7802E中文资料SEALEVEL数据手册PDF规格书

特性 Features

• Each port individually configurable for RS-422 or RS-485

• 16C954 buffered UARTs with 128-byte FIFOs

• Oscillator and clock prescalar support wide range of baud rates

• Supports 9-bit protocol framing

• Each port supports data rates to 921.6K bps

• RS-485 line termination, pull-up and pull-down resistors for each port

are selectable via dipswitch

• RS-485 ECHO can be enabled/disabled via dipswitch

• Automatic RS-485 enable/disable in hardware

• PCI Express X1 compliant

• Compatible with all low profile PCI Express slots

• Included 36″ cable terminates to eight DB9M connectors (Item#

CA231)