The RS530/DB25 A/B switch latching card allows you to switch between two RS530 peripherals while also providing LED's to monitor TXD, RXD, RTS and DCD on the ports, if power is lost the connection will stay in its current location.
Occupies three slots.
LED's monitor TxD, RxD, RTS, DCD on A and B ports
8-position DIP switch, used to set the card's address
Latching switch card will maintain current position if power is lost
