Black Box Network Hardware 10Base T Transceiver Stand Alone model User Manual

NETWORK SERVICES  
LE180A 10Base-T Transceiver  
Stand-Alone model  
• Attached Unit Interface (AUI) to  
Ethernet RJ-45 connectors  
• No external power requirement  
The LE180A transceiver is a media access unit  
(MAU) that connects the AUI port of data  
terminal equipment, repeaters, or other  
network devices either directly or through an  
AUI cable to an Ethernet 10BASE-T device. The Ethernet device is connected to the  
transceiver through an unshielded or shielded twisted-pair copper cable with RJ-45  
connector ends.  
Various System Configurations  
Figure 1 shows various examples of transceiver system configurations.  
10-Base-T Hub  
Workstation  
Or  
Or  
Black Box  
Transceiver  
Black Box  
Transceiver  
Workstation  
Black Box  
Transceiver  
HUB with AUI Port  
Figure 1: Transceiver System Configurations  
General Description . . . . . . .2  
Connectors & Cables . . . . . . .3  
Installation . . . . . . . . . . . . . .6  
Operations . . . . . . . . . . . . . .8  
Technical Specifications . . . .9  
Cable Specifications . . . . . .10  
Troubleshooting . . . . . . . . .10  
Contact Us . . . . . . . . . . . . .11  
 
LE180A  
LE180A  
Connectors & Cables -- Continued  
Connectors & Cables -- continued  
AUI connector -- continued  
UTP cable (RJ-45 connector) -- continued  
Table 1: AUI Male Connector Pinouts  
Table 2: RJ-45 Pin Assignments  
Pin Out Jack Assignments  
Pin Name  
DO +  
10 DO -  
11 DO S  
Pairs  
Transmit  
Pair  
Use  
Data Out +  
Data Out -  
Data Out Shield  
Data In +  
3
1
2
3
4
5
6
7
8
Outgoing Data 1 (+)  
Outgoing Data 2 (-)  
Incoming Data 1 (+)  
Not connected  
Not connected  
Incoming Data 2 (-)  
Not connected  
5
DI +  
Receive  
Pair  
12 DI -  
Data In -  
4
7
DI S  
CO +  
Data In Shield  
Control Out +  
Control Out -  
Control Shield  
Control In +  
Control In -  
Control Shield  
Voltage Common  
Voltage Plus  
Voltage Shield  
Option  
Pair  
15 CO -  
Not connected  
8
2
9
1
6
CO S  
CI +  
CI -  
CI S  
VC  
Collision  
Pair  
Wiring schemes for UTP cable and devices  
How to install the UTP cable is determined by the characteristics of the 10Base-T UTP  
port of the other device. The following shows some pinning examples:  
Power  
Pair  
UTP Cable Pin Wiring  
13 VP  
14 VS  
Pin  
1
Pin  
1
2
3
6
2
3
6
UTP cable (RJ-45 connector)  
Transceiver  
Transceiver  
10Base-T Device Input  
The 10Base-T, RJ-45 out jack is used to connect a 10Base-T Ethernet device via a  
2-pair UTP cable. (Use category 3, 4, or 5 UTP cable.) The length of the UTP  
cable can be up to 100m (328ft).  
Pin  
1
2
3
6
Pin  
3
6
1
2
The RJ-45 connector pin configuration is shown in Figure 5. The pin assignments  
are show in the Table 2..  
10Base-T Output Jack  
Computer 10Base-T Port  
Transceiver  
4
5
3
6
2
7
1
8
Note: The device 10Base-T output jack is normally used to connect to another  
10Base-T device. The vendor's 10Base-T device sometimes provides a  
crossover option to set the jack as an input jack for connecting to a 10Base-T  
Ethernet station.  
Figure 5: RJ-45 Connector Pin Configuration  
5
4
Black Box Network Services, 724-746-550, www.blackbox.com  
Black Box Network Services, 724-746-550, www.blackbox.com  
 
LE180A  
LE180A  
Installation -- Continued  
Installation  
Connecting to a Device AUI port  
Switches  
The LE180A can connect to any Ethernet device with an AUI port. To connect to a  
device with an AUI port, an AUI cable or direct connection is required. See Figure 7.  
The LE180A has a 3-position DIP switch. See Figure 6. Two of the switches provide  
options for enabling and disabling the SQE test and LINK test functions. Both test  
functions are Ethernet and 10Base-T standards.  
SW2  
SW1  
SW3  
AUI Cable Length 50 Feet Maximum  
AUI  
3-Position Switch  
Black Box  
Transceiver  
Front  
Figure 6: LE180A Three-Position Switch  
Figure 7: LE180A Connected to an AUI Device Port  
The following describes the switch settings:  
SW1 = SQE test: UP is enabled/DOWN is disabled  
Connecting to an RJ-45 device jack  
IMPORTANT: If the transceiver is attached to an Ethernet repeater, a10Base-T hub,  
or a wiring concentrator, the SQE test function should be disabled.  
SW2 = Link test: UP is enabled/DOWN is disabled  
SW3 = Duplex: UP is half/DOWN is full  
To connect the transceiver to a 10Base-T device via RJ-45 jacks, see Figure 8 and do  
the following:  
1. Select an appropriate length UTP cable for the connection.  
2. Connect one end of the UTP cable to the RJ-45 OUT jack of the transceiver.  
3. Route the free end of the UTP cable to the area where the10Base-T device is  
located.  
SQE test  
The transceiver is shipped from the factory with the SQE test switch enabled. SQE  
(Signal Quality Error) is the IEEE term for collisions. Depending on the Ethernet  
device attached to the AUI connector, set the SW “1” to the DOWN position to disable  
the SQE test function or to the "UP" position to enable the test.  
The SQE Test (heartbeat) is a means of detecting a transceiver’s inability to detect  
collisions. Without this test, it would not be possible to determine if the collision  
detector is operating properly. The SQE test starts by generating a test signal on the  
collision pair from the transceiver (or its equivalent) following every transmission on  
the network. It does not generate any signals on the common medium.  
4. Connect the free end of the UTP cable to an RJ-45 IN jack on the 10Base-T device.  
Hub  
RJ-45 Plug  
Additionally, IEEE 802.3 specifications state that IEEE 802.3 compliant repeaters  
must not be attached to transceivers that generate the heartbeat.  
AUI Cable  
Black Box  
UTP Cable  
Transceiver  
Link test  
10Base-T  
Port  
For UTP port connection, the LE180A implements the link integrity test functions as  
specified in the IEEE 802.3 10Based-T standard. The LE180A will transmit link test  
pulses to any UTP port after that port’s transmitter is inactive for a range of 8 to 17 ms.  
These pulses are sent to confirm that a valid connection exists between the LE180A  
and its attached device.  
Figure 8: LE180A Connected to a RJ-45 Device Jack  
7
6
Black Box Network Services, 724-746-550, www.blackbox.com  
Black Box Network Services, 724-746-550, www.blackbox.com  
 
LE180A  
LE180A  
Operations  
Technical Specifications  
For use with Black Box Model LE180A or equivalent.  
LEDs  
Standards  
Data Rate  
IEEE 802.3ab, IEEE 802.3  
10 Mb/s  
Figure 9 shows the LE180A LEDs:  
Receive  
Status  
Dimensions  
Weight  
1.77" x 0.81” x 3.14" (44.96 mm x 20.57mm x 79.76mm)  
0.2 lbs. (90.72 g) approximately  
500mA @ 12VDC  
Power Consumption  
Power Source  
Operating Temp  
Storage Temp:  
Humidity:  
AUI port  
0 to 50°C (32°F to 122°F )  
-25 to 85°C (-13°F to 185°F )  
5 to 95%, non-condensing  
0 to 10,000 feet  
Collision  
Transmit  
Altitude:  
Figure 9: LE180A LEDs  
MTBF:  
125,126 Bellcore hours. Calculated at 40C with a 10C  
temperature rise.  
The LE180A LEDs display the operational status of the transceiver. The following  
table explains LED indications.  
IMPORTANT Copper based media ports: e.g., Twisted Pair (TP) Ethernet, USB,  
RS232, RS422, RS485, DS1, DS3, Video Coax, etc. are intended connecting to intra-  
building (inside plant) link segments, not subject to lightening transients or power  
faults. Copper based media ports: e.g., Twisted Pair (TP) Ethernet, USB, RS232,  
RS422, RS485, DS1, DS3, Video Coax, etc. are NOT for connecting inter-building  
(outside plant) link segments that are subject to lightening transients or power faults.  
Failure to observe this notice could result in damage to equipment.  
LED  
Description  
Collision  
Status  
Blinks when detects a collision  
ON Solid:  
Blinks:  
UTP link established  
No UTP link  
5-Blink pattern: UTP polarity reversal*  
Transmit  
Receive  
Blinks when transmitting data on the RJ-45 cable  
Blinks when receiving data on the RJ-45 cable  
*Note: The LE180A corrects reverse polarity on its receiving port UTP cable  
automatically.  
9
8
Black Box Network Services, 724-746-550, www.blackbox.com  
Black Box Network Services, 724-746-550, www.blackbox.com  
 
LE180A  
LE180A  
Cable Specifications  
The physical characteristics of the media cable must meet or exceed IEEE 802.3  
specifications.  
Contact Us  
Black Box, Headquarters  
1000 Park Drive  
Lawrence, PA 15055-1018  
Copper cables  
By Telephone:  
By Fax:  
877-877-2269  
724-746-0746  
Category 3: (minimum requirement)  
Gauge  
24 to 22 AWG  
11.5 dB/100m @ 5-10 MHz  
100 m  
Attenuation  
By E-mail:  
Maximum cable distance:  
Category 5: (recommended)  
Gauge  
Technical Support  
Technical support is available 24 hours a day.  
U.S.A:  
Fax:  
Website:  
24 to 22 AWG  
22.0 dB/100m @ 100 MHz  
100 m  
Attenuation  
Maximum cable distance:  
724 746-5500  
• Straight-through or crossover twisted-pair cable may be used.  
• Shielded (STP) or unshielded (UTP) twisted-pair cable may be used.  
• Pins 1&2 and 3&6 are the two active pairs in an Ethernet network .  
• RJ-45 Pin-out: Pin 1 = TD+, Pin 2 = TD-, Pin 3 = RD+, Pin 6 = RD-  
• Use only dedicated wire pairs for the active pins:  
(e.g., blue/white & white/blue, orange/white & white/orange, etc.)  
• Do not use flat or silver satin wire.  
800-321-0746  
Declaration of Conformity  
NETWORK SERVICES  
Name of Mfg:  
Black Box Network Services  
Black Box, 1000 Park Drive Lawrence, PA 15055-1018 U.S.A.  
Troubleshooting  
If the transceiver fails, determine the answer to the following questions:  
Model:  
Part Number(s):  
Regulation:  
LE180A Transceiver  
LE180A  
EMC Directive 89/336/EEC  
Purpose: To declare that the LE180A Transceiver to which this declaration refers is  
in conformity with the following standards.  
EN55022:1998 + A1:2000 + A1:2003 EN 55024:1998 + A1:2000 + A2:2003  
1.  
Is the status LED flashing?  
NO  
Verify that the AUI device is turned ON.  
Verify that the AUI cable from the transceiver to the AUI device port is  
installed properly.  
I, the undersigned, hereby declare that the equipment specified above conforms to the above  
Directive(s) and Standard(s).  
Contact Tech Support: 724 746-5500.  
May, 2007_____  
Stephen Anderson, Vice-President of Engineering  
Date  
YES  
Go to step 2.  
2.  
3.  
Is the RX LED flashing (receiving data)?  
NO  
Is the LED ON Solid?  
Check twisted pair cable for proper connection  
Contact Tech Support: 724 746-5500.  
Yes  
Go to step 3.  
Is the TX LED ON?  
NO  
Check twisted pair cable for proper connection.  
Is the LED flashing (transmitting data)?  
Restart the hardware to force re-initialization.  
Contact Tech Support: 724 746-5500.  
Yes  
Contact Tech Support: 1724 746-5500.  
11  
10 Black Box Network Services, 724-746-550, www.blackbox.com  
Black Box Network Services, 724-746-550, www.blackbox.com  
 
LE180A  
Compliance Information  
CE Mark  
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 in a 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.  
Le présent appareil numérique n'émet pas de bruits radioélectriques dépassant les limites applicables  
aux appareils numériques de la Class A prescrites dans le Règlement sur le brouillage  
radioélectrique édicté par le ministère des Communications du Canada.  
European Regulations  
Warning  
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.  
Achtung !  
Dieses ist ein Gerät der Funkstörgrenzwertklasse A. In Wohnbereichen können bei Betrieb dieses  
Gerätes Rundfunkstörungen auftreten. In diesem Fäll ist der Benutzer für Gegenmaßnahmen  
verantwortlich.  
Attention !  
Ceci est un produit de Classe A. Dans un environment domestique, ce produit risque de créer des  
interférences radioélectriques, il appartiendra alors à l'utilsateur de prende les measures spécifiques  
appropriées.  
In accordance with European Union Directive 2002/96/EC of the European Parliament  
and of the Council of 27 January 2003, Black Box will accept post usage returns of this  
product for proper disposal. The contact information for this activity can be found in  
the 'Contact Us' portion of this document.  
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 Gerätes an ein öffentlickes Telekommunikationsnetz in den EG-  
Mitgliedstaaten verstösst gegen die jeweligen einzelstaatlichen Gesetze zur Anwendung der  
Richtlinie 91/263/EWG zur Angleichung der Rechtsvorschriften der Mitgliedstaaten über  
Telekommunikationsendeinrichtungen einschliesslich der gegenseitigen Anerkennung ihrer  
Konformität.  
Trademark notice  
All trademarks and registered trademarks are the property of their respective owners.  
Copyright restrictions  
© 2000, 2004-2006 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 permission from Transition Networks.  
Printed in the U.S.A.  
33384.A  
 

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