins 1 RES Malena erase RJ 45 Male amp 2 and pins 3 amp 6 Use only My a a e de iekanceies 1 dedicated wire pairs such as De E E EE 2 blue white amp white blue 3 Ce ee eT 3 orange white amp white orange Oer rece ane Ae eee enoar 6 for the active pins Crossover Cable The two wires in each pair of the at RJ 45 Plug cable must be twisted together for the entire length of the segment and kept Switch 22225 5 Hub twisted to within approximately 1 2 45 Male eee R5 Mae inch of any connector to ensure the Loog i Den i d 3 integrity of the signal carrying tes 6 characteristics of the unshielded wire re 1 pair Oia Fide aaae Aa TERE cere 2 19 Transition Networks Eliminating CSMA CD collisions on the segment by installing full duplex cards at the network interfaces in a network with Category 5 cables already installed allows a minimum investment to effectively double the network collision domain diameter cama CD Collision Domain N 10 Mb s t 100 meters Install Transition Networks Pocket Switch AND Install Full Duplex 10BASE T Card in Server For Collision Free Full Duplex Connection to Serve Application beha
25. pulse FLP generated automatically If the receiving switch is capable of LOBASE T communication only the FLPs are ignored and the cable segment operates as LOBASE T If the switch can support 100BASE TX operation the switch detects the FLPs uses the Auto N egotiation algorithm and FLP data to determine the highest possible cable segment speed and mode and automatically places both the station and the switch into 1OOBASE TX mode Pocket Switch 10 Increasing Network Distance by Installing 1LOOBASE FX Fiber Fast Ethernet 1OOBASE FX can be used for links to the Transition Networks pocket switch particularly between buildings or where the 100 meter distance limitation of copper Fast Ethernet LOOBASE TX must be exceeded Signals move over fiber 10 faster than over copper The 100BASE FX fiber optic media system uses pulses of light instead of electrical currents to send signals over the Ethemet medium Light pulses propagate faster that electrical signals with less signal loss and provide superior electrical isolation for network devices at each end of the link While network devices used in copper segments have protective circuits designed for protection from typical indoor electrical hazards fiber optic media is totally non conductive This complete electrical isolation provides immunity from much larger electrical hazards including the effect of lightning strikes and the different levels of electrical ground currents foun
26. r of non conforming goods in the manner described in this Warranty statement This exclusive remedy shall not be deemed to have failed of its essential purpose so long as TN is willing and able to repair or replace the defective item s or refund the purchase price TN reserves the right to inspect products claimed to be defective under warranty either at the customer s location or at TN s plant TN assumes no liability for liability charges incidental to the adjustment service repairing removal or replacement of the product or other costs or the expense of repairs made outside of its factory except when made with TN s prior written consent Additionally Transition Networks reserves the right to charge for all testing and shipping incurred if after testing a retum is classified as No Problem Found TN s total liability in connection with the products and their installation to all persons and from all causes in the aggregate whether in contract tort or strict liability shall not exceed the amount paid to TN for the product directly related to the alleged damage However in no event shall TN have any liability to a customer or any third party for products manufactures according to the customer s specifications C Return Procedure The customer must follow this procedure for the return of defective items 1 Locate the serial number s of the item s to be retumed 2 Determine the date the item s was received 3 Contact Transi
27. sendeinrichtungen einschliesslich der gegenseitigen Anerkennung ihrer Konformit t Compliance Information UL Listed C UL Listed Canada CISPR EN55022 Class A FCC Regulations This equipment has been tested and found to comply with the limits for a class A digital device pursuant to part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment ina residential area is likely to cause harmful interference in which case the user will be required to correct the interference at the user s own expense Canadian Regulations This digital apparatus does not exceed the Class A limits for radio noise for digital apparatus set out on the radio interference regulations of the Canadian Department of Communications European Regulations Waming This is a Class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures Copyright Restrictions 1997 TRANSITION Networks All rights reserved No part of this work may be reproduced or used in any form or by any means graphic electronic or mechanical without written perm
28. sing Bandwidth by Segmenting 1OBASE T Collision Domal nyie aineena Re Gea Sek a Haas WE Sv wld ee Sk a 11 Doubling Bandwidth by Installing Full Duplex 7 Increasing Bandwidth Ten fold by Installing LOOBASE TX 9 Increasing Network Distance by Installing LOOBASE FX 11 SITE CONSIDERATIONS 2 00002 e eee 11 3 INSTALLATION 0 000 eee 14 Unpacking the Transition Networks Pocket Switch 14 Installing on Flat Stable Surface 2 4 14 Setting DIP Switch 0 000020 15 Installing Network Cable 0 0000 00 eee ee 16 The 5 Segment Rule LOBASE T 2 2 0 0 00 e eee 17 The 512 Bit Rule LOOBASE TX 1OOBASE FX 18 Straight Through Crossover Rule LOBASE T 1OO0BASE TX 19 Connecting Twisted Pair Copper Cable to RJ 45 Connectors LOBASE T 1LOOBASE TX 2 000 cee ee 20 Connecting Fiber Cable to TX RX Connectors 1OOBASE FX 21 Powering Transition Networks Pocket Switch 22 4 OPERATION 2 eee 23 Fault Isolation ni caa naia uda a a a a eee 24 Technical Support Contact 0 0 00 eee ees 24 WARRANTY STATEMENT 000 cee eee 25 ETHERNET CABLE SPECIFICATIONS 005200085 27 TRANSITION NETWORKS POCKET SWITCH SPECIFICATIONS 1 cece ee 29 Pocket Switch L INTRODUCTION This guide is intended for the system or network administrator responsible for installing and monitoring a Transition Networks p
29. t rule See page 17 Straight through or Crossover cable See page 19 LOOBASE TX Cable type Category 5 See page 27 Connector RJ 45 See page 27 Maximum distances 100 m half duplex See page 27 100 m full duplex See page 27 Restrictions 512 bit rule See page 18 Straight through or Crossover cable See page 19 LOOBASE FX Cable type 62 5 125 multimode fiber See page 28 Connector ST See page 28 Maximum distances 412 m half duplex See page 28 2000 m full duplex See page 28 Restrictions Optical loss budget See page 21 NOTE If the Transition Networks pocket switch is installed in a network that is evolving by increments from legacy 1OBASE T Ethernet to 100BASE TX Fast Ethernet and or to 1OOBASE FX Fast Ethemet refer again to these cable type restrictions at each upgrade 11 Transition Network Pocket Switch 16 Setting DIP Switch NOTE The Auto N egotiation system is designed so that a twisted pair link will not become operational until matching capabilities exist at each end The Auto Negotiation protocol is NOT able to test the cable The installer must ensure that the correct cable type is installed to support the highest soeed and mode of operation to be selected To set network speed s and operation mode s using DIP switch 1 Locate the DIP switch at the back of the Transition N etwork s Pocket Switch 2 Using a VERY small flatblade screwdriver or similar device and the tab
30. through or Crossover cable configuration for site installation See page 19 e male RJ 45 plug connectors installed at both cable ends 2 Connect male RJ 45 plug connector at one end of 1O0BASE T or 100BASE TX cable to Transition Networks pocket switch RJ 45 jack connector 3 Connect male RJ 45 plug connector at other end of LOBASE T or LOOBASE TX cable to network device RJ 45 jack connector 7 Transition Networks Pocket Switch 20 Installing Network Cable continued Straight Through Crossover 1O0BASE T 1OOBASE TX The most popular wiring used today unshielded twisted pair copper cable is used for LOBASE T and for 1OOBASE TX As with 1OBASE T the transmit and receive data signals on each pair of a 1OOBASE TX segment are polarized with one wire of each signal pair carrying the positive signal and the other carrying the negative signal The pin numbers used in the eight pin connector for LOOBASE TX conform to the wiring scheme already in use in the 1OBASE T standard so a 100BASE TX board can replace a LOBASE T board in a Category 5 wiring system without any wiring changes The straight through crossover rule that applies to 1OBASE T also applies to LOOBASE TX The LOBASE T and 100BASE TX cable and RJ 45 jacks for Switch to Terminal connections must be configured as straight through The v 12345678 10BASE T and 100BASE TX cable and RPA Rus RJ 45 jacks for Switch to Hub RJ 45 Jack ee a c
31. tion Impedance 24 to 22 AWG 28 dB 1000 10 MHz 100 2 10 10 MHz 100 meters 330 feet Category 5 wire or better is required Either shielded twisted pair STP or unshielded twisted pair UTP can be used DO NOT USE FLAT OR SILVER SATIN WIRE Category 5 Gauge Maximum Cable Distance Attenuation Impedance 24 to 22 AWG 20 dB 1000 10 MHz 100 2 10 10 MHz 100 meters 330 feet 1LOBASE T 1OOBASE TX CONNECTOR CHARACTERISTICS The two active pairs in a LOBASE T 100BASE TX network are pins 1 amp 2 and pins 3 amp 6 Use only dedicated wire pairs such as blue white amp white blue orange white amp white orange for the active pins LOBASE T LOOBASE TX cable for unlike devices such as hub to terminal device must be configured as straight through 10BASE T 1OOBASE TX cable for like devices such as hub to hub or terminal device to terminal device must be configured as crossover Twisted Pair 1 Twisted Pair 2 Straight Through Cable 1 1 poems 2 3 7 3 6 16 Connectors for unlike devices Twisted Pair 1 Twisted Pair 2 Crossover Cable En 1 2 e 2 3 3 6 6 Connectors for like devices 27 Transition Networks Table of Contents 1 INTRODUCTION 2 ee Transition Networks Pocket Switches 1 FOQUUIES ia a tise Ponce ete Res te Baa Mee a Sand tele hea tinny 1 The Evolving Ethernet Network 20000000 0 ee 2 Increa
32. tion Networks Technical Support to determine if the problem can be corrected on site If not and the product is covered by warranty then e Call the distributor directly or contact TN e Request a Return Material Authorization RMA e Ship the item prepaid in original packaging to Transition Networks at the above address Include the RMA number on the outside of the carton and or on the Packing List e Include a copy of the RMA form e Include a copy of the original invoice or packing list if possible to expedite processing e The item s may be shipped by the customer or the distributor e Transition Networks will repair or replace the unit at TN s discretion and cover the cost of the retum freight to the distributor or to the customer whichever requested the RMA number If the item s was received more than five years ago or if the item s is no longer covered by warranty for other reasons then e Call the distributor or contact TN e Request a Material Repair Authorization number MRA e Ship the item s prepaid in the original packaging to Transition Networks at the above address e Include the MRA number on the outside of the carton add or on the Packing List e Include a copy of the MRA form e Include a copy of the original invoice or packing list if possible to expedite processing e Only the customer end user may send the items s to TN TN will contact the customer after the item s have been receiv
33. vior determines if a station can take advantage of the increased network capacity of full duplex Typical applications do not use bandwidth symmetrically File transfers for example are asymmetrical in nature bulk data is transferred in one direction with short acknowledgments returned in the reverse direction A station which is only doing file transfers will not benefit from the doubling of bandwidth offered by full duplex switching When multiple applications are using the network simultaneously on a single device the benefits of full duplex are apparent Typically servers handle simultaneous network traffic to and from multiple workstations While any given workstation is using the network asymmetrically the server can take advantage of full duplex operation to simultaneously handle transfers in from one station and out to another Pocket Switch 8 Increasing Bandwidth Ten fold by Installing LOOBASE TX Fast Ethemet Fast Ethernet 1OOBASE TX or 1OOBASE FX on the Transition Networks pocket switch moves signals at 100 Mb s ten times faster than legacy Ethernet Legacy Ethemet and Fast Ethemet Since 100BASE TX Fast Ethernet is an extension of the existing Ethernet IEEE 802 3 standard that uses the existing 802 3 media access control MAC layer there is no change in the link layer frame format and no need to recompute checksums or rebuild frames before forwarding Thus the Transition Networks pocket switch moves frames e
34. y The Transition Networks pocket switch can assist a network administrator in maintaining existing resources as the network evolves from shared legacy 10M b s Ethernet to switched 100M b s Fast Ethernet because a pocket switch can function as e A 2 port bridge in the legacy LOBASE T environment e A connection between the legacy 1OBASE T environment and the evolving Fast Ethemet LOOBASE TX LOOBASE FX environment e A 2 port bridge in the Fast Ethernet 1OOBASE TX 10O0BASE FX environment Standards Based Transition Networks pocket switches are designed and built according to accepted and evolving Ethernet standards The IEEE 802 3 Carrier Sense Multiple Access with Collision Detection CSMA CD Access Method and Physical Layer Specifications which applies to LOBASE T has been adopted by the International Organization for Standardization ISO IEEE 802 3u is the extension of IEEE 802 3 to LOOBASE X Protocol Compatible As devices functioning on the OSI MAC layer Transition Networks pocket switches are protocol independent and therefore totally compatible with IEEE 802 3 IEEE 802 3u TCP IP NetWare DECnet and XNS protocols No software installation is required Protocol compatibility allows cost effective network migration with maximum use of existing equipment cabling infrastructure network management systems and MIS expertise Pocket Switch Operation The Transition Networks pocket switch is an Ethernet network d
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