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Notes about connectors on MVD motherboard

DC power connectors:
connector
number 		N pins purpose
J1 14 DC for (barrel MCM) group 1
J2 14 DC for (barrel MCM) group 2
J3 14 DC for (barrel MCM) group 3
J4 14 DC for (barrel MCM) group 4
J5 14 DC for (barrel MCM) group 5
J7 14 DC for (barrel MCM) group 6
J8 14 DC for (pads) group 7
J6 14 DC power for motherboard

Timing and control connectors:
connector
number 		N pins purpose
J9 20 T&C interface module (barrel MCM) group 1
J10 20 T&C interface module (barrel MCM) group 2
J11 20 T&C interface module (barrel MCM) group 3
J12 20 T&C interface module (barrel MCM) group 4
J13 20 T&C interface module (barrel MCM) group 5
J14 20 T&C interface module (barrel MCM) group 6
J15 20 T&C interface module (for pads)

LVDS outputs to Data collection interface module:
connector
number 		N pins purpose
J16 36 LVDS to DCIM (barrel MCM) group 1
J17 36 LVDS to DCIM (barrel MCM) group 2
J18 36 LVDS to DCIM (barrel MCM) group 3
J19 36 LVDS to DCIM (barrel MCM) group 4
J20 36 LVDS to DCIM (barrel MCM) group 5
J21 36 LVDS to DCIM (barrel MCM) group 6
J22 36 LVDS to DCIM (for pads) group 7

Connector to Power comm/daughter boards:
connector
number 		N pins purpose
J41 160 Power/Comm board (barrel MCM) group 1
J40 160 Power/Comm board (barrel MCM) group 2
J39 160 Power/Comm board (barrel MCM) group 3
J38 160 Power/Comm board (barrel MCM) group 4
J37 160 Power/Comm board (barrel MCM) group 5
J36 160 Power/Comm board (barrel MCM) group 6
J34, J35 160 Daughter board (for pads) group 7

Serial control (arcnet) connectors:
connector
number 		N pins purpose
J28 26 Arcnet Interface module (barrel MCM) group 1
J29 26 Arcnet Interface module (barrel MCM) group 2
J30 26 Arcnet Interface module (barrel MCM) group 3
J31 26 Arcnet Interface module (barrel MCM) group 4
J32 26 Arcnet Interface module (barrel MCM) group 5
J33 26 Arcnet Interface module (barrel MCM) group 6
J27 26 Arcnet Interface module (for pads) group 7

misc connectors:
connector
number 		N pins purpose
J24 48 Silcon bias 1 (MCM groups 1-4)
J25 40 Silicon bias 2 (MCM groups 5-7)
J23 40 monitoring signals (spy channels)
J26 48 Analog sum outputs
for Trigger Interface module

John Sullivan
updated 4-Feb-1999