Appendix C— Communications Reference

Printer Serial Port

The rear panel of the printer contains the serial port connector. It is a 25-pin D-style subminiature receptacle. The port is wired as a data terminal equipment (DTE) device.

DTR

25 24 23 22 21 20 19 18 17 16 15 14

13 12 11 10 9 8 7 6 5 4 3 2 1

PS

SG

CTS

RTS

RD

TD

GND

3XXXU.063

Serial port pin assignments: This illustration shows the serial port pin assignments.

Shield

25-Pin (Socket) D-Sub

 

 

 

 

Metal Backshell

 

 

 

 

 

 

 

 

Chassis Ground

 

 

 

 

1

 

 

 

 

Transmitted Data

2

 

 

Received Data

3

 

 

Request to Send

4

 

 

 

 

Clear to Send

5

 

 

 

 

Data Set Ready

6

 

 

Ground

7

 

 

Data Terminal Ready

20

 

 

Carrier Detect

8

 

 

 

 

 

 

 

PC

3XXXU010.eps

25-Pin (Plug) D-Sub Metal Backshell

1Chassis Ground

3Received Data

2Transmitted Data

8 Carrier Detect

20Data Terminal Ready

7 Ground

6 Data Set Ready

4

5 Clear to Send

Printer

RS-232 null modem cable for PC/XT: This illustration shows the pin assignments for the RS-232 null modem cable for the PC/XT (P/N 048668).

Note: The metal backshell is connected directly to the shield to achieve electrostatic discharge (ESD) immunity.

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EasyCoder 3400e Bar Code Label Printer User’s Manual

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Genicom 3400e user manual Printer Serial Port

3400e specifications

The Genicom 3400e is a robust and versatile printer designed primarily for high-volume environments, where efficiency and reliability are paramount. As part of the Genicom family of printers, the 3400e offers a range of features and technologies that cater to the needs of various industries, including corporate offices, logistics, and educational institutions.

One of the standout features of the Genicom 3400e is its impressive printing speed. Capable of producing up to 1,200 pages per hour, this printer significantly reduces wait times and enhances productivity. This speed is complemented by its advanced printing technology, which ensures high-quality output with sharp text and crisp graphics, making it suitable for printing documents ranging from simple reports to detailed presentations.

The Genicom 3400e employs dot matrix printing technology, recognized for its durability and low operational costs. Unlike laser printers that use toner, dot matrix printers utilize ink ribbons. This not only reduces the cost per page but also offers long-lasting performance for continuous printing tasks. The 3400e’s design incorporates a robust print head that can withstand rigorous use, making it an ideal choice for heavy-duty applications.

In terms of connectivity, the Genicom 3400e supports various interfaces, including parallel, serial, and USB, ensuring compatibility with numerous devices and systems. This flexibility allows businesses to integrate the printer into their existing setups without hassle. Moreover, it supports multiple paper sizes and types, enabling users to print invoices, labels, and reports seamlessly.

Another notable characteristic of the Genicom 3400e is its user-friendly interface. The printer is designed with ease of operation in mind, featuring intuitive controls and an LCD display that provides real-time information about the printer status, helping operators manage tasks efficiently.

Additionally, the printer boasts reliable performance with reduced downtime, thanks to its capability for continuous operation. Its sturdy construction and easy-to-replace components make maintenance straightforward, ensuring that businesses can rely on the Genicom 3400e for their printing needs without interruptions.

In summary, the Genicom 3400e is a powerful dot matrix printer that excels in high-volume printing scenarios, combining speed, reliability, and affordability. Its advanced features and user-centric design make it an excellent choice for organizations seeking efficient printing solutions that stand the test of time.