IE-1GD Instructions Updated on February 13th, 2026 Instructions for IE Series systems using the IE-1GD and IEH-1CD answering stations.Download IE-1GD Instructions Wiring Diagram: 1 IE-JA, 1 IE-1GD, 2 IEH-1CD Wiring Diagram: 1 IF-DA, 1 IE-1GD, 2 IEH-1CD