61200.078L1-1 DSU 5600 User Manual 5Chapter 1. Introduction1 2 3 4 5 6 7 81 2 3 4 5 6 7 81 2 3 4 5 6 7 81 2 3 4 5 6 7 81 2 3 4 5 6 7 81 2 3 4 5 6 7 8115 VAC60HZ .06ATELCO OPTIONS(LISTED ON BOTTOM)PRIMARY EIA-2321 2 3 4 5 6 7 81 2 3 4 5 6 7 81 2 3 4 5 6 7 8115 VAC60HZ .06ATELCO OPTIONS(LISTED ON BOTTOM)PRIMARY EIA-232Figure 1-2DSU 5600 Rear Panel