1. AS311 Overview

Hardware reset switch

When this switch is pressed, the AS311 will be reset. Use this switch when you have changed the switch settings.

Channel 1 and channel 2 serial ports

Used to connect the serial transmission line (RS-232C or RS-422). D-Sub 25-pin female connectors are provided on the AS311.

The pin assignment is as follows.

Channel 1

 

 

Channel 2

 

(RS-232C/RS-422)

 

(RS-232C)

 

 

 

 

 

 

 

 

1

FG

 

1

FG

 

2

TXD

for RS-232C

 

2

TXD

 

3

RXD

 

3

RXD

 

4

RTS

 

 

4

RTS

 

5

CTS

 

 

5

CTS

 

6

 

 

 

 

6

DSR

 

7

SG

 

 

7

SG

 

8

 

 

 

8

 

 

9

5 Vdc

 

 

9

5 Vdc

 

10

TXDA

for RS-422

 

10

 

 

 

11

RXDA

 

11

 

 

 

12

RTSA

 

 

12

 

 

 

13

CTSA

 

 

13

 

 

 

14

 

 

 

 

14

 

 

 

15

 

 

 

 

15

 

 

 

16

 

 

 

 

16

 

 

 

17

 

 

 

 

17

 

 

 

18

 

 

 

 

18

 

 

 

19

 

for RS232C

 

19

 

 

20

DTR

 

20

DTR

 

21

TXDB

for RS-422

 

21

 

 

 

22

RXDB

 

22

 

 

 

23

RTSB

 

 

23

 

 

 

24

CTSB

 

 

24

 

 

 

25

 

 

 

 

25

 

 

The arrow on the above figure shows the signal direction.

FG is connected with the T3’s frame ground internally. (both channels)

DTR and RTS are ON while power is on.

Data transmitting is available when CTS is ON. DSR has no effect for transmission.

Pin 9 (5 Vdc) can be used to supply 5 Vdc power. (total max. 50 mA)

User’s Manual 13

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Image 15
Toshiba AS311 user manual Hardware reset switch, Channel 1 and channel 2 serial ports

AS311 specifications

The Toshiba AS311 is a well-rounded notebook designed to cater to the needs of students, professionals, and casual users alike. With a focus on affordability and reliability, this laptop strikes a balance between performance and efficiency, making it an appealing choice for those seeking a dependable computing solution.

One of the main features of the Toshiba AS311 is its lightweight design. Weighing approximately 2.5 kg, this laptop is easily portable, allowing users to carry it to classes, meetings, or coffee shops without hassle. The sleek profile is complemented by a durable chassis that can withstand the rigors of daily use.

At the heart of the AS311 is a powerful processor that ensures smooth performance across a variety of applications. Typically equipped with Intel's Pentium or Core series processors, the AS311 provides adequate computing power for tasks such as word processing, web browsing, and light multimedia consumption. Paired with sufficient RAM, users can run multiple applications simultaneously without noticeable lag.

The display of the Toshiba AS311 is another notable feature. With a 15.6-inch HD screen, users can enjoy clear visuals whether they are streaming videos or working on projects. The display's anti-glare technology reduces eye strain, making it suitable for long usage sessions, whether indoors or outdoors.

Connectivity is crucial in today's digital landscape, and the AS311 doesn't disappoint. It offers multiple USB ports, an HDMI output, and an SD card reader, allowing users to connect various peripherals and external devices seamlessly. Additionally, the inclusion of Wi-Fi and Bluetooth capabilities ensures that users can stay connected to the internet and other devices wirelessly.

Battery life is often a concern for laptop users, and the Toshiba AS311 addresses this with a reasonably long-lasting battery. With a lifespan that can extend throughout a typical work or school day, users can go about their activities without constantly searching for power outlets.

From its practical design to its robust performance capabilities, the Toshiba AS311 is a well-crafted notebook that meets the diverse needs of users. Whether for educational pursuits, professional tasks, or entertainment, the AS311 provides a solid computing experience, proving to be a reliable companion for those on the go. With its array of features and user-friendly design, it's a compelling option for individuals looking for an affordable yet capable laptop.