7204ec Board with Included DB25 Female to (2) DB9 Male Cable (Item# CA203)

Low Profile PCI Express 2-Port RS-422, RS-485 Serial Interface

Part: 7204ec Model: Ultra-COMM+2.422.PCIe

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Description

The 7204ec low-profile PCI Express serial interface provides two serial ports configurable for RS-422 or RS-485. Each serial port features an ultra high-speed UART, flexible clock prescaler, and large 256-byte Tx/Rx FIFOs allowing the adapter to support the widest range of standard and non-standard baud rates exceeding 1 Mbps. These features make the 7204ec ideal for data-intensive applications that require reliable, ultra-fast throughput rates.

In RS-485 mode, the transmitter is automatically enabled in hardware, eliminating the need for application software control. This allows the 7204ec to be used with standard serial communications applications and removes the risk of bus contention and data corruption.

The Sealevel SeaCOM software driver and utilities make installation and operation easy using Microsoft Windows operating systems.

The 7204ec is a PCI Express X1 board compatible with any low profile PCI Express slot. A standard profile bracket is also included. The board includes a 36-inch cable that terminates to two DB9M connectors.

Category: Two Port

Additional information

Operating Temperature	0°C to 70°C (32°F to 158°F)
UART Series	950 UART
Storage Temperature	-50°C to 105°C (-58°F to 221°F)
Serial Connector(s)	DB9M
RoHS Compliant	Yes
# of Ports	2
PC Bracket	Low Profile, Standard Height
Board Connector	DB25M
Max Data Rate	Exceeds 1 Mbps
Cable Connector(s)	DB9M (2)
Max Data Distance	4000 feet
Host Interface(s)	PCI Express
Humidity Range	10 – 90% Relative Humidity, Non-Condensing
Electrical Interface	RS-422, RS-485
Dimensions	5.75 (L) x 2.54 (W)
Communications Chip	Ultra high-speed UART
Oscillator	125 MHz BRG

Compliant with RoHS and WEEE directives
Each port individually configurable for RS-422 or RS-485
Electrical interface selection via on-board DIP switch with Windows device driver override
Windows driver features software-selectable 250K slew rate limiting to minimize electromagnetic interference
Ultra high-speed UART with 256-byte Tx and Rx FIFOs
Each port supports data rates exceeding 1 Mbps
Bus-derived 125 MHz BRG and clock prescaler support wide range of baud rates
PCI Express X1 compliant
Compatible with any low profile PCI Express slot. A standard profile bracket is also included.
Included 36″ cable terminates to two DB-9M connectors (Item# CA203)