A modification you may be interested in for the RIB. There have been reports of problems using the RIB on different computers. It looks like one of the problems might be a lack of negative voltage swing on the Busy out and RX (data out) lines back to the computer. You might want to try and change the value of R14 to 1.5k and R11 to 1K.
Useful Link : http://www.batlabs.com/2wayrib.html
** click image to enlarge **
The PCB size is 75 mm x 103 mm. Single sided , which is suitable for homebrew.
On board 9 volt battery compartment and DC Power Jack are provided.
The RIB card is used to connect up most later model Motorola Radios to the PC for programming.
The Connection from the PC's COM port uses a DB9 / DB25 Connector to DB15 on RIB card.
The output from the card can
go to any standard motorola DB25 Cable that support this
If you want to built the RIB with this PCB , take your own risk .
Updated : March 03, 2004