regulator 222 available from linear technology which regulates the power source the regulated power output is used locally by the components on the rib 104 and 300 ma are sourced to the microcontroller network 102 through a 300 ma fuse 224 and the rj 45 connector 226 thus the output of the regulator 222 provides an alternative source for a bias powered partition of the microcontroller network 102 the bias powered partition includes the system recorder 110 fig1 the nvram 112 and the chassis controller 170 fig2 which are resident on the server backplane 152 the microcontroller network remote interface serial protocol communicates microcontroller network messages across a point to point serial link this link is between the rib controller 200 that is in communication with the recovery manager 130 at the remote client 122 124 this protocol encapsulates microcontroller network messages in a transmission packet to provide error free communication and link security in one embodiment the remote interface serial protocol uses the concept of byte stuffing this means that certain byte values in the data stream have a particular meaning if that byte value is transmitted by the underlying application as data it must be transmitted as a two byte sequence the next byte in the data stream must be substituted before as stated above if any of these byte values occur as data in a message a two byte sequence must be substituted for that byte.