- DL manuals
- Cabletron Systems
- Repeater
- LR-2000
- User Manual
Cabletron Systems LR-2000 User Manual
Summary of LR-2000
Page 1
Lr-2000 local repeater user's manual cabletron systems, p.O. Box 6257, e. Rochester, new hampshire 03867 the complete networking solution inc..
Page 2
Power supply cord the main cord used with this equipment must be a 2 conductor plus ground type with minimum 0.75 mm square conductors and must incorporate a standard iec appliance coupler on one end and a main plug on the other end which is suitable for the use and application of the product and th...
Page 3
Notice notice cabletron systems reserves the right to make changes in specifications and other information contained in this document without prior notice. The reader should in all cases consult cabletron systems to determine whether any such changes have been made. The hardware, firmware, or softwa...
Page 4
Fcc notice fcc notice this device complies with part 15 of fcc rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Warnin...
Page 5
Contents contents chapter page chapter 1 - introduction 1.1 using this manual ........................................................................................1-1 1.2 getting help ....................................................................................................1-1 1.3 the l...
Page 6
Page 1 - 1 introduction chapter 1 introduction welcome to the cabletron systems lr-2000 local repeater user manual. We have designed this manual to serve as a simple installation and reference guide for the lr-2000 . The lr-2000 allows users to expand their networks, utilizing any ethernet transmiss...
Page 7
Introduction page 1 - 2 1.3 the lr-2000 local repeater the lr-2000 easily connects two network segments, in any combination, made of a variety of ethernet transmission media, including 10base-t twisted pair, fiber optic, and thick or thin coaxial cabling. The segments are connected by first attachin...
Page 8
Page 2 - 1 installation requirements/specifications chapter 2 installation requirements/specifications this chapter lists the location and network requirements needed for connecting the lr-2000 to your network. No special skills or tools are required to install the unit on an ethernet network. This ...
Page 9
Page 2 - 2 installation requirements/specifications 2.3 specifications this section contains the specifications for the cabletron systems lr-2000 local repeater. Cabletron systems reserves the right to change these specifications at any time without notice. General delay times: (any segment in to al...
Page 10
Page 2 - 3 installation requirements/specifications lanview leds (cont.) note: there is one receive, collision, and fault led for each segment. Receive indicates that the lr-2000 is receiving a data packet on that segment. Collision indicates that a collision is occurring on that segment. Fault indi...
Page 11
Page 2 - 4 installation requirements/specifications power supply requirements (cont.) overload protection input: (1) 3ag 3 amp fuse. Output: (1) 3ag 1 amp fuse per aui port. Environmental requirements operating temperature: +5 ° to +40 ° c (41 ° to 104 ° f) non-operating temperature: -30 ° to +90 ° ...
Page 12
Connecting the lr-2000 page 3 - 1 chapter 3 connecting the lr-2000 this chapter contains instructions for connecting cabletron systems' lr-2000 local repeater onto your network. Check that all requirements listed in chapter 2, installation requirements/specifications, are met before installing the l...
Page 13
Connecting the lr-2000 page 3 - 2 figure 3-1. Cable support installation 4. Attach an aui cable (2, 8), no longer than 50 meters in length, to both transceivers connected in step 3. 5. Connect the aui cable (2) from transceiver 1 (1) to aui port 1 (3), located on the back side of the lr-2000. 6. Con...
Page 14
Page 4 - 1 testing and troubleshooting chapter 4 testing and troubleshooting this chapter lists procedures to test the lr-2000 local repeater after it has been connected to the network. A description of lanview and its function in troubleshooting physical layer network problems is also given. 4.1 in...
Page 15
Page 4 - 2 testing and troubleshooting figure 4-1. Checkout configuration 4.2 using lanview the lr-2000 local repeater system uses cabletron systems' built-in visual diagnostic and status monitoring system, lanview. Using lanview, a network troubleshooter can quickly scan the lanview leds to observe...
Page 16
Page 4 - 3 testing and troubleshooting figure 4-2. Lanview leds jam (jam) led this red led normally flashes on and off to indicate that the lr-2000 is propagating a collision from the segment on which the collision is occurring to the other segment connected to the repeater. When this led flashes, a...