Allied Telesis x600-48Ts/XP - Manual (Page 93)

x600 Layer 3 Gigabit Ethernet Switch Installation Guide
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16 Ground
17 Ground
18 +12.0 VDC sense
19 Ground
20 No connect
A-1 +12.0 VDC
Table 16. RPS 21-pin Connector Pin Definitions (Continued)
Pin Definition