HP 2500C Series - Manual (Page 17)

Product Information 1-9
30 Signal Ground (nAutoFd, nSelectIn, nInit)
31 H nInit nInit nInit nReverseRequest nInit
32 P nFault nDataAvail nDataAvail nPeriphRequest User Defined 2
33 Not Defined
34 Not Defined
35 Not Defined
36 H nSelectIn 1284 Active 1284 Active 1284 Active nAStrb
∗ Data signals will be driven by some but not all peripheral devices.
∗ Pins not defined by this spec are used by manufacturers at their own risk.