Competent Technical Support By Knowledgeable Engineers

RSS Feed

Wires No More!
$159.99 a pair

Wireless Serial Adapter
(Bluetooth to RS232)

Card Configuration

JP7 is used to set the addresses of the ports. The settings are shown in the table below.

JP7	Port 1	Port 2
	3F8	2F8
	3E8	2E8
	1A0	1A8

JP5 is used to set the IRQ used by each port. The table below illustrate the jumper settings available.

JP5

JP1 is used to select the transmit signal driver enable mode of the card on Port 1. It is described below.

JP1	Description
	Transmit signal driver always enabled. This is used in RS422 applications.
	Transmit signal driver is enabled by enabling the RTS signal. Generally used in RS485 applications
	Transmit signal driver is enabled by setting bit 0 in the control register. The control register address is the base address of the port+7.

JP2 is used to select the transmit signal driver enable mode of the card on Port 2.  It is described below.

JP2	Description
	Transmit signal driver always enabled. This is used in RS422 applications.
	Transmit signal driver is enabled by enabling the RTS signal. Generally used in RS485 applications.
	Transmit signal driver is enabled by setting bit 0 in the control register. The control register address is the base address of the port+7.

JP3 is used to select the receiver enable mode on Port 1. It is described below.

JP3	Description
	Receiver always enabled. This should be set for RS422 applications.
	Receiver enabled by bit 1 in the control register.The control register address is the base address of the port+7.

JP4 is used to select the receiver enable mode on Port2. It is described below.

JP4	Description
	Receiver always enabled. This should be set for RS422 applications.
	Receiver enabled by bit 1 in the control register.The control register address is the base address of the port+7.

JP6 is used to set the number of wait stated to set for port access(1 through 6). 

JP6