Quatech DS-102 user manual External Connections

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V.EXTERNAL CONNECTIONS

RS-232-C devices are classified by their function as either Data Terminal Equipment (DTE) or Data Communication Equipment (DCE). Generally, data terminal equipment is defined as the communication source and data communication equipment is defined as the device that provides a communication channel between two DTE-type devices.

Terminal

DTE

Terminal

DTE

RS-232-C

RS-232-C

Modem

DCE

Telephone

line

Modem

DCE

Figure 10 --- Use of DTEs and DCEs in a communications link

DTE- and DCE-type devices have complementary pinouts to allow terminals and modems to be connected directly using a one-to-one cable as shown in Figure 11. In many applications, DCEs are unnecessary, and in these cases a cable called a "null modem cable" or "modem eliminator cable" is used to directly connect two DTE-type devices. A typical null modem cable is also shown in Figure 11.

(3)

RxD

 

 

 

 

 

TxD

(3)

(3)

RxD

 

 

 

 

 

 

 

 

 

 

 

 

 

RxD

(3)

 

 

 

 

 

 

 

 

 

(2)

TxD

 

 

 

 

 

RxD

(2)

(2)

TxD

 

 

 

 

 

 

 

 

 

 

 

 

 

TxD

(2)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(4)

RTS

 

 

 

 

 

CTS

(4)

(4)

RTS

 

 

 

 

 

 

 

 

 

 

 

 

 

RTS

(4)

 

 

 

 

 

 

 

 

 

 

 

(5)

CTS

 

 

 

 

 

RTS

(5)

(5)

CTS

 

 

 

 

 

 

 

 

 

 

 

 

 

CTS

(5)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(20) DTR

 

 

 

 

 

DSR

(20)

(20) DTR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DTR (20)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(6)

DSR

 

 

 

 

 

DTR

(6)

(6)

DSR

 

 

 

 

 

 

 

 

 

 

 

 

 

DSR (6)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(8)

DCD

 

 

 

 

 

DCD

(8)

(8)

DCD

 

 

 

 

 

 

 

 

 

 

 

 

DCD (8)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(22)

RI

 

 

 

 

 

RI

(22)

(22)

RI

 

 

 

 

 

 

 

 

 

 

 

 

RI

(22)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(7)

GND

 

 

 

 

 

GND (7)

(7)

GND

 

 

 

 

 

 

 

 

 

 

 

 

GND (7)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Typical DTE-to-DCE cable

 

Typical DTE-to-DTE null modem cable

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 11 --- Cabling requirements for RS-232-C devices (cables using 25-pin connectors shown)

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Quatech DS-102 User's Manual

Image 16
Contents DS-102 Page IV. Setting Interrupt Levels Irqs VII. Specifications VIII. TroubleshootingTable of Contents External Connections VI. Serial Port Functional DescriptionPage Date of Purchase Model Number Page General Information Port Address IRQ Enabled ? Diagram of DS-102 Setting the address Examination of a serial port base addressSerial 1 uses SW1 Serial 2 uses SW2 Enabling or disabling ports Recommended addresses for serial portsThis page intentionally left blank Serial Interrupt Sharing Channel Connection Interrupt OperationExternal Connections J7 -- Serial J8 -- Serial DS-102 connector definitions for RS-232-C This page intentionally left blank VI. Serial Port Functional Description Accessing the Serial Port registers DlabInterrupt Enable Register Interrupt Identification RegisterInterrupt Identification Register bit definitions Fifo Control Register 16550 only RXT0Line Control Register Stkp EPS PEN ParityModem Control Register Are being usedLine Status Register Line Status Register bit definitionsModem Status Register Scratchpad RegisterFifo Interrupt Mode Operation 16550 Uart only When the receiver Fifo and receiver interrupts are enabledFifo polled mode operation 16550 Uart only Factory default Baud Rate Selection026 VII. Specifications 16450 16550 optionalComputer will not boot up

DS-102 specifications

Quatech DS-102 is a prominent device in the realm of serial device servers, designed to facilitate seamless communication between Ethernet networks and serial devices. This robust solution caters to various industries, including manufacturing, telecommunications, and data center operations, where reliable and efficient data transmission is critical.

A key feature of the Quatech DS-102 is its dual-port architecture, which allows users to connect two serial devices simultaneously. This capability is particularly advantageous in scenarios where multiple connections are necessary, enabling cost savings and simplified management. Supporting a wide range of serial protocols, including RS-232, RS-422, and RS-485, the DS-102 ensures compatibility with a diverse array of equipment.

The DS-102 employs advanced technology to ensure reliable performance. It utilizes a potent ARM-based processor that enhances data handling and decreases latency. Additionally, the device features embedded firmware that supports TCP/IP protocol stacks. This integration is pivotal for enabling remote access and management of serial devices, significantly improving operational efficiency.

One of the standout characteristics of the Quatech DS-102 is its ease of installation and configuration. The device is designed to be user-friendly, enabling quick deployment in various environments. The inclusion of a web-based configuration interface simplifies network settings and device management, providing users with intuitive access to essential functions.

Robust security protocols are also at the forefront of the DS-102's design. It supports TLS/SSL encryption to secure data transmission, ensuring that sensitive information remains protected during communication. The device is built with reliability in mind, featuring durable hardware that withstands industrial conditions, further enhancing its appeal for demanding applications.

In terms of flexibility, the Quatech DS-102 can be integrated with various operating systems, including Windows, Linux, and Mac OS, making it versatile for a range of technical environments. Its compatibility with popular software applications further streamlines operations, allowing for easy incorporation into existing systems.

Overall, the Quatech DS-102 stands out as a powerful solution for serial-to-Ethernet communication. With its dual-port capability, advanced technology, user-friendly configuration, and robust security features, it represents an ideal choice for businesses seeking to enhance their data management capabilities. As organizations continue to embrace IoT and automation, the DS-102 is well-positioned to play a vital role in connecting the legacy serial devices with modern Ethernet networks seamlessly.