2Key lock indicator: This indicator lights when the system lock key is in the locked position. When the system lock key is in the locked position, the eject button of the docking station is locked; you cannot attach or remove your computer.

3

Docking status indicator: This indicator lights when your computer is docked.

4

Eject button: Press the eject button to release the computer from the docking station.

5Sliding adjuster: Use the sliding adjuster as a guide to align the docking station connector on your computer as you attach the docking station.

6

Docking station connector: This is where you attach your computer.

7System lock key: Use the system lock key to lock the eject button. When the eject button is locked, you cannot attach or remove your computer.

8

Microphone jack: 1/8 inch (3.5 mm) in diameter. Use it to connect an external microphone.

9

Headphone jack: 1/8 inch (3.5 mm) in diameter. Use it to connect an external headphone.

Rear view

ThinkPad Port Replicator Series 3 and ThinkPad Port Replicator Series 3 with USB 3.0

1

Power jack: Connect the ac power adapter.

2Ethernet connector: Connect the port replicator to an Ethernet LAN. The indicator on the connector is the same as that on the computer.

3

USB 2.0 connectors: Connect USB 2.0 compatible devices.

4USB 2.0 connector (on the ThinkPad Port Replicator Series 3) or USB 3.0 connector (on the ThinkPad Port Replicator Series 3 with USB 3.0): Connect compatible USB devices.

5

External monitor connector: Connect an external monitor.

6Security keyhole: Use a security cable lock that fits this keyhole to lock your port replicator to a stationary object to protect it from theft.

Chapter 7. Enhancing your computer 103

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Lenovo 2355AK4, T430SI manual Rear view

T430S, T430SI, 2355AK4 specifications

Lenovo has long been a key player in the laptop market, providing robust machines that cater to business and professional needs. Among its impressive lineup are the Lenovo 2355AK4, T430SI, and T430S models, renowned for their performance, portability, and innovative features.

The Lenovo 2355AK4 is a laptop that emphasizes reliable performance. It is equipped with an Intel Core i5 processor, which delivers efficient multitasking and smooth operation for various applications. The 15.6-inch display offers a resolution sufficient for everyday tasks, making it ideal for professionals on the go. Its portability is enhanced by a lightweight design, allowing users to carry it without significant strain. The battery life is another strong point, providing extended usage to keep up with a busy schedule.

Next in line is the Lenovo T430SI, a model that stands out with its exceptional build quality and durability. This laptop is designed for intense use, making it suitable for professionals who need a device that can withstand the rigors of daily demands. The T430SI features a 14-inch display, combining portability with usability. One of its key characteristics is the inclusion of Intel's vPro technology, which enhances security and simplifies IT management. Additionally, the T430SI comes with a variety of connectivity options, including USB 3.0 ports and Thunderbolt, catering to various peripheral needs.

Finally, the Lenovo T430S is a more lightweight variant of the T430 series, prioritizing both performance and portability. It boasts an innovative design, featuring a 14-inch HD display that offers vibrant visuals and exceptional viewing angles. The T430S utilizes the latest Intel processors, ensuring powerful performance that is further supported by robust SSD options for faster data access. With a sleek profile and a weight of just over 3 pounds, this model is perfect for professionals who travel frequently.

In summary, the Lenovo 2355AK4, T430SI, and T430S boast features that cater to different professional needs. From the reliable performance of the 2355AK4 to the durability of the T430SI and the portability of the T430S, each model showcases Lenovo's commitment to providing innovative solutions for users requiring efficiency and versatility in their devices. Whether for business meetings, remote work, or on-the-go tasks, these laptops stand out as reliable companions for the modern professional.