Part#: 3540

C4-104.ULTRA

Part#: 3540 Category:

PC/104 RS-232, RS-422, RS-485 (Software Selectable) Serial Interface

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Description

The 3540 is the first PC/104 serial interface module to provide four software-selectable RS-232, RS-422, or RS-485 ports. RS-232, RS-422, or RS-485 mode may be selected independently via software command for each of the four ports, eliminating the need for setting jumpers or DIP switches. The board is designed using the XR16C864 UART, which provides a 128-byte FIFO, 8 times larger than boards designed with 16C550 compatible parts. The larger buffers allow error free operation even in high-speed applications. In RS-485 mode the C4-104.ULTRA offers automatic control of the RS-485 driver enable for trouble free network master arbitration. Additionally, the C4-104.ULTRA allows RS-485 network termination, critical to robust multi-drop communication, to be selectively added to the circuit via a simple software command.

Note: This item has a minimum order quantity (MOQ) of 25 units. Please contact your sales representative with any questions.

Additional information

Weight 1.5000 lbs
Dimensions 3.78 x 3.55 x 1.00 in
Board Connector

Communications Chip

Electrical Interface

, ,

Extended Temperature

Humidity Range

Host Interface(s)

Max Data Distance

Max Data Rate

Operating Temperature

# of Ports

Software Configurable

Storage Temperature

UART Series

• Each port software selectable for RS-232, RS-422, or RS-485
• 16C864 buffered UART with 128-byte FIFOs
• Data rates to 921.6K bps
• Automatic RS-485 enable/disable
• Termination, pull-ups, and pull-down resistors for each port are software selectable
• Right-angle connector available for OEM opportunities, 40-pin vertical header connector standard

Windows Software

Software: SeaCOM - Windows

Linux Software

Software: SeaCOM - Linux

Manual

Manual: 3540

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