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The DD11-DK backplane

The DD11-DK backplane

The DD11-DK backplane

This DD11-DK backplane is a generic 9 slot Unibus backplane:

It has the following configuration:

ABCDEF
9UNIBUS SPC
8Modified UNIBUS SPC
7Modified UNIBUS SPC
6Modified UNIBUS SPC
5Modified UNIBUS SPC
4Modified UNIBUS SPC
3Modified UNIBUS SPC
2Modified UNIBUS SPC
1UNIBUS SPC

The power connectors are configured as follows:

P2 Connector: Amp 15 pin MATE-N-LOC

PinAWGColorFunctionSlot Pins
114red+5VAA2, BA2, CA2, DA2, EA2, FA2
218grey+15VCU1
314orange+20V coreAU1, AV1, AV2
414red+5VAA2, BA2
5
6
7
814blackGND
914blackGND
10
11
1214red+5VBBD1
13
1418brown-5V coreBV2
15

P3 Connector: Amp 6 pin MATE-N-LOC

PinAWGColorFunctionSlot Pins
114blackGND
218brownLTCCD1
318violetDCLOBF2, CN1
418yellowACLOBF1
5
6

P4 Connector: Amp 15 pin MATE-N-LOC

PinAWGColorFunctionSlot Pins
114red+5VAA2, BA2, CA2, DA2, EA2, FA2
2
314orange+20V coreAU1, AV1, AV2
414red+5VAA2, BA2, CA2, DA2, EA2, FA2
5
618white+15VBAR1
7
814blackGND
914blackGND
10
11
12
1318blue-15VCB2, CC2, CD2, CE2, CF2
14
1518green-15VBAS1

Connecting +5V to this backplane can be done as follows, on P2:

Make sure this is P2; it should be written on the plug itself, if not take good note of the pin layout.

Connecting -15V (for the Delua controller) must be done on P4, as follows:

The DD11-CK backplane

This backplane is a generic 4 slot backplane:

The slots are numbered 1 to 4, starting the closest to the edge of the table. Connectors A are to the right; F is to the left. It has the following configuration:

ABCDEF
4UNIBUS SPC
3Modified UNIBUS SPC
2Modified UNIBUS SPC
1UNIBUS SPC

This backplane has two connectors for power:

and

Power connector pinout:

PinAWGColorFunctionSlot Pins
114red+5VAA2, BA2, CA2, DA2, EA2, FA2
2 grey
3 orange
414red+5VAA2, BA2
5 white
6
714blackGND
814blackGND
9
10
11
12 red
13?blue-15V
14 brown
15 green
© 2024 by Frits Jalvingh. All information in here can be freely used (MIT License)