DGS-3130 Series Layer 3 Stackable Managed Switch Hardware Installation Guide 
66 
Redundant Power Supply (RPS) Cable 
When connecting the Switch to a Redundant Power Supply, an RPS cable is necessary. Please review this product 
for matching cable pins. The following diagram and table show the standard RPS connector and its pin assignments. 
 
Figure B-3 RPS Cable for DPS-500A (14-pin Power Cable) 
 
RPS Cable – 14 PIN Assignments: 
Pin  Device  DPS-500A 
1  Not Connected  GND 
2  GND  N/C 
3  GND  +12V 
4  GND  +12V 
5  GND  +12V 
6  +12V  +12V 
7  +12V  GND 
8  +12V  N/C 
9  Not Connected  N/C 
10  Not Connected  RPS Power 
11  RPS_Present  N/C 
12  RPS_Power Good  N/C 
13  Not Connected  PWR-Good 
14  +12V  GND 
 
RPS Cable – 22 PIN Assignments: