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LTR-T Installation Guide

Содержание LTR8T

Страница 1: ...LTR T Installation Guide...

Страница 2: ...xacting standards We strive to make all of our products easy to use and of the highest quality That s how we re able to support them with a five year warranty and free technical support I hope you fin...

Страница 3: ...ection against harmful interference when operating in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with thi...

Страница 4: ......

Страница 5: ...Installation 5 Network Configuration 5 Cabling Instructions 7 Adding New Network Segments 9 Power up Sequence 10 Troubleshooting 12 Normal Operation 13 Configuration 14 Configuration Mode 15 Storing...

Страница 6: ...b A Complex Network Configuration 6 Figure 3 LTR T front and back panels 7 Figure 4 Connecting the transceiver cable to the AUI port 8 Figure 5 Hub Interconnect Configuration 19 Tables Table 1 LTR T P...

Страница 7: ...T ports for direct connection to UTP cable segments of up to 100 meters each 1 or 2 LTR16T AUI ports for attachment of external Thinwire 10BASE2 Thickwire 10BASE5 or UTP 10BASE T transceivers separate...

Страница 8: ...inches of space on each side of the unit for ventilation LTR 8T LTR 16T Width 8 5 8 5 Depth 5 5 5 5 Height 2 8 3 8 Figure 1 LTR T Dimensions Environmental Considerations The following paragraphs list...

Страница 9: ...t le cote de fusible T2A 250V VORSICHT Zum Schutz gegen das Risiko eines Brandes darf die Sicherung nur mit einer mit gleichen technischen Daten ersetzt werden T2A 250V Temperature Limitations Operati...

Страница 10: ...ill need an AUI cable between the DELNI and the LTR T s AUI port Checking the Cable Connections Make sure you have enough cable to connect the LTR T to your network There are three types of cable conn...

Страница 11: ...TR T on the right is connected from the AUI to a Local Network Interconnect device You can connect one or more 10BASE T segments to the LTR T one to each port on the back of the unit Additionally you...

Страница 12: ...only w same type and ratings of fu Serial gepr fte Sicherheit AUI1 8 7 6 5 4 3 2 1 LTR8T MDI X MDI X MDI THICKWIRE ETHERNET LTX 5 LTX 5 TRANSCEIVER TRANSCEIVER Local Network Interconnect host 95 250V...

Страница 13: ...type and ratings of fus Fabriqu aux Etats Unis Made in U S A Serial UL UL 1950 LISTED 6J40 Equipment LR 89493 IEC 950 gepr fte Sicherheit AUI 1 8 7 6 5 4 3 2 1 LTR8T MDI X MDI X MDI 15 pin AUI port 1...

Страница 14: ...ansceiver or AUI cable to the LTR T first unlock the slide latch on the connector by sliding the clip to the right You may have to slightly loosen the screws on either side of the connector to move th...

Страница 15: ...d in the next section to check the status of the hardware If no LEDs come on refer to the Testing and Diagnostics section for troubleshooting suggestions Adding New Network Segments It is not necessar...

Страница 16: ...in that bit position while an unlit LED corresponds to a zero 0 in that bit position For example version 1 3 will be displayed as 0 0 0 1 0 0 1 1 off off off green off off green green Diagnostics Aft...

Страница 17: ...board failure LTR16T 0000 0010 NVR failure 0000 0100 Inter board communication failure LTR16T Having failed power up diagnostics the LTR T will disable all ports and continue to display the diagnosti...

Страница 18: ...owever you must make sure the unit is properly grounded 2 Check that the LEDs light when the POWER switch is turned on If they do not light check the fuse on the back of the unit to make sure that it...

Страница 19: ...tomatically partitioned from the network due to excessive collisions Note ports which have link test enabled but are not connected to a device at the opposite end of the segment will fail the link tes...

Страница 20: ...user to prevent ports from transmitting data to or receiving data from the attached segment in effect disabling the port Note the LTR T will automatically partition from the network any port on which...

Страница 21: ...ed by this function The first time a function is entered all ports are selected by default Pressing B repeatedly selects each single port in turn Once port 8 or 16 for the LTR16T is reached the next p...

Страница 22: ...te that this function can be performed on both AUI and UTP ports In the case of manual partition the STAT LEDs display RED for those ports which have been manually partitioned from the network To exit...

Страница 23: ...o status mode upon completing the operation In the event of a power failure the LTR T will be restored to the most recently saved configuration on power up If no configuration has been stored the LTR...

Страница 24: ...n behind using two different interface types is to simplify the wiring between devices For proper operation the transmit signal pair at one interface must connect to the receive signal pair at the sec...

Страница 25: ...the hubs are connected as MDI X to MDI X and a straight through cable is used See Figures 2b and 5 for example networks 95 250V 50 60Hz 0 5 T2A 250V This equipment complies with the requirements in P...

Страница 26: ...and receiving Ethernet traffic This can be a workstation terminal server printer etc In general any device with its own ethernet address is a node Repeaters and LNIs are not nodes as they only regener...

Страница 27: ...10BASE2 Ethernet An alternative physical layer for Ethernet specified as IEEE 802 3 10BASE2 It is a more flexible cable than Thickwire Ethernet with less stringent rules for attaching to the cable Max...

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Страница 29: ...iguration appropriate to the country in question Grounding Warning To reduce the risk of electric shock in countries using an IT power system or where protective earth ground connection is not made th...

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Страница 31: ...rasts with Thinwire and Thickwire Ethernet which connect each node to a coaxial cable in a bus topology UTP is ideal for small office environments because the cable is less expensive and easier to ins...

Страница 32: ...s and 10BASE T signals can be carried by different pairs of the same length of UTP cable Verify this with your local telephone installer or network managers before using your cabling in this way For a...

Страница 33: ...X 714 453 3995 Direct Sales 1 800 422 7055 Technical Support 1 800 422 7044 Internet email address support lantronix com To assist in diagnosing the problem please have the following information avail...

Страница 34: ...Appendix B 28 LTR T Installation Guide...

Страница 35: ...rchantability or fitness for a particular purpose other than those specifically set out above or by any existing contract between the parties Any such contract states the entire obligation of Lantroni...

Страница 36: ...EMC EN 50022 1988 class A EN 55082 1 1992 IEC 801 2 1991 prEN55024 2 1992 4kVCD 8kVAD IEC 801 3 1992 prEN55024 3 1991 3V m IEC 801 4 1988 prEN55024 4 1992 0 5kV Signal Lines 1kV Power Lines Supplement...

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