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Message ID: 14327     Entry time: Sun Dec 2 16:08:44 2018
Author: Jon 
Type: Omnistructure 
Category: Upgrade 
Subject: Feedthroughs for Vacuum Acromag Chassis 

Below is an inventory of the signal feedthroughs that need to be installed on the vacuum Acromag crate this week.

Type Qty Connects to # Chs Signals
DB-37 female 1 Main AC relay box 18 Valve/roughing pump control
DB-9 female 5** Satellite AC relay boxes 3-4/box Valve control
DB-25 male 1 Turbo pump 1 controller 5 Pump status readbacks
DB-9 male 30 Valve position indicators 2/valve Valve position readbacks
DB-9 male 3 Roughing pump controllers 1/pump Pump status readbacks
DB-9 male 1 Cryo pump controller 2 Pump status readbacks

**The original documentation lists five satellite boxes (one for each test mass chamber and one for the beamsplitter chamber), but Chub reports not all of them are in use. We may remove the ones not used.

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