LE180A

General Description

The LE180A IEEE802.3 compliant Ethernet transceiver uses 10Mbps Ethernet CSMA/CD protocol to provide a connection interface to 10Base-T Ethernet unshielded twisted-pair (UTP) cables. The transceiver connects to the AUI connector of an Ethernet device via standard AUI cable.

Figure 2: shows the front and rear panels of the LE180A transceiver.

 

4 LEDs

Rear

Front

 

3-Position

 

Switch

AUI Connector

RJ-45 Connector

 

Figure 2: LE180A Transceiver Front and Rear Panels

Dimensions

Figure 3 shows the LE180A dimensions.

 

 

 

 

 

0.812"

3.141

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.757"

Figure 3: LE180A Dimensions

LE180A

LE180A Features

Provides a complete interface of the AUI to Ethernet UTP cable.

Supports 10Mbps data transfer rates.

Supports Carrier Sense Multiple Access/Collision Detection (CSMA/CD) contention protocol.

Drives UTP cable segments up to 100 meters (328ft).

Supports selectable link and SQE test functions.

Supports direct connections to host AUI ports.

Detects and corrects reverse polarity on the receiving pair of UTP cables.

Provides four LEDs: Transmit (TX), Receive (RX), Collision, and Status.

Co! nnectors and Cables

L!E180A AUI male connector

AUI D-sub 15-pin male connector accommodates AUI drop cables (50 meters max.). The AUI connector is used to connect the transceiver to the AUI port of an Ethernet device such as an Ethernet MAC controller, a repeater, or a hub via an AUI drop cable. The AUI connector is shown in Figure 4. The AUI male connector pin assignments are show in Table 1.

D-Sub 15-pin Male AUI Connector

18

915

Figure 4: LE180A AUI Male Connector Pin Assignments

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Black Box Network Services, 724-746-550, www.blackbox.com

Black Box Network Services, 724-746-550, www.blackbox.com

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Black Box LE180A General Description, Co! nnectors and Cables, Dimensions, E180A AUI male connector

LE180A, 10Base-T Transceiver Stand-Alone model specifications

The Black Box LE180A is a stand-alone 10Base-T transceiver that embodies a blend of robust technology and essential networking features. Ideal for users seeking a reliable means of communication in a local area network (LAN), this model provides a seamless connection to Ethernet networks, ensuring efficiency and effectiveness in data transfer.

One of the standout features of the LE180A is its compliance with the IEEE 802.3 standard for 10Base-T technology, which allows for data transmission speeds of up to 10 Mbps. This speed is well-suited for small to medium-sized networks where high-speed access is necessary but not critical. The transceiver is versatile and can easily accommodate different networking needs, making it an excellent choice for businesses and individual users alike.

Another significant characteristic of the Black Box LE180A is its user-friendly design, which simplifies installation and operation. The device is equipped with a straightforward LED status indicator that provides users with real-time feedback on network activity, making it easy to monitor connectivity status at a glance.

The LE180A supports twisted pair cabling using standard RJ-45 connectors, providing an effective means of establishing connections with other network devices. Its ability to work over a maximum distance of 100 meters ensures that it can support a variety of network topologies, optimizing the layout of office spaces and enhancing the reach of network devices.

Additionally, the Black Box LE180A transceiver is designed with longevity and durability in mind. Its robust construction not only protects it from environmental damage but also ensures stable performance in various conditions. This reliability is crucial for maintaining consistent network operations, thus minimizing downtime and productivity losses.

The transceiver also features an auto-sensing capability, enabling it to detect the optimal connection speed automatically when interfacing with different network devices. This adaptability ensures that performance is maximized, regardless of varying network conditions.

In conclusion, the Black Box LE180A stands out as a reliable, efficient, and user-friendly 10Base-T transceiver. Its key features, including compliance with networking standards, ease of use, and robust construction, make it a valuable addition to any LAN setup. For anyone in need of a dependable networking solution, the LE180A is a commendable choice that combines functionality with performance.