Eight-Input Expansion Module Installation Sheet, TS0021 & TS1021 June 28, 2023 05:36 Updated Eight-Input Expansion Module Installation Sheet, TS0021 & TS 1021 See Attached: MAINST-TS1021 R03 Eight-Input Expansion Module Installation Sheet.pdf 200 KB Download Related articles Input and relay numbering for Challenger 10 Panels and DGP's Tecom Manuals Input and Relay numbering chart for V8 Challenger Panel's and DGP’s Dual Wiegand Interface manual 8 Way Relay Board (TS1041)