Four different PDP-11/05 backplanes exist.

• PDP-11/05-JA  (16K)
• PDP-11/05-LA  (8K)
• PDP-11/05-N  (10.5" Mounting Box)
• PDP-11/05/10-S  (10.5" Mounting Box)

Remark 1.

Use section A-B in slot 9 for expansion to the next system unit.

Remark 2.

If sections C-D-E-F in slot 3, 4, or 5 does not contain an SPC (Small Peripheral Controller),
insert a Grant Continuity Card G727 in that slot, section D.

Remark 3.

Instead of the M9970 Cable Connector (section A-B, slot 4) can also be used the M997 Cable Connector.