 
                
			
			
				| Services Available | |
|---|---|
| Repair | No | 
| Calibration | No | 
| Free Support | No | 
The SDM-CD16 (pn 4630) was either replaced by the SDM-CD16AC (ac- or dc-powered devices) or the SDM-CD16D (dc-powered devices). The SDM-CD16 provided 16 individually controlled switches for activating external relays, solenoids, or resistive loads. An LED indicated when a relay was closed. Manual overrides were provided for each port.
 
				 
							 
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