Specifications

Chapter 2: Configuration and Installation
9
If the stake pins are on the rear of the backplane, the most common location is in the
middle of the J1 connector as shown in Figure 2-4. The connector may have wire-wrap
tails on all pins, or just on the bus-grant and IAC pins.
Stake pins (front or rear) can also be located adjacent to the slot being jumpered as shown
in Figure 2-5. Typically, the stake pins are located between the slot being jumpered and the
next lower-numbered slot (For example, jumpers for Slot 6 would be located adjacent to
Slot 6 between Slots 5 and 6).
Consult your VME chassis reference manual or contact the chassis manufacturer if you are
unsure where to jumper your particular system.
EPC-8A Insertion
The EPC-8A must be installed onto a subplane that fits between the EPC-8A and the
VMEbus backplane. Subplanes are discussed in more detail in Appendix E.
Figure 2-4. VMEbus Jumpers on Rear Wirewrap Pins
BG0
BG0
BG0
BG0
IACK
J1 Connector
Figure 2-5. VMEbus Jumpers on Front Stake Pins
BG0
BG0
BG0
BG0
IACK
J1 Connectors