A2
Electrical Interface Connection
1. Using the cable diagram and parts list below, build an appropriate length UPS to 3D printer
cable;
2. Connect the cable from the UPS unit’s I/O Module (25-pin DSub) connector to the UPS (9-pin
DSub) connector on the rear of the 3D printer.
3. Follow the instructions in the UPS Installation and Operation Guide to set the “Low Battery
Warning Level” to 8 minutes.
Parts List – Cable, UPS to 3D Printer
References
1. APCC Smart-UPS Installation and Operation Guide
2. APCC Relay I/O Module User’s Guide
Note: Make certain to install the jackscrews that hold the cable connectors to
their respective mates (do not over-tighten)
Note: The default value of 2 minutes may not provide adequate time to ensure
the 3D printer can shut down safely.
Item Qty Nomenclature / Description Material Specification
1 1 Conn, Hsg, Plug, 9PosS AMP - 205204-1
2 1 Conn, Hsg, Plug, 25Pos AMP - 205208-1
3 6 Pin, Male, 24-20 AWG AMP - 1-66506-0 or 66506-4
4 1 Shell, Size 1, 9-Pin w/Grommets AMP - 748677-1
5 1 Shell, Size 3, 25-Pin w/Grommets AMP - 748677-3
6 2 Jackscrew Pair 4-40, Knurled AMP - 747784-3
7 1 XX (length needed)Cable, 2 Conductor, 22 AWG ALPHA - 1172C or Equivalent
8 1 4.5 inch (115 mm) Sleeving, Heatshrink 1/4 Inch (7 mm) 3M - FP301 or Equivalent
9 1 Conn, Hsg, Plug, 9Pos-Solder Cup AMP - 747904-4
10 1 Conn, Hsg, Plug, 25 Pos-Solder Cup AMP - 747912-4